Malware Analysis Report

2025-04-03 09:32

Sample ID 250305-ata1xstxax
Target reloadrive.exe
SHA256 dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d

Threat Level: Known bad

The file reloadrive.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)

Executes dropped EXE

Identifies Wine through registry keys

Checks BIOS information in registry

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

2025-03-05 00:29

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-05 00:29

Reported

2025-03-05 00:32

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

150s

Command Line

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\crjduwi\sdna.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Wine C:\ProgramData\crjduwi\sdna.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
N/A N/A C:\ProgramData\crjduwi\sdna.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\reloadrive.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\reloadrive.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\crjduwi\sdna.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
N/A N/A C:\ProgramData\crjduwi\sdna.exe N/A
N/A N/A C:\ProgramData\crjduwi\sdna.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\reloadrive.exe

"C:\Users\Admin\AppData\Local\Temp\reloadrive.exe"

C:\ProgramData\crjduwi\sdna.exe

C:\ProgramData\crjduwi\sdna.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 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 towerbingobongoboom.com udp
US 213.209.150.137:4000 towerbingobongoboom.com tcp
US 213.209.150.137:4648 towerbingobongoboom.com tcp

Files

memory/3852-0-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-1-0x00000000778A4000-0x00000000778A6000-memory.dmp

memory/3852-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/3852-3-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-6-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-7-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-8-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-10-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-9-0x0000000000400000-0x0000000000823000-memory.dmp

C:\ProgramData\crjduwi\sdna.exe

MD5 8c767708c9a9554c0afb504629e75ffd
SHA1 c65394806c0f77af880c7ff8a021bd4222ca3f11
SHA256 dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
SHA512 f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16

memory/5016-13-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-14-0x0000000000400000-0x0000000000823000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 adbe12bba1e96d924c7cc6ee09248d1b
SHA1 a9541a332c9485813213f3e30965f43d33aca0eb
SHA256 90df288e982d4d20e2ab7af3957ce3c38ccb6d61749ab15c4dcc5f70c7b0e201
SHA512 822ed24a1e60d25c7f891f1dce740272750c040dc037f6c5ec45ebe3a318070aba3a542b2ed762c9d932be8df7d6f829b1c3457ad812d3bc27c6820809948380

memory/5016-16-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-17-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-18-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-19-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-21-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-20-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-22-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-23-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-24-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-25-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-26-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-27-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-28-0x0000000000400000-0x0000000000823000-memory.dmp

memory/3852-29-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-30-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-31-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-32-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-33-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-34-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-35-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-36-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-37-0x0000000000400000-0x0000000000823000-memory.dmp

memory/5016-38-0x0000000000400000-0x0000000000823000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-05 00:29

Reported

2025-03-05 00:32

Platform

win7-20240903-en

Max time kernel

141s

Max time network

144s

Command Line

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\ufnudqr\omlmo.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine C:\ProgramData\ufnudqr\omlmo.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
N/A N/A C:\ProgramData\ufnudqr\omlmo.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\reloadrive.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\ufnudqr\omlmo.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\reloadrive.exe N/A
N/A N/A C:\ProgramData\ufnudqr\omlmo.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2860 wrote to memory of 2736 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ufnudqr\omlmo.exe
PID 2860 wrote to memory of 2736 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ufnudqr\omlmo.exe
PID 2860 wrote to memory of 2736 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ufnudqr\omlmo.exe
PID 2860 wrote to memory of 2736 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\ufnudqr\omlmo.exe

Processes

C:\Users\Admin\AppData\Local\Temp\reloadrive.exe

"C:\Users\Admin\AppData\Local\Temp\reloadrive.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {E09CA456-7B57-4529-AF6D-D4D5C1EEFC53} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]

C:\ProgramData\ufnudqr\omlmo.exe

C:\ProgramData\ufnudqr\omlmo.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 213.209.150.137:4647 towerbingobongoboom.com tcp

Files

memory/2412-0-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-1-0x0000000076F30000-0x0000000076F32000-memory.dmp

memory/2412-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/2412-4-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-6-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-7-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-8-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-9-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-12-0x0000000000400000-0x0000000000823000-memory.dmp

C:\ProgramData\ufnudqr\omlmo.exe

MD5 8c767708c9a9554c0afb504629e75ffd
SHA1 c65394806c0f77af880c7ff8a021bd4222ca3f11
SHA256 dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
SHA512 f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16

memory/2736-13-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-15-0x0000000000400000-0x0000000000823000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 3dfa961adf53d5c79dd6cefcba0d217d
SHA1 8b9035f3a2fecf61bc3170e3f86148f318aff4d1
SHA256 bf7dd25e281c75360f705948a5ea869bc4d8f6ca3081e4adb2fc6605b5dda5e6
SHA512 58e9d7795e1f1d0e829112bb414651040dc9d226b25abbff96f3067e5ade924aceb291a6910e3b4dff52249d2a1ed194665d22f3fbc15e836497473525875aba

memory/2736-16-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-17-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-18-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-19-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-20-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-21-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-22-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-23-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-24-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-25-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-26-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-27-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2412-29-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-30-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-31-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-32-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-33-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-34-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-35-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-36-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-37-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-38-0x0000000000400000-0x0000000000823000-memory.dmp

memory/2736-39-0x0000000000400000-0x0000000000823000-memory.dmp