systembc | bfe4b4df28361cf5ef899f834fefed90d282995621018ac8215c04ca2cfe571f

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2025, 22:39

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General

Target

reloadrive.exe
Size

1.6MB
MD5

8c767708c9a9554c0afb504629e75ffd
SHA1

c65394806c0f77af880c7ff8a021bd4222ca3f11
SHA256

dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
SHA512

f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16
SSDEEP

49152:R1aqCQ3KKia9icS8P80nPIIXQocVHmir6QmEGmNyRzs3Xn:R1aA37ia9iJ800QIXQocVHoEGV0

Score

10^/10

systembc defense_evasion discovery trojan

Malware Config

Extracted

Family

systembc

towerbingobongoboom.com

62.60.226.86

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Systembc family
systembc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	reloadrive.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	teaut.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	reloadrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	reloadrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	teaut.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	teaut.exe

Executes dropped EXE 1 IoCs

pid	Process
3664	teaut.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Wine	teaut.exe
Key opened	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Wine	reloadrive.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4684	reloadrive.exe
3664	teaut.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	reloadrive.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reloadrive.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	teaut.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4684	reloadrive.exe
4684	reloadrive.exe
3664	teaut.exe
3664	teaut.exe

C:\Users\Admin\AppData\Local\Temp\reloadrive.exe
"C:\Users\Admin\AppData\Local\Temp\reloadrive.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- 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
PID:4684

C:\ProgramData\cipoaxj\teaut.exe
C:\ProgramData\cipoaxj\teaut.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\cipoaxj\teaut.exe

Filesize
1.6MB

MD5
8c767708c9a9554c0afb504629e75ffd

SHA1
c65394806c0f77af880c7ff8a021bd4222ca3f11

SHA256
dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d

SHA512
f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
238B

MD5
189fdd2efa0b207a0c99abdb120a6f57

SHA1
ed2e0ead806e72f6cb8abc2562002d53a9f75159

SHA256
55706c8ca9cae62114fa37eab5da618d7a436bd4f5d237544df54769bfbf21b9

SHA512
f5741bf9eb5ccc69fc11cb92c6d17b24901819adf6812b0bb0536e174147e21709ce2b0eff9f3443a6d01cb7e8b578283746fd013e32c57b6588971f4ab96b3e

Download Submit
memory/3664-28-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-21-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-36-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-35-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-34-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-33-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-32-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-31-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-13-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-30-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-15-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-29-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-17-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-18-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-25-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-19-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/3664-23-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-10-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-7-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-24-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-3-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-26-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-22-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-2-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4684-1-0x00000000779C4000-0x00000000779C6000-memory.dmp

Filesize
8KB

Download
memory/4684-20-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-16-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-9-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-8-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-0-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4684-6-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download