Open Hunting - Threat Library

Openhunting Threat Library

TinyCryptor

(Type: Ransomware, Big Game Hunting)

(Group-IB) In just a few hours on weekend, they spread their ransomware TinyCryptor across hundreds of computers on the corporate network.

[News Analysis] Trends:

Total Trend: 0

Trend Per Year

Trend Per Month

[News Analysis] News Mention Another Threat Name:

[TTP Analysis] Technique Performance:

reconnaissance

0/43

resource development

0/45

initial access

0/19

execution

0/36

persistence

0/113

privilege escalation

0/96

defense evasion

0/184

credential access

0/63

discovery

0/44

lateral movement

0/22

collection

0/37

command and control

2/39

exfiltration

0/18

impact

0/26

[TTP Analysis] Mitre Attack Matrix:

TA0043	TA0042	TA0001	TA0002	TA0003	TA0004	TA0005	TA0006	TA0007	TA0008	TA0009	TA0011	TA0010	TA0040
Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
											T1573.002 Encrypted Channel : Asymmetric Cryptography T1090.003 Proxy : Multi-hop Proxy

[Infrastructure Analysis] Based on Related IOC:

IP:Port	Timestamp

Domain	Timestamp

URL	Timestamp

[Target Analysis] Region/Sector:

No information

References:

News Basic Information Indicator of Compromise Mitre Attack

Basic Information (Credit @etda.or.th)

Tool: TinyCryptor

Names: TinyCryptor

Description: (Group-IB) In just a few hours on weekend, they spread their ransomware TinyCryptor across hundreds of computers on the corporate network.

Category: Malware

Type: Ransomware, Big Game Hunting

Information: https://www.group-ib.com/blog/oldgremlin

Alienvault-otx: https://otx.alienvault.com/browse/pulses?q=tag:tinycryptor

Last-card-change: 2020-10-19

Source: https://apt.etda.or.th/cgi-bin/listtools.cgi

TTP Info (Credit @Mitre)

TA0043	TA0042	TA0001	TA0002	TA0003	TA0004	TA0005	TA0006	TA0007	TA0008	TA0009	TA0011	TA0010	TA0040
Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
											T1573.002 ENCRYPTED CHANNEL : ASYMMETRIC CRYPTOGRAPHY tor encapsulates traffic in multiple layers of encryption, using tls by default. T1090.003 PROXY : MULTI-HOP PROXY traffic traversing the tor network will be forwarded to multiple nodes before exiting the tor network and continuing on to its intended destination.