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Analysis
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max time kernel
144s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/12/2024, 10:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe
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Size
299KB
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MD5
a31d942ddc979a8c1d46608d5aa428ef
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SHA1
ddf40346d87a918d13bfe5f378a389c100538c59
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SHA256
704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2
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SHA512
3ca502da4715b3bb6dc2e3191a87e6d5f89cd4d64fcd4d4c25650b2f554724f60549aab01e3ec15fda6e86b797322077e9663e90bbe0367c91d5238db568ceb0
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SSDEEP
6144:rcjMScmcUfbnJRoc904tsKZ4g+8IvhGDNGxty:rcjXf3V04tsKW78ShKGe
Malware Config
Extracted
tofsee
patmushta.info
parubey.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\huclfhwz = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2864 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\huclfhwz\ImagePath = "C:\\Windows\\SysWOW64\\huclfhwz\\exmrkmjs.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2788 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2876 exmrkmjs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2876 set thread context of 2788 2876 exmrkmjs.exe 44 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2976 sc.exe 2684 sc.exe 2760 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 cmd.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language exmrkmjs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.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 svchost.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2204 wrote to memory of 536 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 31 PID 2204 wrote to memory of 536 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 31 PID 2204 wrote to memory of 536 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 31 PID 2204 wrote to memory of 536 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 31 PID 2204 wrote to memory of 932 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 33 PID 2204 wrote to memory of 932 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 33 PID 2204 wrote to memory of 932 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 33 PID 2204 wrote to memory of 932 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 33 PID 2204 wrote to memory of 2976 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 35 PID 2204 wrote to memory of 2976 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 35 PID 2204 wrote to memory of 2976 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 35 PID 2204 wrote to memory of 2976 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 35 PID 2204 wrote to memory of 2684 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 37 PID 2204 wrote to memory of 2684 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 37 PID 2204 wrote to memory of 2684 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 37 PID 2204 wrote to memory of 2684 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 37 PID 2204 wrote to memory of 2760 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 39 PID 2204 wrote to memory of 2760 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 39 PID 2204 wrote to memory of 2760 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 39 PID 2204 wrote to memory of 2760 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 39 PID 2204 wrote to memory of 2864 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 42 PID 2204 wrote to memory of 2864 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 42 PID 2204 wrote to memory of 2864 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 42 PID 2204 wrote to memory of 2864 2204 JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe 42 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44 PID 2876 wrote to memory of 2788 2876 exmrkmjs.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\huclfhwz\2⤵
- System Location Discovery: System Language Discovery
PID:536
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\exmrkmjs.exe" C:\Windows\SysWOW64\huclfhwz\2⤵
- System Location Discovery: System Language Discovery
PID:932
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create huclfhwz binPath= "C:\Windows\SysWOW64\huclfhwz\exmrkmjs.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2976
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description huclfhwz "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2684
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start huclfhwz2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2760
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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:2864
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C:\Windows\SysWOW64\huclfhwz\exmrkmjs.exeC:\Windows\SysWOW64\huclfhwz\exmrkmjs.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_704f5e94f68cb6eab31620994c481bdcc2f99ab2976be6adeabf62900b7e32d2.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2788
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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
Loading Replay Monitor...
Downloads
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Filesize
13.0MB
MD5db0e95cba57f08fa204dbcda14deb514
SHA155b53ee4899bb5f2462d87f7622e81a6cf958106
SHA256ab83985262e89b368569072c239dfe50e71cf686e93fa9530e63620931d1bbbc
SHA512ae91e15dfeba44233b75ca7176af807a86a02b5c3f860a41e0b95d8696d6548d79ae2e9334a265b8fabc127eb7001b4da77ae48eb2dc6e207e2e2167cb957e5e