Analysis
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max time kernel
143s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
16-04-2024 08:21
Static task
static1
Behavioral task
behavioral1
Sample
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe
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Size
13.8MB
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MD5
f3147553bec69b2a2b4001b906c9c8c5
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SHA1
06c668815a1c3134336042e822c8c8a65f3f3434
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SHA256
084d26ac03fadeb25260cb626efda571fc92bca3528d8dae61e30be71d126fae
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SHA512
6e2d33055bb88f1ee81ba1c9d3f567c2ee521562997f4ba291a626a9a13a587de3c746161e4a138f5e63f0f066454685066de465e6da53c1d1322566aed7023f
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SSDEEP
49152:ARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:
Malware Config
Extracted
tofsee
43.231.4.6
lazystax.ru
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\koringe = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2228 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\koringe\ImagePath = "C:\\Windows\\SysWOW64\\koringe\\crvzpctt.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2780 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
crvzpctt.exepid process 2520 crvzpctt.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
crvzpctt.exedescription pid process target process PID 2520 set thread context of 2780 2520 crvzpctt.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 2492 sc.exe 2524 sc.exe 2696 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:
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.execrvzpctt.exedescription pid process target process PID 1192 wrote to memory of 1996 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 1996 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 1996 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 1996 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 3060 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 3060 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 3060 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 3060 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 1192 wrote to memory of 2492 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2492 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2492 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2492 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2524 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2524 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2524 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2524 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2696 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2696 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2696 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2696 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 1192 wrote to memory of 2228 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 1192 wrote to memory of 2228 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 1192 wrote to memory of 2228 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 1192 wrote to memory of 2228 1192 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe PID 2520 wrote to memory of 2780 2520 crvzpctt.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\koringe\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\crvzpctt.exe" C:\Windows\SysWOW64\koringe\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create koringe binPath= "C:\Windows\SysWOW64\koringe\crvzpctt.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3147553bec69b2a2b4001b906c9c8c5_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 koringe "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start koringe2⤵
- 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\koringe\crvzpctt.exeC:\Windows\SysWOW64\koringe\crvzpctt.exe /d"C:\Users\Admin\AppData\Local\Temp\f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\crvzpctt.exeFilesize
13.4MB
MD5691d73273b0a9856bee0a9201f90c855
SHA10fd105c634f082bf6e5446da75c931b3b94a6872
SHA2560e7b50ce2e93dbe54345c2324dc6137b6872cec8c1d8dd782c2ad9e13d1673bc
SHA5127f105e1326877d884a6b1832e3169293cfd39c0ebfdced2b90f5e03f4efee6560cf8e4ecc28d4b5c903997c3112bd541ba87ca549e2acbeefbb4021834aa6bea
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memory/1192-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmpFilesize
1024KB
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memory/1192-2-0x0000000000220000-0x0000000000233000-memory.dmpFilesize
76KB
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memory/1192-4-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/1192-7-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/1192-8-0x0000000000220000-0x0000000000233000-memory.dmpFilesize
76KB
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memory/2520-11-0x0000000000DC0000-0x0000000000EC0000-memory.dmpFilesize
1024KB
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memory/2520-14-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/2520-16-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/2780-10-0x0000000000080000-0x0000000000095000-memory.dmpFilesize
84KB
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memory/2780-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2780-15-0x0000000000080000-0x0000000000095000-memory.dmpFilesize
84KB
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memory/2780-20-0x0000000000080000-0x0000000000095000-memory.dmpFilesize
84KB
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memory/2780-21-0x0000000000080000-0x0000000000095000-memory.dmpFilesize
84KB
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memory/2780-22-0x0000000000080000-0x0000000000095000-memory.dmpFilesize
84KB