Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01/06/2024, 18:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe
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Size
83KB
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MD5
467841c4c49198764e15db0cc7b2063c
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SHA1
baa72e523ec8a96dd11a687909754f937827ad23
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SHA256
eed70416709ccb6fdce1fd48953abe01d06304250eed26440f40fd9ae73ee859
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SHA512
ef11cad369ab55b4bc2b34e14efe8b3a03e1f94f913dfb088aa4b6343f30209161744f6c6fe04c70fc0133bb692adae60a40b1c04bffe0571e657df973518970
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrh8P:TCjsIOtEvwDpj5HE/OUHnSMo
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/files/0x000b0000000155e2-23.dat CryptoLocker_rule2 behavioral1/memory/2612-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2612-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2504-24-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/files/0x000b0000000155e2-23.dat CryptoLocker_set1 behavioral1/memory/2612-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2612-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2504-24-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2504 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2612 2024-06-01_467841c4c49198764e15db0cc7b2063c_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 2612 wrote to memory of 2504 2612 2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe 28 PID 2612 wrote to memory of 2504 2612 2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe 28 PID 2612 wrote to memory of 2504 2612 2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe 28 PID 2612 wrote to memory of 2504 2612 2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
84KB
MD5ca32bd5203fb8d5e3a62c1cc6fb07f9c
SHA1e1d80e370a73928673ba8d467fd214d90be63b07
SHA256c113a5abafc8e458652cf19b885480525be1c4eb8584be016fdcf7d7d69c9186
SHA512d9a38c9ca6b144cc7c02c5975d56a5ef4adb7b34c7f87fe1540cb8cce9bee595040205861ce620e09098f557243f3ce6f2e0af45fa4fc11547b172515fd8af21