Behavioral task
behavioral1
Sample
2024-04-16_20b4e936925df6ead0172211f856d56f_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-16_20b4e936925df6ead0172211f856d56f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_20b4e936925df6ead0172211f856d56f_cryptolocker
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Size
95KB
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MD5
20b4e936925df6ead0172211f856d56f
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SHA1
436d23ebe90a1d13ea78a1ab35ba19429eae6fc5
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SHA256
45fa8c1741993d8cfa755fdb90a746b836066a8c5c0ce92e1674a35e54d0ae87
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SHA512
be7db32ccd371ec97bba1ea85ad0498e2806e8f52c4f5aea78b5314e98c8155a84e69bbc075408c8b98712a9d9c79fbb3fe29cda1fc9c0db127eafa4cd280cb6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bO:zCsanOtEvwDpjBC
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 2024-04-16_20b4e936925df6ead0172211f856d56f_cryptolocker
Files
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2024-04-16_20b4e936925df6ead0172211f856d56f_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