systembc | 6c278ae9867cbc45cc7be476e60e455f525655e872b2a8231d36490262dbb7bb

Analysis

max time kernel
112s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 07:40

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General

Target

f1fd2b7e551b16db977e670266a1f905.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:

f1fd2b7e551b16db977e670266a1f905.exef1fd2b7e551b16db977e670266a1f905.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f1fd2b7e551b16db977e670266a1f905.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f1fd2b7e551b16db977e670266a1f905.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:

f1fd2b7e551b16db977e670266a1f905.exef1fd2b7e551b16db977e670266a1f905.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f1fd2b7e551b16db977e670266a1f905.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f1fd2b7e551b16db977e670266a1f905.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f1fd2b7e551b16db977e670266a1f905.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f1fd2b7e551b16db977e670266a1f905.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:

f1fd2b7e551b16db977e670266a1f905.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Wine f1fd2b7e551b16db977e670266a1f905.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

f1fd2b7e551b16db977e670266a1f905.exef1fd2b7e551b16db977e670266a1f905.exe

pid process

5104 f1fd2b7e551b16db977e670266a1f905.exe
4444 f1fd2b7e551b16db977e670266a1f905.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Wine	f1fd2b7e551b16db977e670266a1f905.exe

Drops file in Windows directory 2 IoCs

Processes:

f1fd2b7e551b16db977e670266a1f905.exe

description	ioc	process
File created	C:\Windows\Tasks\wow64.job	f1fd2b7e551b16db977e670266a1f905.exe
File opened for modification	C:\Windows\Tasks\wow64.job	f1fd2b7e551b16db977e670266a1f905.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f1fd2b7e551b16db977e670266a1f905.exef1fd2b7e551b16db977e670266a1f905.exe

pid	process
5104	f1fd2b7e551b16db977e670266a1f905.exe
5104	f1fd2b7e551b16db977e670266a1f905.exe
4444	f1fd2b7e551b16db977e670266a1f905.exe
4444	f1fd2b7e551b16db977e670266a1f905.exe

C:\Users\Admin\AppData\Local\Temp\f1fd2b7e551b16db977e670266a1f905.exe
"C:\Users\Admin\AppData\Local\Temp\f1fd2b7e551b16db977e670266a1f905.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:5104

C:\Users\Admin\AppData\Local\Temp\f1fd2b7e551b16db977e670266a1f905.exe
C:\Users\Admin\AppData\Local\Temp\f1fd2b7e551b16db977e670266a1f905.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:4444

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/4444-135-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/4444-136-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/4444-138-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/4444-139-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/5104-132-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/5104-133-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/5104-134-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/5104-137-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/5104-140-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download