Behavioral task
behavioral1
Sample
2024-02-21_cf216b27b2e4a4e2324ada9cdb51e64e_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-21_cf216b27b2e4a4e2324ada9cdb51e64e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_cf216b27b2e4a4e2324ada9cdb51e64e_cryptolocker
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Size
61KB
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MD5
cf216b27b2e4a4e2324ada9cdb51e64e
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SHA1
4c376803ed347c006cb319066252a2adb8dc1289
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SHA256
b0ff7e1a7f25ce30f2053a5697a89257d7dfaa18138bf45e46bffc0d259a219a
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SHA512
4b981f3e58a00f3ee2cf465080fb4ca6047de384c6b8d66feedf8cc4f333c699ff9a03a2b7046c1740adc0cccd9ed74ea18c8c61199dbc210a2a24fe1fd17cd3
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAW5f:z6a+CdOOtEvwDpjQj
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 2024-02-21_cf216b27b2e4a4e2324ada9cdb51e64e_cryptolocker
Files
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2024-02-21_cf216b27b2e4a4e2324ada9cdb51e64e_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