Analysis
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max time kernel
147s -
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, 02:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe
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Size
47KB
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MD5
a3a9dd626a688327ca80c15d785ca282
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SHA1
f59b23609205260aa94f58077d432851787eb80a
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SHA256
7f4406ab86bc17d47f02ae640b5935358865109d4b8f2e5c67e5871c32582ca6
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SHA512
508f4e7c9fe1bfa0776c8348dde9311e048691b393b2bc797763538375ae471bdfc123ce3e447bf1fdd46e7dc1445d5a8fa96f141bca005f82c5b090b0fd2e06
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsix:V6QFElP6n+gMQMOtEvwDpjyaYaFAh39x
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001227f-13.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001227f-13.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1228 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2424 2024-06-11_a3a9dd626a688327ca80c15d785ca282_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 2424 wrote to memory of 1228 2424 2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe 28 PID 2424 wrote to memory of 1228 2424 2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe 28 PID 2424 wrote to memory of 1228 2424 2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe 28 PID 2424 wrote to memory of 1228 2424 2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD53f264bc0acae630d3487fd93adc95135
SHA14c162fc3fe599152d13d6b40cf3b442a4ff963d3
SHA256aa321c7bb31c9450c2df8e87d1a3b1f1391fbdf5de55e21014ee9dcd371cd839
SHA5123f28694fd09b9d4c0e5431c0ed3ab6cc26d2a0aafa5dffc493b3a0f9de39fb4bb6bf6199ba9c78a338ed1cfa43ed75bfa68709d59e0be760e9fae43a69b86bba