Behavioral task
behavioral1
Sample
2024-02-25_a4ba2b6bc36cfac3ee73fc3a244959e5_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-25_a4ba2b6bc36cfac3ee73fc3a244959e5_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_a4ba2b6bc36cfac3ee73fc3a244959e5_cryptolocker
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Size
64KB
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MD5
a4ba2b6bc36cfac3ee73fc3a244959e5
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SHA1
1f9afe1d750510efec20afda7ead5b94b02bd7ba
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SHA256
c2df88ca1be207d5c5975f84782a9e8c74d57685347a744bde9c271c604d97c5
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SHA512
037656d55d81ef4a0f546e8fd5380e959ee630068d43b96677b4d6189501e7ff32489e364f2b2f788b0b678947c0cfc4994339323e3cfea1a5aed4bddba042d5
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Ud:1nK6a+qdOOtEvwDpjw
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 2024-02-25_a4ba2b6bc36cfac3ee73fc3a244959e5_cryptolocker
Files
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2024-02-25_a4ba2b6bc36cfac3ee73fc3a244959e5_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