b12f2000d3f1dfaa1f0372ab36ac1edf7743fe879c82f9009f5821225ee4897d

General

Target

b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
Size

55KB
MD5

b9a81478c33603bd3b8154ace1dec634
SHA1

3a1409a7ceca2c69fd7a356728d10817ed23245f
SHA256

b12f2000d3f1dfaa1f0372ab36ac1edf7743fe879c82f9009f5821225ee4897d
SHA512

8b7d9bae301cce42b34cdfc677934b43c6f93717b3a6770d4a07bc9d2bc7e775f1bf2cfe78e1d3b36bef05690fb35039da63312210ca24e4d96a5842fd6843b0
SSDEEP

768:Wc648rcDTCuajJ366d1S+lQFvv1YoOMNgbZpuNMrY7JsaeIwDJ8UJJk:WHuajJ366fcYoEtObeaIU

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\dumprepk	MSCONFIG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\dumprepk\StubPath = "C:\\Windows\\MSCONFIG.exe"	MSCONFIG.exe

Deletes itself 1 IoCs

pid	Process
2464	cmd.exe

Executes dropped EXE 3 IoCs

pid	Process
2696	B9A814~1.EXE
2112	MSCONFIG.exe
2820	MSCONFIG.exe

Loads dropped DLL 2 IoCs

pid	Process
2464	cmd.exe
2464	cmd.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\w32_systm.exe	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
File created	C:\Windows\w32_sysbm.bat	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
File created	C:\Windows\MSCONFIG.exe	B9A814~1.EXE
File opened for modification	C:\Windows\MSCONFIG.exe	B9A814~1.EXE

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2820	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 5 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	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	B9A814~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSCONFIG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSCONFIG.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2696	B9A814~1.EXE
2112	MSCONFIG.exe
2820	MSCONFIG.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2820	MSCONFIG.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2464	3004	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	29
PID 3004 wrote to memory of 2464	3004	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	29
PID 3004 wrote to memory of 2464	3004	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	29
PID 3004 wrote to memory of 2464	3004	b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe	29
PID 2464 wrote to memory of 2696	2464	cmd.exe	31
PID 2464 wrote to memory of 2696	2464	cmd.exe	31
PID 2464 wrote to memory of 2696	2464	cmd.exe	31
PID 2464 wrote to memory of 2696	2464	cmd.exe	31
PID 2696 wrote to memory of 2112	2696	B9A814~1.EXE	32
PID 2696 wrote to memory of 2112	2696	B9A814~1.EXE	32
PID 2696 wrote to memory of 2112	2696	B9A814~1.EXE	32
PID 2696 wrote to memory of 2112	2696	B9A814~1.EXE	32
PID 2112 wrote to memory of 2820	2112	MSCONFIG.exe	33
PID 2112 wrote to memory of 2820	2112	MSCONFIG.exe	33
PID 2112 wrote to memory of 2820	2112	MSCONFIG.exe	33
PID 2112 wrote to memory of 2820	2112	MSCONFIG.exe	33
PID 2820 wrote to memory of 2968	2820	MSCONFIG.exe	34
PID 2820 wrote to memory of 2968	2820	MSCONFIG.exe	34
PID 2820 wrote to memory of 2968	2820	MSCONFIG.exe	34
PID 2820 wrote to memory of 2968	2820	MSCONFIG.exe	34

C:\Users\Admin\AppData\Local\Temp\b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9a81478c33603bd3b8154ace1dec634_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Windows\w32_sysbm.bat" "
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Users\Admin\AppData\Local\Temp\B9A814~1.EXE
    C:\Users\Admin\AppData\Local\Temp\B9A814~1.EXE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\MSCONFIG.exe
      "C:\Windows\MSCONFIG.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2112
    - - C:\Windows\MSCONFIG.exe
        
        "C:\Windows\MSCONFIG.exe" stm
        5⤵
        Boot or Logon Autostart Execution: Active Setup
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:2820
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 160
        6⤵
        Program crash
        
        PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\w32_sysbm.bat

Filesize
2KB

MD5
fb2c65a9bf6dfc2255229aa5aa2e8995

SHA1
11d09bff6fba5537e7e7fb575a33544aadfa2cb8

SHA256
2ca7d85d41ae077a36533c0498c9a7a167c5bba5f167bb95d847803e2ad0efd7

SHA512
237d63684d08709911b64b20cffb38cd56c7c7c14fc497341b96fe9e647ffdf9d1124a78f2f3423dd4ec5b8adf8b40240fc65b2397efafde79333777724515b0

Download Submit
C:\Windows\w32_systm.exe

Filesize
52KB

MD5
b010589209f3ac3e9f907ae492cd4974

SHA1
804ddd8c7a940b602b9b616ee85e0796c4cbb098

SHA256
a94cbb3cf46ed985a6de6c5705b9dd8365bd1969bc8c8605617d38ccdfe56c94

SHA512
9b011437889fd6c489d62ae0483eca56646b112cf86232294ed9f5bf90910b47dc1efe5fb7867c7ddaa53820bb194d47a61faf89f1e69fad4d576da944a613b6

Download Submit
memory/2112-33-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2696-30-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2820-34-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3004-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads