Analysis
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max time kernel
148s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 14:55
Static task
static1
Behavioral task
behavioral1
Sample
8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
Resource
win10v2004-20240226-en
General
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Target
8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
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Size
772KB
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MD5
d064646721e6e070b61daecc9396bd63
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SHA1
aa6194967f091d6ad78ee72b937dde20a89fcfb9
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SHA256
8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9
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SHA512
b3eaedec7c2007a0fc5f1ce3d726a13bc9a69d6dbcd1f2db05a7db023917a02f533626a1c79648d613f014c17b358d70fb714b1939bd329d01113f0348bcbbd1
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SSDEEP
12288:dJpHCmbibyjK567+fJzJjIOppNcTB+iIPsMI:ZCtyjK5QyJjIGpNcT+P
Malware Config
Extracted
snakekeylogger
http://varders.kozow.com:8081
http://aborters.duckdns.org:8081
http://anotherarmy.dns.army:8081
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/2500-13-0x0000000000180000-0x00000000001A6000-memory.dmp family_snakekeylogger -
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation RegAsm.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.
flow ioc 47 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2500 RegAsm.exe 2500 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2500 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 1680 wrote to memory of 2500 1680 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe 101 PID 2500 wrote to memory of 3300 2500 RegAsm.exe 102 PID 2500 wrote to memory of 3300 2500 RegAsm.exe 102 PID 2500 wrote to memory of 3300 2500 RegAsm.exe 102 PID 3300 wrote to memory of 4032 3300 cmd.exe 104 PID 3300 wrote to memory of 4032 3300 cmd.exe 104 PID 3300 wrote to memory of 4032 3300 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe"C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵PID:4032
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:2632