vkeylogger | af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c

General

Target

af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe
Size

245KB
MD5

5e66bfb2c836a66c9ec791a481051d96
SHA1

4458102441dcf3957e3fffec22cec425c432c2d3
SHA256

af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c
SHA512

d0b47553e93076393a1cade86eaca055bff7ef1384df81b877ae9d3aa3897ae46ee7d57f6aefa32948a8881dca6c6e4bf0663007295d22017c0cf3ceda9e7594

Score

10^/10

vkeylogger keylogger persistence stealer

Malware Config

Signatures

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

VKeylogger Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4632-136-0x0000000000600000-0x000000000060E000-memory.dmp	family_vkeylogger
behavioral1/memory/4632-137-0x0000000000400000-0x000000000046E000-memory.dmp	family_vkeylogger
behavioral1/memory/1256-138-0x0000000000D00000-0x0000000000D0F000-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-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jyrt = "C:\\Windows\\system32\\mshta.exe javascript:x=new%20ActiveXObject(\"wscript.shell\");v=x.RegRead(\"HKCU\\\\Software\\\\Microsoft\\\\SMSvcHost\\\\ComponentID\");eval(v);"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gtreh = "C:\\Users\\Admin\\AppData\\Local\\Temp\\af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 1256	4632	af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
260	4632	WerFault.exe	82

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4632	af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe
1256	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1256	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 1256	4632	af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe	87
PID 4632 wrote to memory of 1256	4632	af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe	87
PID 4632 wrote to memory of 1256	4632	af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe	87

C:\Users\Admin\AppData\Local\Temp\af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe
"C:\Users\Admin\AppData\Local\Temp\af60cee205fbfa4a08bfa445212aafba454f2f7234edb093a54d067ec967ef8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4632
- 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:1256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 452
  2⤵
  - Program crash
  PID:260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4632 -ip 4632
1⤵
PID:3612

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/1256-138-0x0000000000D00000-0x0000000000D0F000-memory.dmp

Filesize
60KB

Download
memory/4632-134-0x000000000068E000-0x0000000000699000-memory.dmp

Filesize
44KB

Download
memory/4632-135-0x000000000068E000-0x0000000000699000-memory.dmp

Filesize
44KB

Download
memory/4632-136-0x0000000000600000-0x000000000060E000-memory.dmp

Filesize
56KB

Download
memory/4632-137-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

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