systembc | 75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486

General

Target

75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe
Size

156KB
MD5

3ca6807211a0720f8f4eb6650014cf84
SHA1

5ea53d154530731e34a12a2dcf1291f3cd787a67
SHA256

75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486
SHA512

9a353d9c5ce677d309147c860f55957982a1df9de47d8d464f591e37a96241c9c036beffb46911f21d7b61bb419c568600dbe378533ce5294b3cdc61e2d47155

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:

uqtq.exe

pid process

1612 uqtq.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

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

Connection Proxy
T1090

pid	process
1612	uqtq.exe

flow	ioc
27	api.ipify.org
28	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

description	ioc	process
File created	C:\Windows\Tasks\uqtq.job	75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe
File opened for modification	C:\Windows\Tasks\uqtq.job	75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1680 3728 WerFault.exe 75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

pid	pid_target	process	target process
1680	3728	WerFault.exe	75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

pid	process
3728	75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe
3728	75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe

C:\Users\Admin\AppData\Local\Temp\75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe
"C:\Users\Admin\AppData\Local\Temp\75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 948
2⤵
- Program crash
PID:1680

C:\ProgramData\qalpi\uqtq.exe
C:\ProgramData\qalpi\uqtq.exe start
1⤵
- Executes dropped EXE
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3728 -ip 3728
1⤵
PID:4588

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\qalpi\uqtq.exe
Filesize
156KB

MD5
3ca6807211a0720f8f4eb6650014cf84

SHA1
5ea53d154530731e34a12a2dcf1291f3cd787a67

SHA256
75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486

SHA512
9a353d9c5ce677d309147c860f55957982a1df9de47d8d464f591e37a96241c9c036beffb46911f21d7b61bb419c568600dbe378533ce5294b3cdc61e2d47155

Download Submit
C:\ProgramData\qalpi\uqtq.exe
Filesize
156KB

MD5
3ca6807211a0720f8f4eb6650014cf84

SHA1
5ea53d154530731e34a12a2dcf1291f3cd787a67

SHA256
75bd3900ae29fc2d68c2fcf2f74f1444730f1d25a1c26a2a81c8657c816bc486

SHA512
9a353d9c5ce677d309147c860f55957982a1df9de47d8d464f591e37a96241c9c036beffb46911f21d7b61bb419c568600dbe378533ce5294b3cdc61e2d47155

Download Submit
memory/1612-136-0x00000000030D2000-0x00000000030D9000-memory.dmp

Filesize
28KB

Download
memory/1612-137-0x00000000030D2000-0x00000000030D9000-memory.dmp

Filesize
28KB

Download
memory/1612-138-0x0000000003030000-0x0000000003039000-memory.dmp

Filesize
36KB

Download
memory/1612-139-0x0000000000400000-0x0000000002FB3000-memory.dmp

Filesize
43.7MB

Download
memory/3728-130-0x0000000003368000-0x000000000336F000-memory.dmp

Filesize
28KB

Download
memory/3728-131-0x0000000003368000-0x000000000336F000-memory.dmp

Filesize
28KB

Download
memory/3728-132-0x0000000003310000-0x0000000003319000-memory.dmp

Filesize
36KB

Download
memory/3728-133-0x0000000000400000-0x0000000002FB3000-memory.dmp

Filesize
43.7MB

Download

Analysis

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