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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
04/05/2024, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe
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Size
52KB
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MD5
c6ab5ceafe0f146e240774a5cee153cb
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SHA1
7a36fcc2c802303f8adc50eaa1e1cd8f1aea3e93
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SHA256
23fda4d3d26ed2d8222ac9007c042eba394c3c4a2240a74eea9c28bfecdb8869
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SHA512
60cd8c3ac609938e4d1ffff9d3866047fb647129017b50b2a86a2971799dc38e62ad9a9b4953e269cf6c14306b704728a8fa2b8452f6258197965663802636d5
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SSDEEP
768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uYGER:bIDOw9a0DwitDZzc161R
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d000000012345-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2024 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 2108 2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_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 2108 wrote to memory of 2024 2108 2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe 28 PID 2108 wrote to memory of 2024 2108 2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe 28 PID 2108 wrote to memory of 2024 2108 2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe 28 PID 2108 wrote to memory of 2024 2108 2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:2024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD539f7b1f0ecce1c9f45f7fcfe3cff521b
SHA14ef73148054905e81a136dabcbc28c3a9a1eab0f
SHA256eb02b63713e6fca3333d53b8edeb44ec4fc9d9bdde0e39555d84a6bf7e2346fd
SHA51288a524d0e733c0282b8d4dc07f67c3adf4681c846a7e2ae77524536b0015ccdac4ced230b0255628d184f9f3da15163035603a27728c3849a244999a62613be9