systembc | b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152

General

Target

b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe
Size

98KB
MD5

b0a7c828e9567926e1e6f7d846472d4e
SHA1

350ef211ce98cebdd6ac0a2260a53c16197d65fb
SHA256

b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152
SHA512

326bc5717f4fe6767a0708b31ca68eb8dd87309ead3693707b803581f8d743705195f5ffd7b006d5b6ad5f84d60bac48f889c1d85578e0dd9947e6ab28a7bf77

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:

haqesj.exe

pid process

784 haqesj.exe
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
6 api.ipify.org
7 ip4.seeip.org
8 ip4.seeip.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
784	haqesj.exe

flow	ioc
5	api.ipify.org
6	api.ipify.org
7	ip4.seeip.org
8	ip4.seeip.org

Drops file in Windows directory 2 IoCs

Processes:

b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe

description	ioc	process
File created	C:\Windows\Tasks\haqesj.job	b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe
File opened for modification	C:\Windows\Tasks\haqesj.job	b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe

pid process

1168 b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe

pid	process
1168	b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 580 wrote to memory of 784	580	taskeng.exe	haqesj.exe
PID 580 wrote to memory of 784	580	taskeng.exe	haqesj.exe
PID 580 wrote to memory of 784	580	taskeng.exe	haqesj.exe
PID 580 wrote to memory of 784	580	taskeng.exe	haqesj.exe

C:\Users\Admin\AppData\Local\Temp\b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe
"C:\Users\Admin\AppData\Local\Temp\b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1168

C:\Windows\system32\taskeng.exe
taskeng.exe {66733C6C-3BC9-4796-95B8-C68B84689791} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\ProgramData\lqwqse\haqesj.exe
  C:\ProgramData\lqwqse\haqesj.exe start
  2⤵
  - Executes dropped EXE
  PID:784

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\lqwqse\haqesj.exe

Filesize
98KB

MD5
b0a7c828e9567926e1e6f7d846472d4e

SHA1
350ef211ce98cebdd6ac0a2260a53c16197d65fb

SHA256
b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152

SHA512
326bc5717f4fe6767a0708b31ca68eb8dd87309ead3693707b803581f8d743705195f5ffd7b006d5b6ad5f84d60bac48f889c1d85578e0dd9947e6ab28a7bf77

Download Submit
C:\ProgramData\lqwqse\haqesj.exe

Filesize
98KB

MD5
b0a7c828e9567926e1e6f7d846472d4e

SHA1
350ef211ce98cebdd6ac0a2260a53c16197d65fb

SHA256
b7a122f6adabcddb7744f3a31e593f5f4ad80e0d433eee8b6d61c13e86731152

SHA512
326bc5717f4fe6767a0708b31ca68eb8dd87309ead3693707b803581f8d743705195f5ffd7b006d5b6ad5f84d60bac48f889c1d85578e0dd9947e6ab28a7bf77

Download Submit
memory/784-60-0x0000000000000000-mapping.dmp

Download
memory/784-62-0x000000000307B000-0x0000000003082000-memory.dmp

Filesize
28KB

Download
memory/784-64-0x000000000307B000-0x0000000003082000-memory.dmp

Filesize
28KB

Download
memory/784-65-0x0000000000400000-0x0000000002FA3000-memory.dmp

Filesize
43.6MB

Download
memory/1168-54-0x000000000315B000-0x0000000003162000-memory.dmp

Filesize
28KB

Download
memory/1168-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1168-57-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1168-56-0x000000000315B000-0x0000000003162000-memory.dmp

Filesize
28KB

Download
memory/1168-58-0x0000000000400000-0x0000000002FA3000-memory.dmp

Filesize
43.6MB

Download

Analysis

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