Behavioral task
behavioral1
Sample
2024-04-18_b1036f8c80cb090b1d4ce0da67a6f45a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_b1036f8c80cb090b1d4ce0da67a6f45a_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_b1036f8c80cb090b1d4ce0da67a6f45a_cryptolocker
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Size
64KB
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MD5
b1036f8c80cb090b1d4ce0da67a6f45a
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SHA1
e3fbd8043cc57b85d2708f9a7ea3f9fe8313d086
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SHA256
27826cd2139dfca91f1063f255446c9efd88b36651f4016dd87b69e11adbb3e5
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SHA512
26289f9ab436576ce8f5665e8f8aa19bdc58b07f24139162310fa3e105aebc090ac69ae244b7cd2db587c5fcd527776206c7be124fe6d1c56a4457a0f63ec9ea
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRc:1nK6a+qdOOtEvwDpjp
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 2024-04-18_b1036f8c80cb090b1d4ce0da67a6f45a_cryptolocker
Files
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2024-04-18_b1036f8c80cb090b1d4ce0da67a6f45a_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
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE