Behavioral task
behavioral1
Sample
2024-02-03_8f99e0b715d86f7116ab83f4dd203b0e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_8f99e0b715d86f7116ab83f4dd203b0e_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_8f99e0b715d86f7116ab83f4dd203b0e_cryptolocker
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Size
79KB
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MD5
8f99e0b715d86f7116ab83f4dd203b0e
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SHA1
4e56b535e17cee80b8d078b5c7ee97ec4bd81752
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SHA256
478a631c1cb581def3949f08d261cb24b2eaff61781c3e562b087190c8a8cb7b
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SHA512
ea22f06b1e177f614f10d3d251f96d909028441d59bdb8ba941fa5a130b3a9eb0bfdf88d4c10d7a0ff06aec804aa2c2c7e4d6d0bc35e9a34d8677422ad2975f0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyhuqt:zCsanOtEvwDpj6
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 -
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 2024-02-03_8f99e0b715d86f7116ab83f4dd203b0e_cryptolocker
Files
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2024-02-03_8f99e0b715d86f7116ab83f4dd203b0e_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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