Analysis
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max time kernel
147s -
max time network
152s -
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 05:59
Static task
static1
Behavioral task
behavioral1
Sample
f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
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Size
12.2MB
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MD5
f2d6bac2f4208d668b547848b5b846a6
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SHA1
1dc64444c82eb91d175bd0490eb5147c959a5dca
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SHA256
b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07
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SHA512
2efb885ca1f37d7789d6545d91ac50102f29179c84fef558e1a8655b50ba8b17eeb6d17019e535b4bed91a9841812c5701f8a6d497a652c2ed00b4506ae9146d
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SSDEEP
49152:w7JggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggI:
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.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 2724 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\qvkcfgdk\ImagePath = "C:\\Windows\\SysWOW64\\qvkcfgdk\\pnwxgcrn.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 5060 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
pnwxgcrn.exepid process 5040 pnwxgcrn.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
pnwxgcrn.exedescription pid process target process PID 5040 set thread context of 5060 5040 pnwxgcrn.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 1148 sc.exe 1512 sc.exe 1812 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 23 IoCs
Processes:
f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exepnwxgcrn.exedescription pid process target process PID 2976 wrote to memory of 3740 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 3740 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 3740 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 1652 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 1652 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 1652 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe cmd.exe PID 2976 wrote to memory of 1148 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1148 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1148 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1512 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1512 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1512 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1812 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1812 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 1812 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe sc.exe PID 2976 wrote to memory of 2724 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe netsh.exe PID 2976 wrote to memory of 2724 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe netsh.exe PID 2976 wrote to memory of 2724 2976 f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe netsh.exe PID 5040 wrote to memory of 5060 5040 pnwxgcrn.exe svchost.exe PID 5040 wrote to memory of 5060 5040 pnwxgcrn.exe svchost.exe PID 5040 wrote to memory of 5060 5040 pnwxgcrn.exe svchost.exe PID 5040 wrote to memory of 5060 5040 pnwxgcrn.exe svchost.exe PID 5040 wrote to memory of 5060 5040 pnwxgcrn.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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\qvkcfgdk\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pnwxgcrn.exe" C:\Windows\SysWOW64\qvkcfgdk\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create qvkcfgdk binPath= "C:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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 qvkcfgdk "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start qvkcfgdk2⤵
- 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\qvkcfgdk\pnwxgcrn.exeC:\Windows\SysWOW64\qvkcfgdk\pnwxgcrn.exe /d"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_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
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\pnwxgcrn.exeFilesize
10.5MB
MD50c07f9ba53ed10cc4a8765ef758ac27b
SHA15d39fd040c5d56aafd5e40eac2abbd7d6dcb342e
SHA2566c111cd1a9edf32f1b390e605a8054b676e6e47534b2c61d6b88c3cc294d1711
SHA51294f9981299d3819951f2d13f6411750976597374ab47c7184e7059793106d371c2111e0179ce2e2cc24289f0477c4ea27efa402d8f1cc8281916f8cfdc1792a5
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memory/2976-1-0x00000000006A0000-0x00000000007A0000-memory.dmpFilesize
1024KB
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memory/2976-2-0x0000000000600000-0x0000000000613000-memory.dmpFilesize
76KB
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memory/2976-3-0x0000000000400000-0x0000000000454000-memory.dmpFilesize
336KB
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memory/2976-8-0x0000000000600000-0x0000000000613000-memory.dmpFilesize
76KB
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memory/2976-6-0x0000000000400000-0x0000000000454000-memory.dmpFilesize
336KB
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memory/5040-10-0x0000000000710000-0x0000000000810000-memory.dmpFilesize
1024KB
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memory/5040-11-0x0000000000400000-0x0000000000454000-memory.dmpFilesize
336KB
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memory/5040-15-0x0000000000400000-0x0000000000454000-memory.dmpFilesize
336KB
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memory/5060-12-0x0000000000DE0000-0x0000000000DF5000-memory.dmpFilesize
84KB
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memory/5060-17-0x0000000000DE0000-0x0000000000DF5000-memory.dmpFilesize
84KB
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memory/5060-18-0x0000000000DE0000-0x0000000000DF5000-memory.dmpFilesize
84KB
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memory/5060-19-0x0000000000DE0000-0x0000000000DF5000-memory.dmpFilesize
84KB