Behavioral task
behavioral1
Sample
2024-03-05_55ec4db5a3f701e7c99455e20e8fb47e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_55ec4db5a3f701e7c99455e20e8fb47e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_55ec4db5a3f701e7c99455e20e8fb47e_cryptolocker
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Size
71KB
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MD5
55ec4db5a3f701e7c99455e20e8fb47e
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SHA1
29c657d8a6afc285bed02766ae1c1bd880628128
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SHA256
7676b4b03f2fd64099bb3d501e9e2d739c13ee51c44fcd9e560f812ed675d789
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SHA512
eeec57a22dcaad6f0ca9e4168cadfd663d4ffe0faad8168a52a06949fa97c4c30c3a6d9677d1b10f3183a69b64bd6d82875f68e16473cbc3ba1c46e8287767e5
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBL:z6a+CdOOtEvwDpjQZ
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 2024-03-05_55ec4db5a3f701e7c99455e20e8fb47e_cryptolocker
Files
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2024-03-05_55ec4db5a3f701e7c99455e20e8fb47e_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