Behavioral task
behavioral1
Sample
2024-02-28_7b8ad27f6b4c0ac499aa6545f3937c99_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_7b8ad27f6b4c0ac499aa6545f3937c99_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_7b8ad27f6b4c0ac499aa6545f3937c99_cryptolocker
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Size
117KB
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MD5
7b8ad27f6b4c0ac499aa6545f3937c99
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SHA1
c0cf6ec4fdf95f06d4ea7e8fb40e78122bc947ec
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SHA256
3c160d6078805e14b1c4f18adcbfe90ad2ee011f2104092ee711061e419ff583
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SHA512
7a344573101d21cdc27a4f48735c471d7a527260349cb71c964498c4f6d88c6acb55d913b381f00d0fe1f96b595d2d473833a48c33ac83bd4ad02858c73d6643
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01i:z6a+CdOOtEvwDpjcz0
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 2024-02-28_7b8ad27f6b4c0ac499aa6545f3937c99_cryptolocker
Files
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2024-02-28_7b8ad27f6b4c0ac499aa6545f3937c99_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