Behavioral task
behavioral1
Sample
2024-06-02_04fa6b132316f8ddc4c87281fc3900e2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-02_04fa6b132316f8ddc4c87281fc3900e2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-02_04fa6b132316f8ddc4c87281fc3900e2_cryptolocker
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Size
57KB
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MD5
04fa6b132316f8ddc4c87281fc3900e2
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SHA1
1f8241a6344a0717086853abf412f99df2eecc82
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SHA256
7c5717f3cd9ed00863a9bf672df9058e51edc8ee55d19c10f1b57db53ba00e0d
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SHA512
ca9011558513bd1435ba4b08b03128ec807de91498359f9e4aa2c4c15d2249d1fd9ed06e66835fbb62c84a7c7bb2cebd0e021ac03bd045305eaca6fd0892278e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+x:bP9g/xtCS3Dxx0Jx
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 2024-06-02_04fa6b132316f8ddc4c87281fc3900e2_cryptolocker
Files
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2024-06-02_04fa6b132316f8ddc4c87281fc3900e2_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