Behavioral task
behavioral1
Sample
2024-05-08_2f5accfe9f88856a4f54fb8a6d7e7f48_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-08_2f5accfe9f88856a4f54fb8a6d7e7f48_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-08_2f5accfe9f88856a4f54fb8a6d7e7f48_cryptolocker
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Size
55KB
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MD5
2f5accfe9f88856a4f54fb8a6d7e7f48
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SHA1
de66a4f1d504186c80999d79bd9c342455b237c7
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SHA256
8a3bd95d6d5de03fc1d08f8c333f6967a196d8a123d08846d22beda088f68e6d
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SHA512
0a39e2c4f199364c4045945c5ff24c1fa989f08671f036263ee09887dc1d3f9c863f748881ea0c4b6955c657a722657e757f497e2bc05a48484f3dbc3d372ff6
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNau: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 2024-05-08_2f5accfe9f88856a4f54fb8a6d7e7f48_cryptolocker
Files
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2024-05-08_2f5accfe9f88856a4f54fb8a6d7e7f48_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