Analysis
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max time kernel
144s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 02:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe
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Size
82KB
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MD5
f4d590783aa8198108ab47c243a25950
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SHA1
3b0f0406a92ff0375ae5fdfcbf4177275c9814b9
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SHA256
9650a7ffe07f58cb7d6a4faf613f0451ce0d593945d345b0fcb02cc6c6c6804f
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SHA512
00a083c49ae82ce825dccc2f6ae9bfd9cce7c8048ccb16826d369a0595e03a81a1b3d0669072299d9986a55c0b65e5947387afff8de56fd7c27f166c9ac39eca
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqO:vCjsIOtEvwDpj5H9YvQd2T
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001227e-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001227e-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2712 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2984 2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2984 wrote to memory of 2712 2984 2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe 28 PID 2984 wrote to memory of 2712 2984 2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe 28 PID 2984 wrote to memory of 2712 2984 2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe 28 PID 2984 wrote to memory of 2712 2984 2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
83KB
MD5d8f01b7789f3a8b806c26a3d089209a6
SHA173d0a672cf244b81db65884f91d9d3df9b3f5a60
SHA2560f97b5f86658abd848caf9b8b31685316e64bd52032018e81d104d610acf9f13
SHA5123e4d8d4aaf444b5588ff25676a85046e9d14f25a2d96621201c8153b87782c6455ef343c5dd4ebbfeb1d322c14cf2101dce49d5ef51551f4ea1e072a7b5483f0