Behavioral task
behavioral1
Sample
2024-02-28_4cfcaf857a67ea88e94df83c14851226_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_4cfcaf857a67ea88e94df83c14851226_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_4cfcaf857a67ea88e94df83c14851226_cryptolocker
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Size
104KB
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MD5
4cfcaf857a67ea88e94df83c14851226
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SHA1
1fcdd14f7627ec05be1c3619ac8cf8e05604ddd4
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SHA256
bc58314fc11e30385c3ce385c58428444de9c317e3c6149f8f1bfafef788c661
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SHA512
c4d81925539da667786ecd8630023b1fc60f06d9ad196ee8f440d7219cc062b0ea5be92c1f13ce55f9c59fcbcbb86495aef24d777aa1cdc60f7052c0ee1a8ac8
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksU:1nK6a+qdOOtEvwDpjU
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 2024-02-28_4cfcaf857a67ea88e94df83c14851226_cryptolocker
Files
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2024-02-28_4cfcaf857a67ea88e94df83c14851226_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE