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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 18:41
Static task
static1
Behavioral task
behavioral1
Sample
ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll
Resource
win10v2004-20240226-en
General
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Target
ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll
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Size
1.3MB
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MD5
ebbd6fd97bc0685a385126c92c6917fd
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SHA1
a9259be57b32b5178c8f2d48569c1778462a9743
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SHA256
da77c3e9f2a3e8ae8bce8df16229b63faa26fe8c53dff1d79b1313829f4fa887
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SHA512
aa743409730aeb4035e86691bffaf92e226ea2cc09ea2dd8d3007bb754ee1c429d890405e74644ac7e313200d14e024d0a2bf5ef75ef01d400255b89c68b6709
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SSDEEP
24576:GtE5co3MnQXOCQevEQBX1tYrPTnhwWpMCBd4uOMG:GLjQXOg1Kvn7/G
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 33 1640 rundll32.exe -
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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 3124 e584716.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 384 3124 WerFault.exe 92 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4988 wrote to memory of 1640 4988 rundll32.exe 83 PID 4988 wrote to memory of 1640 4988 rundll32.exe 83 PID 4988 wrote to memory of 1640 4988 rundll32.exe 83 PID 1640 wrote to memory of 3124 1640 rundll32.exe 92 PID 1640 wrote to memory of 3124 1640 rundll32.exe 92 PID 1640 wrote to memory of 3124 1640 rundll32.exe 92
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll,#12⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Users\Admin\AppData\Local\Temp\e584716.exe"C:\Users\Admin\AppData\Local\Temp\e584716.exe"3⤵
- Executes dropped EXE
PID:3124 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 8084⤵
- Program crash
PID:384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3124 -ip 31241⤵PID:5112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD5858939a54a0406e5be7220b92b6eb2b3
SHA1da24c0b6f723a74a8ec59e58c9c0aea3e86b7109
SHA256a30f30a109cb78d5eb1969f6c13f01a1e0a5f07b7ad8b133f5d2616223c1ce0a
SHA5128875d1e43ea59314695747796894a2f171e92f7b04024dbc529af1497331489e279cd06ea03061288089d2f07ad437178b9d62f0bae2e16ae0b95c5681569401