Analysis
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max time kernel
142s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-04-2024 14:24
Static task
static1
Behavioral task
behavioral1
Sample
f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe
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Size
11.5MB
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MD5
f82fcc6b28d0ae7b42e6a6a123913719
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SHA1
ca5b8c2a36e2baa53082673f78f65b402182d2bd
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SHA256
3d75c4f3de4c59779cd84d9b938445948a257b5dbe6d291ce64b98d7e0b5e80d
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SHA512
109cb309682d2761bb7d03a2a52718d83f4cc8d437c33dcda17a055c41e5b798057dc63bf3095c4652d0027e7d08d3fbcbfa6aa366dac308cc8926be08e9b4d7
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SSDEEP
49152:i3SkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkE:i3
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\pjcaoeug = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2820 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\pjcaoeug\ImagePath = "C:\\Windows\\SysWOW64\\pjcaoeug\\bbckqlnz.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2468 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
bbckqlnz.exepid process 2472 bbckqlnz.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bbckqlnz.exedescription pid process target process PID 2472 set thread context of 2468 2472 bbckqlnz.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 2588 sc.exe 2552 sc.exe 2560 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:
f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exebbckqlnz.exedescription pid process target process PID 756 wrote to memory of 792 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 792 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 792 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 792 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 2264 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 2264 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 2264 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 2264 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe cmd.exe PID 756 wrote to memory of 2588 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2588 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2588 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2588 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2552 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2552 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2552 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2552 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2560 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2560 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2560 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2560 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe sc.exe PID 756 wrote to memory of 2820 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe netsh.exe PID 756 wrote to memory of 2820 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe netsh.exe PID 756 wrote to memory of 2820 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe netsh.exe PID 756 wrote to memory of 2820 756 f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe netsh.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe PID 2472 wrote to memory of 2468 2472 bbckqlnz.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pjcaoeug\2⤵PID:792
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bbckqlnz.exe" C:\Windows\SysWOW64\pjcaoeug\2⤵PID:2264
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create pjcaoeug binPath= "C:\Windows\SysWOW64\pjcaoeug\bbckqlnz.exe /d\"C:\Users\Admin\AppData\Local\Temp\f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2588
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description pjcaoeug "wifi internet conection"2⤵
- Launches sc.exe
PID:2552
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start pjcaoeug2⤵
- Launches sc.exe
PID:2560
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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
PID:2820
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C:\Windows\SysWOW64\pjcaoeug\bbckqlnz.exeC:\Windows\SysWOW64\pjcaoeug\bbckqlnz.exe /d"C:\Users\Admin\AppData\Local\Temp\f82fcc6b28d0ae7b42e6a6a123913719_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2468
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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
10.4MB
MD5f150995159a29c2ed203dea7350b0117
SHA11a1382930694330fea33f3adea9a2abc72015ec2
SHA25664e5b407e69fa8099e0a5ea0389dd1fb305acbb11e2a838deae0bae32dd5c174
SHA512d48c41faa2a1dfbb108fa67fe9f017fb4946282c63044fdeb764e82f959c687a90caa8d1ae1937724b53d3f5af1efac93fc3920aacf43e0d26415c1dbca2fe82