Behavioral task
behavioral1
Sample
2024-04-19_7f41975c62812bdf1336fc0ea1ad7c3f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_7f41975c62812bdf1336fc0ea1ad7c3f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_7f41975c62812bdf1336fc0ea1ad7c3f_cryptolocker
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Size
55KB
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MD5
7f41975c62812bdf1336fc0ea1ad7c3f
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SHA1
b9ca1bb9828cc36b7ddef1cb1a5a5bbbc0687629
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SHA256
a0e26d696a39aa93d7784325eb71ade4d37d021dbb0bb9b0e81b4371d4739784
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SHA512
ba3a900971219ae5a44c183e4dd0e60347e52029de19e74b750aae1869a9ecc0e113afc7a51608eb8b986841272e7c03200b038d4d6b883aa839e193987ac925
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlC:bP9g/xtCS3Dxx0t
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 2024-04-19_7f41975c62812bdf1336fc0ea1ad7c3f_cryptolocker
Files
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2024-04-19_7f41975c62812bdf1336fc0ea1ad7c3f_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