Malware Analysis Report

2025-04-03 09:10

Sample ID 250225-a68gyszkt9
Target 6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe
SHA256 6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2
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

6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2

Threat Level: Known bad

The file 6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe was found to be: Known bad.

Malicious Activity Summary

systembc defense_evasion discovery trojan

Systembc family

SystemBC

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

Executes dropped EXE

Checks BIOS information in registry

Identifies Wine through registry keys

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-25 00:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-25 00:50

Reported

2025-02-25 00:52

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\ProgramData\iknsv\ldts.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\ProgramData\iknsv\ldts.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\ProgramData\iknsv\ldts.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\iknsv\ldts.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine C:\ProgramData\iknsv\ldts.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
N/A N/A C:\ProgramData\iknsv\ldts.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\iknsv\ldts.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
N/A N/A C:\ProgramData\iknsv\ldts.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2832 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\iknsv\ldts.exe
PID 2832 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\iknsv\ldts.exe
PID 2832 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\iknsv\ldts.exe
PID 2832 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\iknsv\ldts.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe

"C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {A9271D28-852D-487A-98DC-51CD52654714} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]

C:\ProgramData\iknsv\ldts.exe

C:\ProgramData\iknsv\ldts.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 wodresomdaymomentum.org udp
US 99.83.175.80:4000 wodresomdaymomentum.org tcp

Files

memory/2280-0-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-1-0x00000000775A0000-0x00000000775A2000-memory.dmp

memory/2280-2-0x0000000000401000-0x0000000000406000-memory.dmp

memory/2280-4-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-6-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-7-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-8-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-9-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-10-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-13-0x0000000000400000-0x0000000000870000-memory.dmp

C:\ProgramData\iknsv\ldts.exe

MD5 34005a456008526d8ead55068536b897
SHA1 0fcbe56a040be9d7258438eabcd4699ead824819
SHA256 6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2
SHA512 0d97f25fa20170f92dbe129f126e724afac79a8f230f4016a18a0bc42e82cd7e6a49be670a53621be8cd99783ea6fdf8f748185fca9c7b8a13dc6037cc658bb4

memory/2596-14-0x0000000000400000-0x0000000000870000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 cfb06468e36c6599c3ae0b9e97eac80f
SHA1 c8cc3fa5a03252f18546da75d801bb4e3194977e
SHA256 07eeddb2fa6ed5c234ad54dbd990a86f4c4f7b384ebe23c9440194caacfb0bfb
SHA512 1010cf74b9e52b9de34cd08186b1ecd9a601a4a9314409444d6a3a890873419d325dfba1929a921a640c7d605e2282f19e6a1ed2fff7b6609292d362ae076cf9

memory/2596-16-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-17-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-18-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-19-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-20-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-21-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-22-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-23-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-24-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-25-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-26-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2280-28-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-29-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-30-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-32-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-33-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-34-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-35-0x0000000000400000-0x0000000000870000-memory.dmp

memory/2596-36-0x0000000000400000-0x0000000000870000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-25 00:50

Reported

2025-02-25 00:52

Platform

win10v2004-20250217-en

Max time kernel

112s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.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:\ProgramData\diowiwt\lxmdtip.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\ProgramData\diowiwt\lxmdtip.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\ProgramData\diowiwt\lxmdtip.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\diowiwt\lxmdtip.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Wine C:\ProgramData\diowiwt\lxmdtip.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
N/A N/A C:\ProgramData\diowiwt\lxmdtip.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.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\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\diowiwt\lxmdtip.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe

"C:\Users\Admin\AppData\Local\Temp\6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2.exe"

C:\ProgramData\diowiwt\lxmdtip.exe

C:\ProgramData\diowiwt\lxmdtip.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 wodresomdaymomentum.org udp
US 99.83.175.80:4000 wodresomdaymomentum.org tcp

Files

memory/312-0-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-1-0x0000000077794000-0x0000000077796000-memory.dmp

memory/312-3-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-2-0x0000000000401000-0x0000000000406000-memory.dmp

memory/312-6-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-7-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-8-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-9-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-10-0x0000000000400000-0x0000000000870000-memory.dmp

C:\ProgramData\diowiwt\lxmdtip.exe

MD5 34005a456008526d8ead55068536b897
SHA1 0fcbe56a040be9d7258438eabcd4699ead824819
SHA256 6443c4d6d9d0f7fd12cae5c73ae7c57e1be4ebb1dcd272aa99cab1c7e9e3abd2
SHA512 0d97f25fa20170f92dbe129f126e724afac79a8f230f4016a18a0bc42e82cd7e6a49be670a53621be8cd99783ea6fdf8f748185fca9c7b8a13dc6037cc658bb4

memory/752-13-0x0000000000400000-0x0000000000870000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 7ceacdafe6bf532d1e9b43d8b09557ee
SHA1 5bd79f3b63da7d23ce2ae5599be3c92728bf504b
SHA256 e389e67bb9e1ab005c61975259ca427531fd61aad9ab2763b25c8a5bb1a68f4c
SHA512 8ff6e115a5f0ebb93eea04f2d65d082a2f23ea8fe2aa42f1901dbf408f7e6c13057ab6b130abf238bc97e5b67bc16b30191759971ed08f053b00fae84a080552

memory/752-15-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-16-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-17-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-18-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-19-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-20-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-21-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-22-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-23-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-24-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-25-0x0000000000400000-0x0000000000870000-memory.dmp

memory/312-27-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-28-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-29-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-30-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-31-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-32-0x0000000000400000-0x0000000000870000-memory.dmp

memory/752-33-0x0000000000400000-0x0000000000870000-memory.dmp