Behavioral task
behavioral1
Sample
2024-04-27_b9891ef29445f5be0b7977deccaa96b9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_b9891ef29445f5be0b7977deccaa96b9_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_b9891ef29445f5be0b7977deccaa96b9_cryptolocker
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Size
77KB
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MD5
b9891ef29445f5be0b7977deccaa96b9
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SHA1
7256730f93cc1529e797b08e68ac6197fd46a61a
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SHA256
cc7f44f415facacf3aca3e457e655977f86339987a9c0ba9b19570a89f2dc1fc
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SHA512
860bac8e379b09ab9ee86a5bdd7917696e1863267b5f521ec0a3771ebf2651b2f3a1e64b351fd52074098ab18df5bd1fd995b91eb89b644b5ab27d57441ac3bb
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRa:T6a+rdOOtEvwDpjNtT
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 2024-04-27_b9891ef29445f5be0b7977deccaa96b9_cryptolocker
Files
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2024-04-27_b9891ef29445f5be0b7977deccaa96b9_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