Behavioral task
behavioral1
Sample
2024-02-02_d11ac9a27963e8436289338a1a4cc5fc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-02_d11ac9a27963e8436289338a1a4cc5fc_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-02_d11ac9a27963e8436289338a1a4cc5fc_cryptolocker
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Size
116KB
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MD5
d11ac9a27963e8436289338a1a4cc5fc
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SHA1
d9b0976af8a387908ba870b7b99cab32fba1f4c1
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SHA256
c1f03a9936da3a7c32b4590fec2eaddad82e5c20cf555c7da82ba85213d7633f
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SHA512
e22d0b539ea260a85d667830f432a4cd6894932eaa3b9a641d858b6696b849310e979cb8de4c5a5712cf1562ae769e5cfd302f048fbc8dc38ec7c7477088327f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01E:z6a+CdOOtEvwDpjczC
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 2024-02-02_d11ac9a27963e8436289338a1a4cc5fc_cryptolocker
Files
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2024-02-02_d11ac9a27963e8436289338a1a4cc5fc_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