Behavioral task
behavioral1
Sample
2024-04-25_497e84d4745c4b3abb3408dcb3400d15_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-25_497e84d4745c4b3abb3408dcb3400d15_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_497e84d4745c4b3abb3408dcb3400d15_cryptolocker
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Size
55KB
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MD5
497e84d4745c4b3abb3408dcb3400d15
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SHA1
5ab0932d3d42deb67ce37e6d0091fef64e9b2801
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SHA256
3a4aaaaf0164c0b43f0ae2daa768d208ba7a77a872a882698f36a2a28bd9fc41
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SHA512
ed1eaa2f211e965713a093c71d53ee70266d5f00df3b226ef2663e51e7b127db2fccc089da02c4960450c3abb7fe9e409a02555ffb2ae52b3d1b450d9daa688f
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNz:bP9g/xtCS3Dxx0w
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-25_497e84d4745c4b3abb3408dcb3400d15_cryptolocker
Files
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2024-04-25_497e84d4745c4b3abb3408dcb3400d15_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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