Behavioral task
behavioral1
Sample
2024-05-09_b3e77bbf45de73a20f9a80b577dc9b29_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_b3e77bbf45de73a20f9a80b577dc9b29_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-09_b3e77bbf45de73a20f9a80b577dc9b29_cryptolocker
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Size
55KB
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MD5
b3e77bbf45de73a20f9a80b577dc9b29
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SHA1
003618a3b502984b6f45bdf16b53bf4377259cba
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SHA256
685f11ac89c57438bf404b2a0534211f022570468f99dc04a30d7dfc14e6188c
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SHA512
5c36baae4aed26f30d3c28e23b92ab776998afa127e807156b5aa0257277eca372872d128942e8d8c1dd440104cea15c04f3c19b8fc16fae58debfa92b11e4bc
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNac:bP9g/xtCS3Dxx0g
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 2024-05-09_b3e77bbf45de73a20f9a80b577dc9b29_cryptolocker
Files
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2024-05-09_b3e77bbf45de73a20f9a80b577dc9b29_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