Behavioral task
behavioral1
Sample
2024-04-30_58bf2d676c091ddda48478c685c517bf_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-30_58bf2d676c091ddda48478c685c517bf_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_58bf2d676c091ddda48478c685c517bf_cryptolocker
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Size
55KB
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MD5
58bf2d676c091ddda48478c685c517bf
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SHA1
a453c2ff125b566fa125f94a399fa7df298b9122
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SHA256
5b2986c639b3fb7a0cf2cb01d8a747c953aa664665a9be7997f9071672d8aede
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SHA512
b9991ec1c964a3d1687733777db9c6e7a9664bce4c057958290a1f3684ff4ac305e0cbb585804011ae794425fcf68e94f7a98970065d0171ca2e369a9fb77760
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+P:bP9g/xtCS3Dxx0JP
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 2024-04-30_58bf2d676c091ddda48478c685c517bf_cryptolocker
Files
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2024-04-30_58bf2d676c091ddda48478c685c517bf_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