snakekeylogger | f9c99819e882b21b76cf3397677ec58d55243ef1852c3105a3e324c4cf60dafd

General

Target

840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe
Size

728KB
MD5

840b567a9e2a4b9d9cc93ebb3d2e551e
SHA1

2beb298cbf5c2e85ef0afce25610ecb9a3e07513
SHA256

f9c99819e882b21b76cf3397677ec58d55243ef1852c3105a3e324c4cf60dafd
SHA512

9314e039acaf7003316411980c6bb1916e57e0a908fa8008590caf32d4e5f4328a540e49a77370e7b78d1c39a98d5190a748ed47866b354aee0f5e937051fbc5
SSDEEP

12288:AsUhjs1UvptQgVFyxzrt7uZVbqL6vFzDOFXiWxBkEryJF4W+vHVwamVDc4/9vopU:DkWmqgVF45ayinOFXpk/MReampc4/9v9

Score

10^/10

snakekeylogger discovery 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/3004-23-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/3004-21-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/3004-19-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/3004-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/3004-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	3004	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 2116 wrote to memory of 3004	2116	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2796	3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	31
PID 3004 wrote to memory of 2796	3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	31
PID 3004 wrote to memory of 2796	3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	31
PID 3004 wrote to memory of 2796	3004	840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\840b567a9e2a4b9d9cc93ebb3d2e551e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 1524
    3⤵
    - Program crash
    PID:2796

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/2116-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000DD0000-0x0000000000E8C000-memory.dmp

Filesize
752KB

Download
memory/2116-2-0x0000000004910000-0x0000000004992000-memory.dmp

Filesize
520KB

Download
memory/2116-3-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2116-5-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2116-6-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-7-0x000000000B360000-0x000000000B3EA000-memory.dmp

Filesize
552KB

Download
memory/2116-8-0x0000000000760000-0x0000000000784000-memory.dmp

Filesize
144KB

Download
memory/2116-24-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-25-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-26-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-23-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3004-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3004-27-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download

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