systembc | 89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565

General

Target

89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe
Size

285KB
MD5

ff4d95122ba0a03ff9b3f5b367f96b35
SHA1

131e0b509ef92ba9ab6eeebd1e1571bbbe6a1cf2
SHA256

89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565
SHA512

215285c7c8d8d77be59469c28a31ef1e1536867e3a24e2470b7acb34253f5f555ca2230c1f78fd16da68fad7e587edbac47b8d2588ffde0513a506dce3fe1cfb

Score

10^/10

systembc suricata trojan

Malware Config

Extracted

Family

systembc

C2

advertrex20.xyz:4044

gentexman37.xyz:4044

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
suricata: ET MALWARE Observed SystemBC CnC Domain in DNS Query
suricata: ET MALWARE Observed SystemBC CnC Domain in DNS Query
suricata
Executes dropped EXE 1 IoCs

Processes:

edgvp.exe

pid process

4320 edgvp.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

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

Connection Proxy
T1090

pid	process
4320	edgvp.exe

flow	ioc
39	api.ipify.org
40	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\edgvp.job	89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe
File created	C:\Windows\Tasks\edgvp.job	89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4268 1540 WerFault.exe 89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

pid	pid_target	process	target process
4268	1540	WerFault.exe	89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

pid	process
1540	89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe
1540	89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe

C:\Users\Admin\AppData\Local\Temp\89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe
"C:\Users\Admin\AppData\Local\Temp\89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 488
2⤵
- Program crash
PID:4268

C:\ProgramData\pnkh\edgvp.exe
C:\ProgramData\pnkh\edgvp.exe start
1⤵
- Executes dropped EXE
PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1540 -ip 1540
1⤵
PID:4812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Connection Proxy

1

T1090

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Connection Proxy

1

T1090

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\pnkh\edgvp.exe
MD5
ff4d95122ba0a03ff9b3f5b367f96b35

SHA1
131e0b509ef92ba9ab6eeebd1e1571bbbe6a1cf2

SHA256
89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565

SHA512
215285c7c8d8d77be59469c28a31ef1e1536867e3a24e2470b7acb34253f5f555ca2230c1f78fd16da68fad7e587edbac47b8d2588ffde0513a506dce3fe1cfb

Download Submit
C:\ProgramData\pnkh\edgvp.exe
MD5
ff4d95122ba0a03ff9b3f5b367f96b35

SHA1
131e0b509ef92ba9ab6eeebd1e1571bbbe6a1cf2

SHA256
89fe7c1bbb477cee16d340a65fe5199f1a56199bec22dd8af394aac88dd63565

SHA512
215285c7c8d8d77be59469c28a31ef1e1536867e3a24e2470b7acb34253f5f555ca2230c1f78fd16da68fad7e587edbac47b8d2588ffde0513a506dce3fe1cfb

Download Submit
memory/1540-130-0x0000000006400000-0x0000000006406000-memory.dmp

Filesize
24KB

Download
memory/1540-131-0x0000000006410000-0x0000000006419000-memory.dmp

Filesize
36KB

Download
memory/1540-132-0x0000000000400000-0x00000000046C7000-memory.dmp

Filesize
66.8MB

Download
memory/4320-135-0x0000000004700000-0x0000000004706000-memory.dmp

Filesize
24KB

Download
memory/4320-136-0x0000000004770000-0x0000000004779000-memory.dmp

Filesize
36KB

Download
memory/4320-137-0x0000000000400000-0x00000000046C7000-memory.dmp

Filesize
66.8MB

Download

Analysis

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