Behavioral task
behavioral1
Sample
2024-04-30_f9e7f0ce9bd2152f142bf0b2658185e8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_f9e7f0ce9bd2152f142bf0b2658185e8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_f9e7f0ce9bd2152f142bf0b2658185e8_cryptolocker
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Size
55KB
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MD5
f9e7f0ce9bd2152f142bf0b2658185e8
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SHA1
7aadaf1bafd102a290cbae3723db65728e912300
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SHA256
cfd66efa89bd3078bffbbbb18f2c0eab605809b6f0e857809f6f2ce492126856
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SHA512
84ac6f26e5431cb73509495b1758f8c53f6c0b7a51139c7763e0656a8d42d8828fda2097e27124b06c765112157d633246db05d6f43ba80e35c09dca4d98419e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNp:bP9g/xtCS3Dxx02
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 2024-04-30_f9e7f0ce9bd2152f142bf0b2658185e8_cryptolocker
Files
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2024-04-30_f9e7f0ce9bd2152f142bf0b2658185e8_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