systembc | 79b8594b53a0516453df5007270848fc2018f630b7f4f88feb4beacd420ed83a

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 14:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1af0e12fc38a64654bce554612545b34.exe
Size

1004KB
MD5

1af0e12fc38a64654bce554612545b34
SHA1

2704339f5dc0a824b08b978ccf324cc99231b406
SHA256

79b8594b53a0516453df5007270848fc2018f630b7f4f88feb4beacd420ed83a
SHA512

fb5ff981722253b73549db4d306f02ca21649455b9260a781cb0c2b24164e72bf4cdf24a140fd3dcaad5b21e32a84b49cb3ec558e2d6ab7253f4cb63e91a9ca3
SSDEEP

24576:io23milEV1TtrBxLdx+WjQw8cSh638FF3HEh/LEVbfGf:W2RrBfxzMh6sFtkh/LEbfGf

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

wodresomdaymomentum.org

Attributes

dns
5.132.191.104

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs

description	pid	Process	procid_target
PID 1408 created 3348	1408	1af0e12fc38a64654bce554612545b34.exe	56
PID 4716 created 3348	4716	urqmc.exe	56
PID 2924 created 3348	2924	urqmc.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\brokerutil.vbs	1af0e12fc38a64654bce554612545b34.exe

Executes dropped EXE 4 IoCs

pid	Process
4716	urqmc.exe
1924	urqmc.exe
2924	urqmc.exe
2728	urqmc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 4716 set thread context of 1924	4716	urqmc.exe	102
PID 2924 set thread context of 2728	2924	urqmc.exe	104

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	1af0e12fc38a64654bce554612545b34.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	urqmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1af0e12fc38a64654bce554612545b34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1af0e12fc38a64654bce554612545b34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	urqmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	urqmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	urqmc.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1408	1af0e12fc38a64654bce554612545b34.exe
4716	urqmc.exe
2924	urqmc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	1af0e12fc38a64654bce554612545b34.exe
Token: SeDebugPrivilege	1408	1af0e12fc38a64654bce554612545b34.exe
Token: SeDebugPrivilege	4716	urqmc.exe
Token: SeDebugPrivilege	4716	urqmc.exe
Token: SeDebugPrivilege	2924	urqmc.exe
Token: SeDebugPrivilege	2924	urqmc.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 1408 wrote to memory of 3460	1408	1af0e12fc38a64654bce554612545b34.exe	97
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 4716 wrote to memory of 1924	4716	urqmc.exe	102
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104
PID 2924 wrote to memory of 2728	2924	urqmc.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3348
- C:\Users\Admin\AppData\Local\Temp\1af0e12fc38a64654bce554612545b34.exe
  "C:\Users\Admin\AppData\Local\Temp\1af0e12fc38a64654bce554612545b34.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:1408
- C:\Users\Admin\AppData\Local\Temp\1af0e12fc38a64654bce554612545b34.exe
  "C:\Users\Admin\AppData\Local\Temp\1af0e12fc38a64654bce554612545b34.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3460
- C:\ProgramData\lpucki\urqmc.exe
  "C:\ProgramData\lpucki\urqmc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\ProgramData\lpucki\urqmc.exe
  "C:\ProgramData\lpucki\urqmc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2728

C:\ProgramData\lpucki\urqmc.exe
C:\ProgramData\lpucki\urqmc.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:4716

C:\ProgramData\lpucki\urqmc.exe
C:\ProgramData\lpucki\urqmc.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:2924

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

Loading Replay Monitor...

Downloads

C:\ProgramData\lpucki\urqmc.exe

Filesize
1004KB

MD5
1af0e12fc38a64654bce554612545b34

SHA1
2704339f5dc0a824b08b978ccf324cc99231b406

SHA256
79b8594b53a0516453df5007270848fc2018f630b7f4f88feb4beacd420ed83a

SHA512
fb5ff981722253b73549db4d306f02ca21649455b9260a781cb0c2b24164e72bf4cdf24a140fd3dcaad5b21e32a84b49cb3ec558e2d6ab7253f4cb63e91a9ca3

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

Filesize
236B

MD5
4d7cebf277b23f44cf693915e626b3cd

SHA1
a79ef7bb87021f1fbbbebe991c73f719f4e0e451

SHA256
c29edb543fb1d37433724684e65a086292f1886218d416abb48b5488b2f0cafa

SHA512
2dbb8fb9095d6892a8e74bb5a27be280a67780834d96b5bb51f1ee00a25a00aa952deb5881877269b77c685b28215cec752aed2602059af4ac4c6b264628987f

Download Submit
memory/1408-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/1408-1-0x0000000000B80000-0x0000000000C7A000-memory.dmp

Filesize
1000KB

Download
memory/1408-2-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-3-0x00000000054B0000-0x0000000005596000-memory.dmp

Filesize
920KB

Download
memory/1408-4-0x00000000056B0000-0x0000000005796000-memory.dmp

Filesize
920KB

Download
memory/1408-12-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-10-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-8-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-40-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-39-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-36-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-26-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-6-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-24-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-5-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-68-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-67-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-64-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-62-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-61-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-58-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-56-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-54-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-53-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-50-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-49-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-46-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-44-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-42-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-34-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-32-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-30-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-28-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-22-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-20-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-18-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-16-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-14-0x00000000056B0000-0x0000000005791000-memory.dmp

Filesize
900KB

Download
memory/1408-1181-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-1182-0x0000000005950000-0x00000000059A8000-memory.dmp

Filesize
352KB

Download
memory/1408-1183-0x00000000058F0000-0x000000000593C000-memory.dmp

Filesize
304KB

Download
memory/1408-1184-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/1408-1185-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-1186-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-1187-0x00000000062E0000-0x0000000006884000-memory.dmp

Filesize
5.6MB

Download
memory/1408-1188-0x00000000057E0000-0x0000000005834000-memory.dmp

Filesize
336KB

Download
memory/1408-1194-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-1203-0x0000000003236000-0x0000000003237000-memory.dmp

Filesize
4KB

Download
memory/1408-1202-0x000000000331F000-0x0000000003320000-memory.dmp

Filesize
4KB

Download
memory/1408-1200-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1408-1206-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/1924-2405-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3460-1201-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4716-1210-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-1209-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/4716-2387-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2388-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/4716-2389-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2390-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2402-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2404-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4716-2396-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download