Analysis
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max time kernel
146s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2025, 12:13
Behavioral task
behavioral1
Sample
JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe
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Size
353KB
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MD5
c7762705ee54de6da6b5637c4ef04f85
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SHA1
fd70accb2903b6fcd58017604da341b9697b0af0
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SHA256
4faa52890c2fcfd276f09e14307b986a6f09b364a3e0e9b78c951b08e23b9931
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SHA512
2433909f7fe20377149feb9ba0a4570124f0bf578d3b05e19e1725e02be36f184a9c8b5f86c60659e7433bb007ce72070f8d9058dfc1cf02b70dfd36805f8743
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SSDEEP
6144:yuf50yi7Yp9tS6VilETu1579ZmhU1eAktso3kxKXX8NCATDDKcHlwKFrszKzONuh:yuR0yoYp9tS6ViuCn79Zm21eAkWmRH8p
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000200000001e748-8.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 4844 rundll32.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSIDLL = "C:\\Windows\\SysWOW64\\rundll32.exe msisdb32.dll,AfOReqV" JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\msisdb32.dll JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe File opened for modification C:\Windows\SysWOW64\msisdb32.dll JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe -
resource yara_rule behavioral2/memory/3088-0-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral2/files/0x000200000001e748-8.dat upx behavioral2/memory/4844-9-0x0000000010000000-0x0000000010086000-memory.dmp upx behavioral2/memory/3088-10-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral2/memory/4844-13-0x0000000010000000-0x0000000010086000-memory.dmp upx behavioral2/memory/4844-25-0x0000000010000000-0x0000000010086000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4204 3088 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 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_c7762705ee54de6da6b5637c4ef04f85.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3088 wrote to memory of 4844 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 84 PID 3088 wrote to memory of 4844 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 84 PID 3088 wrote to memory of 4844 3088 JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe msisdb32.dll,AfOReqV2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 6642⤵
- Program crash
PID:4204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3088 -ip 30881⤵PID:4080
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
172KB
MD5b61079ff3b82d5ce715dcce36f815e68
SHA171a92150736132de10df4ad5a3ea2dd6a91e1292
SHA2568d4b07ac95d671e9db6b337c9ff5605c881845f274cc2a9f82cb447d3a2c44ca
SHA512535ef20486069a6c3aa4b91870f8bd41f8a6c56e526005adbc185890a5db68e8c4bb8e87a435839e71495e7719968b727cb35a90bfbcba72a2ab97ca6a97f3bb