snakekeylogger | 052ea3c932ea0e93a94b717c4c1481cfcb03d20bb9b34ad3d6eced801e3ceb51

Analysis

max time kernel
127s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
25/03/2022, 17:17

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General

Target
Scan0201582007.exe
Size 25KB
Sample220325-vtp53afdbp
SHA256 052ea3c932ea0e93a94b717c4c1481cfcb03d20bb9b34ad3d6eced801e3ceb51
MD5 82e401f17eb8b64e2143996b34dd3aeb
SHA1 50ab61a364e9ac181a784cce79143b9edddc5eed
SHA512 6d044f560ae55b443c21c73d0f1aacf0a73a705b715bbdc82d75f445df22c6958f62189734c7b04731e5b2b2a5469702151d84c7722bb125acf688dbdee8129c
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
febquip.shop
Port
587
Username
[email protected]
Password
5l!{{4E^d~3^;_3qA5
Email to
[email protected]

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3384-147-0x0000000000400000-0x0000000000426000-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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	Scan0201582007.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-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\office\\chrom.exe\""	Scan0201582007.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
30	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4336 set thread context of 3384	4336	Scan0201582007.exe	96

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	3384	WerFault.exe	96

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
740	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2812	powershell.exe
2812	powershell.exe
4336	Scan0201582007.exe
4336	Scan0201582007.exe
3384	Scan0201582007.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	4336	Scan0201582007.exe
Token: SeDebugPrivilege	3384	Scan0201582007.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 2812	4336	Scan0201582007.exe	81
PID 4336 wrote to memory of 2812	4336	Scan0201582007.exe	81
PID 4336 wrote to memory of 2812	4336	Scan0201582007.exe	81
PID 4336 wrote to memory of 3116	4336	Scan0201582007.exe	90
PID 4336 wrote to memory of 3116	4336	Scan0201582007.exe	90
PID 4336 wrote to memory of 3116	4336	Scan0201582007.exe	90
PID 3116 wrote to memory of 740	3116	cmd.exe	92
PID 3116 wrote to memory of 740	3116	cmd.exe	92
PID 3116 wrote to memory of 740	3116	cmd.exe	92
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96
PID 4336 wrote to memory of 3384	4336	Scan0201582007.exe	96

C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0201582007.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:4336
- 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:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 20
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Windows\SysWOW64\timeout.exe
    timeout 20
    3⤵
    - Delays execution with timeout.exe
    PID:740
- C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
  C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 1476
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3384 -ip 3384
1⤵
PID:3320

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

Command and Control

Exfiltration

Impact

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Downloads

memory/2812-141-0x0000000005015000-0x0000000005017000-memory.dmp

Download

memory/2812-135-0x0000000005590000-0x00000000055B2000-memory.dmp

Download

memory/2812-136-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Download

memory/2812-137-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Download

memory/2812-138-0x0000000006560000-0x000000000657E000-memory.dmp

Download

memory/2812-139-0x0000000007BE0000-0x000000000825A000-memory.dmp

Download

memory/2812-140-0x0000000006A70000-0x0000000006A8A000-memory.dmp

Download

memory/2812-134-0x0000000005650000-0x0000000005C78000-memory.dmp

Download

memory/2812-133-0x0000000004FC0000-0x0000000004FF6000-memory.dmp

Download

memory/3384-147-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/3384-149-0x0000000005970000-0x0000000005F14000-memory.dmp

Download

memory/3384-150-0x0000000005460000-0x00000000054FC000-memory.dmp

Download

memory/4336-143-0x0000000005C00000-0x0000000005CB2000-memory.dmp

Download

memory/4336-142-0x0000000005AF0000-0x0000000005B40000-memory.dmp

Download

memory/4336-131-0x00000000002D0000-0x00000000002DC000-memory.dmp

Download