Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25/08/2024, 01:14
Behavioral task
behavioral1
Sample
bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe
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Size
532KB
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MD5
bfd5884c1cc81ac62f8154e259a1b28c
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SHA1
8979cbb354fcf32232d09efa7be5f83b6ab9b043
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SHA256
10cc5f75200b88458c146673ae369ce727ff4d94f309b4f18051324feae27548
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SHA512
5337615e0ce2585099bc2a65541a55f719011b1211160b25e2dce7455cc81149640ffe4045fc1751d07a763bd0f30d774f8e8d7a5b46325245b7cd7b1738f512
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SSDEEP
6144:j9JSJLtlgLTFYaQ7kFnjeFzQl+Oh5nW1h0p0tqJuxrGA8:wLGFYaQ7eiFzQlFn+B8JusA8
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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resource yara_rule behavioral1/memory/2720-0-0x0000000000400000-0x00000000004C6000-memory.dmp upx behavioral1/memory/2720-18-0x0000000000400000-0x00000000004C6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 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 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B58C83A4-B58C-83A4-B58C-83A4B58C83A4}\InprocServer32\ = "%CommonProgramFiles(x86)%\\System\\wab32.dll" bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B58C83A4-B58C-83A4-B58C-83A4B58C83A4}\InprocServer32\ThreadingModel = "Apartment" bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B58C83A4-B58C-83A4-B58C-83A4B58C83A4} bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B58C83A4-B58C-83A4-B58C-83A4B58C83A4}\ = "CLSID_ContactUserAccountChangeCallback" bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B58C83A4-B58C-83A4-B58C-83A4B58C83A4}\InprocServer32 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\ProgramData\TEMP:3A1AD068 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe File opened for modification C:\ProgramData\TEMP:3A1AD068 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2720 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2720 bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bfd5884c1cc81ac62f8154e259a1b28c_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
PID:2720