Behavioral task
behavioral1
Sample
2024-04-24_81cceadd1f9e1c6a02d9d34f365c104e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_81cceadd1f9e1c6a02d9d34f365c104e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-24_81cceadd1f9e1c6a02d9d34f365c104e_cryptolocker
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Size
55KB
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MD5
81cceadd1f9e1c6a02d9d34f365c104e
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SHA1
828caaed1ec1e3bc779e7c5fb13551e2d410fd37
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SHA256
1d7aed231f6e071d70084136f7f0dbee1d17326fb7932cede11d01f59d828486
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SHA512
f8e3607abfa507964fecfeb5c9130bc1a2c8e0501f4448128ca18ce56fef2bc6348b871378bad83dde153c26a5847612a2b98fe08463cdcb65d99f853f295a58
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlt:bP9g/xtCS3Dxx0K
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 2024-04-24_81cceadd1f9e1c6a02d9d34f365c104e_cryptolocker
Files
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2024-04-24_81cceadd1f9e1c6a02d9d34f365c104e_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