Behavioral task
behavioral1
Sample
2024-01-23_a131fdd5d8bfa4eb4c7c3090d09fbca6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_a131fdd5d8bfa4eb4c7c3090d09fbca6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_a131fdd5d8bfa4eb4c7c3090d09fbca6_cryptolocker
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Size
62KB
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MD5
a131fdd5d8bfa4eb4c7c3090d09fbca6
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SHA1
48fe7bd0bfddee8a8235f390f569bc548b95f94e
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SHA256
c810af464206c592bca3fad3b58db45708edcbe8129e952d9b52904d4104f9b2
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SHA512
b4be11878692157693c3d5709a3c63d5a62fbadbdf21f4986f2ec7bbb4eb68e28c274c0213d09d79032161ddd48f1488b2599fbe66e5b83226736edcce5ac8ce
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5hRXT:T6QFElP6n+gxmddpMOtEvwDpjwa3nT
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 2024-01-23_a131fdd5d8bfa4eb4c7c3090d09fbca6_cryptolocker
Files
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2024-01-23_a131fdd5d8bfa4eb4c7c3090d09fbca6_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