Behavioral task
behavioral1
Sample
2024-01-23_0ffb855c1e45dfedf4b8d9397407dd24_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_0ffb855c1e45dfedf4b8d9397407dd24_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_0ffb855c1e45dfedf4b8d9397407dd24_cryptolocker
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Size
104KB
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MD5
0ffb855c1e45dfedf4b8d9397407dd24
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SHA1
38b07b22ca3a65f6893854103a0232ab7dad3707
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SHA256
b39b08854522b2315911dfdbcc2d839556ec2c9a652a40b0a20fe89404352030
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SHA512
f5c2775b9da4fc3932ed68d758cc7c1eabc02b1a4db4ea113896d4a7a9e3510ae6d00e58bd3c4e008f2f65a7240d4e92c9f0d84ead0401855a4bb6f429d1b1e2
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gkszfi:1nK6a+qdOOtEvwDpju
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 2024-01-23_0ffb855c1e45dfedf4b8d9397407dd24_cryptolocker
Files
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2024-01-23_0ffb855c1e45dfedf4b8d9397407dd24_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE