Behavioral task
behavioral1
Sample
2024-01-26_561fc0c2e6fc2988988dc94e35aef351_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_561fc0c2e6fc2988988dc94e35aef351_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_561fc0c2e6fc2988988dc94e35aef351_cryptolocker
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Size
57KB
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MD5
561fc0c2e6fc2988988dc94e35aef351
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SHA1
88244d982fb8c32e62a9bbf6a65ff0c54b1e214d
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SHA256
fc8f451caff3dbd7b6a71c3dc6f3b5c9cb7eb55656cd21b967d3277638874447
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SHA512
6cda17efab2e81ae3c69e0d07f87a05f35cd1b6ec34422fc3fff29a4f179e2aa3e2cd07e7d6681230f4001be06ce62c557afa0efcd1e3272e444cceeef53503d
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8X:T6QFElP6n+gxmddpMOtEvwDpjwa3X
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 2024-01-26_561fc0c2e6fc2988988dc94e35aef351_cryptolocker
Files
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2024-01-26_561fc0c2e6fc2988988dc94e35aef351_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