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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06/04/2024, 14:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe
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Size
89KB
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MD5
402f2e33f3a863508492018397bf3577
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SHA1
4670c93571a3232e9828d360599713af59d82b6f
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SHA256
94f2ef2d8ea0aff6bc9b15771e5599a5c932e3bc6cfd6ef6cd756e9b3f6148b5
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SHA512
7b8bb839a5f4680175d5533577ad583f285a95eda5cf47c1d1bb0ef2d57b5bd1ff72c213e926c61f118ad2d8ddd46a187d4fc2d6aac7b7f0698d30f8cf9450e5
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SSDEEP
1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoV:vCjsIOtEvwDpj5H8zPsa
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012258-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012258-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3036 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2156 2024-04-06_402f2e33f3a863508492018397bf3577_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 2156 wrote to memory of 3036 2156 2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe 28 PID 2156 wrote to memory of 3036 2156 2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe 28 PID 2156 wrote to memory of 3036 2156 2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe 28 PID 2156 wrote to memory of 3036 2156 2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-06_402f2e33f3a863508492018397bf3577_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
89KB
MD5406a3fa49043077f2719b131489f6dab
SHA13117b5f7a0eb41f779397ac9c70480f348e9fcac
SHA256e48a2276e5f7bf204d2a5214ec2aa3d307b74fa0688a84371b165428d0198de6
SHA5121c21eb43a2e52146c2fed1a3a064fa3b7dcbc519930d97025c72c43fb7e27a35af793af90aa4dfc245aefe196b73d697d4de214ede7df41dd0af5360ad6f206d