Behavioral task
behavioral1
Sample
2024-06-05_55893fb3988eb308706ec8fedc3bc597_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-05_55893fb3988eb308706ec8fedc3bc597_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-05_55893fb3988eb308706ec8fedc3bc597_cryptolocker
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Size
61KB
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MD5
55893fb3988eb308706ec8fedc3bc597
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SHA1
bb2d03a04571f9d940fd411900074e841c3bfb5e
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SHA256
e010ac76e34239438b8869c8bfbf671c47b5e4da53da110750d1b912727b72d2
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SHA512
c849e18ee466c4f1c96c3991b818bcc6aa332132ebb3807341219f0ae4ad144d6fc2b383edf67e864f65a8873fa5ea2d996248815b935a511d5bed51ce6f6f26
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pUze:H6QFElP6n+gou9cvMOtEvwDpjCpVXD
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 2024-06-05_55893fb3988eb308706ec8fedc3bc597_cryptolocker
Files
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2024-06-05_55893fb3988eb308706ec8fedc3bc597_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: 11KB - 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