Behavioral task
behavioral1
Sample
2024-02-29_b4e3d25ee83633b0c72aa7d3aa2f34e8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_b4e3d25ee83633b0c72aa7d3aa2f34e8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_b4e3d25ee83633b0c72aa7d3aa2f34e8_cryptolocker
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Size
117KB
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MD5
b4e3d25ee83633b0c72aa7d3aa2f34e8
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SHA1
0a1032ee3f429484cb5dec9920100d2b3ca9798f
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SHA256
d5371aee071be16658931648bbf9450f5c88d9b7812efedcd882e056ab18cf61
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SHA512
f25c639a92dbf492174fed3e9594d4f4dc501df34992fb19022906d37432d1eb09b29d8a21572da6a4d290dc613e6fa129b8e34c817b78ba157c8c6663c7b185
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp013:z6a+CdOOtEvwDpjczl
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 2024-02-29_b4e3d25ee83633b0c72aa7d3aa2f34e8_cryptolocker
Files
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2024-02-29_b4e3d25ee83633b0c72aa7d3aa2f34e8_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_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