vipkeylogger | f0f181cd31979240cf4cc541dae94214931aedfbb17b852d8871a4946fddb0ca

Analysis

max time kernel
148s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 12:54

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General

Target
Fiyat Teklif Formu.js
Size 56KB
Sample260824-p5a8dsxhpc
SHA256 f0f181cd31979240cf4cc541dae94214931aedfbb17b852d8871a4946fddb0ca
MD5 c3c7b87c6bb58e43e548e24f08eb1f3d
SHA1 5bd2d044dccf34eeee3967c33fc216736183c592
SHA512 18c202966eab7ee1d19457ba2e674dfdac68d64210f629f0f5ed0cd1987c2f4eaf173cb7684cacfa6f3ddda0ac001a91cdaf35b3a0e2715694e37bb24d80af0d
SSDEEP 1536:+/8n5ZTxAYq+WU5/qwB7/T4LX9FfSh5yBkn:+/8n5ZTxAYq+WU5/qwB7/T4LX9Fvan
TLSH
T1D743FC445983794053333B7FA22EA8E4E676076B00814E0BB97CA455AFF1D2DDDF08BA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution vipkeylogger keylogger stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
webmail.ckvsb.com.my
Port
587
Username
[email protected]
Password
Spring99#

Extracted

Family

vipkeylogger

Credentials

Protocol
smtp
Host
webmail.ckvsb.com.my
Port
587
Username
[email protected]
Password
Spring99#
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

Badlisted process makes network request 5 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
3	4256	wscript.exe
6	4256	wscript.exe
8	4256	wscript.exe
9	4256	wscript.exe
10	4256	wscript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Looks up external IP address via web service 1 TTPs 3 IoCs

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

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	reallyfreegeoip.org
2	checkip.dyndns.org
14	reallyfreegeoip.org

ConfuserEx .NET packer 1 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral2/memory/3208-30-0x000001B57B970000-0x000001B57B984000-memory.dmp	ConfuserEx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3208 set thread context of 2308	3208	powershell.exe	96

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3208	powershell.exe

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

System Information Discovery
T1082

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

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
2308	aspnet_compiler.exe
3208	powershell.exe
2308	aspnet_compiler.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3208	powershell.exe
Token: SeDebugPrivilege	2308	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 3208	4256	wscript.exe	89
PID 3208 wrote to memory of 4756	3208	powershell.exe	91
PID 3208 wrote to memory of 3404	3208	powershell.exe	92
PID 3208 wrote to memory of 3236	3208	powershell.exe	93
PID 3208 wrote to memory of 2636	3208	powershell.exe	94
PID 3208 wrote to memory of 1440	3208	powershell.exe	95
PID 3208 wrote to memory of 2308	3208	powershell.exe	96
PID 3208 wrote to memory of 2308	3208	powershell.exe	96
PID 3208 wrote to memory of 2308	3208	powershell.exe	96
PID 3208 wrote to memory of 2308	3208	powershell.exe	96
PID 3208 wrote to memory of 2308	3208	powershell.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Fiyat Teklif Formu.js"
1⤵
- Badlisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -ep bypass -file "C:\Temp\OFL8HKYM.ps1"
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4756
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3404
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2636
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1440
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2308

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

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

OFL8HKYM.ps1

Path C:\Temp\OFL8HKYM.ps1
Size 1.6MB
SHA256 88175698c7e13d4201ac95c91a7714937b41b7891f5c78463d2cb98ba316b28b
MD5 6f34ff99561eb55c6ecbba1b41e6d76c
SHA1 37ee770deb5c27fc7934551b9f4ee56994edcca3
SHA512 20949af98f3ff4057f6e0bbe9af230c2d1cf73ce6f1fd74ea8f7cb9ab29a1eda51f551b2217add765792179fe9c425706b17160ad868845f11af5db59d2f182f
SSDEEP 12288:ALNrawkiplLcgRzJgmJCgSfgySbhb5UMVWs6KCs/TYLTYVTo6GSRwvYz9RHf9mGO:Dw8a2vlXFvb7oQ/g/MhZ
TLSH
T12F7574F9650AEDA6723A083F7047542933B44FA851FF36EA1F247C0419A67D4EE4E43A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2308-33-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2308-43-0x00000000063F0000-0x00000000063FA000-memory.dmp

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memory/2308-42-0x00000000065F0000-0x0000000006682000-memory.dmp

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memory/2308-41-0x0000000006B20000-0x000000000704C000-memory.dmp

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memory/2308-40-0x00000000062C0000-0x0000000006310000-memory.dmp

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memory/2308-39-0x0000000006420000-0x00000000065E2000-memory.dmp

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memory/2308-35-0x0000000005150000-0x00000000051EC000-memory.dmp

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memory/2308-34-0x0000000005710000-0x0000000005CCA000-memory.dmp

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memory/3208-29-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-23-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-26-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-27-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-28-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-13-0x00007FFDAF6AF000-0x00007FFDAF6B0000-memory.dmp

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memory/3208-30-0x000001B57B970000-0x000001B57B984000-memory.dmp

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memory/3208-31-0x000001B57B980000-0x000001B57B986000-memory.dmp

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memory/3208-24-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-25-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-21-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-36-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-37-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-38-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-20-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-18-0x000001B57B9A0000-0x000001B57B9C2000-memory.dmp

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memory/3208-19-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-17-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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memory/3208-16-0x00007FFDAF520000-0x00007FFDAFEC4000-memory.dmp

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