Behavioral task
behavioral1
Sample
2024-03-05_a9c5fe19e2cc65867e2d351daf515156_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_a9c5fe19e2cc65867e2d351daf515156_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_a9c5fe19e2cc65867e2d351daf515156_cryptolocker
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Size
123KB
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MD5
a9c5fe19e2cc65867e2d351daf515156
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SHA1
270b6784cdfc6fa2ff4c4e5f5655c6d2985dfdd7
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SHA256
640fbfa158285879991afc85ac8d0e5af30dde2a8cb1f88bc06c784c728202fa
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SHA512
4f68f7e480a17c6007de072c131e60f1c7f8cb94ee8dc54f0d741655b0c98ac91b2c7ef9d98e3eb79135effb3150335fdd8c2a531d57b0408f05386016341619
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviy66:z6a+CdOOtEvwDpjczO
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 2024-03-05_a9c5fe19e2cc65867e2d351daf515156_cryptolocker
Files
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2024-03-05_a9c5fe19e2cc65867e2d351daf515156_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