Behavioral task
behavioral1
Sample
2024-05-28_d40b1a60e08034f69380c8613935f553_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-28_d40b1a60e08034f69380c8613935f553_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-28_d40b1a60e08034f69380c8613935f553_cryptolocker
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Size
82KB
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MD5
d40b1a60e08034f69380c8613935f553
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SHA1
09e50fc4a7adb9a15869c2cce63056bf518163b1
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SHA256
ecd091bd70526794eccfa046b346dcd2c6eb45935d3aff97c2fed4a48c05ad3e
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SHA512
441903c8d5e988e9235e0a21bb389ddb1a045d7adc76dd69470d1ea7be0927cd7e2f31891a3127dd6bf458c29a14f56026c757f10162a517cdda764cfb93e5ba
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpGT:zCsanOtEvwDpjO
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 2024-05-28_d40b1a60e08034f69380c8613935f553_cryptolocker
Files
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2024-05-28_d40b1a60e08034f69380c8613935f553_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