Behavioral task
behavioral1
Sample
2024-03-27_fa59afc4322b54f93ef92c44777e93a3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_fa59afc4322b54f93ef92c44777e93a3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_fa59afc4322b54f93ef92c44777e93a3_cryptolocker
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Size
58KB
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MD5
fa59afc4322b54f93ef92c44777e93a3
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SHA1
c7c4e36f3e357b7ec43ef48df3986ce6f133c886
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SHA256
984749c1443a809d445b6270d9f4f5454e920dd6bd191f95d9829a5b127696b2
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SHA512
993a9aaa8708238149915a193d38ba6e3266824ca3a9a3a1c17b852cd2935cf752614c46b751e7cbdb78e78d0a348d0aa7c1f868a79999339a153b93f016f9a7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appbv:z6QFElP6n+gKmddpMOtEvwDpj9aYar
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 2024-03-27_fa59afc4322b54f93ef92c44777e93a3_cryptolocker
Files
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2024-03-27_fa59afc4322b54f93ef92c44777e93a3_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_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