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Analysis
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max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
29/12/2024, 13:40
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe
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Size
164KB
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MD5
109545ccd346a64438c76ad20826e428
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SHA1
b82cc2dd0a82359f66e70bdcdbb906fe977f2742
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SHA256
1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2
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SHA512
687069148861245b2facf2024036a881f3afc43e52b81419f0c7248288a1853106d67a1c5cd27017ad18cd0f4837216d61b49488eeaad843436940a130aad848
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SSDEEP
1536:dJI8UMLeRaE1C6XYLrh8PL7gzXZ87TQBpoC/o3jjIcUQRfr5AICRZShtDj46H9Dg:d1uZg7ZoCQ3jbBr5LQShtf4w7zS9H6l
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\znnmddmt = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2404 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\znnmddmt\ImagePath = "C:\\Windows\\SysWOW64\\znnmddmt\\ykweepem.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2020 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2616 ykweepem.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2616 set thread context of 2020 2616 ykweepem.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2736 sc.exe 2768 sc.exe 2572 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ykweepem.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2680 wrote to memory of 2776 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 30 PID 2680 wrote to memory of 2776 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 30 PID 2680 wrote to memory of 2776 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 30 PID 2680 wrote to memory of 2776 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 30 PID 2680 wrote to memory of 2400 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 32 PID 2680 wrote to memory of 2400 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 32 PID 2680 wrote to memory of 2400 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 32 PID 2680 wrote to memory of 2400 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 32 PID 2680 wrote to memory of 2736 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 34 PID 2680 wrote to memory of 2736 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 34 PID 2680 wrote to memory of 2736 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 34 PID 2680 wrote to memory of 2736 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 34 PID 2680 wrote to memory of 2768 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 36 PID 2680 wrote to memory of 2768 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 36 PID 2680 wrote to memory of 2768 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 36 PID 2680 wrote to memory of 2768 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 36 PID 2680 wrote to memory of 2572 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 38 PID 2680 wrote to memory of 2572 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 38 PID 2680 wrote to memory of 2572 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 38 PID 2680 wrote to memory of 2572 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 38 PID 2680 wrote to memory of 2404 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 41 PID 2680 wrote to memory of 2404 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 41 PID 2680 wrote to memory of 2404 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 41 PID 2680 wrote to memory of 2404 2680 JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe 41 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43 PID 2616 wrote to memory of 2020 2616 ykweepem.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\znnmddmt\2⤵
- System Location Discovery: System Language Discovery
PID:2776
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ykweepem.exe" C:\Windows\SysWOW64\znnmddmt\2⤵
- System Location Discovery: System Language Discovery
PID:2400
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create znnmddmt binPath= "C:\Windows\SysWOW64\znnmddmt\ykweepem.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2736
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description znnmddmt "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2768
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start znnmddmt2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2572
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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
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2404
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C:\Windows\SysWOW64\znnmddmt\ykweepem.exeC:\Windows\SysWOW64\znnmddmt\ykweepem.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2020
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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
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
10.3MB
MD5ff2c3116c4897e6ea2527f70dd16091a
SHA1fb4c210aae3edc902283cbaa771771fb68ee6c25
SHA256359b1f50e12910368eca38e90757eec3163a147d668bfe94936b657db68f1c11
SHA512633b076078180044a7b3fc221323cfe02ed655df222af83b8e58a6a61514dba691e7bf9794d108658aca5d6802b600fda56fa4c890b692ffd111e8705915f3dc