Analysis
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max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 19:12
Static task
static1
Behavioral task
behavioral1
Sample
f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe
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Size
14.5MB
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MD5
f1b843cc2d7e3ff9331102932f909119
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SHA1
89981f7f7f6145380929ec8a16a24a0e7d5620d1
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SHA256
3f6b6baa3603a5cbe9eea30bc37a5cd7b17132926cc057b947acf6fdd0c01635
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SHA512
f414671e71039a0d369d6e113511a412fa2a13115078ed07790dfaee16a4149a1775de478b16bf2742a9218bbd348f200b92bfbb4dbb4bb8cb3b975142ff8096
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SSDEEP
24576:tEqa7lYB5DHlommmm2mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmW:tVl5
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\vvtwrdyq = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2176 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\vvtwrdyq\ImagePath = "C:\\Windows\\SysWOW64\\vvtwrdyq\\sktbylxr.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2172 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
sktbylxr.exepid process 2716 sktbylxr.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sktbylxr.exedescription pid process target process PID 2716 set thread context of 2172 2716 sktbylxr.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 2640 sc.exe 2688 sc.exe 2788 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exesktbylxr.exedescription pid process target process PID 1128 wrote to memory of 2344 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 2344 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 2344 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 2344 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 3004 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 3004 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 3004 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 3004 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe cmd.exe PID 1128 wrote to memory of 2640 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2640 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2640 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2640 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2688 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2688 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2688 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2688 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2788 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2788 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2788 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2788 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe sc.exe PID 1128 wrote to memory of 2176 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe netsh.exe PID 1128 wrote to memory of 2176 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe netsh.exe PID 1128 wrote to memory of 2176 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe netsh.exe PID 1128 wrote to memory of 2176 1128 f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe netsh.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe PID 2716 wrote to memory of 2172 2716 sktbylxr.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vvtwrdyq\2⤵PID:2344
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sktbylxr.exe" C:\Windows\SysWOW64\vvtwrdyq\2⤵PID:3004
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create vvtwrdyq binPath= "C:\Windows\SysWOW64\vvtwrdyq\sktbylxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2640 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description vvtwrdyq "wifi internet conection"2⤵
- Launches sc.exe
PID:2688 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start vvtwrdyq2⤵
- Launches sc.exe
PID:2788 -
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
PID:2176
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C:\Windows\SysWOW64\vvtwrdyq\sktbylxr.exeC:\Windows\SysWOW64\vvtwrdyq\sktbylxr.exe /d"C:\Users\Admin\AppData\Local\Temp\f1b843cc2d7e3ff9331102932f909119_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2172
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
10.7MB
MD58659d4cddb70df413a9c73b86f51ef9c
SHA17c913e32b8f907db6622e4cba897a288412c5e57
SHA256b3ab13b8cf464e6265f3a8fa8913d4ccd6a7e0286abed0059c9214603ef71c41
SHA512a0247136ab0403d1be8b6ab16233575e677e3cb0a72f16aaf441074d6e0de8f9b543a2fd44c07a52e0c0b667a36a497943b54d0b6fb8e0150b8afdb1582dfa08