Behavioral task
behavioral1
Sample
2024-05-31_4d9407c28d0b31d5d023eec134ca4a5b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-31_4d9407c28d0b31d5d023eec134ca4a5b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_4d9407c28d0b31d5d023eec134ca4a5b_cryptolocker
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Size
67KB
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MD5
4d9407c28d0b31d5d023eec134ca4a5b
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SHA1
5b1c6037b52bc0560390760fbcfcb5a362f1ff97
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SHA256
3b3f6c3cfa55f0043255e31cb3bbde2c789a7f3abacdeb3fdacd225c8db2eb68
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SHA512
cb55460d8986c9e17c90fb184b2e0f7f0a4a9cd1137c0815ea575bd19e09afec33a3e16c56713d14b4d3347c341a31e246c51958aec37344ebe9ffa852e1e420
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRP:1nK6a+qdOOtEvwDpjG
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 2024-05-31_4d9407c28d0b31d5d023eec134ca4a5b_cryptolocker
Files
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2024-05-31_4d9407c28d0b31d5d023eec134ca4a5b_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