Behavioral task
behavioral1
Sample
2024-02-23_b841fe4084e69dd0dae1dd88990ac3d6_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-23_b841fe4084e69dd0dae1dd88990ac3d6_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_b841fe4084e69dd0dae1dd88990ac3d6_cryptolocker
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Size
55KB
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MD5
b841fe4084e69dd0dae1dd88990ac3d6
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SHA1
94c35cb7562c21f6db379de4b3e8921241737785
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SHA256
1317e01924d77788ce471f9bcf38b411b0962a18533a01f4b073cadf10527d4c
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SHA512
709cdb9f283cd91c13f6d09f79c79473ca2c8066b04853e4bd24b30f3addba0da1413d51c54c9afaef3819e9843bb56cac9228197af9b5042fa39853af76d8c9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appbg:z6QFElP6n+gKmddpMOtEvwDpj9aYarg
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 2024-02-23_b841fe4084e69dd0dae1dd88990ac3d6_cryptolocker
Files
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2024-02-23_b841fe4084e69dd0dae1dd88990ac3d6_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