systembc | f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729

Analysis

max time kernel
132s
max time network
257s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
04-03-2023 04:50

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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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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
1132	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
1132	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

pid process

1132 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:1132

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/1132-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1132-55-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1132-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1132-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1132-58-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1132-59-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1132-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1132-61-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1132-62-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1132-63-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1132-64-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1132-65-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1132-67-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1132-68-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1132-70-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1132-71-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1132-73-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1132-74-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1132-76-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1132-77-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1132-78-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download