Behavioral task
behavioral1
Sample
2024-05-23_cf4a43dae96077b97bdd8cc4e55ff955_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_cf4a43dae96077b97bdd8cc4e55ff955_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_cf4a43dae96077b97bdd8cc4e55ff955_cryptolocker
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Size
78KB
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MD5
cf4a43dae96077b97bdd8cc4e55ff955
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SHA1
3ae20cf804d8e44f1f6e200447170816f7a46890
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SHA256
d4395ca0f34112a97481b9cb00a83a676ea50d2b125e19ec43348d575ef8080e
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SHA512
1d942799cbc966133eb9bf7e83ea899ffb9ddbd1693e92e3ba3898ae413a23fdecc32c32cedd3b3a6db4531e8c461d2b7eda1cb2053b77eb9b641d66e2197c33
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1D:T6a+rdOOtEvwDpjNtHPI
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-23_cf4a43dae96077b97bdd8cc4e55ff955_cryptolocker
Files
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2024-05-23_cf4a43dae96077b97bdd8cc4e55ff955_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE