Behavioral task
behavioral1
Sample
2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker
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Size
53KB
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MD5
a722ff507850db4abc4e9a346dddbfdd
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SHA1
a75cf9b5df08032bd0dcc8cfe4d5115e4baa4a14
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SHA256
c043cd5848b12a81cc6a55fbdc4106cbdd91bccc2ca1228f02320e8510e10135
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SHA512
937b58ce01b831731452c326827bfa347c3ac17ba4ae199dbdc98678d5ad9e62a37861feed111ee54f5c71ba130eed1dc89b7f30ac5e87d0f422f26be9f3701c
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX3:bODOw9acifAoc+vc
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 2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker
Files
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2024-05-22_a722ff507850db4abc4e9a346dddbfdd_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