Behavioral task
behavioral1
Sample
2024-04-04_8988e75a58454d9d6e00aef93c4c53d7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_8988e75a58454d9d6e00aef93c4c53d7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_8988e75a58454d9d6e00aef93c4c53d7_cryptolocker
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Size
75KB
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MD5
8988e75a58454d9d6e00aef93c4c53d7
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SHA1
72f7e4215764988838892ccf00b154521d96f2fc
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SHA256
846ea2c8a36711469748e9ba26d92a30cea0508c520e5fa823107cfc3a52bc90
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SHA512
c9edc5d11900eb5c6d7b76d0675d76b395772b706772ef6bc3712f917ebc6acbb0a3ae36e2ccbb087c779e6670c493e3ecfe7315c40b251a2ea96c940ae638af
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx9:T6a+rdOOtEvwDpjNtHPu
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 2024-04-04_8988e75a58454d9d6e00aef93c4c53d7_cryptolocker
Files
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2024-04-04_8988e75a58454d9d6e00aef93c4c53d7_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