snakekeylogger | 6657fc401ddcb3ffdbe0d45b7850f9a2bccef46d42469b825cd890557a351693

Analysis

max time kernel
122s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26/09/2022, 06:41

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General

Target
Product List.exe
Size 211KB
Sample220926-hfr2aabaaj
SHA256 6657fc401ddcb3ffdbe0d45b7850f9a2bccef46d42469b825cd890557a351693
MD5 16b097f9953854b7f1c0c046ec34d366
SHA1 1cd3ff8497afb31a9ba5280ef0d8d939689ea597
SHA512 43f6313cd2831b9885c7eb851b1ed97743904e7e2d444acacddfb69388beb1743a2f931a115524270d953d5255bc0558bdf5ca22308e3d714205482c3f6f8230
SSDEEP 1536:FOW5VXt2AfixzZ/widSImSU969OSuzrX:FOAQw09qX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.stilltech.ro
Port
587
Username
[email protected]
Password
eurobit555ro
Email to
[email protected]

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Jolwntw\\Sguhfix.exe\","	Product List.exe

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1028-143-0x0000000000400000-0x0000000000426000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Product List.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\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
36	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 1028	4948	Product List.exe	91

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

pid	Process
3672	powershell.exe
3672	powershell.exe
1028	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	Product List.exe
Token: SeDebugPrivilege	3672	powershell.exe
Token: SeDebugPrivilege	1028	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3672	4948	Product List.exe	85
PID 4948 wrote to memory of 3672	4948	Product List.exe	85
PID 4948 wrote to memory of 3672	4948	Product List.exe	85
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91
PID 4948 wrote to memory of 1028	4948	Product List.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Product List.exe
"C:\Users\Admin\AppData\Local\Temp\Product List.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3672
- 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:1028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1028-148-0x0000000006650000-0x000000000665A000-memory.dmp

Download

memory/1028-147-0x00000000068B0000-0x0000000006942000-memory.dmp

Download

memory/1028-146-0x00000000066E0000-0x00000000068A2000-memory.dmp

Download

memory/1028-145-0x0000000005690000-0x000000000572C000-memory.dmp

Download

memory/1028-144-0x0000000005BA0000-0x0000000006144000-memory.dmp

Download

memory/1028-143-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/3672-136-0x0000000005580000-0x0000000005BA8000-memory.dmp

Download

memory/3672-140-0x0000000007CA0000-0x000000000831A000-memory.dmp

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memory/3672-141-0x0000000006950000-0x000000000696A000-memory.dmp

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memory/3672-139-0x0000000006450000-0x000000000646E000-memory.dmp

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memory/3672-138-0x0000000005E50000-0x0000000005EB6000-memory.dmp

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memory/3672-137-0x0000000005D70000-0x0000000005DD6000-memory.dmp

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memory/3672-135-0x0000000004E80000-0x0000000004EB6000-memory.dmp

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memory/4948-132-0x0000000000530000-0x000000000056A000-memory.dmp

Download

memory/4948-133-0x0000000005940000-0x0000000005962000-memory.dmp

Download