Behavioral task
behavioral1
Sample
2024-02-23_8c7e85382dfad962b3ba14dc6e6d3431_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_8c7e85382dfad962b3ba14dc6e6d3431_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_8c7e85382dfad962b3ba14dc6e6d3431_cryptolocker
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Size
61KB
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MD5
8c7e85382dfad962b3ba14dc6e6d3431
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SHA1
93d587c17d044e4c1e557adae13ed8ee0dc23b33
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SHA256
02bad2c7ba7a27f82acb9e8e4da8924dccfe504db08c2cf56f3519f250a08a8d
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SHA512
58f07c2047c6148fe56a685da0abd6825713ce7167dbfd3fd58d146140292a608acb79a606e37738b1a9f5d6284e28168656acff4f793e1bc5d213b80361d402
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAW2:z6a+CdOOtEvwDpjQo
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_8c7e85382dfad962b3ba14dc6e6d3431_cryptolocker
Files
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2024-02-23_8c7e85382dfad962b3ba14dc6e6d3431_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