vipkeylogger | 0249201e9aa969e6ef6061ef68a37861c6750f1d3f2244c72994c482aa985858

Analysis

max time kernel
148s
max time network
155s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 18:19

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General

Target
acrypted.ps1
Size 1.8MB
Sample260910-wyafvaeb38
SHA256 0249201e9aa969e6ef6061ef68a37861c6750f1d3f2244c72994c482aa985858
MD5 9adc976f91fb0963e86efd0a37d33457
SHA1 1d47c6367e098842d69eaf56e1316e162eb4c165
SHA512 51da693020aa3e9f1b672573a6d848c876088fee59059689579d3f8f1d1a9eb1c05776fd8a899a8cadf673f3f0a0bec86c564da862e59597ceeb9ec77fbe1f46
SSDEEP 12288:VrCoBaqCS/vQ8vWrwn/t2dYZEYWN8PZ6r2TOjOSu:tBaM/49rPy
TLSH
T1378532F7F1CD12A3254FA7D3A76E2ECDD2A13076CD262597652000C566F3AC6EAED840
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution vipkeylogger keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol
smtp
Host
mail.irdem.com.tr
Port
587
Username
[email protected]
Password
5t37wTu5?
Email to
[email protected]

Signatures

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

Looks up external IP address via web service 1 TTPs 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4224 set thread context of 756	4224	PowerShell.exe	95
PID 4224 set thread context of 4172	4224	PowerShell.exe	100

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4224	PowerShell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2472	756	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 2 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	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
756	aspnet_compiler.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4172	aspnet_compiler.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe
4224	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	PowerShell.exe
Token: SeDebugPrivilege	756	aspnet_compiler.exe
Token: SeDebugPrivilege	4172	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4512	4224	PowerShell.exe	89
PID 4224 wrote to memory of 4564	4224	PowerShell.exe	90
PID 4224 wrote to memory of 5604	4224	PowerShell.exe	91
PID 4224 wrote to memory of 1716	4224	PowerShell.exe	92
PID 4224 wrote to memory of 2980	4224	PowerShell.exe	93
PID 4224 wrote to memory of 756	4224	PowerShell.exe	95
PID 4224 wrote to memory of 756	4224	PowerShell.exe	95
PID 4224 wrote to memory of 756	4224	PowerShell.exe	95
PID 4224 wrote to memory of 756	4224	PowerShell.exe	95
PID 4224 wrote to memory of 756	4224	PowerShell.exe	95
PID 4224 wrote to memory of 4172	4224	PowerShell.exe	100
PID 4224 wrote to memory of 4172	4224	PowerShell.exe	100
PID 4224 wrote to memory of 4172	4224	PowerShell.exe	100
PID 4224 wrote to memory of 4172	4224	PowerShell.exe	100
PID 4224 wrote to memory of 4172	4224	PowerShell.exe	100

C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\acrypted.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:5604
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:1716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2980
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1612
    3⤵
    - Program crash
    PID:2472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 756 -ip 756
1⤵
PID:3008

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/756-21-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/756-29-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/756-28-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/756-27-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/756-25-0x00000000057A0000-0x000000000583C000-memory.dmp

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memory/756-24-0x0000000005D60000-0x000000000631A000-memory.dmp

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memory/756-23-0x00000000751E2000-0x00000000751E3000-memory.dmp

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memory/4172-32-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/4172-31-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/4224-9-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-11-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-14-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-13-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-15-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-16-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-17-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-18-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-19-0x000001C379120000-0x000001C379138000-memory.dmp

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memory/4224-12-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-22-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-10-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-0-0x00007FFD6B33F000-0x00007FFD6B340000-memory.dmp

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memory/4224-8-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-26-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-7-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-6-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-5-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-4-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-3-0x000001C378F90000-0x000001C378FB2000-memory.dmp

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