Malware Analysis Report

2025-04-03 09:16

Sample ID 250303-c7t23avjy2
Target 833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe
SHA256 833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971
Tags
systembc defense_evasion discovery trojan
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

833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971

Threat Level: Known bad

The file 833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe was found to be: Known bad.

Malicious Activity Summary

systembc defense_evasion discovery trojan

SystemBC

Systembc family

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Identifies Wine through registry keys

Executes dropped EXE

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-03 02:43

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-03 02:43

Reported

2025-03-03 02:46

Platform

win7-20240903-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe"

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\ProgramData\ppsmwr\ffhki.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\ProgramData\ppsmwr\ffhki.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\ProgramData\ppsmwr\ffhki.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\ppsmwr\ffhki.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine C:\ProgramData\ppsmwr\ffhki.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
N/A N/A C:\ProgramData\ppsmwr\ffhki.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\Test Task17.job C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A

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\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\ppsmwr\ffhki.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
N/A N/A C:\ProgramData\ppsmwr\ffhki.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 744 wrote to memory of 2836 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ppsmwr\ffhki.exe
PID 744 wrote to memory of 2836 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ppsmwr\ffhki.exe
PID 744 wrote to memory of 2836 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ppsmwr\ffhki.exe
PID 744 wrote to memory of 2836 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ppsmwr\ffhki.exe

Processes

C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe

"C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {DCAEE958-555E-4AD1-9C22-5D4D1F08B70B} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]

C:\ProgramData\ppsmwr\ffhki.exe

C:\ProgramData\ppsmwr\ffhki.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 towerbingobongoboom.com udp
US 213.209.150.137:4000 towerbingobongoboom.com tcp
US 213.209.150.137:4458 towerbingobongoboom.com tcp

Files

memory/2152-0-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-1-0x00000000777C0000-0x00000000777C2000-memory.dmp

memory/2152-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/2152-4-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-6-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-7-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-8-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-9-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-10-0x0000000000400000-0x0000000000856000-memory.dmp

C:\ProgramData\ppsmwr\ffhki.exe

MD5 9218e5cad03c752f237ed87a9e52def4
SHA1 0ccddab0d87776d78c613c6e7a6f3bce93ffc3d3
SHA256 833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971
SHA512 4ca94c23bf82bee5ff5a7f7e318e99c084f7403cdc2e23276087f55620f9e9f988a7a6816fedcd2f853a21fe645c3cc89f7b2f6f05f792b549fd698fd14f5cb3

memory/2836-13-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-14-0x0000000000400000-0x0000000000856000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 92b547dfa01ca94e821f778883dcc5d5
SHA1 3fca5c315dda2de0aa5a49be88684097fe244b8e
SHA256 d900686037976d9a646e73b7107f43025b992d47519811e2256332fcefd255e6
SHA512 a64597a18693885a9a5f4a57239cfd87e6ca1fed9ab6e70ccf5c1e19dd33ad065135db3043a9479a8f85067343e6745c79b7b9bf6cdeece90476f51c0cff1c91

memory/2836-16-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-17-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-18-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-19-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-20-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-21-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-22-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-23-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-24-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-25-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-26-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2152-28-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-29-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-30-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-32-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-34-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-33-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-35-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-36-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-37-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-38-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2836-39-0x0000000000400000-0x0000000000856000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-03 02:43

Reported

2025-03-03 02:46

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe"

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\ProgramData\qhxrj\rvcj.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\ProgramData\qhxrj\rvcj.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\ProgramData\qhxrj\rvcj.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\qhxrj\rvcj.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Wine C:\ProgramData\qhxrj\rvcj.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A
N/A N/A C:\ProgramData\qhxrj\rvcj.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\Test Task17.job C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\qhxrj\rvcj.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe

"C:\Users\Admin\AppData\Local\Temp\833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971.exe"

C:\ProgramData\qhxrj\rvcj.exe

C:\ProgramData\qhxrj\rvcj.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 towerbingobongoboom.com udp
US 213.209.150.137:4000 towerbingobongoboom.com tcp
US 213.209.150.137:4784 towerbingobongoboom.com tcp
US 150.171.27.10:443 g.bing.com tcp
US 150.171.27.10:443 g.bing.com tcp
US 150.171.27.10:443 g.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

Files

memory/4920-0-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-1-0x0000000077924000-0x0000000077926000-memory.dmp

memory/4920-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/4920-3-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-6-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-7-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-8-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-9-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-10-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-11-0x0000000000400000-0x0000000000856000-memory.dmp

C:\ProgramData\qhxrj\rvcj.exe

MD5 9218e5cad03c752f237ed87a9e52def4
SHA1 0ccddab0d87776d78c613c6e7a6f3bce93ffc3d3
SHA256 833610e95cc965e70096620e0adaa8917963df9f9ec56e00af1ff331161a7971
SHA512 4ca94c23bf82bee5ff5a7f7e318e99c084f7403cdc2e23276087f55620f9e9f988a7a6816fedcd2f853a21fe645c3cc89f7b2f6f05f792b549fd698fd14f5cb3

memory/2320-14-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-15-0x0000000000400000-0x0000000000856000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 c93408208e7b596016bfd0c2a616a537
SHA1 3a176d3ed85dc2b3063dad76c1426aac61bf170a
SHA256 c938afe4827ad9b34e0ded9210ff9a77dfe489eb1a26c6ae648d20defcf8a36b
SHA512 df2cfcc9276f42d7683c9f8a00d379f3edb09b418468925607eb531e1dfaaffbb721577c626539dd693f936ee4275c5d01eae631aaaac0b2050ed825136c21eb

memory/4920-17-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-18-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-19-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-20-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-21-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-22-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-23-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-24-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-25-0x0000000000400000-0x0000000000856000-memory.dmp

memory/4920-27-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-28-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-29-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-30-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-31-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-32-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-33-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-34-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-35-0x0000000000400000-0x0000000000856000-memory.dmp

memory/2320-36-0x0000000000400000-0x0000000000856000-memory.dmp