systembc | 90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882

Target

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
Size

87KB
MD5

c130eba9ff855403a69ec4adc6ae5db0
SHA1

71c0f3213e23fc9f1c0c5d14c0095c6b59aa7446
SHA256

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882
SHA512

35308bf15552b0168488eb0dfcf7fac077f79626d9e684a5bd57004d87d7e06ae5aa0c348d9866ccb6aa2e190d3727b8cde5b744f6c5ac5be4ab1aad452e6586

Score

10^/10

Malware Config

Family

systembc

asdasd08.com:4039

asdasd08.xyz:4039

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:

jhqbjn.exe

pid process

2340 jhqbjn.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

48 api.ipify.org
49 api.ipify.org
53 ip4.seeip.org
54 ip4.seeip.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
2340	jhqbjn.exe

Drops file in Windows directory 2 IoCs

Processes:

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

description	ioc	process
File created	C:\Windows\Tasks\jhqbjn.job	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
File opened for modification	C:\Windows\Tasks\jhqbjn.job	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

pid	process
1704	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
1704	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

C:\ProgramData\vpij\jhqbjn.exe
C:\ProgramData\vpij\jhqbjn.exe start
1⤵
- Executes dropped EXE
PID:2340

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Connection Proxy

Impact

C:\ProgramData\vpij\jhqbjn.exe
Filesize
87KB

MD5
c130eba9ff855403a69ec4adc6ae5db0

SHA1
71c0f3213e23fc9f1c0c5d14c0095c6b59aa7446

SHA256
90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882

SHA512
35308bf15552b0168488eb0dfcf7fac077f79626d9e684a5bd57004d87d7e06ae5aa0c348d9866ccb6aa2e190d3727b8cde5b744f6c5ac5be4ab1aad452e6586

Download Submit
C:\ProgramData\vpij\jhqbjn.exe
Filesize
87KB

MD5
c130eba9ff855403a69ec4adc6ae5db0

SHA1
71c0f3213e23fc9f1c0c5d14c0095c6b59aa7446

SHA256
90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882

SHA512
35308bf15552b0168488eb0dfcf7fac077f79626d9e684a5bd57004d87d7e06ae5aa0c348d9866ccb6aa2e190d3727b8cde5b744f6c5ac5be4ab1aad452e6586

Download Submit
memory/1704-131-0x0000000003020000-0x0000000003029000-memory.dmp

Filesize
36KB

Download
memory/1704-130-0x00000000031F8000-0x00000000031FF000-memory.dmp

Filesize
28KB

Download
memory/1704-132-0x0000000000400000-0x0000000002FA1000-memory.dmp

Filesize
43.6MB

Download
memory/2340-135-0x0000000003303000-0x0000000003309000-memory.dmp

Filesize
24KB

Download
memory/2340-136-0x00000000030F0000-0x00000000030F9000-memory.dmp

Filesize
36KB

Download
memory/2340-137-0x0000000000400000-0x0000000002FA1000-memory.dmp

Filesize
43.6MB

Download