Behavioral task
behavioral1
Sample
2024-05-02_7d4b5f44a86c4b6f4fc88dc68f45f44a_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-02_7d4b5f44a86c4b6f4fc88dc68f45f44a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-02_7d4b5f44a86c4b6f4fc88dc68f45f44a_cryptolocker
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Size
51KB
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MD5
7d4b5f44a86c4b6f4fc88dc68f45f44a
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SHA1
523541cb273c60690aa4e85b06dbe545fd59831e
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SHA256
29363804c5fa896a04c0d35bfa8bd2bde9b620d18d442cc24df9e14f01490bb7
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SHA512
ff5eb74d28f9a72a23a3556b70e6b1c7327a45114d8067d6fc89d7bc258a21741980966b616b3871c7e1c99f7c635323ce9f992dcbe6f9f2350aeeb840bbd755
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX0:bODOw9acifAoc+v80
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-02_7d4b5f44a86c4b6f4fc88dc68f45f44a_cryptolocker
Files
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2024-05-02_7d4b5f44a86c4b6f4fc88dc68f45f44a_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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