systembc | 3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02-06-2024 08:38

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General

Target

3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
Size

2.2MB
MD5

e817cc929fbc651c5bdab9e8cca0d9d9
SHA1

4d73dc2afcde6a1dcf9417c0120252a2d8fd246f
SHA256

3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282
SHA512

a9c1e547ef74c20e0a21dfc951463fb6883a23da4c323c96c5e64ac5793e774ceae898d4cf486e1bf1ea8fb69360610639a1046005fcdb9bd9f8463aec4a3e2f
SSDEEP

49152:Znv1H6cOicCqvWtLfr1/7IBSWCRBClm7gXKxfsvX7TXL:XHLhbQsV/7bRBClagXnv77

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

cobusabobus.cam:4383

185.43.220.45:4383

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe'\""	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
Token: SeDebugPrivilege	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28
PID 1700 wrote to memory of 308	1700	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	28

C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
"C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
  "C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe"
  2⤵
  - Adds Run key to start application
  PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/308-4913-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/308-4915-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1700-14-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-4914-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-4-0x00000000061D0000-0x00000000063EE000-memory.dmp

Filesize
2.1MB

Download
memory/1700-40-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-5-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-30-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-6-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-39-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-8-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-60-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-12-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-18-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-20-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-22-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-28-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-34-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-36-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-44-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-26-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-24-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/1700-10-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-16-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-32-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-46-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-58-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-68-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-66-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-64-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-62-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-56-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-54-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-52-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-50-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-48-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-4891-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-4893-0x0000000000D60000-0x0000000000DAC000-memory.dmp

Filesize
304KB

Download
memory/1700-4892-0x0000000000D00000-0x0000000000D58000-memory.dmp

Filesize
352KB

Download
memory/1700-4894-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/1700-4895-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-4896-0x00000000011A0000-0x00000000011F4000-memory.dmp

Filesize
336KB

Download
memory/1700-3-0x0000000004E80000-0x000000000509C000-memory.dmp

Filesize
2.1MB

Download
memory/1700-42-0x00000000061D0000-0x00000000063E8000-memory.dmp

Filesize
2.1MB

Download
memory/1700-1-0x0000000001210000-0x0000000001450000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads