systembc | 8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c

General

Target

JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
Size

698.1MB
MD5

4ecaa168b95dd762fdcaea1b47b2a112
SHA1

962137afc085b16a55a44bbf6a3d62b2b3d6a6ee
SHA256

8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c
SHA512

445b456ee8456695c75ed46ac65f65d4fb91fae59f05f6d9ed6f98123300aa9a354d19299e17e0a58348db000a9860538066be8fc7ee316ec59dda4ff832d0a5
SSDEEP

49152:WbGala7PGeJAyPjmSE83wQ52Ah1aYIziFbJATz9RJv5gns6hjVDmivym:NaleMyBfHqzR6dVDmivym

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

C2

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
2648	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe

Loads dropped DLL 2 IoCs

pid	Process
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe

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	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	Vik yefas das wam xox fogica migoqua quibi-gicek.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
2648	cmd.exe
2608	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2608	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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe
2940	Vik yefas das wam xox fogica migoqua quibi-gicek.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2768	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	31
PID 2408 wrote to memory of 2768	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	31
PID 2408 wrote to memory of 2768	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	31
PID 2408 wrote to memory of 2768	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	31
PID 2408 wrote to memory of 2940	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	33
PID 2408 wrote to memory of 2940	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	33
PID 2408 wrote to memory of 2940	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	33
PID 2408 wrote to memory of 2940	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	33
PID 2408 wrote to memory of 2648	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	34
PID 2408 wrote to memory of 2648	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	34
PID 2408 wrote to memory of 2648	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	34
PID 2408 wrote to memory of 2648	2408	JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe	34
PID 2648 wrote to memory of 2036	2648	cmd.exe	36
PID 2648 wrote to memory of 2036	2648	cmd.exe	36
PID 2648 wrote to memory of 2036	2648	cmd.exe	36
PID 2648 wrote to memory of 2036	2648	cmd.exe	36
PID 2648 wrote to memory of 2608	2648	cmd.exe	37
PID 2648 wrote to memory of 2608	2648	cmd.exe	37
PID 2648 wrote to memory of 2608	2648	cmd.exe	37
PID 2648 wrote to memory of 2608	2648	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Jogeb pomok\Vik yefas das wam xox fogica migoqua quibi-gicek.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2768
- C:\Users\Admin\Jogeb pomok\Vik yefas das wam xox fogica migoqua quibi-gicek.exe
  "C:\Users\Admin\Jogeb pomok\Vik yefas das wam xox fogica migoqua quibi-gicek.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2940
- 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_8b862b5b0e4fdb4d398055c790a8846089b53ee47ce605efd3198426e4edaf4c.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2036
- - 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:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2408-0-0x0000000001F90000-0x000000000296E000-memory.dmp

Filesize
9.9MB

Download
memory/2408-1-0x0000000001F90000-0x000000000296E000-memory.dmp

Filesize
9.9MB

Download
memory/2408-2-0x0000000002970000-0x0000000002B12000-memory.dmp

Filesize
1.6MB

Download
memory/2408-3-0x0000000002970000-0x0000000002B12000-memory.dmp

Filesize
1.6MB

Download
memory/2408-4-0x0000000001F90000-0x000000000296E000-memory.dmp

Filesize
9.9MB

Download
memory/2408-5-0x0000000002970000-0x0000000002B12000-memory.dmp

Filesize
1.6MB

Download
memory/2408-16-0x0000000002970000-0x0000000002B12000-memory.dmp

Filesize
1.6MB

Download
memory/2940-17-0x0000000001F40000-0x000000000291E000-memory.dmp

Filesize
9.9MB

Download
memory/2940-18-0x0000000002920000-0x0000000002AC2000-memory.dmp

Filesize
1.6MB

Download
memory/2940-19-0x0000000002860000-0x00000000028E7000-memory.dmp

Filesize
540KB

Download
memory/2940-20-0x00000000003F0000-0x00000000003F7000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads