systembc | 40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c

Analysis

max time kernel
291s
max time network
149s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
22-07-2023 22:12

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General

Target

40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe
Size

4.1MB
MD5

bfaf9b1bbefa0dcf2333437f69b1ab98
SHA1

d1f5eb29d46d6480d28460dccc5158eb5a006336
SHA256

40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c
SHA512

f4ef55c35136152837cd366c1dcecbb1046d5ca0ff74c88367c9cdb594a8fe106d68dec30793c5979d3da5940e1858f25dca962af65a0e8a9d426eaa2099845f
SSDEEP

6144:sB5f3YwKrMducTng1RxdBNE8ZOoXzeprQoXwg4kVUm+vL1kXwT/vEVqlKh:If3zKrMduNndr3zDepGkVwvhHXEVA0

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:

40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows\CurrentVersion\Run	40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe'\""	40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe

C:\Users\Admin\AppData\Local\Temp\40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe
"C:\Users\Admin\AppData\Local\Temp\40293bf72b77c294924a419c1bef6a227ba280a7610ef7276ca0a4f31e2d3b6c.exe"
1⤵
- Adds Run key to start application
PID:2604

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2604-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2604-55-0x0000000000400000-0x000000000081F000-memory.dmp

Filesize
4.1MB

Download
memory/2604-56-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2604-58-0x0000000000400000-0x000000000081F000-memory.dmp

Filesize
4.1MB

Download
memory/2604-57-0x00000000034D0000-0x0000000003888000-memory.dmp

Filesize
3.7MB

Download