systembc | 142a2de7157729abf8612c21e0adf05cc33e9b6d479b364e2e1d4073b89c110e

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2024 22:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

273c816d57bb09b14ff288111decf989_JaffaCakes118.exe
Size

237KB
MD5

273c816d57bb09b14ff288111decf989
SHA1

25dd5c1b710b794c0ad4d6a3f7dd17d3a01f28cd
SHA256

142a2de7157729abf8612c21e0adf05cc33e9b6d479b364e2e1d4073b89c110e
SHA512

99d69e94f27577278a2eb79f1bd9fceb25352eef64a4bb09433520491cde430aff2d842214cba34901ae36a93f710e8a6884f16881a7bc88ac0184b767fb167a
SSDEEP

3072:CAscqYX+PWywvu/cMQkCSeXIyZjcW1EOT8TpRg5oXlvDszMVsPHgh:ecfX4EHX7ZhiRVXBaf+

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

knock0909.monster:4035

knock0909.xyz:4035

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

sbluh.exe

pid	Process
384	sbluh.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.

Processes:

flow	ioc
43	api.ipify.org
44	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

273c816d57bb09b14ff288111decf989_JaffaCakes118.exe

description	ioc	Process
File created	C:\Windows\Tasks\sbluh.job	273c816d57bb09b14ff288111decf989_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\sbluh.job	273c816d57bb09b14ff288111decf989_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1792	4704	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

273c816d57bb09b14ff288111decf989_JaffaCakes118.exesbluh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	273c816d57bb09b14ff288111decf989_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbluh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

273c816d57bb09b14ff288111decf989_JaffaCakes118.exe

pid	Process
4704	273c816d57bb09b14ff288111decf989_JaffaCakes118.exe
4704	273c816d57bb09b14ff288111decf989_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\273c816d57bb09b14ff288111decf989_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\273c816d57bb09b14ff288111decf989_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 940
  2⤵
  - Program crash
  PID:1792

C:\ProgramData\afinhqt\sbluh.exe
C:\ProgramData\afinhqt\sbluh.exe start
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4704 -ip 4704
1⤵
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\afinhqt\sbluh.exe

Filesize
237KB

MD5
273c816d57bb09b14ff288111decf989

SHA1
25dd5c1b710b794c0ad4d6a3f7dd17d3a01f28cd

SHA256
142a2de7157729abf8612c21e0adf05cc33e9b6d479b364e2e1d4073b89c110e

SHA512
99d69e94f27577278a2eb79f1bd9fceb25352eef64a4bb09433520491cde430aff2d842214cba34901ae36a93f710e8a6884f16881a7bc88ac0184b767fb167a

Download Submit
memory/384-14-0x0000000000400000-0x0000000004DDF000-memory.dmp

Filesize
73.9MB

Download
memory/4704-1-0x0000000004E10000-0x0000000004F10000-memory.dmp

Filesize
1024KB

Download
memory/4704-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/4704-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4704-4-0x0000000000400000-0x0000000004DDF000-memory.dmp

Filesize
73.9MB

Download
memory/4704-12-0x0000000004E10000-0x0000000004F10000-memory.dmp

Filesize
1024KB

Download
memory/4704-15-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/4704-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download