Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16-04-2024 14:58
Static task
static1
Behavioral task
behavioral1
Sample
f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe
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Size
344KB
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MD5
f3baa4ed45dc9d0b254f70e6e4b0ac0f
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SHA1
b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe
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SHA256
16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332
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SHA512
13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a
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SSDEEP
6144:BPhtfImvvB2SRwvGklHadh1jCTz9Up+pcBywGFIutJ1H:BXIuvBPRw+klH+PjCn9UpJBlGO
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Signatures
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Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 752 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vctuzlzk\ImagePath = "C:\\Windows\\SysWOW64\\vctuzlzk\\gmhktccx.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 872 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
gmhktccx.exepid process 2312 gmhktccx.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
gmhktccx.exedescription pid process target process PID 2312 set thread context of 872 2312 gmhktccx.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2908 sc.exe 3080 sc.exe 4952 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3068 4620 WerFault.exe f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe 4892 2312 WerFault.exe gmhktccx.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exegmhktccx.exedescription pid process target process PID 4620 wrote to memory of 4148 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 4148 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 4148 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 3376 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 3376 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 3376 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe cmd.exe PID 4620 wrote to memory of 2908 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 2908 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 2908 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 3080 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 3080 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 3080 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 4952 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 4952 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 4952 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe sc.exe PID 4620 wrote to memory of 752 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe netsh.exe PID 4620 wrote to memory of 752 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe netsh.exe PID 4620 wrote to memory of 752 4620 f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe netsh.exe PID 2312 wrote to memory of 872 2312 gmhktccx.exe svchost.exe PID 2312 wrote to memory of 872 2312 gmhktccx.exe svchost.exe PID 2312 wrote to memory of 872 2312 gmhktccx.exe svchost.exe PID 2312 wrote to memory of 872 2312 gmhktccx.exe svchost.exe PID 2312 wrote to memory of 872 2312 gmhktccx.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vctuzlzk\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gmhktccx.exe" C:\Windows\SysWOW64\vctuzlzk\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create vctuzlzk binPath= "C:\Windows\SysWOW64\vctuzlzk\gmhktccx.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description vctuzlzk "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start vctuzlzk2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 8922⤵
- Program crash
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C:\Windows\SysWOW64\vctuzlzk\gmhktccx.exeC:\Windows\SysWOW64\vctuzlzk\gmhktccx.exe /d"C:\Users\Admin\AppData\Local\Temp\f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 5322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4620 -ip 46201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2312 -ip 23121⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\gmhktccx.exeFilesize
14.7MB
MD5a6bdf7aac06349571132d07c13abc748
SHA143406290978134f1e4ef0f72ee29776dbc278d24
SHA25657180047e973a0e5f85dce919d956f6b669ab14d71d7eb238c1424f8476c1742
SHA512d824f5fdd449b819f60f5b90ed2d95b69267183b1512a0036b0d6a286d1541ad118e5bcc2138bec341bb0507e60b52548f3a9420d80b2f35d3c992e649ee1b05
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memory/872-16-0x0000000000F50000-0x0000000000F65000-memory.dmpFilesize
84KB
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memory/872-11-0x0000000000F50000-0x0000000000F65000-memory.dmpFilesize
84KB
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memory/872-18-0x0000000000F50000-0x0000000000F65000-memory.dmpFilesize
84KB
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memory/872-19-0x0000000000F50000-0x0000000000F65000-memory.dmpFilesize
84KB
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memory/2312-10-0x0000000000850000-0x0000000000950000-memory.dmpFilesize
1024KB
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memory/2312-12-0x0000000000400000-0x0000000000788000-memory.dmpFilesize
3.5MB
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memory/2312-17-0x0000000000400000-0x0000000000788000-memory.dmpFilesize
3.5MB
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memory/4620-4-0x0000000000400000-0x0000000000788000-memory.dmpFilesize
3.5MB
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memory/4620-2-0x0000000000920000-0x0000000000933000-memory.dmpFilesize
76KB
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memory/4620-8-0x0000000000400000-0x0000000000788000-memory.dmpFilesize
3.5MB
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memory/4620-9-0x0000000000920000-0x0000000000933000-memory.dmpFilesize
76KB
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memory/4620-1-0x0000000000A30000-0x0000000000B30000-memory.dmpFilesize
1024KB