systembc | 341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d

Analysis

max time kernel
149s
max time network
150s
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 12:39

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General

Target

341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
Size

1006KB
MD5

0630c2c8a8c85dca0b36513ad79967e8
SHA1

9dafbb4ef4c4ecbd78aa9f4c8f0260a8aba2baf4
SHA256

341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d
SHA512

2e200220d5b8ab644274af62de19b36c502ca8c6e9a450e2ac61c8f5cce20a45d73200d4d8f45b1b45a4b3a645c103a61110d5f4273783f06ccabe6f1c407350
SSDEEP

24576:W0RHvPoU6t/Wn5z09zDxeXTMT9m2OyzUYc:lHvB+QmzoIZ3Bw

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 1556 created 3500	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	56
PID 3928 created 3500	3928	mxndl.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\vminfol.vbs	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe

Executes dropped EXE 3 IoCs

pid	Process
3928	mxndl.exe
2552	mxndl.exe
1392	mxndl.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 3928 set thread context of 2552	3928	mxndl.exe	100

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.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	mxndl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mxndl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mxndl.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
3928	mxndl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
Token: SeDebugPrivilege	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
Token: SeDebugPrivilege	3928	mxndl.exe
Token: SeDebugPrivilege	3928	mxndl.exe
Token: SeDebugPrivilege	1392	mxndl.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 1556 wrote to memory of 396	1556	341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe	84
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100
PID 3928 wrote to memory of 2552	3928	mxndl.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
  "C:\Users\Admin\AppData\Local\Temp\341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.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:1556
- C:\Users\Admin\AppData\Local\Temp\341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe
  "C:\Users\Admin\AppData\Local\Temp\341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:396
- C:\ProgramData\mfxt\mxndl.exe
  "C:\ProgramData\mfxt\mxndl.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2552

C:\ProgramData\mfxt\mxndl.exe
C:\ProgramData\mfxt\mxndl.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:3928

C:\ProgramData\mfxt\mxndl.exe
C:\ProgramData\mfxt\mxndl.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1392

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\mfxt\mxndl.exe

Filesize
1006KB

MD5
0630c2c8a8c85dca0b36513ad79967e8

SHA1
9dafbb4ef4c4ecbd78aa9f4c8f0260a8aba2baf4

SHA256
341082f1ded57c304632b7607119183bb78ba76e1b492f3e4a706fd83c1bc13d

SHA512
2e200220d5b8ab644274af62de19b36c502ca8c6e9a450e2ac61c8f5cce20a45d73200d4d8f45b1b45a4b3a645c103a61110d5f4273783f06ccabe6f1c407350

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

Filesize
232B

MD5
ef6f8b3960dedece6141d2aff813da45

SHA1
d9d5b41bc26914d146ff1d125096befe1c789be0

SHA256
8e559d12606e34a5f9bba7531e145ea5c8108ca90aed768c864e0ba4af51923b

SHA512
dc491b56b46a3e7f4f8e057052096030837816e1ac58bf7a30f08dd1d37fc215065cfe66217c280a36d025db3cec1fc072a4d311787f16189f2784a2a0dc1f50

Download Submit
memory/396-1202-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1556-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1556-1-0x0000000000550000-0x000000000064A000-memory.dmp

Filesize
1000KB

Download
memory/1556-2-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-3-0x0000000004FC0000-0x00000000050A6000-memory.dmp

Filesize
920KB

Download
memory/1556-4-0x00000000050B0000-0x0000000005198000-memory.dmp

Filesize
928KB

Download
memory/1556-5-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-12-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-68-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-66-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-64-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-62-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-58-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-56-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-52-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-50-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-49-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-46-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-44-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-42-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-38-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-36-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-32-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-30-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-28-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-26-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-24-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-22-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-20-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-16-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-14-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-10-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-60-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-54-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-8-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-40-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-34-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-6-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-18-0x00000000050B0000-0x0000000005191000-memory.dmp

Filesize
900KB

Download
memory/1556-1181-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-1183-0x0000000005450000-0x000000000549C000-memory.dmp

Filesize
304KB

Download
memory/1556-1182-0x0000000005390000-0x00000000053E8000-memory.dmp

Filesize
352KB

Download
memory/1556-1184-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1556-1185-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-1186-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-1187-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/1556-1188-0x0000000005530000-0x0000000005584000-memory.dmp

Filesize
336KB

Download
memory/1556-1194-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-1197-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1556-1201-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/2552-2404-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3928-1208-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-1207-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3928-2385-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-2386-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3928-2387-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-2388-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-2395-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-2402-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3928-2401-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download