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Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 06:28
Static task
static1
Behavioral task
behavioral1
Sample
895783109871b4953b23789d7803319f_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
895783109871b4953b23789d7803319f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
895783109871b4953b23789d7803319f_JaffaCakes118.exe
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Size
356KB
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MD5
895783109871b4953b23789d7803319f
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SHA1
c596a7fbcd31f358141a4909aae68348e4d17d90
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SHA256
58546155a7a5a00036bcdda1a31079c44cbb946017280fb8f8214881a5b66d2e
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SHA512
ab3e1cee7dc4743d19f6369333e96026cf14758460ebc7c8ef74712513cf47c0681723c68eb827dbebf3b96a05a0e0a3f2e608f16d6162f50ec14825ab2d7363
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SSDEEP
6144:s/9EhIuv6fIjEit6S4o15rsewIi2hHdKoOCtIrpa5dd3uGD/RnNFB:MoIstv7rsxM9m3rIddldnNFB
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 895783109871b4953b23789d7803319f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4220 wtvfi.exe -
Loads dropped DLL 1 IoCs
pid Process 4220 wtvfi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4524 1716 WerFault.exe 83 3352 4220 WerFault.exe 97 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 895783109871b4953b23789d7803319f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wtvfi.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4552 cmd.exe 1960 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 2696 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1960 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2696 taskkill.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe -
Suspicious use of SendNotifyMessage 5 IoCs
pid Process 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe 4220 wtvfi.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1716 wrote to memory of 4552 1716 895783109871b4953b23789d7803319f_JaffaCakes118.exe 90 PID 1716 wrote to memory of 4552 1716 895783109871b4953b23789d7803319f_JaffaCakes118.exe 90 PID 1716 wrote to memory of 4552 1716 895783109871b4953b23789d7803319f_JaffaCakes118.exe 90 PID 4552 wrote to memory of 2696 4552 cmd.exe 92 PID 4552 wrote to memory of 2696 4552 cmd.exe 92 PID 4552 wrote to memory of 2696 4552 cmd.exe 92 PID 4552 wrote to memory of 1960 4552 cmd.exe 94 PID 4552 wrote to memory of 1960 4552 cmd.exe 94 PID 4552 wrote to memory of 1960 4552 cmd.exe 94 PID 4552 wrote to memory of 4220 4552 cmd.exe 97 PID 4552 wrote to memory of 4220 4552 cmd.exe 97 PID 4552 wrote to memory of 4220 4552 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\895783109871b4953b23789d7803319f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\895783109871b4953b23789d7803319f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 5002⤵
- Program crash
PID:4524
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1716 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\895783109871b4953b23789d7803319f_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\wtvfi.exe -f2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /pid 17163⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Windows\SysWOW64\PING.EXEping -n 3 127.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1960
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C:\Users\Admin\AppData\Local\wtvfi.exeC:\Users\Admin\AppData\Local\wtvfi.exe -f3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4220 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 4284⤵
- Program crash
PID:3352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1716 -ip 17161⤵PID:1376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4220 -ip 42201⤵PID:2552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
356KB
MD5895783109871b4953b23789d7803319f
SHA1c596a7fbcd31f358141a4909aae68348e4d17d90
SHA25658546155a7a5a00036bcdda1a31079c44cbb946017280fb8f8214881a5b66d2e
SHA512ab3e1cee7dc4743d19f6369333e96026cf14758460ebc7c8ef74712513cf47c0681723c68eb827dbebf3b96a05a0e0a3f2e608f16d6162f50ec14825ab2d7363