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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10/08/2024, 16:31
Static task
static1
Behavioral task
behavioral1
Sample
86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe
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Size
5.8MB
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MD5
86cfa223f7f1b5976ddc5211edbaeda6
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SHA1
7d4bdc0bb18b42ca45ee86a1f68fc50dcd1886e6
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SHA256
a30538fadd01aa54147f568d7a052f634474171a65e790141834d19ae9da0b57
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SHA512
b36f0ffc328e4148007996d4d686a4b60b218240ce4a1f51e6eb95c15aaab07ae71a7b846ec486b32cc983c8413befa865bab7543086db81273289ed0bbef339
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SSDEEP
768:O0OTUQP3nNzcxYBSlWXYtmVY0sxYp3hXP:O0OAc3FcxBsdVdsyBhXP
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\sysdrv32.sys svhost.exe File opened for modification C:\Windows\SysWOW64\drivers\sysdrv32.sys svhost.exe -
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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3712 svhost.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\SVCWINSPOOL 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\SVCWINSPOOL\ = "Service" 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmon = "C:\\Windows\\system\\svhost.exe" 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\svhost.exe 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe File opened for modification C:\Windows\system\svhost.exe 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4664 wrote to memory of 3712 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 85 PID 4664 wrote to memory of 3712 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 85 PID 4664 wrote to memory of 3712 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 85 PID 4664 wrote to memory of 1028 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 89 PID 4664 wrote to memory of 1028 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 89 PID 4664 wrote to memory of 1028 4664 86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\86cfa223f7f1b5976ddc5211edbaeda6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\system\svhost.exe"C:\Windows\system\svhost.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3712
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\86CFA2~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
PID:1028
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Indicator Removal
1File Deletion
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5.8MB
MD586cfa223f7f1b5976ddc5211edbaeda6
SHA17d4bdc0bb18b42ca45ee86a1f68fc50dcd1886e6
SHA256a30538fadd01aa54147f568d7a052f634474171a65e790141834d19ae9da0b57
SHA512b36f0ffc328e4148007996d4d686a4b60b218240ce4a1f51e6eb95c15aaab07ae71a7b846ec486b32cc983c8413befa865bab7543086db81273289ed0bbef339