Behavioral task
behavioral1
Sample
2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker
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Size
80KB
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MD5
b307476108e027a74cc749104826e7c3
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SHA1
ca85dfaa580db2abb5e311af9825a27b23057c5e
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SHA256
2293c35121a415a844c41eceddcafc46677c88b9fef8603ffbd530613bcdf423
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SHA512
ae6dab3b15a2fd9c7c2785fb9f0b5965b4f40854506512869057af5d349abd7d1793434ef663af01f1c0c351b831e5e2098b19c4afe9890dec7cea016f48ee97
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyTghl:zCsanOtEvwDpjn
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 2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker
Files
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2024-03-06_b307476108e027a74cc749104826e7c3_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