snakekeylogger | 36b641ba0f1f45fc6bb9c6fb4f74b2a07318b5f4a420d9fbe9b59e1ac2ce3bc4

General

Target

PARATRANSFARIREMINDER.exe
Size

959KB
MD5

7d142eb549dacdfc9c357f482d5bf921
SHA1

57ef6110732b2d91f90c785a3fbba4a0112cdc87
SHA256

36b641ba0f1f45fc6bb9c6fb4f74b2a07318b5f4a420d9fbe9b59e1ac2ce3bc4
SHA512

77d59910817caeaa0f8b10d46fb9cf849784d98550040fa6c97a65cbc5a13207f8e8c83edc60608ff5ffba61061704ca5ecfe8c7f01961ddd5dfc987994e26b1
SSDEEP

12288:yCdOy3vVrKxR5CXbNjAOxK/j2n+4YG/6c1mFFja3mXgcjfRlgsUBga1Tc4lB6e8X:yCdxte/80jYLT3U1jfsWahT76bzZJoQ

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7535953552:AAEceAC130pKqikyDX9W3q553FopjnWE5ro/sendMessage?chat_id=1981459653

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2440-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2440-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2440-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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 1824 set thread context of 2440	1824	PARATRANSFARIREMINDER.exe	28

System Location Discovery: System Language Discovery 1 TTPs 4 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	PARATRANSFARIREMINDER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2440	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1824	PARATRANSFARIREMINDER.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1824	PARATRANSFARIREMINDER.exe
1824	PARATRANSFARIREMINDER.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1824	PARATRANSFARIREMINDER.exe
1824	PARATRANSFARIREMINDER.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 1824 wrote to memory of 2440	1824	PARATRANSFARIREMINDER.exe	28
PID 2440 wrote to memory of 2612	2440	RegSvcs.exe	29
PID 2440 wrote to memory of 2612	2440	RegSvcs.exe	29
PID 2440 wrote to memory of 2612	2440	RegSvcs.exe	29
PID 2440 wrote to memory of 2612	2440	RegSvcs.exe	29
PID 2612 wrote to memory of 2700	2612	cmd.exe	31
PID 2612 wrote to memory of 2700	2612	cmd.exe	31
PID 2612 wrote to memory of 2700	2612	cmd.exe	31
PID 2612 wrote to memory of 2700	2612	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\PARATRANSFARIREMINDER.exe
"C:\Users\Admin\AppData\Local\Temp\PARATRANSFARIREMINDER.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\PARATRANSFARIREMINDER.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2440
- - 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\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1824-11-0x0000000000660000-0x0000000000A60000-memory.dmp

Filesize
4.0MB

Download
memory/2440-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2440-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2440-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2440-17-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2440-18-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2440-19-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2440-20-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2440-21-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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