Openhunting Threat Library

DoubleT

DoubleT
(Type: Backdoor)

(Kaspersky) This quarter, we described another CactusPete attack campaign which started in December 2019 In this campaign, the CactusPete threat actor used a new method to drop an updated version of the DoubleT backdoor onto the computers. The attackers implanted a new dropper module in the Microsoft Word Startup directory, most likely through a malicious document. This malicious dropper is responsible for dropping and executing a new version of the DoubleT backdoor, which utilizes a new method of encrypting the C2 server address.

[News Analysis] Trends:

Total Trend: 0

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[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


[Infrastructure Analysis] Based on Related IOC:

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[Target Analysis] Region/Sector:

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References:

News Basic Information Indicator of Compromise Mitre Attack

Basic Information (Credit @etda.or.th)

Tool: DoubleT

Names: DoubleT

Description: (Kaspersky) This quarter, we described another CactusPete attack campaign which started in December 2019 In this campaign, the CactusPete threat actor used a new method to drop an updated version of the DoubleT backdoor onto the computers. The attackers implanted a new dropper module in the Microsoft Word Startup directory, most likely through a malicious document. This malicious dropper is responsible for dropping and executing a new version of the DoubleT backdoor, which utilizes a new method of encrypting the C2 server address.

Category: Malware

Type: Backdoor

Information: https://securelist.com/apt-trends-report-q2-2020/97937/

Last-card-change: 2020-07-30

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

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