Behavioral task
behavioral1
Sample
2024-02-23_9401a2e3c3b7ed4f12cd93c526a97e1a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_9401a2e3c3b7ed4f12cd93c526a97e1a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_9401a2e3c3b7ed4f12cd93c526a97e1a_cryptolocker
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Size
117KB
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MD5
9401a2e3c3b7ed4f12cd93c526a97e1a
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SHA1
1686268095fd08887366c40635b7f65d16b13403
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SHA256
0fd670ff324c762a3d80352646784f3773dec66715055a5e6134194fc6c83883
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SHA512
239eae57f10534a6be5375c44463176dbc286e0d5f9ecb80f35a601280ea55a98f007c05827f87c0921d7eb99acb42c2f51f5aca27ac7850bd07c5b725c45cc4
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNp:z6a+CdOOtEvwDpjczf
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 2024-02-23_9401a2e3c3b7ed4f12cd93c526a97e1a_cryptolocker
Files
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2024-02-23_9401a2e3c3b7ed4f12cd93c526a97e1a_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