Analysis
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max time kernel
145s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 19:25
Static task
static1
Behavioral task
behavioral1
Sample
f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe
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Size
13.1MB
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MD5
f1bdc796ba64b96cd4aaaf20ff3da0cc
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SHA1
3853853e87d469821b136c75f4bc16b09a9c5a2b
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SHA256
46c879741fc6d476d4ff3edcd1b33c43c5b6107958925d706dd83fb0b1035f20
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SHA512
e6876df269d2c0559484e37b0da780191c45ae3a6b3d48b7dc01002e5a789e696a6fe7b9674e60d90e94bd5214a7ebb2012a3bd39bf381bc79d40aa33b5bf92a
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SSDEEP
24576:Vl3YWRibbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbn:
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 5072 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\kbzegtoa\ImagePath = "C:\\Windows\\SysWOW64\\kbzegtoa\\nqagnyrh.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2368 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
nqagnyrh.exepid process 3492 nqagnyrh.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
nqagnyrh.exedescription pid process target process PID 3492 set thread context of 2368 3492 nqagnyrh.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 928 sc.exe 2320 sc.exe 4072 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:
f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exenqagnyrh.exedescription pid process target process PID 3704 wrote to memory of 2072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 2072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 2072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 4756 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 4756 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 4756 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe cmd.exe PID 3704 wrote to memory of 928 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 928 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 928 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 2320 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 2320 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 2320 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 4072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 4072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 4072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe sc.exe PID 3704 wrote to memory of 5072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe netsh.exe PID 3704 wrote to memory of 5072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe netsh.exe PID 3704 wrote to memory of 5072 3704 f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe netsh.exe PID 3492 wrote to memory of 2368 3492 nqagnyrh.exe svchost.exe PID 3492 wrote to memory of 2368 3492 nqagnyrh.exe svchost.exe PID 3492 wrote to memory of 2368 3492 nqagnyrh.exe svchost.exe PID 3492 wrote to memory of 2368 3492 nqagnyrh.exe svchost.exe PID 3492 wrote to memory of 2368 3492 nqagnyrh.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kbzegtoa\2⤵PID:2072
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nqagnyrh.exe" C:\Windows\SysWOW64\kbzegtoa\2⤵PID:4756
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create kbzegtoa binPath= "C:\Windows\SysWOW64\kbzegtoa\nqagnyrh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:928 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description kbzegtoa "wifi internet conection"2⤵
- Launches sc.exe
PID:2320 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start kbzegtoa2⤵
- Launches sc.exe
PID:4072 -
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:5072
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C:\Windows\SysWOW64\kbzegtoa\nqagnyrh.exeC:\Windows\SysWOW64\kbzegtoa\nqagnyrh.exe /d"C:\Users\Admin\AppData\Local\Temp\f1bdc796ba64b96cd4aaaf20ff3da0cc_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:2368
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
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Downloads
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Filesize
14.4MB
MD54892caf3f563e96ce613252bab7601a6
SHA150142f382a8c49d509202e7af9bbbf1ec1e7281b
SHA2563bd58a9ae9c819cd1f5fa8b81cca36dbe5181454905b10efb138a170318d411c
SHA5126fe851fcf8ebd34a2ca052bc5de976fe60d6b5fdaf5553653b332fc410af66a4a741b66ff200e67e26c9d7afa89c2c83bc187d64b0d5dae529b777dbfc72528b