Behavioral task
behavioral1
Sample
2024-05-23_efb960b64d171346b60191e0f054da50_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-23_efb960b64d171346b60191e0f054da50_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_efb960b64d171346b60191e0f054da50_cryptolocker
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Size
95KB
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MD5
efb960b64d171346b60191e0f054da50
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SHA1
18e04ad6ddec679299641f07ee8e9d3b665e915a
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SHA256
0ae2e9387ea16c8a06f8d47ab4e14a0ce1a52b4fde141ebcf2e8e5b9b54efbdc
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SHA512
000da2f5efa2fae22a162c7990831ed98cad155fd6ef021ea03fd91c1ed639b1a8cb47d4ebacd3105095074b234569a29d1f05e5bcd6a6da5ff270e67bb1302f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kb:zCsanOtEvwDpjBg
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 2024-05-23_efb960b64d171346b60191e0f054da50_cryptolocker
Files
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2024-05-23_efb960b64d171346b60191e0f054da50_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