Malware Analysis Report

2025-05-06 01:34

Sample ID 241116-jfbvqssdnd
Target 5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe
SHA256 5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b
Tags
collection discovery
score
7/10

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
7/10

SHA256

5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b

Threat Level: Shows suspicious behavior

The file 5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection discovery

Loads dropped DLL

Executes dropped EXE

Drops startup file

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 07:36

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

2024-11-16 07:36

Reported

2024-11-16 07:38

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

Signatures

Drops startup file

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

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\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 2508 set thread context of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\Fonda\Bohmerwald.exe N/A
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\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.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 2420 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe
PID 2420 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe
PID 2420 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe
PID 2420 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2508 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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-1-5-21-3533259084-2542256011-65585152-1000\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\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

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

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp

Files

memory/2420-6-0x00000000007D0000-0x0000000000BD0000-memory.dmp

\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe

MD5 7ff7fe2c6873fe797424222a0b5870e4
SHA1 d6667dffbf6623ee8e6c3a081243725250d9113d
SHA256 5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b
SHA512 cc1c7bcfe8fe67d6b3664c519464751816db2fc1fff48a57be7bdadf563eaa55129687f975c234888e771052844223228c63fca4b8711a380c42021327014264

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2508-20-0x00000000007D0000-0x0000000000BD0000-memory.dmp

memory/2800-22-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2800-26-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2800-24-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2800-27-0x000000007491E000-0x000000007491F000-memory.dmp

memory/2800-28-0x0000000074910000-0x0000000074FFE000-memory.dmp

memory/2800-29-0x000000007491E000-0x000000007491F000-memory.dmp

memory/2800-30-0x0000000074910000-0x0000000074FFE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-16 07:36

Reported

2024-11-16 07:38

Platform

win10v2004-20241007-en

Max time kernel

103s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

Signatures

Drops startup file

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

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\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 3228 set thread context of 2064 N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.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-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\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\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

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

"C:\Users\Admin\AppData\Local\Temp\5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.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
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/2816-6-0x00000000011C0000-0x00000000015C0000-memory.dmp

C:\Users\Admin\AppData\Local\Fonda\Bohmerwald.exe

MD5 7ff7fe2c6873fe797424222a0b5870e4
SHA1 d6667dffbf6623ee8e6c3a081243725250d9113d
SHA256 5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b
SHA512 cc1c7bcfe8fe67d6b3664c519464751816db2fc1fff48a57be7bdadf563eaa55129687f975c234888e771052844223228c63fca4b8711a380c42021327014264

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

MD5 ac298e33ec8d28eebdef77dd78055100
SHA1 724b420cd53ede6d20c06091ef6f93595cc526e4
SHA256 258bc185214703ef73acb225c39ccd845ee8d267ca019e25db5bf4c95305996d
SHA512 a4a9339c5456e4f7e71042cad50c4ef8f6129cace8f5965cc8817e591ea3d396afeafa2ba54877b8018233d26f81db2a909553d55828e7c4c0a34831148b25ab

memory/3228-18-0x00000000009F0000-0x0000000000DF0000-memory.dmp

memory/2064-20-0x00000000005C0000-0x00000000005DE000-memory.dmp

memory/2064-21-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

memory/2064-22-0x00000000050D0000-0x0000000005674000-memory.dmp

memory/2064-23-0x0000000004C00000-0x0000000004C9C000-memory.dmp

memory/2064-24-0x0000000073C10000-0x00000000743C0000-memory.dmp

memory/2064-25-0x0000000005CA0000-0x0000000005D32000-memory.dmp

memory/2064-26-0x0000000005C50000-0x0000000005CA0000-memory.dmp

memory/2064-27-0x0000000006010000-0x00000000061D2000-memory.dmp

memory/2064-28-0x0000000005FB0000-0x0000000005FBA000-memory.dmp

memory/2064-29-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

memory/2064-30-0x0000000073C10000-0x00000000743C0000-memory.dmp