systembc | 38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc

General

Target

38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe
Size

107KB
MD5

c76206e3213212b73b3efa6a51d9c1d6
SHA1

3ed40c6f3553b7f02ab984693258b6120577aa2d
SHA256

38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc
SHA512

fc1826163547e7d3b907da45bca77e52df96a056fa99c7830c8663ffcb7720a7ec4481dec3baa965dfa6e0dfd914f1bb85d5b4680b1e8d2b0da0a6d0a45b0854

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

ok22asddvr.com:4035

ok22asddvr.xyz:4035

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 1 IoCs

Processes:

pqvvh.exe

pid process

2780 pqvvh.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

54 api.ipify.org
53 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
2780	pqvvh.exe

flow	ioc
54	api.ipify.org
53	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

description	ioc	process
File created	C:\Windows\Tasks\pqvvh.job	38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe
File opened for modification	C:\Windows\Tasks\pqvvh.job	38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3640 4064 WerFault.exe 38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

pid	pid_target	process	target process
3640	4064	WerFault.exe	38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

pid	process
4064	38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe
4064	38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe

C:\Users\Admin\AppData\Local\Temp\38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe
"C:\Users\Admin\AppData\Local\Temp\38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 484
2⤵
- Program crash
PID:3640

C:\ProgramData\adhqg\pqvvh.exe
C:\ProgramData\adhqg\pqvvh.exe start
1⤵
- Executes dropped EXE
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4064 -ip 4064
1⤵
PID:532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Connection Proxy

1

T1090

Impact

Replay Monitor

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Downloads

C:\ProgramData\adhqg\pqvvh.exe
Filesize
107KB

MD5
c76206e3213212b73b3efa6a51d9c1d6

SHA1
3ed40c6f3553b7f02ab984693258b6120577aa2d

SHA256
38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc

SHA512
fc1826163547e7d3b907da45bca77e52df96a056fa99c7830c8663ffcb7720a7ec4481dec3baa965dfa6e0dfd914f1bb85d5b4680b1e8d2b0da0a6d0a45b0854

Download Submit
C:\ProgramData\adhqg\pqvvh.exe
Filesize
107KB

MD5
c76206e3213212b73b3efa6a51d9c1d6

SHA1
3ed40c6f3553b7f02ab984693258b6120577aa2d

SHA256
38916764de03427d1ef5b77729bd3486e8429fd7966cc306a79e5e5e248a36cc

SHA512
fc1826163547e7d3b907da45bca77e52df96a056fa99c7830c8663ffcb7720a7ec4481dec3baa965dfa6e0dfd914f1bb85d5b4680b1e8d2b0da0a6d0a45b0854

Download Submit
memory/2780-135-0x00000000007F2000-0x00000000007F9000-memory.dmp

Filesize
28KB

Download
memory/2780-136-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download
memory/2780-137-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4064-130-0x0000000000719000-0x000000000071F000-memory.dmp

Filesize
24KB

Download
memory/4064-131-0x0000000000620000-0x0000000000629000-memory.dmp

Filesize
36KB

Download
memory/4064-132-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

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