Behavioral task
behavioral1
Sample
2024-06-04_a51b7e280605dcb2f064ea763d8c7735_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-04_a51b7e280605dcb2f064ea763d8c7735_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-04_a51b7e280605dcb2f064ea763d8c7735_cryptolocker
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Size
81KB
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MD5
a51b7e280605dcb2f064ea763d8c7735
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SHA1
35f0fbc4bff33676348431a27c05182edc003fed
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SHA256
7d67ad45be6e202c2124355be29d8ecb130c4478f8872cba7637e10fbd87c7d5
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SHA512
da6715aecfe1e58770f3456e12de5bf00ee92ffcb08232557970b08f14947f9fc59355b72e5e5429bd4020f3bb4d397405d928d199368d4cb1da48e973e53a7c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QzM:zCsanOtEvwDpjE
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 2024-06-04_a51b7e280605dcb2f064ea763d8c7735_cryptolocker
Files
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2024-06-04_a51b7e280605dcb2f064ea763d8c7735_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