snakekeylogger | 300255f5b9216ec3e80aeb8d74b644f7b8ec836c56eee077c793ae348514dcc4

General

Target

4220b349c4c00a018bb7452434468205_JaffaCakes118.exe
Size

745KB
MD5

4220b349c4c00a018bb7452434468205
SHA1

27f06ebaded2463ca1be630869b3ee07ab5f7ff2
SHA256

300255f5b9216ec3e80aeb8d74b644f7b8ec836c56eee077c793ae348514dcc4
SHA512

5dc61b0aefb7c3a43b699aac0040662bd7dd8f48fe7999eb08b6645a86782edf41ddf5be2daa72ec0962cb4e0a35527e907c7b00a5b0a6e3d97c4e1145f1738c
SSDEEP

12288:gD/HK7zJaXDYCY6Up2uKdyUwlCsq3cpMJHay6OfA5Vhm3sZ3ooFYEwf6R+D7Zz+q:gelaXUXp2XyUxs+laH

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 1 IoCs

resource	yara_rule
behavioral2/memory/4412-12-0x0000000000400000-0x0000000000424000-memory.dmp	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
29	checkip.dyndns.org
31	freegeoip.app
32	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	4412	WerFault.exe	88

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	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4412	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88
PID 4932 wrote to memory of 4412	4932	4220b349c4c00a018bb7452434468205_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\4220b349c4c00a018bb7452434468205_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4220b349c4c00a018bb7452434468205_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\4220b349c4c00a018bb7452434468205_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4220b349c4c00a018bb7452434468205_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 1816
    3⤵
    - Program crash
    PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4412 -ip 4412
1⤵
PID:3112

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4220b349c4c00a018bb7452434468205_JaffaCakes118.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/4412-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4412-18-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-17-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-15-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4932-4-0x0000000005230000-0x00000000052CC000-memory.dmp

Filesize
624KB

Download
memory/4932-6-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4932-7-0x0000000005370000-0x0000000005386000-memory.dmp

Filesize
88KB

Download
memory/4932-8-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/4932-9-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4932-10-0x0000000006C00000-0x0000000006C8C000-memory.dmp

Filesize
560KB

Download
memory/4932-11-0x0000000009260000-0x0000000009284000-memory.dmp

Filesize
144KB

Download
memory/4932-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/4932-0-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/4932-3-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4932-16-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/4932-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/4932-1-0x00000000007D0000-0x0000000000890000-memory.dmp

Filesize
768KB

Download

Analysis

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