Behavioral task
behavioral1
Sample
2024-03-19_b23cf1f12213189fdff58986eed58c08_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_b23cf1f12213189fdff58986eed58c08_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_b23cf1f12213189fdff58986eed58c08_cryptolocker
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Size
61KB
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MD5
b23cf1f12213189fdff58986eed58c08
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SHA1
b8d5379f8578fa898e2b8e16e8426870e9d8ed6c
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SHA256
aa244a7d09ade7cbfa4e658ff824bdbf6eaba6ae7b96e138977081a0df0ff254
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SHA512
b6b39d75703cfce227323050c366bbad780ab43e17b6a98ccd5723cc6bfa41a6c8a7296a2a77261ef6545132dda2ab6f1518f9e68e20c95a94bc8902f6b5dac5
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J59Ax:T6QFElP6n+gxmddpMOtEvwDpjwa39M
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 2024-03-19_b23cf1f12213189fdff58986eed58c08_cryptolocker
Files
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2024-03-19_b23cf1f12213189fdff58986eed58c08_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