snakekeylogger | 73e4f070272e4a09024944c9efd73070c6c8762f98db9f6ddecda7244a50ceca

Analysis

max time kernel
91s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
04/07/2022, 07:31

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General

Target
VESSEL Q88.exe
Size 189KB
Sample220704-jcdj6afcfp
SHA256 73e4f070272e4a09024944c9efd73070c6c8762f98db9f6ddecda7244a50ceca
MD5 09831ae5e1d71e46b17c11453103f0d2
SHA1 051535fcd7a71c6a68b1bcb782479b1c73dc69fb
SHA512 ab6fb2a5e1cc54fd8f302e642cb6ed677cc7835288e1f4d1978ae518ee2eaacc45337bd18388d55ce21b0bd28db726adc9eec6c183d68e30204739244f2d9e48
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4692-142-0x0000000000400000-0x0000000000426000-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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	VESSEL Q88.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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zjkpv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Iayzqn\\Zjkpv.exe\""	VESSEL Q88.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
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4700 set thread context of 4692	4700	VESSEL Q88.exe	83

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 5 IoCs

pid	Process
3180	powershell.exe
3180	powershell.exe
4700	VESSEL Q88.exe
4700	VESSEL Q88.exe
4692	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4700	VESSEL Q88.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	4692	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3180	4700	VESSEL Q88.exe	81
PID 4700 wrote to memory of 3180	4700	VESSEL Q88.exe	81
PID 4700 wrote to memory of 3180	4700	VESSEL Q88.exe	81
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83
PID 4700 wrote to memory of 4692	4700	VESSEL Q88.exe	83

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\VESSEL Q88.exe
"C:\Users\Admin\AppData\Local\Temp\VESSEL Q88.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3180
- 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:4692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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/3180-138-0x0000000007B70000-0x00000000081EA000-memory.dmp

Download

memory/3180-139-0x00000000068A0000-0x00000000068BA000-memory.dmp

Download

memory/3180-132-0x0000000002A60000-0x0000000002A96000-memory.dmp

Download

memory/3180-133-0x00000000054B0000-0x0000000005AD8000-memory.dmp

Download

memory/3180-134-0x0000000005B10000-0x0000000005B32000-memory.dmp

Download

memory/3180-135-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Download

memory/3180-136-0x0000000005D50000-0x0000000005DB6000-memory.dmp

Download

memory/3180-137-0x0000000006390000-0x00000000063AE000-memory.dmp

Download

memory/4692-142-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/4692-143-0x0000000005760000-0x0000000005D04000-memory.dmp

Download

memory/4692-144-0x0000000005250000-0x00000000052EC000-memory.dmp

Download

memory/4692-145-0x0000000006440000-0x0000000006602000-memory.dmp

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memory/4692-146-0x00000000063C0000-0x00000000063CA000-memory.dmp

Download

memory/4700-140-0x000000002E710000-0x000000002E7A2000-memory.dmp

Download

memory/4700-130-0x00000000000A0000-0x00000000000D4000-memory.dmp

Download