Analysis
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max time kernel
141s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/04/2024, 05:24
Behavioral task
behavioral1
Sample
ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe
Resource
win7-20240221-en
7 signatures
150 seconds
General
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Target
ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe
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Size
4.7MB
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MD5
ef398b61e90de340dab8751ab744624a
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SHA1
ac7d9ed48889461a2c8848dccd222e95d9464682
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SHA256
b91d9ef912d773a299cd29ebcf63da58dd98ef2e2c01bed0c0b178829dc0178f
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SHA512
39d960ec5c41bf8d9c46bc8de3e93fec500f38b260e96db98270894017011379b673455d5cc4173fca72b07b44bdee9cd4e147fb066401f373cf59f97d8858ca
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SSDEEP
98304:u8lX2QDrA+g+hi0Wf4zQGn3U1iXUPoQivnOQhIwsyPA5+x:JX2ArA+PhFUVHPoNvOQpA5k
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe -
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\SystemBiosVersion ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2008-19-0x0000000000210000-0x0000000000BFA000-memory.dmp themida behavioral1/memory/2008-20-0x0000000000210000-0x0000000000BFA000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2008 ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2584 2008 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2584 2008 ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2584 2008 ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2584 2008 ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2584 2008 ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 5722⤵
- Program crash
PID:2584
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