snakekeylogger | 34b91aa79335759905f9405680460480b9d3a759c32e972192c0e6c41f3d7c36

General

Target

Payment.exe
Size

947KB
MD5

7084794e65207923c736c1e55e87abb8
SHA1

cd657ba0e8442abe779fc7db5a63d502b6ef162e
SHA256

34b91aa79335759905f9405680460480b9d3a759c32e972192c0e6c41f3d7c36
SHA512

b03c499251d5739b1a5d05aea6e59a55432cbbd10034180814d1756d649f94aaead241e0dd91edd456a595108e5fb002ef3ccdd3eeabd5d16ec1e53256af8025
SSDEEP

12288:UaXrxR6wz8NxSN2iNXHoHymQSi9rMebjjnk5X:dXrzB1ZH2yRrjjn

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

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/4892-140-0x0000000000400000-0x0000000000426000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	Payment.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
42	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 4892	5112	Payment.exe	91

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
3692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4892	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3692	5112	Payment.exe	89
PID 5112 wrote to memory of 3692	5112	Payment.exe	89
PID 5112 wrote to memory of 3692	5112	Payment.exe	89
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91
PID 5112 wrote to memory of 4892	5112	Payment.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fCPnTIFtR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp937.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp937.tmp

Filesize
1KB

MD5
4430a912d2afcb71dd8298dc47e2759f

SHA1
f2f1864d9e3d0a08a081cac4dce26e947a4ab3c7

SHA256
23926d4627903a3312c4785cffc26f9508567b5cab91b5c099568c82cb2433c8

SHA512
c0d23c9b275fc6b0e58f7dc6e636de88ca829a3d9dc9d5fda9cc5baa3aad23c3cb94ae6d3deacbb50fad4da7ef960ac01e01b64438605fa53ef31357aa0ce357

Download Submit
memory/3692-137-0x0000000000000000-mapping.dmp

Download
memory/4892-139-0x0000000000000000-mapping.dmp

Download
memory/4892-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4892-141-0x00000000065E0000-0x00000000067A2000-memory.dmp

Filesize
1.8MB

Download
memory/5112-132-0x00000000004C0000-0x00000000005B2000-memory.dmp

Filesize
968KB

Download
memory/5112-133-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/5112-134-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/5112-135-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/5112-136-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads