Static task
static1
Behavioral task
behavioral1
Sample
2024-02-17_a1fc79ac60c18695806a1e80664721bd_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_a1fc79ac60c18695806a1e80664721bd_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-17_a1fc79ac60c18695806a1e80664721bd_cryptolocker
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Size
48KB
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MD5
a1fc79ac60c18695806a1e80664721bd
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SHA1
4fffd6380adc542484792bc7a1f9a324f2b08529
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SHA256
88a1acc4c256cfc1ad90eca403c7f3a528a97e0f001ad40913691536be7f3839
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SHA512
5cc3b1178d5b816fd3b869ebfc927767d4e5f1e4df7e172bc8a91e7ccbdd2afd1de832ba95f3e3643f68aa55c75dd778d465d7633a49c244c1dbeedc30d47d24
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUvn:BbdDmjr+OtEvwDpjMXS
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-17_a1fc79ac60c18695806a1e80664721bd_cryptolocker
Files
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2024-02-17_a1fc79ac60c18695806a1e80664721bd_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
bUItIFMf Size: - Virtual size: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
QNhjSkbP Size: 12KB - 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