Behavioral task
behavioral1
Sample
2024-04-25_f41b7b9b0eae7de8ca371b67404f8b25_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-25_f41b7b9b0eae7de8ca371b67404f8b25_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_f41b7b9b0eae7de8ca371b67404f8b25_cryptolocker
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Size
51KB
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MD5
f41b7b9b0eae7de8ca371b67404f8b25
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SHA1
9e7cb021924c7859006985a3651cbe8bb3446a24
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SHA256
664ee8303489e8f8ef90e9e93b12900a81c3500779d791b778dd48852efdae86
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SHA512
4908cbd7a5cf1a1c5ee0910e7fc9b544377f89b9c84fb30f8414e10c08888cdbfefe9aceea8bbfb84b04ea21ae167cafa6265c5c7e7ce50f20d3d3a3f8854139
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkm:z6QFElP6n+gKmddpMOtEvwDpj31ikm
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 2024-04-25_f41b7b9b0eae7de8ca371b67404f8b25_cryptolocker
Files
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2024-04-25_f41b7b9b0eae7de8ca371b67404f8b25_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