Behavioral task
behavioral1
Sample
2024-03-16_4f05159e01070ca2ec01159c40bdd1a4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_4f05159e01070ca2ec01159c40bdd1a4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_4f05159e01070ca2ec01159c40bdd1a4_cryptolocker
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Size
98KB
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MD5
4f05159e01070ca2ec01159c40bdd1a4
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SHA1
553468ef7a81db88d3b0e170dea897af74e9e41e
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SHA256
f061d2437cd97c60941e1ca30ba7b9740e99b97fad7f4fa0749981f18a30c087
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SHA512
c2211edb9f50a7961f333418dd211cd2f7151c9b4a64ca025987d1ab88254421b26bbe00309a15ad3aa9f81c7693827f13274672090ac39291435f8ff7b72729
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKih:z6a+CdOOtEvwDpjcl
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 2024-03-16_4f05159e01070ca2ec01159c40bdd1a4_cryptolocker
Files
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2024-03-16_4f05159e01070ca2ec01159c40bdd1a4_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