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Analysis
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max time kernel
1s -
max time network
164s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
10/01/2024, 05:59
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe
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Size
41KB
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MD5
a8ff2cede9752436e03ede89c806bddb
-
SHA1
2e8d6eea07c1cef7ea8cc0c9c293b8c2d5bd92d5
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SHA256
ae185cf618f1e9b09faa82f716f646c469f356752ea40af58baa15ca10c6ead6
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SHA512
c9f34b31416fce5b46e508f9c53b4aeba0140b78b03aac5eb4f5ecc1a8b96db32c48fce550aa0e17c85173151e8507229a72e657d038358e5165b613554452db
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SSDEEP
384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCMB:79inqyNR/QtOOtEvwDpjBKccJVODvym
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1020 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2236 2024-01-09_a8ff2cede9752436e03ede89c806bddb_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 2236 wrote to memory of 1020 2236 2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe 16 PID 2236 wrote to memory of 1020 2236 2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe 16 PID 2236 wrote to memory of 1020 2236 2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe 16 PID 2236 wrote to memory of 1020 2236 2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe 16
Processes
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"1⤵
- Executes dropped EXE
PID:1020
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C:\Users\Admin\AppData\Local\Temp\2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-09_a8ff2cede9752436e03ede89c806bddb_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
14KB
MD5ed7e9b200cf7c0fda977fc686ce0f5f4
SHA1fbb2ca15d179c0af0f7a79559cf0fa8150ebfc31
SHA256c617601ec538aa256ffec9bba5271f05e1e0845b2edcfd9c393d29960a2f9e16
SHA51255a5a193ee5aa396dc88370edd71d1e85b824d8a984e69a87a0e09f82f27c00b2d75dd0058556724e2818c71f0ba670dceee14d2a16844c617180767476debbd
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Filesize
41KB
MD56a99ae9f353f9dc62f809ee6abb5d07e
SHA129b056ba48a1868fd8dda5938c0c97789c2f308f
SHA2565de3cb5a2b171bb8c8c5d0b6351a183e65c769b51f46087e7e744b8f088a1001
SHA512ba409a6a7d936f46d9c7bbc5b03a19568842bb36cfdcbb6c258e8c717b6bbb67afec7068dd432ccb7801d2f417635e6ce71db94a40ffff46958991c0ceb550d3