systembc | 8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41

General

Target

8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe
Size

318KB
MD5

69ab4ae7051a7962e610f4a8cc56d634
SHA1

9275cfb1e28dc75e614ab1fc6b7d0783a556cce1
SHA256

8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41
SHA512

521486297dc22c5f6e02dda6bca8789a13ed5d6d91bc1fed1342bcfcfabac3f0771e057d5afc1af1be8ca9552b80a0e81b93e7b5a90c81c803b2eb3485285c7f

Score

10^/10

systembc 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
Executes dropped EXE 1 IoCs

Processes:

xdqv.exe

pid process

1764 xdqv.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
1764	xdqv.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:

8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe

description	ioc	process
File created	C:\Windows\Tasks\xdqv.job	8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe
File opened for modification	C:\Windows\Tasks\xdqv.job	8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe

pid process

1884 8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe

pid	process
1884	8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1900 wrote to memory of 1764	1900	taskeng.exe	xdqv.exe
PID 1900 wrote to memory of 1764	1900	taskeng.exe	xdqv.exe
PID 1900 wrote to memory of 1764	1900	taskeng.exe	xdqv.exe
PID 1900 wrote to memory of 1764	1900	taskeng.exe	xdqv.exe

C:\Users\Admin\AppData\Local\Temp\8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe
"C:\Users\Admin\AppData\Local\Temp\8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1884

C:\Windows\system32\taskeng.exe
taskeng.exe {264E0DB4-4B9F-4FE3-A9A0-E3631C650506} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\ProgramData\vsixfd\xdqv.exe
  C:\ProgramData\vsixfd\xdqv.exe start
  2⤵
  - Executes dropped EXE
  PID:1764

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\vsixfd\xdqv.exe

Filesize
318KB

MD5
69ab4ae7051a7962e610f4a8cc56d634

SHA1
9275cfb1e28dc75e614ab1fc6b7d0783a556cce1

SHA256
8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41

SHA512
521486297dc22c5f6e02dda6bca8789a13ed5d6d91bc1fed1342bcfcfabac3f0771e057d5afc1af1be8ca9552b80a0e81b93e7b5a90c81c803b2eb3485285c7f

Download Submit
C:\ProgramData\vsixfd\xdqv.exe

Filesize
318KB

MD5
69ab4ae7051a7962e610f4a8cc56d634

SHA1
9275cfb1e28dc75e614ab1fc6b7d0783a556cce1

SHA256
8e853d68c303ff55e85082e83b45978a13fc2821a8363a1c1ad50cc2ddb6eb41

SHA512
521486297dc22c5f6e02dda6bca8789a13ed5d6d91bc1fed1342bcfcfabac3f0771e057d5afc1af1be8ca9552b80a0e81b93e7b5a90c81c803b2eb3485285c7f

Download Submit
memory/1764-59-0x0000000000000000-mapping.dmp

Download
memory/1764-62-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/1764-63-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/1884-54-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1884-56-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/1884-55-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/1884-57-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download

Analysis

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