Behavioral task
behavioral1
Sample
2024-06-14_f135245bcbdfd2039a6ac19ba819a3ac_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-14_f135245bcbdfd2039a6ac19ba819a3ac_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-14_f135245bcbdfd2039a6ac19ba819a3ac_cryptolocker
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Size
82KB
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MD5
f135245bcbdfd2039a6ac19ba819a3ac
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SHA1
434623a31a78bf65e2fc80021f2b4256847d462f
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SHA256
f8129d73db4cef5d89105d82609e3a6d71e8c6a5dcc23b48acc8dcaadb6097e1
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SHA512
21febd4308a524ffa21cf94ac41db5f27e0b707c5289c849cd48ed7b9684e62541baf8dbd881416ebd89a0c418c0dab3d1f21ee8c46bfa0246efe432acc29cf0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QB:zCsanOtEvwDpjV
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 2024-06-14_f135245bcbdfd2039a6ac19ba819a3ac_cryptolocker
Files
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2024-06-14_f135245bcbdfd2039a6ac19ba819a3ac_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_CODE
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