Behavioral task
behavioral1
Sample
2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker
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Size
148KB
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MD5
61ea03ce685d2033dc9da27a4e814a31
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SHA1
f056c4ab2fc20ba87e7abf4a3646143b7730724d
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SHA256
ebffb5bb1995f56ce26af746fbb8fadd1f52b58ae47197c7901f9c6d02407bb8
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SHA512
757061810cf6b98b1d0fd8502f0ffb49d3bcca32bbf74e1ce428a8a41e96c4fecdd17f67e31b3a8df2d1fa4258fbf2be40e725460a66ca19b1d417e86446f595
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1eZ:z6a+CdOOtEvwDpjczj
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 2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker
Files
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2024-02-14_61ea03ce685d2033dc9da27a4e814a31_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