Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
29-11-2023 16:46
Static task
static1
Behavioral task
behavioral1
Sample
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe
Resource
win10v2004-20231127-en
General
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Target
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe
-
Size
522KB
-
MD5
4b6e125ddba8c07cc0ebe826ff6d1a26
-
SHA1
05e2921e7acc85b0c4db492250ab158bc3ccd1da
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SHA256
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0ace
-
SHA512
6279ed60092a0625d9ab483f771fbe1ff5c9631a22ae5870062ee159474a2d5b317cd9eb8b6ec0b4a911ce0516caaa1965f981dc1f9536602e2e36bfb58181f2
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SSDEEP
12288:6HM4lrrAUCfyg7h6GxDmf16BuTtzpHaOfJU8MN7YRy:6HM4lXAUCKg7h6GxDVBuxF6eJUPaR
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.alualuminium.com.my - Port:
587 - Username:
[email protected] - Password:
U8G4S13#8Zk$ - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/2664-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2664-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2664-17-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2664-19-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2664-21-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2664-24-0x0000000000BC0000-0x0000000000C00000-memory.dmp family_snakekeylogger behavioral1/memory/2664-26-0x0000000000BC0000-0x0000000000C00000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exedescription pid process target process PID 2180 set thread context of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 2664 MSBuild.exe 2664 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 2664 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exedescription pid process target process PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe PID 2180 wrote to memory of 2664 2180 3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe"C:\Users\Admin\AppData\Local\Temp\3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0aceexe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2664