Behavioral task
behavioral1
Sample
2024-03-18_e4c62dc1fcbe81aaca3ef2b2d4eff3a2_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-18_e4c62dc1fcbe81aaca3ef2b2d4eff3a2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-18_e4c62dc1fcbe81aaca3ef2b2d4eff3a2_cryptolocker
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Size
83KB
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MD5
e4c62dc1fcbe81aaca3ef2b2d4eff3a2
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SHA1
6909398a2aa0c162b13d98493be68f3e6d3e7cde
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SHA256
09ccebec96008fd086f8978f7f389b88eba7cdc2d0110ccb8b4ae18e6b9a1a1c
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SHA512
ee950ea2133ed86299db2d11afcedf20e37927c044e44679697da5913353360a203332592dbc8e547dc5af381983c763b1817134cd7c99db3f5c557c252d370c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1W:zCsanOtEvwDpjA
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 2024-03-18_e4c62dc1fcbe81aaca3ef2b2d4eff3a2_cryptolocker
Files
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2024-03-18_e4c62dc1fcbe81aaca3ef2b2d4eff3a2_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