Behavioral task
behavioral1
Sample
2024-02-03_b794488fd1986c2a97fffbc52b308b86_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_b794488fd1986c2a97fffbc52b308b86_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_b794488fd1986c2a97fffbc52b308b86_cryptolocker
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Size
64KB
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MD5
b794488fd1986c2a97fffbc52b308b86
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SHA1
1711a96c63b75fc03dd6abddb548d6268a5d611d
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SHA256
d41961a58f8e7e79649f50eca31ba1ec56a34ce83b6a953573e26af5ebf625a4
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SHA512
da6e9e76799531daf21842709a5206a7749a622c94470b5ded4f3a6a0160b50f327c24257bda7ffc12cfb036478e99c63a6ddc7a8347aed2eee502f4c1bc4ce1
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFQ2YkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8HJP6ntOOtEvwDpjF
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 2024-02-03_b794488fd1986c2a97fffbc52b308b86_cryptolocker
Files
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2024-02-03_b794488fd1986c2a97fffbc52b308b86_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