Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
10/03/2024, 05:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe
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Size
73KB
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MD5
1c1b9ac71019992890be41cfdd1cc262
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SHA1
0a214bb3e30ede4282b84377d5492a4888613ef8
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SHA256
10fb881f2f8deccbb5ebca32f84a722f7cbb7c57b1a9a4351df46d791bd21b4b
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SHA512
5402e83bb97f1fbedb391962a62260a3a21702176ceb91d0587d9a9972646df30f788af2c499af279ae7ca2b9c0ef169420f4a7330c110b1720e133ab461ac9f
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUP2:xj+VGMOtEvwDpjubwQEI8UP2
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2012-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x00090000000122be-11.dat CryptoLocker_rule2 behavioral1/memory/2012-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2512-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2012-13-0x0000000002BC0000-0x0000000002BD0000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2512-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2012-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x00090000000122be-11.dat CryptoLocker_set1 behavioral1/memory/2012-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2512-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2012-13-0x0000000002BC0000-0x0000000002BD0000-memory.dmp CryptoLocker_set1 behavioral1/memory/2512-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2012-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x00090000000122be-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2012-15-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2512-17-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2012-13-0x0000000002BC0000-0x0000000002BD0000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2512-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2512 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2012 2024-03-10_1c1b9ac71019992890be41cfdd1cc262_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 2012 wrote to memory of 2512 2012 2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe 28 PID 2012 wrote to memory of 2512 2012 2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe 28 PID 2012 wrote to memory of 2512 2012 2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe 28 PID 2012 wrote to memory of 2512 2012 2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5d1689f18dc953513919c2187e3761e02
SHA1e2f9bc965d55814703fa6577d6157556258f69a1
SHA256e77d98810fb95e0c6845d3eaacadbbd8402bd1ff95943dd44488d6003523d009
SHA512752d0db837a651c02ea78d802d4068724652a02068e7ed30b3254e900ff4bc5c74e0be1c793d98e19b1250a18bc3c60a950fce2f3089c5da60b1714e6f86956d