Behavioral task
behavioral1
Sample
2024-05-20_221281b4d23b01288b1540752e6e22e6_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-20_221281b4d23b01288b1540752e6e22e6_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-20_221281b4d23b01288b1540752e6e22e6_cryptolocker
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Size
57KB
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MD5
221281b4d23b01288b1540752e6e22e6
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SHA1
88216341b729cb48ed3ef4414589abbb59959129
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SHA256
1b6ab4b7290d3c2ad3bce75a87ec785ba3b9e56897730ae08c77b6c218bab97f
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SHA512
ba69dc1b0ab5a5ab5ecaed931c762920502a76c8700423f2c309884d19d454ee1adff32b672265ef79400148e78f36f4ce78313531003631bb6f295d755cc627
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+UY:bP9g/xtCS3Dxx0J7
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 2024-05-20_221281b4d23b01288b1540752e6e22e6_cryptolocker
Files
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2024-05-20_221281b4d23b01288b1540752e6e22e6_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