Behavioral task
behavioral1
Sample
2024-03-29_8fb012fff733174bd7aa0a994b105d56_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_8fb012fff733174bd7aa0a994b105d56_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_8fb012fff733174bd7aa0a994b105d56_cryptolocker
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Size
82KB
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MD5
8fb012fff733174bd7aa0a994b105d56
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SHA1
7b961e6244827e9e3e1256ef0f037f3fc79faa2c
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SHA256
cc04d91e8024238482ec6b6dbed40e4417da45a6a122c2a2f373ea274def0c6e
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SHA512
0a671ef2c784820783c64669bc2130d9dc524ebade3a59b4d3090f4d0446587aa981c5b689e6583f73bfaacc8f8e0728226f427b1d14633116ae9902b46fcd0f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2fZJ:zCsanOtEvwDpjV
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 2024-03-29_8fb012fff733174bd7aa0a994b105d56_cryptolocker
Files
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2024-03-29_8fb012fff733174bd7aa0a994b105d56_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: 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