Behavioral task
behavioral1
Sample
2024-05-31_76bbf1420ba9c417b6b6f59f119c4128_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-31_76bbf1420ba9c417b6b6f59f119c4128_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-31_76bbf1420ba9c417b6b6f59f119c4128_cryptolocker
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Size
56KB
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MD5
76bbf1420ba9c417b6b6f59f119c4128
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SHA1
4020eaf5a77db528db41f08ab7f81ae23fad3a34
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SHA256
39373e814fb48e3452f9c82d0f34c458f70958edc5be31aaa46234dff12f37ff
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SHA512
e0c476b04f6843f885e5db4b98f4d48f47de35f16a6c4db18b972f07d31df441e9241366f0a56fce0fdf4e61f8c19460fbe91fa2a82495e1e3487b95a5622187
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYq:bP9g/xtCS3Dxx0Lq
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 2024-05-31_76bbf1420ba9c417b6b6f59f119c4128_cryptolocker
Files
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2024-05-31_76bbf1420ba9c417b6b6f59f119c4128_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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