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Analysis
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max time kernel
141s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
15/07/2024, 21:17
Static task
static1
Behavioral task
behavioral1
Sample
4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe
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Size
422KB
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MD5
4b70f83599510d7a5e8835a3f54138b8
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SHA1
b2b1bacca6baea0868b0f709d6570ea361fb6cc0
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SHA256
35a3cffedae27c865d539e4a17941bd56de3a957900ed4dd162fc2150a69dbb2
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SHA512
5547f4737133fde3cf2f5b6e063305d75cffe0071b69b2c78e1cfbd978b8cf51d28542933117e2a124aec3ec27046eb1f9a4124177644b642afa93d9e86f152c
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SSDEEP
12288:H3BEaZsRDHux7TSFqq2x49QTLpzkvFMPVrk7e0yk:hZsRDi7Tiv2x4eyMdrk7e0
Malware Config
Signatures
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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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\IAV = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe /cs:0 " 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IAV = "\"C:\\0221b2\\IA022_247.exe\" /s" 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe -
Checks for any installed AV software in registry 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\ 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 1128 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1128 taskkill.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3964 wrote to memory of 1128 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 86 PID 3964 wrote to memory of 1128 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 86 PID 3964 wrote to memory of 1128 3964 4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4b70f83599510d7a5e8835a3f54138b8_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Checks for any installed AV software in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\taskkill.exetaskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1128
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