Behavioral task
behavioral1
Sample
2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker
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Size
80KB
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MD5
531589e44d397a891fe0b6d0199c48bb
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SHA1
c5b2f3c61c536c9980ee0cef32eb22ebbf6e1c03
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SHA256
b0e08bca5aea3b25fc5ddd8c099079cefbd9c8e2019320b388e41cc07a0bd2ff
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SHA512
54dd34e52cc8fc987ab5ec8cb3b9bf7e74a80a50e6865e4f74aeff05bbb5fa4b530bba9208f87a2d7e523b5552e1873f3fc32464825a17623928bef758aced45
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT78:T6a+rdOOtEvwDpjNw
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 2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker
Files
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2024-03-15_531589e44d397a891fe0b6d0199c48bb_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