vipkeylogger | dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da

General

Target

IMAG_00958_885758_.exe
Size

1.2MB
MD5

a5956a0bd4e775a24f37a8aec90f298c
SHA1

ca31450f5809e212efb6c8036b5d1e974fcaa34e
SHA256

dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da
SHA512

38e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a
SSDEEP

24576:OA9km6k/IwRYbiBeKGC3Ttf4CVmOdorsVRmUq83:f9sk/IRUnjtfVor6F

Score

10^/10

vipkeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7057659630:AAFimyTDK97bk--tGx0V9NZ3l1ggFNh71Fc/sendMessage?chat_id=6898292898

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\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	IMAG_00958_885758_.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
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4264 set thread context of 2720	4264	IMAG_00958_885758_.exe	94

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5044	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1580	2720	WerFault.exe	94

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	IMAG_00958_885758_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMAG_00958_885758_.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5044	Powershell.exe
5044	Powershell.exe
2720	IMAG_00958_885758_.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5044	Powershell.exe
Token: SeDebugPrivilege	2720	IMAG_00958_885758_.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 5044	4264	IMAG_00958_885758_.exe	92
PID 4264 wrote to memory of 5044	4264	IMAG_00958_885758_.exe	92
PID 4264 wrote to memory of 5044	4264	IMAG_00958_885758_.exe	92
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94
PID 4264 wrote to memory of 2720	4264	IMAG_00958_885758_.exe	94

C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe
"C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5044
- C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe
  "C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 1484
    3⤵
    - Program crash
    PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2720 -ip 2720
1⤵
PID:4876

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe

Filesize
1.2MB

MD5
a5956a0bd4e775a24f37a8aec90f298c

SHA1
ca31450f5809e212efb6c8036b5d1e974fcaa34e

SHA256
dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da

SHA512
38e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_koa3zrtk.lyu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2720-42-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2720-34-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2720-32-0x0000000000950000-0x00000000009A4000-memory.dmp

Filesize
336KB

Download
memory/2720-30-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-8-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-6-0x0000000004F20000-0x0000000004FA4000-memory.dmp

Filesize
528KB

Download
memory/4264-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/4264-9-0x00000000058A0000-0x000000000593C000-memory.dmp

Filesize
624KB

Download
memory/4264-1-0x0000000000150000-0x0000000000290000-memory.dmp

Filesize
1.2MB

Download
memory/4264-2-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4264-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/4264-4-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

Filesize
40KB

Download
memory/4264-28-0x0000000004EE0000-0x0000000004EE8000-memory.dmp

Filesize
32KB

Download
memory/4264-7-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/5044-23-0x00000000055E0000-0x0000000005934000-memory.dmp

Filesize
3.3MB

Download
memory/5044-12-0x0000000004EF0000-0x0000000005518000-memory.dmp

Filesize
6.2MB

Download
memory/5044-17-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/5044-15-0x0000000004D20000-0x0000000004D42000-memory.dmp

Filesize
136KB

Download
memory/5044-11-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-14-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-33-0x0000000005D40000-0x0000000005D8C000-memory.dmp

Filesize
304KB

Download
memory/5044-16-0x0000000004DC0000-0x0000000004E26000-memory.dmp

Filesize
408KB

Download
memory/5044-31-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

Filesize
120KB

Download
memory/5044-13-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-35-0x0000000006240000-0x00000000062D6000-memory.dmp

Filesize
600KB

Download
memory/5044-36-0x00000000061B0000-0x00000000061CA000-memory.dmp

Filesize
104KB

Download
memory/5044-37-0x0000000006200000-0x0000000006222000-memory.dmp

Filesize
136KB

Download
memory/5044-41-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-10-0x0000000004750000-0x0000000004786000-memory.dmp

Filesize
216KB

Download

Analysis

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