systembc | 50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5

Analysis

max time kernel
144s
max time network
166s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 22:04

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General

Target

JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
Size

795.5MB
MD5

483b63ace3572e1a179275ad61e42d7c
SHA1

56d1ae06bae37ca4484ee041d36e75e1ce3e2327
SHA256

50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5
SHA512

81eacc8ea39579c64f51fa170a5330e95740f73c6a8acb72d7b32cdfdba66453bcfbcd06a12b449b1c0641729c08e23f6c56face11a0837e760d3ec3149ea64d
SSDEEP

24576:EaCZ2GmWV3uRR7xdMhdQ4X9vbEtA4cB7cyZLTokngqiFMazkuojfm+dNz9eEwiI:uZ2GmWFuRRlyhPXIRcpcaxgnzZojf6

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

185.209.30.138:4127

192.168.1.149:4127

Signatures

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

Deletes itself 1 IoCs

pid	Process
2820	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	daj wiquodo vihe.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 1460	3032	daj wiquodo vihe.exe	37

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	daj wiquodo vihe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2820	cmd.exe
2524	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2524	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3032	daj wiquodo vihe.exe
3032	daj wiquodo vihe.exe
3032	daj wiquodo vihe.exe
3032	daj wiquodo vihe.exe
3032	daj wiquodo vihe.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2924	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	30
PID 2368 wrote to memory of 2924	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	30
PID 2368 wrote to memory of 2924	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	30
PID 2368 wrote to memory of 2924	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	30
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 3032	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	32
PID 2368 wrote to memory of 2820	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	33
PID 2368 wrote to memory of 2820	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	33
PID 2368 wrote to memory of 2820	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	33
PID 2368 wrote to memory of 2820	2368	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	33
PID 2820 wrote to memory of 2516	2820	cmd.exe	35
PID 2820 wrote to memory of 2516	2820	cmd.exe	35
PID 2820 wrote to memory of 2516	2820	cmd.exe	35
PID 2820 wrote to memory of 2516	2820	cmd.exe	35
PID 2820 wrote to memory of 2524	2820	cmd.exe	36
PID 2820 wrote to memory of 2524	2820	cmd.exe	36
PID 2820 wrote to memory of 2524	2820	cmd.exe	36
PID 2820 wrote to memory of 2524	2820	cmd.exe	36
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37
PID 3032 wrote to memory of 1460	3032	daj wiquodo vihe.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Xal ditetoh quehisa rayak loyaka pov\daj wiquodo vihe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2924
- C:\Users\Admin\Xal ditetoh quehisa rayak loyaka pov\daj wiquodo vihe.exe
  "C:\Users\Admin\Xal ditetoh quehisa rayak loyaka pov\daj wiquodo vihe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:1460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2516
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1460-18-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1460-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1460-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2368-1-0x0000000001FD0000-0x0000000002949000-memory.dmp

Filesize
9.5MB

Download
memory/2368-2-0x0000000002950000-0x0000000002AE0000-memory.dmp

Filesize
1.6MB

Download
memory/2368-3-0x0000000002950000-0x0000000002AE0000-memory.dmp

Filesize
1.6MB

Download
memory/2368-4-0x0000000001FD0000-0x0000000002949000-memory.dmp

Filesize
9.5MB

Download
memory/2368-5-0x0000000002950000-0x0000000002AE0000-memory.dmp

Filesize
1.6MB

Download
memory/2368-0-0x0000000001FD0000-0x0000000002949000-memory.dmp

Filesize
9.5MB

Download
memory/2368-15-0x0000000002950000-0x0000000002AE0000-memory.dmp

Filesize
1.6MB

Download
memory/3032-13-0x00000000021B0000-0x0000000002B29000-memory.dmp

Filesize
9.5MB

Download
memory/3032-17-0x00000000026D0000-0x0000000002741000-memory.dmp

Filesize
452KB

Download
memory/3032-16-0x0000000002B30000-0x0000000002CC0000-memory.dmp

Filesize
1.6MB

Download
memory/3032-14-0x00000000021B0000-0x0000000002B29000-memory.dmp

Filesize
9.5MB

Download