Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_a1f70b7a4c0409740d216c7fe1e27d05_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_a1f70b7a4c0409740d216c7fe1e27d05_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_a1f70b7a4c0409740d216c7fe1e27d05_cryptolocker
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Size
95KB
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MD5
a1f70b7a4c0409740d216c7fe1e27d05
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SHA1
0d0205b372ce6dc50f5bd91d7f871891fd421397
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SHA256
59a6680a15f5c0c159f4e7419e38ad74b6d28f8958923dafae1d9a8a41ff6b33
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SHA512
7f6d0b683c925aabad908a1af2d9fad39880384b3ca3802aad6ee48114b858401b2237efeb88d9c25ee3533887aa1a71a6acb772bbb8a97b41bc1c64928c40cd
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJvfT3XU:xj+VGMOtEvwDpjubwQEIiVmkfXU
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-22_a1f70b7a4c0409740d216c7fe1e27d05_cryptolocker
Files
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2024-02-22_a1f70b7a4c0409740d216c7fe1e27d05_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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