Behavioral task
behavioral1
Sample
2024-04-24_99dbb6dc69d2ccfe84b78d08e1198383_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_99dbb6dc69d2ccfe84b78d08e1198383_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_99dbb6dc69d2ccfe84b78d08e1198383_cryptolocker
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Size
51KB
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MD5
99dbb6dc69d2ccfe84b78d08e1198383
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SHA1
50e68461ef9fccf8d84cbc9a5ab8177718b03078
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SHA256
524e57e66367b5fb01ba1b629e7ef01adb8bf05795b6509c44bb7e7026ea2e53
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SHA512
64ff11bfd1d50852450a3906caf4323a836abd5ac0ba052a6a7dbbe1355d5acd381e2ee1cd8a07fb98d145ef30a3b70e2bbe6015f5ee2f57b418e8c9269d5da3
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO3:bODOw9acifAoc+vE
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-24_99dbb6dc69d2ccfe84b78d08e1198383_cryptolocker
Files
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2024-04-24_99dbb6dc69d2ccfe84b78d08e1198383_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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