Behavioral task
behavioral1
Sample
2024-04-25_55291bc489386582552c8ddc4a179008_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_55291bc489386582552c8ddc4a179008_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_55291bc489386582552c8ddc4a179008_cryptolocker
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Size
55KB
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MD5
55291bc489386582552c8ddc4a179008
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SHA1
bfccb71316f606e47649d4821513a8a33c404bb0
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SHA256
265c56d288aeb80d7cfaee0209caf476e4831cce94ed65ac17b2f4567ac5ee0b
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SHA512
7f3aa33f88f548ea485e12ca3345778642d548079853194ab3497fb274d8a541e157ef945c462e6e1c194d1e1af5b2c6c4be8e436be8a549db7105fd8d4c0458
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+xI:bP9g/xtCS3Dxx0JxI
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 2024-04-25_55291bc489386582552c8ddc4a179008_cryptolocker
Files
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2024-04-25_55291bc489386582552c8ddc4a179008_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