Malware Analysis Report

2025-06-16 05:39

Sample ID 250519-k7g2hawkt6
Target transfer request_Al Ansari Exchange L.L.C............exe
SHA256 bd9d4a2d5627b27b2e43afd37b07ce6c6b2d64a7017def2020c2c1434eae1a2a
Tags
mofksys discovery worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

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

bd9d4a2d5627b27b2e43afd37b07ce6c6b2d64a7017def2020c2c1434eae1a2a

Threat Level: Known bad

The file transfer request_Al Ansari Exchange L.L.C............exe was found to be: Known bad.

Malicious Activity Summary

mofksys discovery worm

Detects Mofksys worm

Mofksys

Mofksys family

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-19 09:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-19 09:14

Reported

2025-05-19 09:16

Platform

win10v2004-20250502-en

Max time kernel

103s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe"

Signatures

Detects Mofksys worm

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

Mofksys

worm mofksys

Mofksys family

mofksys

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 6116 set thread context of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

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\transfer request_Al Ansari Exchange L.L.C............exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 6116 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 6116 wrote to memory of 3816 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe

"C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
GB 2.18.27.89:443 www.bing.com tcp
GB 2.18.27.89:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp

Files

memory/6116-0-0x000000007530E000-0x000000007530F000-memory.dmp

memory/6116-1-0x0000000000B80000-0x0000000000C70000-memory.dmp

memory/6116-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp

memory/6116-3-0x0000000005550000-0x00000000055E2000-memory.dmp

memory/6116-4-0x0000000005FD0000-0x0000000006324000-memory.dmp

memory/6116-5-0x00000000056F0000-0x00000000056FA000-memory.dmp

memory/6116-6-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/6116-7-0x0000000005A10000-0x0000000005A26000-memory.dmp

memory/6116-8-0x000000007530E000-0x000000007530F000-memory.dmp

memory/6116-9-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/6116-10-0x0000000006B30000-0x0000000006C04000-memory.dmp

memory/6116-11-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

memory/3816-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/3816-14-0x0000000000400000-0x000000000043E000-memory.dmp

memory/6116-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3816-20-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-05-19 09:14

Reported

2025-05-19 09:16

Platform

win11-20250502-en

Max time kernel

101s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe"

Signatures

Detects Mofksys worm

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

Mofksys

worm mofksys

Mofksys family

mofksys

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5144 set thread context of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

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\transfer request_Al Ansari Exchange L.L.C............exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 5144 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe

"C:\Users\Admin\AppData\Local\Temp\transfer request_Al Ansari Exchange L.L.C............exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
SE 23.3.91.157:443 www.bing.com tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
GB 216.58.201.99:80 c.pki.goog tcp

Files

memory/5144-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

memory/5144-1-0x0000000000B30000-0x0000000000C20000-memory.dmp

memory/5144-2-0x0000000005C20000-0x00000000061C6000-memory.dmp

memory/5144-3-0x0000000005570000-0x0000000005602000-memory.dmp

memory/5144-4-0x0000000005670000-0x00000000059C7000-memory.dmp

memory/5144-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

memory/5144-6-0x0000000074B70000-0x0000000075321000-memory.dmp

memory/5144-7-0x0000000005C00000-0x0000000005C16000-memory.dmp

memory/5144-8-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

memory/5144-9-0x0000000074B70000-0x0000000075321000-memory.dmp

memory/5144-10-0x0000000006D10000-0x0000000006DE4000-memory.dmp

memory/5144-11-0x000000000A800000-0x000000000A89C000-memory.dmp

memory/3892-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/3892-14-0x0000000000400000-0x000000000043E000-memory.dmp

memory/5144-19-0x0000000074B70000-0x0000000075321000-memory.dmp

memory/3892-20-0x0000000000400000-0x000000000043E000-memory.dmp