systembc | 5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2024 16:34

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General

Target

5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe
Size

327KB
MD5

1e130ae675b8766e730ac0e8b555c0c1
SHA1

7b872d6799506ecb1a6a69b0b16cf53a70a337be
SHA256

5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447
SHA512

1e38ca35417bd0c52761e492264dfa778af968164cb5b0da9b511542d987f363be6b1dd6514acbf93c5adddd2df83f8190299cb72814c97bf49c141f12123dbf
SSDEEP

3072:7o9Nt/aZaw9/YRGPwK6DyER+3szzE98bq8Ag0FuTR6THf0XuzWmvrFdkKWVjyXFv:72T/e54GPwja34hAOAFW27R6iqFjq

Score

10^/10

systembc discovery persistence trojan

Malware Config

Extracted

Family

systembc

157.20.182.233:443

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

Processes:

5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe'\""	5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe

C:\Users\Admin\AppData\Local\Temp\5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe
"C:\Users\Admin\AppData\Local\Temp\5fef7a5db4b1c216c9fc37d55143e5b635e8833d82f95004bb4fb47060fdf447.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:452

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/452-1-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

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memory/452-2-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download