Behavioral task
behavioral1
Sample
2024-02-29_20fd838712bd4969f9a0399f76e9ae90_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_20fd838712bd4969f9a0399f76e9ae90_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_20fd838712bd4969f9a0399f76e9ae90_cryptolocker
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Size
64KB
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MD5
20fd838712bd4969f9a0399f76e9ae90
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SHA1
843d6ece75e0f969ec86ef9ec662ca129744a31e
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SHA256
91899d2db88c3ac6513bd81b032f0c11bf544e7ae76e51d8bba0cfee341c22b3
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SHA512
ddbbf1dd9135b330c8c105fd9bafec6bfde2a16d7bf9b685bcdb9e037861deb83d1cb6719c5baf9e271f39f5c03ef599adb5b06ac26cb7dffab2126dba58c9a7
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UnUl:1nK6a+qdOOtEvwDpjR
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 2024-02-29_20fd838712bd4969f9a0399f76e9ae90_cryptolocker
Files
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2024-02-29_20fd838712bd4969f9a0399f76e9ae90_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE