snakekeylogger | fac95f09600baf09bf16c0c46c4eb851fe16b678f95ada7e0de25ee0bf71c85d

General

Target
56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
Size 17KB
Sample220520-pl731sbec2
SHA256 fac95f09600baf09bf16c0c46c4eb851fe16b678f95ada7e0de25ee0bf71c85d
MD5 51e45a0be107e6db044816e8bf736a11
SHA1 88503b1ced18ba01ad5504aefc3aca68f03bca48
SHA512 1e88f3e70713ffd48debf95ea937dd86e9f045c6a47507f62d0c7622bf14fbe593b048f7509ef1932df598cd0f26600f423d52814af778d653fd193145723cc9
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5133877199:AAFVuTp8XYhOatmYAFHsEDxDtry0VhBaONc/sendMessage?chat_id=1467583453

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4700-137-0x0000000000400000-0x0000000000426000-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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3100 set thread context of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91

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
3444	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
4700	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
Token: SeDebugPrivilege	4700	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 2160	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	88
PID 3100 wrote to memory of 2160	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	88
PID 3100 wrote to memory of 2160	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	88
PID 2160 wrote to memory of 3444	2160	cmd.exe	90
PID 2160 wrote to memory of 3444	2160	cmd.exe	90
PID 2160 wrote to memory of 3444	2160	cmd.exe	90
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91
PID 3100 wrote to memory of 4700	3100	56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 30
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\timeout.exe
    timeout 30
    3⤵
    - Delays execution with timeout.exe
    PID:3444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4700

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/3100-130-0x0000000000590000-0x000000000059A000-memory.dmp

Download

memory/3100-131-0x0000000005420000-0x00000000059C4000-memory.dmp

Download

memory/3100-132-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Download

memory/3100-133-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Download

memory/4700-137-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/4700-138-0x0000000004DE0000-0x0000000004E7C000-memory.dmp

Download

memory/4700-139-0x0000000005E30000-0x0000000005FF2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads