Behavioral task
behavioral1
Sample
2024-03-26_b7a5b0a3e176d9c6928502830204421a_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-26_b7a5b0a3e176d9c6928502830204421a_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-03-26_b7a5b0a3e176d9c6928502830204421a_cryptolocker
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Size
70KB
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MD5
b7a5b0a3e176d9c6928502830204421a
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SHA1
523c4dc20002bae1b80eb5a8cfef351f58d410ff
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SHA256
78d9dc4a53ec5f77a13b6b33228647c2dec5d44a213b32cf6b65d9cb5c790641
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SHA512
c823dedd28b17aaaec4995a468e17a65dd0e9967e40e810d6f1c90961c62d63410e9fe77913858d9edc1cd15cb6a233764ea652c077142f6b7452314847efcb6
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB+33:z6a+CdOOtEvwDpjQY
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 2024-03-26_b7a5b0a3e176d9c6928502830204421a_cryptolocker
Files
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2024-03-26_b7a5b0a3e176d9c6928502830204421a_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_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