snakekeylogger | b8216cdc194ab1f82820fc2a29ca63af3a1f3e6b80102ab658c1ee33b7dd68da

Analysis

max time kernel
164s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 00:35

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General

Target
8d38003a1a35790a116f039a0998f4bb.exe
Size 842KB
Sample221202-axf2caah91
SHA256 b8216cdc194ab1f82820fc2a29ca63af3a1f3e6b80102ab658c1ee33b7dd68da
MD5 8d38003a1a35790a116f039a0998f4bb
SHA1 094eff2ab11ae19699d7dc5c22bab0429beb50bb
SHA512 e11cd051e9c91e58ba0f9d3ae8c498d8aa4993e5d27f97aac78e7a7529e370cfff4fa6a05cdb3084100144702a064bcbc03bc55793ebe2d432ea0ba7815cd07d
SSDEEP 12288:7OeRWLigAwR4cLGtwpmD3U25D6uMlpwnm/g8AdLn8DE2dgCOWDC2xVmsrKa:1sAhcLGOpi6pwnmgdLn8D1O72qmKa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2496-141-0x0000000000400000-0x0000000000426000-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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8d38003a1a35790a116f039a0998f4bb.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
82	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4232 set thread context of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4232	8d38003a1a35790a116f039a0998f4bb.exe
4232	8d38003a1a35790a116f039a0998f4bb.exe
4232	8d38003a1a35790a116f039a0998f4bb.exe
2496	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4232	8d38003a1a35790a116f039a0998f4bb.exe
Token: SeDebugPrivilege	2496	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 4728	4232	8d38003a1a35790a116f039a0998f4bb.exe	85
PID 4232 wrote to memory of 4728	4232	8d38003a1a35790a116f039a0998f4bb.exe	85
PID 4232 wrote to memory of 4728	4232	8d38003a1a35790a116f039a0998f4bb.exe	85
PID 4232 wrote to memory of 2300	4232	8d38003a1a35790a116f039a0998f4bb.exe	88
PID 4232 wrote to memory of 2300	4232	8d38003a1a35790a116f039a0998f4bb.exe	88
PID 4232 wrote to memory of 2300	4232	8d38003a1a35790a116f039a0998f4bb.exe	88
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89
PID 4232 wrote to memory of 2496	4232	8d38003a1a35790a116f039a0998f4bb.exe	89

C:\Users\Admin\AppData\Local\Temp\8d38003a1a35790a116f039a0998f4bb.exe
"C:\Users\Admin\AppData\Local\Temp\8d38003a1a35790a116f039a0998f4bb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LaepmcbNglF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB68E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

tmpB68E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB68E.tmp
Size 1KB
SHA256 23c97086332e9d265d0490835bc1ffe721f267dbbfcff5c9382735a096881b2b
MD5 1ddaf0c5d48cbb39c2e1b5940aee96e4
SHA1 d8986f27b35de069b27da3dbef0934dd70b096d5
SHA512 b4d302b2497293740697bdc1fbe43bf1c8546d890b7e29092e4ced2e48c3b9c372b43ab69ceb69624858b3f51e60dec89dbe8763d989584325c1a42c77f201ab
MD5 SHA1 SHA512

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memory/2496-141-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4232-132-0x00000000009B0000-0x0000000000A88000-memory.dmp

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memory/4232-133-0x0000000005A20000-0x0000000005FC4000-memory.dmp

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memory/4232-134-0x0000000005470000-0x0000000005502000-memory.dmp

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memory/4232-135-0x0000000005510000-0x00000000055AC000-memory.dmp

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memory/4232-136-0x0000000005440000-0x000000000544A000-memory.dmp

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