systembc | f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729

Analysis

max time kernel
133s
max time network
258s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06-03-2023 04:54

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General

Target

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
Size

6.6MB
MD5

d086940618bcc604f2d17c141f47ae49
SHA1

0efa810ab7e78a1ddf00cd3d2abd43b9be2eb837
SHA256

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729
SHA512

9e4e02bb56580bb55a208f68204860fe64617537b4450cc5b513c14cacec17ca80a58f432a98c4a9bf2d38014c4826e6e17a5cf919638ac2e4bc823507af2e04
SSDEEP

196608:O3mUa51xxehaJ9a1m2asYgqnsKmQUcuJOkoDCNztN:O233xxEaLOYnsKmxQpE3

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

79.137.203.32:4289

194.87.111.29:4289

Signatures

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe'\""	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

pid	process
1528	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
1528	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

pid process

1528 f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
"C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1528-55-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1528-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1528-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1528-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1528-58-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1528-59-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1528-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1528-61-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1528-62-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1528-63-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1528-64-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1528-65-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1528-67-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1528-68-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1528-70-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1528-71-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1528-73-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/1528-74-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/1528-76-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1528-77-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1528-78-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download