Behavioral task
behavioral1
Sample
2024-02-27_57edd5135f062cdbedabeb72b45e91c7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-27_57edd5135f062cdbedabeb72b45e91c7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-27_57edd5135f062cdbedabeb72b45e91c7_cryptolocker
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Size
98KB
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MD5
57edd5135f062cdbedabeb72b45e91c7
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SHA1
8af091b13a1309416f77dfbb8b077c2eacdeddf4
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SHA256
05bba6f7a51dc84e2dd97f414c79a01866f275096707987170602a40551ed061
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SHA512
cec2eafd7d4bf0cfad05fb40673d4d27c231452caf40846d8596ae568893b91a26f468c9a77e1eece908a445bd28692ca11fee054dfebea73b39aeb5da93329b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXy:z6a+CdOOtEvwDpjc+
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 2024-02-27_57edd5135f062cdbedabeb72b45e91c7_cryptolocker
Files
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2024-02-27_57edd5135f062cdbedabeb72b45e91c7_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