systembc | 57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c

Analysis

max time kernel
159s
max time network
296s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
21-12-2022 22:17

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General

Target

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
Size

2.2MB
MD5

f6232a2ae8c13154c0b635900e5d5606
SHA1

3dc773c2edc6dacb581be6ac37e404a091bae760
SHA256

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c
SHA512

8902664b973efd46e56d12f151257bd8988d79ecafa32ee136b171979dac138b7ee98e45b9361f499916013a1fd37572360e6f88cc1fa24d81617328dd6d2ebd
SSDEEP

49152:SIaJIbJosoFb+OX3z1Ek8fBI361rMKuWjRzyzSbxkq1DfDE:5aJIbKVFbd61rMKuWNyzykq1jI

Score

10^/10

systembc evasion trojan

Malware Config

Extracted

Family

systembc

cryptotab.me:4001

portexcloud.xyz:4001

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 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exefocj.exefocj.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	focj.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	focj.exe

Executes dropped EXE 2 IoCs

Processes:

focj.exefocj.exe

pid process

4684 focj.exe
2940 focj.exe

pid	process
4684	focj.exe
2940	focj.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

focj.exefocj.exe57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	focj.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	focj.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	focj.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	focj.exe

Identifies Wine through registry keys 2 TTPs 3 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:

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exefocj.exefocj.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Wine	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Wine	focj.exe
Key opened	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Wine	focj.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exefocj.exefocj.exe

pid process

2700 57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
4684 focj.exe
2940 focj.exe

Drops file in Windows directory 2 IoCs

Processes:

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe

description	ioc	process
File created	C:\Windows\Tasks\focj.job	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
File opened for modification	C:\Windows\Tasks\focj.job	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exefocj.exefocj.exe

pid	process
2700	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
2700	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
2700	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
2700	57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
4684	focj.exe
4684	focj.exe
2940	focj.exe
2940	focj.exe

C:\Users\Admin\AppData\Local\Temp\57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.exe
"C:\Users\Admin\AppData\Local\Temp\57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c.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:2700

C:\ProgramData\mrek\focj.exe
C:\ProgramData\mrek\focj.exe start2
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:4684

C:\ProgramData\mrek\focj.exe
C:\ProgramData\mrek\focj.exe start2
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:2940

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

Replay Monitor

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Downloads

C:\ProgramData\mrek\focj.exe
Filesize
2.2MB

MD5
f6232a2ae8c13154c0b635900e5d5606

SHA1
3dc773c2edc6dacb581be6ac37e404a091bae760

SHA256
57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c

SHA512
8902664b973efd46e56d12f151257bd8988d79ecafa32ee136b171979dac138b7ee98e45b9361f499916013a1fd37572360e6f88cc1fa24d81617328dd6d2ebd

Download Submit
C:\ProgramData\mrek\focj.exe
Filesize
2.2MB

MD5
f6232a2ae8c13154c0b635900e5d5606

SHA1
3dc773c2edc6dacb581be6ac37e404a091bae760

SHA256
57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c

SHA512
8902664b973efd46e56d12f151257bd8988d79ecafa32ee136b171979dac138b7ee98e45b9361f499916013a1fd37572360e6f88cc1fa24d81617328dd6d2ebd

Download Submit
C:\ProgramData\mrek\focj.exe
Filesize
2.2MB

MD5
f6232a2ae8c13154c0b635900e5d5606

SHA1
3dc773c2edc6dacb581be6ac37e404a091bae760

SHA256
57fe3c34a73768fce9e42473532850c03b47eddcdf878a3afb14318aaacd6b0c

SHA512
8902664b973efd46e56d12f151257bd8988d79ecafa32ee136b171979dac138b7ee98e45b9361f499916013a1fd37572360e6f88cc1fa24d81617328dd6d2ebd

Download Submit
memory/2700-151-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-123-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-120-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-121-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-122-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-153-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-125-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-124-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/2700-126-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-127-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-154-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-129-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-130-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-131-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-132-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-133-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-134-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-135-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-136-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-137-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-138-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-139-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-140-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-141-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-142-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-143-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-144-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-145-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-146-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-152-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-148-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-149-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-150-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-115-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-147-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-119-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-128-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-155-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-156-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-157-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-158-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-159-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-160-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-163-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/2700-162-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-164-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-161-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-165-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-166-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-167-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-168-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-118-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-116-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-117-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2940-239-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/2940-257-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/4684-176-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-175-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/4684-177-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-171-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-181-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-174-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-172-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-180-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-182-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-183-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-214-0x0000000000400000-0x00000000009E0000-memory.dmp

Filesize
5.9MB

Download
memory/4684-170-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-173-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/4684-179-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download