Behavioral task
behavioral1
Sample
2024-03-10_d557e85c5580facb67456e805950bbe9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-10_d557e85c5580facb67456e805950bbe9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-10_d557e85c5580facb67456e805950bbe9_cryptolocker
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Size
71KB
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MD5
d557e85c5580facb67456e805950bbe9
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SHA1
ec378b15c3ca5df5a4996791854fb32a3894f351
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SHA256
6d16ff1f97763f1b521d73ae8694e5413eed5cd09d7d2a1a919425c433c692e7
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SHA512
0533eeb3f046d6292ec3cf1168f9579fd75b78273a6228c62d945c720519df478d5bf66875a75fb9b9ad24b58183c26f3745034336aae338d81a76173d3477c4
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBY:z6a+CdOOtEvwDpjQG
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 2024-03-10_d557e85c5580facb67456e805950bbe9_cryptolocker
Files
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2024-03-10_d557e85c5580facb67456e805950bbe9_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