systembc | 6c278ae9867cbc45cc7be476e60e455f525655e872b2a8231d36490262dbb7bb

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 14:08

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General

Target

tmp.exe
Size

2.0MB
MD5

f1fd2b7e551b16db977e670266a1f905
SHA1

7508ad4cbea2e4928c24d58c30bffde57e08b457
SHA256

6c278ae9867cbc45cc7be476e60e455f525655e872b2a8231d36490262dbb7bb
SHA512

c5625741c46b99dc936b9e844c83072ffb8f7e3b8ebcb7629670e9880835fd9b0794b3446193702ad621d9da772da154cc37025e68cab23c076fc9c6ddaec0f2
SSDEEP

49152:w+kVp8hPXfLoABGZLnv5FmANUc9k4LLXW9bYfhof736:wA18ABGZLnv5FeV4/XOYfAz

Score

10^/10

systembc evasion trojan

Malware Config

Extracted

Family

systembc

slavelever.info:4248

slavelevereoewl.info:4248

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

tmp.exetmp.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ tmp.exe
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ tmp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	tmp.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	tmp.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

Processes:

tmp.exetmp.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	tmp.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

tmp.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Wine tmp.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

tmp.exetmp.exe

pid process

516 tmp.exe
3448 tmp.exe
Drops file in Windows directory 2 IoCs

Processes:

tmp.exe

description ioc process

File opened for modification C:\Windows\Tasks\wow64.job tmp.exe
File created C:\Windows\Tasks\wow64.job tmp.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

tmp.exetmp.exe

pid process

516 tmp.exe
516 tmp.exe
3448 tmp.exe
3448 tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Wine	tmp.exe

pid	process
516	tmp.exe
3448	tmp.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\wow64.job	tmp.exe
File created	C:\Windows\Tasks\wow64.job	tmp.exe

pid	process
516	tmp.exe
516	tmp.exe
3448	tmp.exe
3448	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.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
- Suspicious behavior: EnumeratesProcesses
PID:516

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe start
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3448

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/516-132-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/516-133-0x0000000077CA0000-0x0000000077E43000-memory.dmp

Filesize
1.6MB

Download
memory/516-134-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/516-138-0x0000000077CA0000-0x0000000077E43000-memory.dmp

Filesize
1.6MB

Download
memory/516-140-0x0000000077CA0000-0x0000000077E43000-memory.dmp

Filesize
1.6MB

Download
memory/3448-135-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/3448-136-0x0000000077CA0000-0x0000000077E43000-memory.dmp

Filesize
1.6MB

Download
memory/3448-137-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/3448-139-0x0000000077CA0000-0x0000000077E43000-memory.dmp

Filesize
1.6MB

Download