snakekeylogger | 4c1dcdb75a7b931ee96b2e7acb81c988d3a4eb6e4c5d3c4431532cdd2ad4ae3e

General

Target
09009876543456789000000.exe
Size 169KB
Sample220624-kceynabagk
SHA256 4c1dcdb75a7b931ee96b2e7acb81c988d3a4eb6e4c5d3c4431532cdd2ad4ae3e
MD5 ef00b985340a8a5337505e46d4e4d172
SHA1 b6806c1a7232e3789e2fc9cac660800a9a5d082f
SHA512 4372cb584bff6d2d3ea9ca703c4ae50aa530851cb25616bc5b73cf1019323652c0aa6e1a634f086038b82268cd689c7b80be1675eca6e3a29c9b958f5d25935a
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
smtp.ionos.de
Port
25
Username
[email protected]
Password
Herbert02071951#
Email to
[email protected]

C2

https://api.telegram.org/bot5363562439:AAGVMiU4XYV-58gQyoNJh3zOsNSNx79x70w/sendMessage?chat_id=5417913617

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2464-137-0x0000000000400000-0x0000000000424000-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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	09009876543456789000000.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
20	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3800 set thread context of 2464	3800	09009876543456789000000.exe	89

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4652	timeout.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3800	09009876543456789000000.exe
3800	09009876543456789000000.exe
3800	09009876543456789000000.exe
3800	09009876543456789000000.exe
3800	09009876543456789000000.exe
3800	09009876543456789000000.exe
2464	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	09009876543456789000000.exe
Token: SeDebugPrivilege	2464	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4884	3800	09009876543456789000000.exe	79
PID 3800 wrote to memory of 4884	3800	09009876543456789000000.exe	79
PID 3800 wrote to memory of 4884	3800	09009876543456789000000.exe	79
PID 4884 wrote to memory of 4652	4884	cmd.exe	83
PID 4884 wrote to memory of 4652	4884	cmd.exe	83
PID 4884 wrote to memory of 4652	4884	cmd.exe	83
PID 3800 wrote to memory of 1480	3800	09009876543456789000000.exe	88
PID 3800 wrote to memory of 1480	3800	09009876543456789000000.exe	88
PID 3800 wrote to memory of 1480	3800	09009876543456789000000.exe	88
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89
PID 3800 wrote to memory of 2464	3800	09009876543456789000000.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\09009876543456789000000.exe
"C:\Users\Admin\AppData\Local\Temp\09009876543456789000000.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 14
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\SysWOW64\timeout.exe
    timeout 14
    3⤵
    - Delays execution with timeout.exe
    PID:4652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:1480
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/2464-137-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/2464-138-0x0000000005830000-0x00000000058CC000-memory.dmp

Download

memory/2464-139-0x00000000068D0000-0x0000000006A92000-memory.dmp

Download

memory/2464-140-0x0000000006860000-0x000000000686A000-memory.dmp

Download

memory/3800-130-0x0000000000C80000-0x0000000000CB0000-memory.dmp

Download

memory/3800-131-0x0000000005C60000-0x0000000006204000-memory.dmp

Download

memory/3800-134-0x0000000006FE0000-0x0000000007072000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads