systembc | b8cdfada8522638a45efdac45fe27eb60b9860222d2486036e12d4a18688445b

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2023 17:39

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General

Target

b8cdfada8522638a45efdac45_JC.exe
Size

4.1MB
MD5

f0f5e6f32198fa1837b3090b7fd71fbb
SHA1

bfece5be6f01f5e44b5637c6d733577d8bb64941
SHA256

b8cdfada8522638a45efdac45fe27eb60b9860222d2486036e12d4a18688445b
SHA512

3af3e8e5ff6cc5dc58859ba3d1f1cc9324d2b41601236749b889f0183f514bbcbe685f62910078db590f795c84fd325656c76ac154485a0a91b26204b4f27acb
SSDEEP

6144:sB5f3YwKrMducTng1RxdBNE8ZOoXzeprQoXwg4kVUm+vL1kXwT/vEVelKh:If3zKrMduNndr3zDepGkVwvhHXEV00

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

91.103.252.89:4317

91.103.252.57:4317

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

T1547.001

Modify Registry

T1112

Processes:

b8cdfada8522638a45efdac45_JC.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Windows\CurrentVersion\Run	b8cdfada8522638a45efdac45_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\b8cdfada8522638a45efdac45_JC.exe'\""	b8cdfada8522638a45efdac45_JC.exe

C:\Users\Admin\AppData\Local\Temp\b8cdfada8522638a45efdac45_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b8cdfada8522638a45efdac45_JC.exe"
1⤵
- Adds Run key to start application
PID:4632

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/4632-133-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4632-135-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4632-134-0x0000000000400000-0x000000000081F000-memory.dmp

Filesize
4.1MB

Download
memory/4632-136-0x0000000000400000-0x000000000081F000-memory.dmp

Filesize
4.1MB

Download
memory/4632-137-0x0000000004590000-0x0000000004948000-memory.dmp

Filesize
3.7MB

Download
memory/4632-138-0x0000000000400000-0x000000000081F000-memory.dmp

Filesize
4.1MB

Download