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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
25/05/2024, 02:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe
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Size
50KB
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MD5
989ea9edf7979349728002fb556f62d5
-
SHA1
c3f6f7d41bcd4bfcf6b46213fb0df332d85d2765
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SHA256
efcdfd8a892183cbe490aae6099f9e2c077a1bc3a1791dcda4940515f2fec26b
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SHA512
d3a134d47e2f59cec16edc1db5f361440f28bda4434b491628a8fd04c763988bae437c9596d863310b856e9fb243528410e6248c886a3bbdba9abcda2d2afec4
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8r8:ZVxkGOtEvwDpjcs
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012286-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2992 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1940 2024-05-25_989ea9edf7979349728002fb556f62d5_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 1940 wrote to memory of 2992 1940 2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe 28 PID 1940 wrote to memory of 2992 1940 2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe 28 PID 1940 wrote to memory of 2992 1940 2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe 28 PID 1940 wrote to memory of 2992 1940 2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD5920dcaf71c3471312138b09c50640594
SHA15e0ae006e1d719db484b0aefc0d676f1b53bddc9
SHA25663678d1dff16a929f707a40c91d4fbbf34f41daaabf869997b03d130671b1ba6
SHA512e64533358a70715ffdb5218e9b48e0ff5aec30f64b000c844d2bc9c97284b5b1962afbc3686dc8d31fea10377b3630a56246e65fbf38f0c4d47690ba7361b1e4