systembc | 3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
31-05-2024 21:21

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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-1-5-21-2539840389-1261165778-1087677076-1000\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 4464 set thread context of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
Token: SeDebugPrivilege	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92
PID 4464 wrote to memory of 3184	4464	3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe	92

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:4464
- C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe
  "C:\Users\Admin\AppData\Local\Temp\3a7327bd54ba0dfa36bbf0b9d0dc820984d6d0e0316cfa4045ab4c1e7e447282.exe"
  2⤵
  - Adds Run key to start application
  PID:3184

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/3184-4904-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4464-40-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-4894-0x0000000006B00000-0x0000000006B58000-memory.dmp

Filesize
352KB

Download
memory/4464-3-0x0000000005330000-0x000000000554C000-memory.dmp

Filesize
2.1MB

Download
memory/4464-4-0x0000000006680000-0x000000000689E000-memory.dmp

Filesize
2.1MB

Download
memory/4464-5-0x0000000006E80000-0x0000000007424000-memory.dmp

Filesize
5.6MB

Download
memory/4464-6-0x00000000069E0000-0x0000000006A72000-memory.dmp

Filesize
584KB

Download
memory/4464-26-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-12-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-7-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-48-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-46-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-64-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-68-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-66-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-62-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-60-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-58-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-56-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-54-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-53-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-50-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-44-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-1-0x0000000000630000-0x0000000000870000-memory.dmp

Filesize
2.2MB

Download
memory/4464-2-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4464-32-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-36-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-34-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-38-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-30-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-28-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-24-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-22-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-20-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-18-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-16-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-14-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-10-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-8-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-70-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-4893-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4464-4895-0x0000000006B60000-0x0000000006BAC000-memory.dmp

Filesize
304KB

Download
memory/4464-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4464-4896-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4464-4897-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4464-4898-0x0000000006D00000-0x0000000006D54000-memory.dmp

Filesize
336KB

Download
memory/4464-42-0x0000000006680000-0x0000000006898000-memory.dmp

Filesize
2.1MB

Download
memory/4464-4905-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads