Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/01/2024, 09:21
Static task
static1
Behavioral task
behavioral1
Sample
840b567a9e2a4b9d9cc93ebb3d2e551e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
840b567a9e2a4b9d9cc93ebb3d2e551e.exe
Resource
win10v2004-20231215-en
General
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Target
840b567a9e2a4b9d9cc93ebb3d2e551e.exe
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Size
728KB
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MD5
840b567a9e2a4b9d9cc93ebb3d2e551e
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SHA1
2beb298cbf5c2e85ef0afce25610ecb9a3e07513
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SHA256
f9c99819e882b21b76cf3397677ec58d55243ef1852c3105a3e324c4cf60dafd
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SHA512
9314e039acaf7003316411980c6bb1916e57e0a908fa8008590caf32d4e5f4328a540e49a77370e7b78d1c39a98d5190a748ed47866b354aee0f5e937051fbc5
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SSDEEP
12288:AsUhjs1UvptQgVFyxzrt7uZVbqL6vFzDOFXiWxBkEryJF4W+vHVwamVDc4/9vopU:DkWmqgVF45ayinOFXpk/MReampc4/9v9
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2692-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2692-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2692-21-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2692-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2692-15-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
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 4 checkip.dyndns.org 8 freegeoip.app 9 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2400 set thread context of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 -
Program crash 1 IoCs
pid pid_target Process procid_target 552 2692 WerFault.exe 28 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2400 wrote to memory of 2692 2400 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 28 PID 2692 wrote to memory of 552 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 31 PID 2692 wrote to memory of 552 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 31 PID 2692 wrote to memory of 552 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 31 PID 2692 wrote to memory of 552 2692 840b567a9e2a4b9d9cc93ebb3d2e551e.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e.exe"C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e.exe"C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 15723⤵
- Program crash
PID:552
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