Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 16:44
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe
Resource
win10v2004-20241007-en
General
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Target
Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe
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Size
807KB
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MD5
22b0c4defec129bb6a33fc44f1499910
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SHA1
4f5d255970be2c547916a72d2db99ed5b02a89b7
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SHA256
d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3
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SHA512
63ba4513e693638e2365d357e6757a7268134c2c0385644a6118cf79fb046e44517eee1f22853fc7d4c5875bac00d56c0ac6c8a01dca76c0cded2b7dc991da53
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SSDEEP
24576:5MaSSKy2/SPNc0PrH5yj15ALOF+gGQ5p/i:5RQ5s/gt
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.yulifertilizer.com.my - Port:
25 - Username:
[email protected] - Password:
Ayfc931319* - 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 1 IoCs
resource yara_rule behavioral2/memory/2948-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 9 checkip.dyndns.org 14 reallyfreegeoip.org 15 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 380 set thread context of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2948 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2948 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 380 wrote to memory of 2948 380 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 83 PID 2948 wrote to memory of 1400 2948 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 84 PID 2948 wrote to memory of 1400 2948 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 84 PID 2948 wrote to memory of 1400 2948 Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe 84 PID 1400 wrote to memory of 3356 1400 cmd.exe 86 PID 1400 wrote to memory of 3356 1400 cmd.exe 86 PID 1400 wrote to memory of 3356 1400 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Users\Admin\AppData\Local\Temp\Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Sigmanly_d0d28661ec38fa97bd723628c065471e1c58b6d3918fd988b43cdf0aee2815a3.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
PID:3356
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