Behavioral task
behavioral1
Sample
2024-04-22_ff1ac37b6826c6072bd67dc34fa619a4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_ff1ac37b6826c6072bd67dc34fa619a4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_ff1ac37b6826c6072bd67dc34fa619a4_cryptolocker
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Size
96KB
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MD5
ff1ac37b6826c6072bd67dc34fa619a4
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SHA1
a5f8cfd9712418932ea18ad512f57999e0f81c5b
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SHA256
8b12a36a0efccc9c754b5d6e4e803c1fa85586edfcdbf15b9889ece350a4662a
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SHA512
e77a6067173350ce55ea9d9ae48e845a01bffab998d45d620e6a6aed05397abff1c9aa7f81b89704bd163490ad17c31cffc0170cfccc268f4c84e44b4da4a890
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bm:zCsanOtEvwDpjB6
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 2024-04-22_ff1ac37b6826c6072bd67dc34fa619a4_cryptolocker
Files
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2024-04-22_ff1ac37b6826c6072bd67dc34fa619a4_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