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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22/04/2024, 10:59
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe
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Size
41KB
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MD5
be602adfd437ff555964cbf8c52b82c9
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SHA1
c62fbc5a4c892c5787c40ec903b9d0a2cc9475d7
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SHA256
5f672a3191b1ffba988862a2c5e9a97bcfa797f780c5878787947528244dd9c4
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SHA512
08ccb11744d18275c40f7a9e13c88fe5a99a1e960a45b55ad44e849f273150d5cdbcdf5a6425ab571a42de6627f9971b1074b41f00efae377e489b3afb645af3
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SSDEEP
768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyE9x3e:bIDOw9a0Dwo3P1ojvUSD79Re
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001650c-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 3036 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 2060 2024-04-22_be602adfd437ff555964cbf8c52b82c9_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 2060 wrote to memory of 3036 2060 2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe 28 PID 2060 wrote to memory of 3036 2060 2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe 28 PID 2060 wrote to memory of 3036 2060 2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe 28 PID 2060 wrote to memory of 3036 2060 2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_be602adfd437ff555964cbf8c52b82c9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.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
41KB
MD5db6274dea317b44751cd6ec8747d4e52
SHA1e23fe6e339ad139dd88a18eb962710c638c09d3c
SHA256b6d91e0559c3936090ca8ff2b2b355fb1cd5bea54294d0afbcfd4c16d7a9c833
SHA5129e5a4eaf1c74b685e4c8362e9aa0cb84e903ab53962ec02904e37b9b627c52cd9564c38b4cc5f28e23edce183259336b348b1901206b3350232c1ecf67b85f03