Behavioral task
behavioral1
Sample
2024-02-23_c117ac7f6c0a8fc48bd086f1480a13d2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_c117ac7f6c0a8fc48bd086f1480a13d2_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_c117ac7f6c0a8fc48bd086f1480a13d2_cryptolocker
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Size
56KB
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MD5
c117ac7f6c0a8fc48bd086f1480a13d2
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SHA1
5e949df05ff30673033eef40d8deca672b44b2b6
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SHA256
9298e31519fa4f208c51cdb56ca2058c99e15c3410da74dbfce7e2082f059492
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SHA512
82fc6d34861f699d77c3172351e2b6077889d9c4cd2dc650d8677776255bff764a04c2664d670627e95afb0ec35ef788383e81f7c5cfe646382c81f7bb70be48
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcj:z6QFElP6n+gKmddpMOtEvwDpj9aYay
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_c117ac7f6c0a8fc48bd086f1480a13d2_cryptolocker
Files
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2024-02-23_c117ac7f6c0a8fc48bd086f1480a13d2_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