Behavioral task
behavioral1
Sample
2024-05-28_38b1bbcefb3cfb3dcb181d9cfafb4d5f_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-28_38b1bbcefb3cfb3dcb181d9cfafb4d5f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-28_38b1bbcefb3cfb3dcb181d9cfafb4d5f_cryptolocker
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Size
57KB
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MD5
38b1bbcefb3cfb3dcb181d9cfafb4d5f
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SHA1
cf3ec992325437a96589fabb7d2982fcae4d6c8a
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SHA256
112be023812588fd83188f1b75e901de1a1185ecb7ad9931f4ada6edd9ee7bac
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SHA512
56e2b1ab2a5e08f770193842bfd62d82ea4b36580920ac50df2369e22ab2c23aeecfeb5e5d1c86fca26759d02ea87d32761a9f903a96adb3241c487932eff688
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzk:bP9g/xtCS3Dxx0nk
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 2024-05-28_38b1bbcefb3cfb3dcb181d9cfafb4d5f_cryptolocker
Files
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2024-05-28_38b1bbcefb3cfb3dcb181d9cfafb4d5f_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