snakekeylogger | fafaddbb1565d7ce0c43c349d7fe4858fffcdf1ef8d29f73b906d275209cf641

Analysis

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

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General

Target
8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
Size 772KB
Sample240417-saw36aee8s
SHA256 8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9
MD5 d064646721e6e070b61daecc9396bd63
SHA1 aa6194967f091d6ad78ee72b937dde20a89fcfb9
SHA512 b3eaedec7c2007a0fc5f1ce3d726a13bc9a69d6dbcd1f2db05a7db023917a02f533626a1c79648d613f014c17b358d70fb714b1939bd329d01113f0348bcbbd1
SSDEEP 12288:dJpHCmbibyjK567+fJzJjIOppNcTB+iIPsMI:ZCtyjK5QyJjIGpNcT+P
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

http://varders.kozow.com:8081
http://aborters.duckdns.org:8081
http://anotherarmy.dns.army:8081

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

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.

Query Registry

T1012

System Information Discovery

T1082

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).

System Information Discovery
T1082

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

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.exe
      choice /C Y /N /D Y /T 3
      4⤵
      PID:4032

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:8
1⤵
PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1680-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

Download

memory/1680-1-0x0000000000940000-0x0000000000A06000-memory.dmp

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memory/1680-2-0x00000000747D0000-0x0000000074F80000-memory.dmp

Download

memory/1680-3-0x00000000054A0000-0x00000000054B0000-memory.dmp

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memory/1680-4-0x0000000005440000-0x0000000005494000-memory.dmp

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memory/1680-5-0x0000000005C60000-0x0000000006204000-memory.dmp

Download

memory/1680-6-0x0000000005790000-0x0000000005822000-memory.dmp

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memory/1680-7-0x00000000054A0000-0x00000000054B0000-memory.dmp

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memory/1680-8-0x00000000012A0000-0x000000000133C000-memory.dmp

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memory/1680-9-0x0000000000EF0000-0x0000000000EF8000-memory.dmp

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memory/1680-12-0x00000000747D0000-0x0000000074F80000-memory.dmp

Download

memory/2500-13-0x0000000000180000-0x00000000001A6000-memory.dmp

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memory/2500-14-0x00000000747D0000-0x0000000074F80000-memory.dmp

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memory/2500-15-0x0000000004D00000-0x0000000004D10000-memory.dmp

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memory/2500-16-0x00000000747D0000-0x0000000074F80000-memory.dmp

Download

memory/2500-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

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