systembc | 722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287

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17-04-2024 12:21

240417-pjbxssee52 10

17-04-2024 12:20

17-04-2024 12:20

17-04-2024 12:20

17-04-2024 12:20

17-04-2024 06:15

Analysis

max time kernel
311s
max time network
319s
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 12:20

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General

Target

722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe
Size

856KB
MD5

f7d59f44fee4981011624cfad18f5337
SHA1

db1cb01bfb123b2f5fb1240d57f263573d90433f
SHA256

722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287
SHA512

633774cda15ad084b8aa6cdde1783450c3bafdfb744cf3e79066632e785261f93e520b5a0f346623727f2158f562b691ab16b0e55bc209f364414843df929965
SSDEEP

1536:ysXQ0yVN2gV0GnoX1kPYqwtFUNn0WJWsa9tjUQukOVRct3Z3zAtp:xQX2gV1lwqaFFF9tjUXfVRo

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

asdasd08.com:4039

asdasd08.xyz:4039

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1648	uxgc.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	88.198.207.48

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
39	api.ipify.org
40	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\uxgc.job	722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe
File opened for modification	C:\Windows\Tasks\uxgc.job	722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
628	722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe
628	722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe

C:\Users\Admin\AppData\Local\Temp\722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe
"C:\Users\Admin\AppData\Local\Temp\722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:628

C:\ProgramData\wtliisc\uxgc.exe
C:\ProgramData\wtliisc\uxgc.exe start
1⤵
- Executes dropped EXE
PID:1648

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=3912 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:4640

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\wtliisc\uxgc.exe

Filesize
856KB

MD5
f7d59f44fee4981011624cfad18f5337

SHA1
db1cb01bfb123b2f5fb1240d57f263573d90433f

SHA256
722aff7500dfce8737389cef11282becce37827df3ca9069b68bac66efb02287

SHA512
633774cda15ad084b8aa6cdde1783450c3bafdfb744cf3e79066632e785261f93e520b5a0f346623727f2158f562b691ab16b0e55bc209f364414843df929965

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