systembc | 365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08

Resubmissions

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
1190s
max time network
1199s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
4732	oxxnmur.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.

flow	ioc
21	api.ipify.org
22	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 opened for modification	C:\Windows\Tasks\oxxnmur.job	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
File created	C:\Windows\Tasks\oxxnmur.job	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3488	365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08.exe
3488	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:3488

C:\ProgramData\llcdcdd\oxxnmur.exe
C:\ProgramData\llcdcdd\oxxnmur.exe start
1⤵
- Executes dropped EXE
PID:4732

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:3652

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3984 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2296

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\llcdcdd\oxxnmur.exe

Filesize
30KB

MD5
2ad2c7b5700f4246447b90f07ec5359b

SHA1
e9bf283f6dba0c0707a748fbd4a7c6f0c330f7d7

SHA256
365d71d6a6fbc9bbb7efee8d4dd142555708c43b93721f86bbdf1f2f42cd6b08

SHA512
625090c4b634c6d95b08bc8965d7445307c242ca9d6fb9e17cf402e82de317c33b21a3a894ec9ff12fbffa2c4fd17d7647c5db3414b81c6f48f565dd2257214c

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