Behavioral task
behavioral1
Sample
2024-04-26_ff7c71b46c8d0db1be3c8f2397bf1609_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-26_ff7c71b46c8d0db1be3c8f2397bf1609_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-26_ff7c71b46c8d0db1be3c8f2397bf1609_cryptolocker
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Size
61KB
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MD5
ff7c71b46c8d0db1be3c8f2397bf1609
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SHA1
879e13544844c4c813e045180313bf5147b76393
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SHA256
99dd0cccd4d03c7460bdfe03ac4f8204614c235601593645fec1b83a49a63afe
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SHA512
5cb1186804afd8ec12aa3667968953af258db64ab0168ba6fddbe808d6ea26c25c6c12143b3698a267adc4a71d5ef3209d183380b89bc9cf6d05a08c5272ec2e
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHNMhm5:1nK6a+qdOOtEvwDpjW
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 2024-04-26_ff7c71b46c8d0db1be3c8f2397bf1609_cryptolocker
Files
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2024-04-26_ff7c71b46c8d0db1be3c8f2397bf1609_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