systembc | b05ae489ebc56747d5708c65b24c5c04dd452869ef03f855cad33d8123803476

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 12:00

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General

Target

blueray.exe
Size

1006KB
MD5

40c22e416829906744c2e2d94b0fdf5e
SHA1

daa5651c1cd52872cacc5eeeb44bd7dddef6fea7
SHA256

32884fafa27c7be2061d9768881df825092c3a56346faee6e33e110467bc8127
SHA512

c825715f6ce2e445041e00301c0eb358a06633760a6d017754c4847b40dcc1269afc0cc5e35c8f6e7a38a4cc0c760ff687d3ce7f0e567804ab805a6c9c328885
SSDEEP

24576:z3rnRJ6EqzwJyxNcv5siIq5UNjiX8IRRx:PnH6Sg6XnSIvx

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

wodresomdaymomentum.org

Attributes

dns
5.132.191.104

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 4812 created 3452	4812	blueray.exe	56
PID 1820 created 3452	1820	ogxtfx.exe	56

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vmwin.vbs	blueray.exe

Executes dropped EXE 3 IoCs

pid	Process
1820	ogxtfx.exe
4668	ogxtfx.exe
1420	ogxtfx.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 3344	4812	blueray.exe	97
PID 1820 set thread context of 4668	1820	ogxtfx.exe	103

Drops file in Windows directory 1 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 5 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	blueray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blueray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogxtfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogxtfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogxtfx.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	blueray.exe
1820	ogxtfx.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	blueray.exe
Token: SeDebugPrivilege	4812	blueray.exe
Token: SeDebugPrivilege	1820	ogxtfx.exe
Token: SeDebugPrivilege	1820	ogxtfx.exe
Token: SeDebugPrivilege	1420	ogxtfx.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 4812 wrote to memory of 3344	4812	blueray.exe	97
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103
PID 1820 wrote to memory of 4668	1820	ogxtfx.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Users\Admin\AppData\Local\Temp\blueray.exe
  "C:\Users\Admin\AppData\Local\Temp\blueray.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4812
- C:\Users\Admin\AppData\Local\Temp\blueray.exe
  "C:\Users\Admin\AppData\Local\Temp\blueray.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3344
- C:\ProgramData\optagid\ogxtfx.exe
  "C:\ProgramData\optagid\ogxtfx.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4668

C:\ProgramData\optagid\ogxtfx.exe
C:\ProgramData\optagid\ogxtfx.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820

C:\ProgramData\optagid\ogxtfx.exe
C:\ProgramData\optagid\ogxtfx.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\optagid\ogxtfx.exe

Filesize
1006KB

MD5
40c22e416829906744c2e2d94b0fdf5e

SHA1
daa5651c1cd52872cacc5eeeb44bd7dddef6fea7

SHA256
32884fafa27c7be2061d9768881df825092c3a56346faee6e33e110467bc8127

SHA512
c825715f6ce2e445041e00301c0eb358a06633760a6d017754c4847b40dcc1269afc0cc5e35c8f6e7a38a4cc0c760ff687d3ce7f0e567804ab805a6c9c328885

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

Filesize
240B

MD5
dccc669f720abad32d233024d3822061

SHA1
b39dcd9dd2b7ff82cbc21407353c7e4b9107074d

SHA256
3e81beadf6ca53a22e57c8e2441fae050129feb1b0975381479bd6855e5383c2

SHA512
87a6ec8e0f12ee21345e52a3bef21a1d771adadcbfc3c2fa169036fdad3544099eeb9599dd92a2d306e0a5529ec83412280abae0670817737ea83cd1710f3b8d

Download Submit
memory/1820-1209-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2386-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2387-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/1820-2402-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2403-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2396-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2389-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-2388-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3344-1201-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4668-2405-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4812-18-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-42-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-62-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-60-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-58-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-56-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-50-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-48-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-46-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-45-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-40-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-38-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-36-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-32-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-26-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-24-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-22-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-20-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-66-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-17-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-12-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-10-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-8-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-6-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-68-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-64-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-34-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-30-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-28-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-14-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-5-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-1181-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1182-0x0000000005050000-0x00000000050A8000-memory.dmp

Filesize
352KB

Download
memory/4812-1183-0x0000000005120000-0x000000000516C000-memory.dmp

Filesize
304KB

Download
memory/4812-1184-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4812-1185-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1186-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1187-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/4812-1188-0x00000000051F0000-0x0000000005244000-memory.dmp

Filesize
336KB

Download
memory/4812-1195-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-54-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-52-0x0000000004DF0000-0x0000000004ED1000-memory.dmp

Filesize
900KB

Download
memory/4812-4-0x0000000004DF0000-0x0000000004ED8000-memory.dmp

Filesize
928KB

Download
memory/4812-3-0x0000000004D00000-0x0000000004DE6000-memory.dmp

Filesize
920KB

Download
memory/4812-2-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1-0x0000000000220000-0x000000000031A000-memory.dmp

Filesize
1000KB

Download
memory/4812-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4812-1200-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-1203-0x0000000002924000-0x0000000002925000-memory.dmp

Filesize
4KB

Download
memory/4812-1202-0x00000000028E6000-0x00000000028E7000-memory.dmp

Filesize
4KB

Download
memory/4812-1206-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download