snakekeylogger | aac7e59c80c3f5d47c7bae1419795427776e249485af9d17143af309f9e974d9

General

Target

Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
Size

598KB
MD5

4e699dc468a0255f77c815757f9a036f
SHA1

f5ae9a7f87ffaf153b9c94894ab193ac68537801
SHA256

4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7
SHA512

dadd501f9d15fd13d0616d0fe66c82a4d16565fd7cc05c0b62e711ad503152076223c9e1c457aeaa3eb41d74d5c820e28e8f3e895219f11fc899c9fe4f17578f
SSDEEP

12288:Rcir1S2IoOAc6/5rZGmy4CYoZno/mItqhrecBYCdcm4wnzgS+47J6CPBjYkMzZQw:mYo9ouI+rqCdxzX16CP5YxzZUH0

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1916-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2424	powershell.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	1916	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
2424	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
Token: SeDebugPrivilege	1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
Token: SeDebugPrivilege	2424	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2424	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	31
PID 2372 wrote to memory of 2424	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	31
PID 2372 wrote to memory of 2424	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	31
PID 2372 wrote to memory of 2424	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	31
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 2372 wrote to memory of 1916	2372	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	33
PID 1916 wrote to memory of 2636	1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	34
PID 1916 wrote to memory of 2636	1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	34
PID 1916 wrote to memory of 2636	1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	34
PID 1916 wrote to memory of 2636	1916	Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe	34

C:\Users\Admin\AppData\Local\Temp\Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
"C:\Users\Admin\AppData\Local\Temp\Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2424
- C:\Users\Admin\AppData\Local\Temp\Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe
  "C:\Users\Admin\AppData\Local\Temp\Siparis PO# DT-TE-Metal Hurda 160924R0 _323282-_563028621286 img.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1096
    3⤵
    - Program crash
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1916-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-24-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-28-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2372-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000001280000-0x000000000131C000-memory.dmp

Filesize
624KB

Download
memory/2372-6-0x0000000004790000-0x00000000047F8000-memory.dmp

Filesize
416KB

Download
memory/2372-5-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download
memory/2372-4-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-27-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-3-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download

Analysis

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