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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04/05/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe
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Size
54KB
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MD5
86c235b66d9b2482e13a0a2da7d046f2
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SHA1
00e6d08840cdb2b776e5d4cb0f16a7ab136ccfdb
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SHA256
966fea44fe1e8994c36f5c1415a2619f5524f21b687397c4b920f380eeedb54d
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SHA512
11dc76e04dc7550343add9199de011ce076fb066664147ed1f1d7f3299a9f2a198d8457f9653faa2621c07109c0ad117c6278d69c259d8a9dd2f313068419151
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5Uoj:ZVxkGOtEvwDpjcZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000014284-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 1688 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2040 2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_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 2040 wrote to memory of 1688 2040 2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe 28 PID 2040 wrote to memory of 1688 2040 2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe 28 PID 2040 wrote to memory of 1688 2040 2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe 28 PID 2040 wrote to memory of 1688 2040 2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
54KB
MD5d69831c8080fb461e9fde50878a7df32
SHA1c983d943d93c423216047d88c29ba36b1873f2c5
SHA2563824c2c58436a3b2e63be1c5bc6e580c52d96a660334ad9e088676fcdda78a9c
SHA51269de5a4b83fa3b83f435673bb34a86f2eb7eda99aacf31ddd486a3acb875235794b903694a63dc5b2009a3a784ac7bf77fb0edb8e801e4e429e26df8ffb61ed0