Analysis
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max time kernel
147s -
max time network
154s -
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 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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Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3388 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\pjyfyfto\ImagePath = "C:\\Windows\\SysWOW64\\pjyfyfto\\ifxokbxv.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2260 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
ifxokbxv.exepid process 1692 ifxokbxv.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ifxokbxv.exedescription pid process target process PID 1692 set thread context of 2260 1692 ifxokbxv.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 1340 sc.exe 1512 sc.exe 3640 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1460 2972 WerFault.exe f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe 4412 1692 WerFault.exe ifxokbxv.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exeifxokbxv.exedescription pid process target process PID 2972 wrote to memory of 4416 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 4416 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 4416 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 1144 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 1144 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 1144 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe cmd.exe PID 2972 wrote to memory of 3640 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 3640 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 3640 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1340 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1340 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1340 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1512 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1512 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 1512 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe sc.exe PID 2972 wrote to memory of 3388 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 2972 wrote to memory of 3388 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 2972 wrote to memory of 3388 2972 f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118.exe netsh.exe PID 1692 wrote to memory of 2260 1692 ifxokbxv.exe svchost.exe PID 1692 wrote to memory of 2260 1692 ifxokbxv.exe svchost.exe PID 1692 wrote to memory of 2260 1692 ifxokbxv.exe svchost.exe PID 1692 wrote to memory of 2260 1692 ifxokbxv.exe svchost.exe PID 1692 wrote to memory of 2260 1692 ifxokbxv.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⤵
- 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\pjyfyfto\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ifxokbxv.exe" C:\Windows\SysWOW64\pjyfyfto\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create pjyfyfto binPath= "C:\Windows\SysWOW64\pjyfyfto\ifxokbxv.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 pjyfyfto "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start pjyfyfto2⤵
- 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\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 10402⤵
- Program crash
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C:\Windows\SysWOW64\pjyfyfto\ifxokbxv.exeC:\Windows\SysWOW64\pjyfyfto\ifxokbxv.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⤵
- Sets service image path in registry
- Deletes itself
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 5122⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2972 -ip 29721⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1692 -ip 16921⤵
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\ifxokbxv.exeFilesize
11.8MB
MD53eb2478a21d1e96ca1d6cb47930dade3
SHA137191dc922aa727a238b13529b36713ac446a7b0
SHA2564c48ca2eb12fed268196943d26049987f4f17a1a8f5d0c27f0d5201987452c1a
SHA51202de0c7da721cc4f95e81e29278eeea36f6a9aea0712f0c64862ce792981c409182b0dea643297ad1f7c1e107689252f6a84151f813d67a9f3edd51132b74d8d
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memory/1692-10-0x0000000000CF0000-0x0000000000DF0000-memory.dmpFilesize
1024KB
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memory/1692-12-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/1692-17-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/2260-11-0x0000000000500000-0x0000000000515000-memory.dmpFilesize
84KB
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memory/2260-15-0x0000000000500000-0x0000000000515000-memory.dmpFilesize
84KB
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memory/2260-16-0x0000000000500000-0x0000000000515000-memory.dmpFilesize
84KB
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memory/2260-18-0x0000000000500000-0x0000000000515000-memory.dmpFilesize
84KB
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memory/2260-19-0x0000000000500000-0x0000000000515000-memory.dmpFilesize
84KB
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memory/2972-4-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/2972-2-0x0000000000EB0000-0x0000000000EC3000-memory.dmpFilesize
76KB
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memory/2972-7-0x0000000000400000-0x0000000000C0A000-memory.dmpFilesize
8.0MB
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memory/2972-8-0x0000000000EB0000-0x0000000000EC3000-memory.dmpFilesize
76KB
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memory/2972-1-0x0000000000F30000-0x0000000001030000-memory.dmpFilesize
1024KB