systembc | 2e08b9cd0e2bb7ca4a8fdace85c5e80ebab87986ed6541a056ff31bdc272f173

Analysis

max time kernel
140s
max time network
143s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-02-2023 11:36

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General

Target

584e1b772abf47e40b94652be9117be8.exe
Size

999KB
MD5

584e1b772abf47e40b94652be9117be8
SHA1

b41f90962e9c53617d93be473914364d5a180c6c
SHA256

2e08b9cd0e2bb7ca4a8fdace85c5e80ebab87986ed6541a056ff31bdc272f173
SHA512

090912b6ae58d39ce157943590c9721e8d13dcbbbb98227edf2d776fe18f6ce49f04617f4fcef5cda4e42db90f658ebcac1f46853cd7df3b23877d50ad7433d2
SSDEEP

24576:j0YP8i28caNN64mX1LRJIv48/sUmBfHZfunQi:VitXBR2v48/sNBsQi

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

210.16.67.250:3000

192.168.1.28:3000

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:

584e1b772abf47e40b94652be9117be8.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	584e1b772abf47e40b94652be9117be8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\584e1b772abf47e40b94652be9117be8.exe'\""	584e1b772abf47e40b94652be9117be8.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

584e1b772abf47e40b94652be9117be8.exe

pid	process
1896	584e1b772abf47e40b94652be9117be8.exe
1896	584e1b772abf47e40b94652be9117be8.exe
1896	584e1b772abf47e40b94652be9117be8.exe
1896	584e1b772abf47e40b94652be9117be8.exe
1896	584e1b772abf47e40b94652be9117be8.exe

C:\Users\Admin\AppData\Local\Temp\584e1b772abf47e40b94652be9117be8.exe
"C:\Users\Admin\AppData\Local\Temp\584e1b772abf47e40b94652be9117be8.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1896

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/1896-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1896-55-0x0000000000260000-0x0000000000338000-memory.dmp

Filesize
864KB

Download
memory/1896-56-0x0000000000500000-0x0000000000578000-memory.dmp

Filesize
480KB

Download
memory/1896-57-0x0000000000260000-0x0000000000338000-memory.dmp

Filesize
864KB

Download
memory/1896-58-0x0000000000500000-0x0000000000578000-memory.dmp

Filesize
480KB

Download
memory/1896-59-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1896-62-0x0000000000260000-0x0000000000338000-memory.dmp

Filesize
864KB

Download