Behavioral task
behavioral1
Sample
2024-01-23_c6e73aa1e9cfc1494c6fcbfcf3aa4b93_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_c6e73aa1e9cfc1494c6fcbfcf3aa4b93_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_c6e73aa1e9cfc1494c6fcbfcf3aa4b93_cryptolocker
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Size
64KB
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MD5
c6e73aa1e9cfc1494c6fcbfcf3aa4b93
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SHA1
d23f1bc4a6301a15dd7ce8253b9908051129d476
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SHA256
58ab1097b1eb69dce93d9fff062d7a42310cfbda1ec5d0e228113c31ec730524
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SHA512
0d05710f6be04fa466d46a1528eb996cd22acc4c4c2a8134bbf211642873a155c6672a06caee7b0afcfbe1685c3432b3b21b09b61016987a38ddf12702336c55
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFzHYkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8LJP6ntOOtEvwDpjF
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_c6e73aa1e9cfc1494c6fcbfcf3aa4b93_cryptolocker
Files
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2024-01-23_c6e73aa1e9cfc1494c6fcbfcf3aa4b93_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