Behavioral task
behavioral1
Sample
2024-04-11_b3b356fb2473331421f226949ccaa5fe_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_b3b356fb2473331421f226949ccaa5fe_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_b3b356fb2473331421f226949ccaa5fe_cryptolocker
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Size
110KB
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MD5
b3b356fb2473331421f226949ccaa5fe
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SHA1
aefbdee0e97308b1fb295c324d14b766a5c91992
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SHA256
1e6b994cad51afd1e1f47f739bfc690f537bc334262ce3e6692f9dabfbe396d6
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SHA512
4a2b5d5be63dccf87a687cd7edb51ea57e53aeeef0d5119cea811c688e8942902c1def82890186cb896a792e1c81d4197f411b6dd17fb0147ebc9e1059d0eb11
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg2:z6a+CdOOtEvwDpjczK
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 2024-04-11_b3b356fb2473331421f226949ccaa5fe_cryptolocker
Files
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2024-04-11_b3b356fb2473331421f226949ccaa5fe_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