Behavioral task
behavioral1
Sample
2024-01-23_878fccd9a21632c0c67924a40baa6d3e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_878fccd9a21632c0c67924a40baa6d3e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_878fccd9a21632c0c67924a40baa6d3e_cryptolocker
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Size
80KB
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MD5
878fccd9a21632c0c67924a40baa6d3e
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SHA1
fb10e12d40dee8275a68c907391c29886e2fa0b9
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SHA256
1590b4ed6908c7b23647fe25d32137afc512f7c45980a67b0a7c3f3d51ec04f7
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SHA512
6539640c7a7b40e569bb18d08d292b1a57bd21d0cb0e577ceb2b77ea00d7ff14c0eaef6a5d51f4666537df11685d4da2076b430033fab2ba8e91b33744d3fb98
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdei:T6a+rdOOtEvwDpjNtT
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 2024-01-23_878fccd9a21632c0c67924a40baa6d3e_cryptolocker
Files
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2024-01-23_878fccd9a21632c0c67924a40baa6d3e_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