systembc | 365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08

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17-04-2024 09:29

240417-lf1vzaah95 10

17-04-2024 09:29

17-04-2024 09:29

17-04-2024 09:28

17-04-2024 09:28

16-04-2024 13:46

Analysis

max time kernel
1799s
max time network
1801s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
17-04-2024 09:29

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General

Target

365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
Size

30KB
MD5

2ad2c7b5700f4246447b90f07ec5359b
SHA1

e9bf283f6dba0c0707a748fbd4a7c6f0c330f7d7
SHA256

365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08
SHA512

625090c4b634c6d95b08bc8965d7445307c242ca9d6fb9e17cf402e82de317c33b21a3a894ec9ff12fbffa2c4fd17d7647c5db3414b81c6f48f565dd2257214c
SSDEEP

768:j4Fd5REMkNoYKNen9OztmVWj9n52yoJImwJcaP:+1EMkNoxMgYVen0yoif

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

gmstar23.xyz:4044

scgsdstat14tp.xyz:4044

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc

Executes dropped EXE 1 IoCs

pid	Process
3756	uthtuur.exe

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	88.216.223.2

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Proxy
T1090

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\uthtuur.job	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
File opened for modification	C:\Windows\Tasks\uthtuur.job	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4764	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
4764	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe

C:\Users\Admin\AppData\Local\Temp\365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
"C:\Users\Admin\AppData\Local\Temp\365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4764

C:\ProgramData\cjmuxdh\uthtuur.exe
C:\ProgramData\cjmuxdh\uthtuur.exe start
1⤵
- Executes dropped EXE
PID:3756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Proxy

T1090

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\cjmuxdh\uthtuur.exe

Filesize
30KB

MD5
2ad2c7b5700f4246447b90f07ec5359b

SHA1
e9bf283f6dba0c0707a748fbd4a7c6f0c330f7d7

SHA256
365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08

SHA512
625090c4b634c6d95b08bc8965d7445307c242ca9d6fb9e17cf402e82de317c33b21a3a894ec9ff12fbffa2c4fd17d7647c5db3414b81c6f48f565dd2257214c

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