vipkeylogger | 1e5ece7c18fa26c294653ff81abf093ec7ee778880053ab447a57fd9017ab917

General

Target

PO20241219.exe
Size

1.1MB
MD5

f3ce93c4a0cae401cb09cb1706acf8e3
SHA1

6e9aaa501e8158afda8df2d6e6328152d630e92c
SHA256

1e5ece7c18fa26c294653ff81abf093ec7ee778880053ab447a57fd9017ab917
SHA512

7f3327c958b0665cd047926abdf3ec53b741a683f37d7397b920cfd70a297b99f586b4576418f3b64ff0fefb5c4adfc5da2a9f6053d5a154986677a85cd595d9
SSDEEP

24576:vMaSSKy2/SPNV2hMY/KVExMGNMpK5lHhaukA:vRQcLYeKTAA

Score

10^/10

vipkeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7840304120:AAECZoZmPryJu9IxJWGOLjCOmOcpm5-OSlM/sendMessage?chat_id=7656766151

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\worm.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\worm.exe	Powershell.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2860	2328	PO20241219.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2820	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2860	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO20241219.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO20241219.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	Powershell.exe
2860	PO20241219.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	Powershell.exe
Token: SeDebugPrivilege	2860	PO20241219.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2820	2328	PO20241219.exe	29
PID 2328 wrote to memory of 2820	2328	PO20241219.exe	29
PID 2328 wrote to memory of 2820	2328	PO20241219.exe	29
PID 2328 wrote to memory of 2820	2328	PO20241219.exe	29
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2328 wrote to memory of 2860	2328	PO20241219.exe	31
PID 2860 wrote to memory of 2804	2860	PO20241219.exe	32
PID 2860 wrote to memory of 2804	2860	PO20241219.exe	32
PID 2860 wrote to memory of 2804	2860	PO20241219.exe	32
PID 2860 wrote to memory of 2804	2860	PO20241219.exe	32

C:\Users\Admin\AppData\Local\Temp\PO20241219.exe
"C:\Users\Admin\AppData\Local\Temp\PO20241219.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\PO20241219.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\worm.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\PO20241219.exe
  "C:\Users\Admin\AppData\Local\Temp\PO20241219.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 1104
    3⤵
    - Program crash
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2328-11-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/2328-1-0x00000000010C0000-0x00000000011E4000-memory.dmp

Filesize
1.1MB

Download
memory/2328-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x0000000004BA0000-0x0000000004C30000-memory.dmp

Filesize
576KB

Download
memory/2328-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2328-30-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-29-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2820-6-0x000000006FB01000-0x000000006FB02000-memory.dmp

Filesize
4KB

Download
memory/2820-7-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-8-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-9-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-10-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-28-0x000000006FB00000-0x00000000700AB000-memory.dmp

Filesize
5.7MB

Download
memory/2860-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-24-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-14-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-26-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2860-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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