Behavioral task
behavioral1
Sample
2024-05-27_21cac4a3ee97d6b4c575564899ac2b3e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-27_21cac4a3ee97d6b4c575564899ac2b3e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-27_21cac4a3ee97d6b4c575564899ac2b3e_cryptolocker
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Size
91KB
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MD5
21cac4a3ee97d6b4c575564899ac2b3e
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SHA1
a35a70fc6c5b4e403b4ea5cc05b01f0fccf44ec2
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SHA256
f5474375261176a1fa1a5e4460f38ca2e59c9d218e30b79505222da8ea715636
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SHA512
82965ec99b7464740e379b59d1bea994abcc2db215afce6e27dd7d05a612a2feaba70e3437180e47204cbca6aac0689c975faddcb9c4a50bcbd558421725f854
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAex:n6a+1SEOtEvwDpjYYvQd2P8
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 2024-05-27_21cac4a3ee97d6b4c575564899ac2b3e_cryptolocker
Files
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2024-05-27_21cac4a3ee97d6b4c575564899ac2b3e_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_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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