vkeylogger | 3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a

General

Target

3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe
Size

161KB
MD5

8c5d3c16ae8cb907379a21bfab8cbb56
SHA1

c953abf45094625232a4b7a46ad91948e3f97b9e
SHA256

3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a
SHA512

25fc4b10d8e44b80a2bd47d3413ce99f647d1ad083fdc3c56e5c47e9d24deed0bcd1b998cbdf7ae672edc087d4d1c6b5773150471b189ee635336257ddc2b878

Score

10^/10

vkeylogger keylogger persistence stealer

Malware Config

Signatures

VKeylogger
A keylogger first seen in Nov 2020.
stealer keylogger vkeylogger

VKeylogger Payload 2 IoCs

resource	yara_rule
behavioral1/memory/3064-116-0x0000000000400000-0x000000000081A000-memory.dmp	family_vkeylogger
behavioral1/memory/2588-119-0x00000000003B0000-0x00000000003BF000-memory.dmp	family_vkeylogger

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeDriver = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\Firefox_update = "C:\\Windows\\system32\\mshta.exe javascript:x=new%20ActiveXObject(\"wscript.shell\");v=x.RegRead(\"HKCU\\\\Software\\\\Microsoft\\\\SMSvcHost\\\\ComponentID\");eval(v);"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2588	3064	3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe	69

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3064	3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe
2588	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2588	3064	3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe	69
PID 3064 wrote to memory of 2588	3064	3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe	69
PID 3064 wrote to memory of 2588	3064	3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe	69

C:\Users\Admin\AppData\Local\Temp\3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe
"C:\Users\Admin\AppData\Local\Temp\3367fd9ef4970f0f5a98b1e431c89dab120c098b8a9bed70b8729864931d274a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  PID:2588

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2588-119-0x00000000003B0000-0x00000000003BF000-memory.dmp

Filesize
60KB

Download
memory/3064-116-0x0000000000400000-0x000000000081A000-memory.dmp

Filesize
4.1MB

Download
memory/3064-115-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/3064-117-0x0000000000820000-0x000000000096A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing