348e3e2a52ffed746bb90ddc3a2908fdc85c32fd2551d8c30223ed30290ad8a1

General

Target

dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe
Size

416KB
MD5

dd4c12c36bbd3a7fcb4c7368594d101d
SHA1

93cbd399d1aad149262b8df0cdd69e6cc2092e8e
SHA256

348e3e2a52ffed746bb90ddc3a2908fdc85c32fd2551d8c30223ed30290ad8a1
SHA512

49bd59e425a7116a6370fccaee8972df19f750a340254e9906be19153b7284c6f082f6b6b8e3e6168e72dfa4cf61f15b922cd3c4f196e94bfcaf58d076532798
SSDEEP

6144:GCkYKD36tLL3izjZqLnioYIzUs/P9yhfJRGkx/6Dq:M36tLLYjZYiIQMPgnx/Oq

Score

7^/10

discovery persistence upx

Malware Config

Signatures

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
4920	service.exe
3220	service.exe
2072	service.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3220-20-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3220-23-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3220-25-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3220-29-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\service.exe"	reg.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	service.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	service.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 3220	4920	service.exe	95
PID 3220 set thread context of 2072	3220	service.exe	96

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
404	2072	WerFault.exe	96

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	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe
4920	service.exe
3220	service.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 704	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	86
PID 4328 wrote to memory of 704	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	86
PID 4328 wrote to memory of 704	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	86
PID 704 wrote to memory of 4736	704	cmd.exe	89
PID 704 wrote to memory of 4736	704	cmd.exe	89
PID 704 wrote to memory of 4736	704	cmd.exe	89
PID 4328 wrote to memory of 4920	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	90
PID 4328 wrote to memory of 4920	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	90
PID 4328 wrote to memory of 4920	4328	dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe	90
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 4920 wrote to memory of 3220	4920	service.exe	95
PID 3220 wrote to memory of 2072	3220	service.exe	96
PID 3220 wrote to memory of 2072	3220	service.exe	96
PID 3220 wrote to memory of 2072	3220	service.exe	96
PID 3220 wrote to memory of 2072	3220	service.exe	96

C:\Users\Admin\AppData\Local\Temp\dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd4c12c36bbd3a7fcb4c7368594d101d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240611921.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:704
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Microsoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\service.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4736
- C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\service.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\service.exe"
    3⤵
    - Executes dropped EXE
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3220
  - - C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
      4⤵
      Executes dropped EXE
      PID:2072
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 80
        5⤵
        Program crash
        
        PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2072 -ip 2072
1⤵
PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\240611921.bat

Filesize
146B

MD5
7eee65b102f30fd1ead48a8cd3b99827

SHA1
2f74a754019f280c6186c11531d460006814952e

SHA256
5748c60056db288b67e61148b339778816279e36907977f4fe03b5df04f6b57f

SHA512
a06de9e35ada579a95b2ba399e4c65b074d642788d456e10e0ae967896ac729c552f715261d9dc8c17fffca8d6b9144a6155ff11ab8569a82bdbd9d26109bd85

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\service.exe

Filesize
416KB

MD5
1eb88ef5aa2533c25c88321907bd5224

SHA1
e1efac481245f63dda807daace940205a21c319e

SHA256
3f713418cb76c55dfed3c61ca4b939001e0ac0582de52482a38768289c3ac429

SHA512
ec75dcd67d078ec33dd1c566752c76946f812f7d0c0f8690e5d3fa0ffad8565c5e5309db24afdc6c23c5eabbcdf0f7f9039349a20c97893cfbc59e723c441454

Download Submit
memory/3220-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3220-23-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3220-25-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3220-29-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads