Analysis
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max time kernel
144s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
16-04-2024 08:18
Static task
static1
Behavioral task
behavioral1
Sample
f313185687c6097504477b7f37195cdf_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
f313185687c6097504477b7f37195cdf_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f313185687c6097504477b7f37195cdf_JaffaCakes118.exe
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Size
11.5MB
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MD5
f313185687c6097504477b7f37195cdf
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SHA1
fe641fc06084e7289b9981cd907fce4368b91e23
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SHA256
560fc803cd88d0362d75b40fc0b3513330ff754c4d3115a7675aefb4b08fa36f
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SHA512
8885b3fa9f3026717953797178a2c2bf4cb4c22bebf9d343e2f13a132c8e2cd90595fa66a28cfc5f1236e097046150db84b80142a437ed61faa7cda61e538ea0
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SSDEEP
49152:ljrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr:V
Malware Config
Extracted
tofsee
43.231.4.7
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\feqvyilb = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2456 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\feqvyilb\ImagePath = "C:\\Windows\\SysWOW64\\feqvyilb\\zxeazigx.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2792 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
zxeazigx.exepid process 2572 zxeazigx.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
zxeazigx.exedescription pid process target process PID 2572 set thread context of 2792 2572 zxeazigx.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 2660 sc.exe 2656 sc.exe 2464 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:
f313185687c6097504477b7f37195cdf_JaffaCakes118.exezxeazigx.exedescription pid process target process PID 2364 wrote to memory of 1744 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 1744 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 1744 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 1744 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 2636 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 2636 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 2636 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 2636 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe cmd.exe PID 2364 wrote to memory of 2660 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2660 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2660 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2660 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2656 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2656 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2656 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2656 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2464 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2464 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2464 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2364 wrote to memory of 2464 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe sc.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2572 wrote to memory of 2792 2572 zxeazigx.exe svchost.exe PID 2364 wrote to memory of 2456 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe netsh.exe PID 2364 wrote to memory of 2456 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe netsh.exe PID 2364 wrote to memory of 2456 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe netsh.exe PID 2364 wrote to memory of 2456 2364 f313185687c6097504477b7f37195cdf_JaffaCakes118.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_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\feqvyilb\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zxeazigx.exe" C:\Windows\SysWOW64\feqvyilb\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create feqvyilb binPath= "C:\Windows\SysWOW64\feqvyilb\zxeazigx.exe /d\"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_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 feqvyilb "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start feqvyilb2⤵
- 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\feqvyilb\zxeazigx.exeC:\Windows\SysWOW64\feqvyilb\zxeazigx.exe /d"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_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\zxeazigx.exeFilesize
14.8MB
MD552330ee7ae5e569c24236ad0daa71c7f
SHA1438c7684bf1af97ea19cc3b4ded9da1903408e62
SHA256b957511d86196d10a785019f696ec10e8213285f209ada2eece45a3477a8ef45
SHA512ddce6f442dc1f2cd5c0d7f29ccf44f70f7f733a91201de74c7a3ddd8e15e1d87766349e4db717ebd4bdbb12f718f51fe685c056e3a083cd715bee597d03cb9dc
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memory/2364-18-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2364-3-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/2364-1-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2364-2-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/2364-0-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2572-16-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2572-7-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2572-8-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/2792-10-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB
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memory/2792-13-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB
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memory/2792-17-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB
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memory/2792-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2792-19-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB
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memory/2792-20-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB
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memory/2792-21-0x00000000000C0000-0x00000000000D5000-memory.dmpFilesize
84KB