Behavioral task
behavioral1
Sample
2024-01-28_4fea8b31fe66791cb4ca9a58a5eb1d86_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_4fea8b31fe66791cb4ca9a58a5eb1d86_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_4fea8b31fe66791cb4ca9a58a5eb1d86_cryptolocker
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Size
73KB
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MD5
4fea8b31fe66791cb4ca9a58a5eb1d86
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SHA1
f22969a66b7f60b2892a63def8ee2583c841fe4c
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SHA256
a8be590972e02e60e63136b84a61fbf4ca627772359e5d9d6e5867b80e60b9cc
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SHA512
94745cff822556d1376a911e6e667918956d82cf0a5040ecb1177146ca5bf8436e49acd10f947bc1ab2c2177c60ff73322cf00269fa353d34e141a5a56bc3ed8
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdU:T6a+rdOOtEvwDpjNt+
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 2024-01-28_4fea8b31fe66791cb4ca9a58a5eb1d86_cryptolocker
Files
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2024-01-28_4fea8b31fe66791cb4ca9a58a5eb1d86_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