Behavioral task
behavioral1
Sample
2024-01-28_ef9b990d4efe9d9d162a7495190f1302_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_ef9b990d4efe9d9d162a7495190f1302_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_ef9b990d4efe9d9d162a7495190f1302_cryptolocker
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Size
61KB
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MD5
ef9b990d4efe9d9d162a7495190f1302
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SHA1
b4bc7a07ef49e7be04fadc285612698450a2b7a4
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SHA256
a25047e79ef44caeb017ac4c92cbf929386bee5a9158084b5e41d86636b10843
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SHA512
2bae83f61ec7d6b0c7ed662c90661c470aeaf6c315f04ad56eca99572d54152a42bf61990af105e9fe7fb70fa98a24b2132e2ca1ef5e47d38733c99c077b2e93
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoX:1nK6a+qdOOtEvwDpjp
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 2024-01-28_ef9b990d4efe9d9d162a7495190f1302_cryptolocker
Files
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2024-01-28_ef9b990d4efe9d9d162a7495190f1302_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