systembc | 50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5

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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe

Executes dropped EXE 1 IoCs

pid	Process
4324	daj wiquodo vihe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4324 set thread context of 3528	4324	daj wiquodo vihe.exe	98

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_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
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

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
4872	PING.EXE
4960	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4872	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
1580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe
4324	daj wiquodo vihe.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 1580	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	91
PID 3296 wrote to memory of 1580	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	91
PID 3296 wrote to memory of 1580	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	91
PID 3296 wrote to memory of 4324	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	93
PID 3296 wrote to memory of 4324	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	93
PID 3296 wrote to memory of 4324	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	93
PID 3296 wrote to memory of 4960	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	94
PID 3296 wrote to memory of 4960	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	94
PID 3296 wrote to memory of 4960	3296	JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe	94
PID 4960 wrote to memory of 5000	4960	cmd.exe	96
PID 4960 wrote to memory of 5000	4960	cmd.exe	96
PID 4960 wrote to memory of 5000	4960	cmd.exe	96
PID 4960 wrote to memory of 4872	4960	cmd.exe	97
PID 4960 wrote to memory of 4872	4960	cmd.exe	97
PID 4960 wrote to memory of 4872	4960	cmd.exe	97
PID 4324 wrote to memory of 3528	4324	daj wiquodo vihe.exe	98
PID 4324 wrote to memory of 3528	4324	daj wiquodo vihe.exe	98
PID 4324 wrote to memory of 3528	4324	daj wiquodo vihe.exe	98
PID 4324 wrote to memory of 3528	4324	daj wiquodo vihe.exe	98
PID 4324 wrote to memory of 3528	4324	daj wiquodo vihe.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50bc4885a2f0311d7ebbe431fd73b3fa03d1352254927e55e8aa6b97ee0100b5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3296
- 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:1580
- 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:4324
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:3528
- 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⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5000
- - 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:4872

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

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/3296-1-0x0000000002350000-0x0000000002CD1000-memory.dmp

Filesize
9.5MB

Download
memory/3296-3-0x0000000002CE0000-0x0000000002E7B000-memory.dmp

Filesize
1.6MB

Download
memory/3296-4-0x0000000002350000-0x0000000002CD1000-memory.dmp

Filesize
9.5MB

Download
memory/3296-5-0x0000000002CE0000-0x0000000002E7B000-memory.dmp

Filesize
1.6MB

Download
memory/3528-24-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3528-26-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3528-27-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4324-18-0x00000000022B0000-0x0000000002C32000-memory.dmp

Filesize
9.5MB

Download
memory/4324-20-0x0000000002C40000-0x0000000002DD9000-memory.dmp

Filesize
1.6MB

Download
memory/4324-21-0x00000000022B0000-0x0000000002C32000-memory.dmp

Filesize
9.5MB

Download
memory/4324-22-0x0000000002C40000-0x0000000002DD9000-memory.dmp

Filesize
1.6MB

Download
memory/4324-23-0x0000000010780000-0x00000000107F1000-memory.dmp

Filesize
452KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads