Analysis
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max time kernel
130s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
26-09-2021 15:10
Static task
static1
Behavioral task
behavioral1
Sample
baa34a47a3e304011252780a85ae56be.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
baa34a47a3e304011252780a85ae56be.exe
Resource
win10v20210408
General
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Target
baa34a47a3e304011252780a85ae56be.exe
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Size
257KB
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MD5
baa34a47a3e304011252780a85ae56be
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SHA1
77aaae6ca43345f9dd9871c637176634b4ec5f09
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SHA256
e3b25e21c6d04b5f2d72025c7956dbc3a4a5613f3b8d7ab8d0010bc3d437bc1b
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SHA512
6c0e07dbf351b5c04d50e08c9f684559f14982096762f1bbc64d4ffe86f6adf0bcf080f08b1032ced59dd3abe47d8701a9d99efc92d6b6c854d879fec6f246d9
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot1816395306:AAE3ZBLYV2L9aT9mL8itL9vr3RP6nOz_B1o/sendMessage?chat_id=1368673464
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Loads dropped DLL 1 IoCs
Processes:
baa34a47a3e304011252780a85ae56be.exepid process 4648 baa34a47a3e304011252780a85ae56be.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.
Processes:
flow ioc 2 checkip.dyndns.org 4 freegeoip.app 5 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
baa34a47a3e304011252780a85ae56be.exedescription pid process target process PID 4648 set thread context of 4684 4648 baa34a47a3e304011252780a85ae56be.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
MSBuild.exepid process 4684 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 4684 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
baa34a47a3e304011252780a85ae56be.exepid process 4648 baa34a47a3e304011252780a85ae56be.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 4684 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 4684 MSBuild.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
baa34a47a3e304011252780a85ae56be.exeMSBuild.exedescription pid process target process PID 4648 wrote to memory of 4684 4648 baa34a47a3e304011252780a85ae56be.exe MSBuild.exe PID 4648 wrote to memory of 4684 4648 baa34a47a3e304011252780a85ae56be.exe MSBuild.exe PID 4648 wrote to memory of 4684 4648 baa34a47a3e304011252780a85ae56be.exe MSBuild.exe PID 4648 wrote to memory of 4684 4648 baa34a47a3e304011252780a85ae56be.exe MSBuild.exe PID 4684 wrote to memory of 4756 4684 MSBuild.exe netsh.exe PID 4684 wrote to memory of 4756 4684 MSBuild.exe netsh.exe PID 4684 wrote to memory of 4756 4684 MSBuild.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\baa34a47a3e304011252780a85ae56be.exe"C:\Users\Admin\AppData\Local\Temp\baa34a47a3e304011252780a85ae56be.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\baa34a47a3e304011252780a85ae56be.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsk57A1.tmp\rocn.dllMD5
20e0ca41c8419f551c52aa86700b5074
SHA1e2a47c15342f874e051b18b577eca2c49ab99782
SHA256fde9673e0878783412ae8d1848316601f2f3b567a3688694b42d745fe18f14a0
SHA5120a726b78493a0f8ba01133d12670977e51fc1f1d878b0e389c59f03cb80decb5d50411a88058d6e466c9cfe1ca02c1ffbdb9f1fb855249c0cc351efcc4541a28
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memory/4684-115-0x000000000042070E-mapping.dmp
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memory/4684-116-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/4684-118-0x0000000005740000-0x0000000005741000-memory.dmpFilesize
4KB
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memory/4684-119-0x0000000005330000-0x0000000005331000-memory.dmpFilesize
4KB
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memory/4684-120-0x0000000005240000-0x000000000573E000-memory.dmpFilesize
5.0MB
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memory/4684-122-0x00000000063E0000-0x00000000063E1000-memory.dmpFilesize
4KB
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memory/4684-123-0x0000000006750000-0x0000000006751000-memory.dmpFilesize
4KB
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memory/4684-124-0x0000000006710000-0x0000000006711000-memory.dmpFilesize
4KB
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memory/4684-125-0x0000000005240000-0x000000000573E000-memory.dmpFilesize
5.0MB
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memory/4756-121-0x0000000000000000-mapping.dmp