Malware Analysis Report

2025-05-28 14:55

Sample ID 241209-b4khsaxmfs
Target 5b6955b40c450b03be011b795c8034d211f84ddf4e67e55711d0c86bb92f582a
SHA256 5b6955b40c450b03be011b795c8034d211f84ddf4e67e55711d0c86bb92f582a
Tags
vipkeylogger collection discovery keylogger stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5b6955b40c450b03be011b795c8034d211f84ddf4e67e55711d0c86bb92f582a

Threat Level: Known bad

The file 5b6955b40c450b03be011b795c8034d211f84ddf4e67e55711d0c86bb92f582a was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery keylogger stealer

VIPKeylogger

Vipkeylogger family

Loads dropped DLL

Drops startup file

Executes dropped EXE

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Browser Information Discovery

System Location Discovery: System Language Discovery

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-09 01:41

Signatures

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-09 01:41

Reported

2024-12-09 01:44

Platform

win7-20240903-en

Max time kernel

117s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\toggeries.vbs C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2724 set thread context of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2720 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe
PID 2720 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe
PID 2720 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe
PID 2720 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2724 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2720-6-0x0000000000A40000-0x0000000000E40000-memory.dmp

\Users\Admin\AppData\Local\Thebesian\toggeries.exe

MD5 d721eab396039744df30c1c4ac89386e
SHA1 db06bcb42971088989f20c795e484611b37b35b0
SHA256 f800b332a02989cb73f92d0b58f9658f7f5389be1a966670c507ccbd32c31ce7
SHA512 aab9f2ea6979d26df263378e629ff9058652c3622bda8c913968dd45c461d546cf1cbc337387ee344109f0273248476c44640b0e9f14deba944c92fac1f8e226

C:\Users\Admin\AppData\Local\Temp\molecast

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2724-20-0x0000000000840000-0x0000000000C40000-memory.dmp

memory/2496-22-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2496-26-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2496-24-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2496-27-0x000000007456E000-0x000000007456F000-memory.dmp

memory/2496-28-0x0000000074560000-0x0000000074C4E000-memory.dmp

memory/2496-29-0x000000007456E000-0x000000007456F000-memory.dmp

memory/2496-30-0x0000000074560000-0x0000000074C4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-09 01:41

Reported

2024-12-09 01:44

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\toggeries.vbs C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1980 set thread context of 4668 N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1928-6-0x0000000001490000-0x0000000001890000-memory.dmp

C:\Users\Admin\AppData\Local\Thebesian\toggeries.exe

MD5 d721eab396039744df30c1c4ac89386e
SHA1 db06bcb42971088989f20c795e484611b37b35b0
SHA256 f800b332a02989cb73f92d0b58f9658f7f5389be1a966670c507ccbd32c31ce7
SHA512 aab9f2ea6979d26df263378e629ff9058652c3622bda8c913968dd45c461d546cf1cbc337387ee344109f0273248476c44640b0e9f14deba944c92fac1f8e226

C:\Users\Admin\AppData\Local\Temp\molecast

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1980-18-0x0000000001150000-0x0000000001550000-memory.dmp

memory/4668-20-0x0000000000530000-0x0000000000578000-memory.dmp

memory/4668-21-0x000000007534E000-0x000000007534F000-memory.dmp

memory/4668-22-0x00000000050D0000-0x0000000005674000-memory.dmp

memory/4668-23-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

memory/4668-24-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/4668-25-0x000000007534E000-0x000000007534F000-memory.dmp

memory/4668-26-0x0000000006050000-0x0000000006212000-memory.dmp

memory/4668-27-0x0000000005ED0000-0x0000000005F20000-memory.dmp

memory/4668-28-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/4668-29-0x0000000006220000-0x00000000062B2000-memory.dmp

memory/4668-30-0x0000000005FE0000-0x0000000005FEA000-memory.dmp