Behavioral task
behavioral1
Sample
2024-02-03_8598c5f59b8dd49734b2a2c1306b8f60_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_8598c5f59b8dd49734b2a2c1306b8f60_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_8598c5f59b8dd49734b2a2c1306b8f60_cryptolocker
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Size
75KB
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MD5
8598c5f59b8dd49734b2a2c1306b8f60
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SHA1
815a4ea60b3bfc23460c9453f92c814018d5a065
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SHA256
25662def15b37d620ec5585c1b60617d03d825535f454859e4f68357ec111064
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SHA512
b686b324e5e8ac8436e82b1072236e97f8b75a03769562c9e564262b3207e86fdb689cf51ef9a6a85e7f1b3ae4164596329373497baecfedf8f16b7f241fe3fd
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YS+:T6a+rdOOtEvwDpjNE
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 2024-02-03_8598c5f59b8dd49734b2a2c1306b8f60_cryptolocker
Files
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2024-02-03_8598c5f59b8dd49734b2a2c1306b8f60_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