Behavioral task
behavioral1
Sample
2024-03-27_4a1f7fc9197aed218fa716302a65fdd3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_4a1f7fc9197aed218fa716302a65fdd3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_4a1f7fc9197aed218fa716302a65fdd3_cryptolocker
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Size
80KB
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MD5
4a1f7fc9197aed218fa716302a65fdd3
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SHA1
193a13241347cc80fc727cafc640e26b9b718e2c
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SHA256
17a7fc48bf9d6889167288a4f2f0782b23da2878ca9c9cdfd713390fa685e42e
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SHA512
d57cf5d0c932b63ace627410848126289a38542614bec680cc6528c8df843eb24a5971923eb285424eb0d3be69a2ed8bd543df6d58f9161550f17c0e5f90291f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp2CYd:zCsanOtEvwDpjG
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 2024-03-27_4a1f7fc9197aed218fa716302a65fdd3_cryptolocker
Files
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2024-03-27_4a1f7fc9197aed218fa716302a65fdd3_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