Behavioral task
behavioral1
Sample
2024-05-12_4b0143f507b1d1cebe994a7953f4ecad_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-12_4b0143f507b1d1cebe994a7953f4ecad_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_4b0143f507b1d1cebe994a7953f4ecad_cryptolocker
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Size
84KB
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MD5
4b0143f507b1d1cebe994a7953f4ecad
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SHA1
7e51951f80d78c9261c7f013ad4593a69db66087
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SHA256
bc3dbe0fab7acd8b45b6208d77615de677d841186c493f74b0daefc5444ed787
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SHA512
c93ddaa61df9bfc10520c3e53d8bdf711214b5346ac98834e18a1e92cc3c1cc400d660aa4a08920ab5320f77845ea8a9df8392f415a01a6b47d12e646c7b2488
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1a:zCsanOtEvwDpj0
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 2024-05-12_4b0143f507b1d1cebe994a7953f4ecad_cryptolocker
Files
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2024-05-12_4b0143f507b1d1cebe994a7953f4ecad_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