Behavioral task
behavioral1
Sample
2024-04-15_a81e071fe357a1cfdd37f4f74d3fd50c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_a81e071fe357a1cfdd37f4f74d3fd50c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_a81e071fe357a1cfdd37f4f74d3fd50c_cryptolocker
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Size
79KB
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MD5
a81e071fe357a1cfdd37f4f74d3fd50c
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SHA1
5268ef07b541219c6d7357e174d89409433e77cd
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SHA256
19f689826d005150957c788b5876b6eefa6bd9bedb7a6d7998391e4b780109e8
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SHA512
b5efcd3c040d9b70fbba41f14466346b1949824b57d946b7aaefcdc9b8ed76c8c20574d9638039ef49fb08f6b8a0c7592bfe3908ccc7c9e561f408d82890b3d4
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QV:zCsanOtEvwDpjx
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 2024-04-15_a81e071fe357a1cfdd37f4f74d3fd50c_cryptolocker
Files
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2024-04-15_a81e071fe357a1cfdd37f4f74d3fd50c_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