systembc | f0562d49226fc4776a7991b14f43b2c7a572ae276adef3d3dc3678b8b0894401

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29-07-2024 01:00

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General

Target

2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe
Size

346KB
MD5

2f3ce115601d43d540c57e679259f105
SHA1

79e728592ee89467d88a5c684b93002febcd7e4f
SHA256

f0562d49226fc4776a7991b14f43b2c7a572ae276adef3d3dc3678b8b0894401
SHA512

397f86996de981fe1526b4ce62dab7898b8112517901dffb75e183e612be83ae677d10bf3be41904ce3cb9375460e6479625368fe637fb1d789257d57e1f0cfb
SSDEEP

6144:QXX4Z20mfZDHwMznP9pTz8qv2peSg1Odbr2X3f+gOkXdhFr:Qn4xu5P9p8q+0hOV2XWgO8hFr

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

pid	Process
2320	lcvpdk.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.

flow	ioc
5	api.ipify.org
6	api.ipify.org
7	ip4.seeip.org
8	ip4.seeip.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\lcvpdk.job	2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe
File created	C:\Windows\Tasks\lcvpdk.job	2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lcvpdk.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1772	2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2320	2028	taskeng.exe	30
PID 2028 wrote to memory of 2320	2028	taskeng.exe	30
PID 2028 wrote to memory of 2320	2028	taskeng.exe	30
PID 2028 wrote to memory of 2320	2028	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2f3ce115601d43d540c57e679259f105_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1772

C:\Windows\system32\taskeng.exe
taskeng.exe {724F5E69-0E29-4219-85CA-2FCE2D01EEC9} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\ProgramData\khrobl\lcvpdk.exe
  C:\ProgramData\khrobl\lcvpdk.exe start
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2320

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

Proxy

T1090

Exfiltration

Impact

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Downloads

C:\ProgramData\khrobl\lcvpdk.exe

Filesize
346KB

MD5
2f3ce115601d43d540c57e679259f105

SHA1
79e728592ee89467d88a5c684b93002febcd7e4f

SHA256
f0562d49226fc4776a7991b14f43b2c7a572ae276adef3d3dc3678b8b0894401

SHA512
397f86996de981fe1526b4ce62dab7898b8112517901dffb75e183e612be83ae677d10bf3be41904ce3cb9375460e6479625368fe637fb1d789257d57e1f0cfb

Download Submit
memory/1772-1-0x0000000000CF0000-0x0000000000DF0000-memory.dmp

Filesize
1024KB

Download
memory/1772-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/1772-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-4-0x0000000000400000-0x0000000000C34000-memory.dmp

Filesize
8.2MB

Download
memory/1772-13-0x0000000000CF0000-0x0000000000DF0000-memory.dmp

Filesize
1024KB

Download
memory/1772-14-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2320-11-0x0000000000400000-0x0000000000C34000-memory.dmp

Filesize
8.2MB

Download
memory/2320-12-0x0000000000400000-0x0000000000C34000-memory.dmp

Filesize
8.2MB

Download