Analysis
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max time kernel
6s -
max time network
10s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
01-08-2024 21:26
Static task
static1
Behavioral task
behavioral1
Sample
81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
Resource
win10v2004-20240730-en
Errors
General
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Target
81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
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Size
151KB
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MD5
81c889741b0aeee644495da9e89b0198
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SHA1
ab1d6baff6b2252406b7ca9065d3e0417de90bea
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SHA256
7fefe0ffc332900a888aeb763e845bb5d9198c5756d812f27d45aa43e6013477
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SHA512
7d752f09558fc20482dc38a26f7bf7e031a20bff2664f4d443bc039f89068c1253365d9b02703573bdadce8a1a09c6876379a362318526d44c501a47c7efafbe
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SSDEEP
3072:WPXkW9G8ZTK/a9LhuctP81VlnYV1+vnDKMG/Ygxdf80AeRcL5:WPXkW9pF59l1JwDFvnD2Xf80AnF
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe -
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 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2540 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 2 IoCs
pid Process 2540 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe 2540 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2540 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe Token: SeShutdownPrivilege 2540 81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe"1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:2540
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2052
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2900