snakekeylogger | a862027201de12628e1b10ac0683ce7ef2cc56e8b758e7db7b2b0bc29e192839

General

Target

56516426-056C-4DBA-984B-979F68AB8D188.scr
Size

2.0MB
MD5

635daf270aefeef62956e548bec3dfa7
SHA1

5da8ce1ce4c52f70a352915d7d9c4e801d82da14
SHA256

a862027201de12628e1b10ac0683ce7ef2cc56e8b758e7db7b2b0bc29e192839
SHA512

21c5bb9ebf7b91224beee05c6a641e47de4952748728296da944ba14989f17e0b545d02c3d30176b23f2328809e9ff6f246e527bc56c42baf48ed63f87afb7e3

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5335728373:AAE0XSYzSQbblHhLHkfzUBSGGlJlBP1LGLA/sendMessage?chat_id=5563565662

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1780-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-69-0x00000000004201DE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1780-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

56516426-056C-4DBA-984B-979F68AB8D188.scr

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sdyutedyz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zbbusuk\\Sdyutedyz.exe\""	56516426-056C-4DBA-984B-979F68AB8D188.scr

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

56516426-056C-4DBA-984B-979F68AB8D188.scr

description pid process target process

PID 1776 set thread context of 1780 1776 56516426-056C-4DBA-984B-979F68AB8D188.scr InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe56516426-056C-4DBA-984B-979F68AB8D188.scrInstallUtil.exe

pid process

240 powershell.exe
1776 56516426-056C-4DBA-984B-979F68AB8D188.scr
1780 InstallUtil.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1776 set thread context of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe

pid	process
240	powershell.exe
1776	56516426-056C-4DBA-984B-979F68AB8D188.scr
1780	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

56516426-056C-4DBA-984B-979F68AB8D188.scrpowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr
Token: SeDebugPrivilege	240	powershell.exe
Token: SeDebugPrivilege	1780	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

56516426-056C-4DBA-984B-979F68AB8D188.scr

description	pid	process	target process
PID 1776 wrote to memory of 240	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	powershell.exe
PID 1776 wrote to memory of 240	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	powershell.exe
PID 1776 wrote to memory of 240	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	powershell.exe
PID 1776 wrote to memory of 240	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	powershell.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe
PID 1776 wrote to memory of 1780	1776	56516426-056C-4DBA-984B-979F68AB8D188.scr	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D188.scr
"C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D188.scr" /S
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:240
- 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:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/240-61-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/240-57-0x0000000000000000-mapping.dmp

Download
memory/240-59-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/240-60-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-54-0x00000000011E0000-0x00000000013E8000-memory.dmp

Filesize
2.0MB

Download
memory/1776-56-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1776-55-0x0000000004CA0000-0x0000000004EA4000-memory.dmp

Filesize
2.0MB

Download
memory/1780-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-69-0x00000000004201DE-mapping.dmp

Download
memory/1780-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads