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Analysis
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max time kernel
151s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06/03/2024, 05:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe
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Size
39KB
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MD5
2690644a0992ffcaa023d986c4f9b9cb
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SHA1
01af7e3a811998fb32a51f828ab300932b70824e
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SHA256
5f43c9e78bc23a8216ffd50d6a1c5bf18f7efbd67f7df36beef4e2248ceb4745
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SHA512
d9215725b13dbea8fb7671667373f4780120222e8915449522542e8106342f94ac0a45ff0e6173f03534bcc6f5e1e353bf7c36eed9691ffc3177ac3551e57c34
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqhMWKaQt:6j+1NMOtEvwDpjroA
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a000000015e9f-11.dat CryptoLocker_rule2 behavioral1/memory/1752-13-0x0000000000680000-0x000000000068F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2556-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2556-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a000000015e9f-11.dat CryptoLocker_set1 behavioral1/memory/1752-13-0x0000000000680000-0x000000000068F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2556-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2556-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a000000015e9f-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1752-13-0x0000000000680000-0x000000000068F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2556-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2556-27-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2556 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1752 2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_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 1752 wrote to memory of 2556 1752 2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe 28 PID 1752 wrote to memory of 2556 1752 2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe 28 PID 1752 wrote to memory of 2556 1752 2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe 28 PID 1752 wrote to memory of 2556 1752 2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD50d9f26507873ad3271e39725e923e6da
SHA1b41cced11d1615c8053321ac5d76e20b03cee53b
SHA256a166c59e0020e72e0c37c430eae0b5213828d803b7e0169b4052d947b0c2ac7c
SHA51221757988b49ff0e8644a4a78dcd08394f56aeadbaded04f1df360cb66c764cc01b6316a53f1e246f08fb2e1b9fb4b47aaa1a32fad60c9775d28947b3c7761711