Behavioral task
behavioral1
Sample
2024-05-22_f3496cd9417e9c83dd016a3c079dd78e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-22_f3496cd9417e9c83dd016a3c079dd78e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_f3496cd9417e9c83dd016a3c079dd78e_cryptolocker
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Size
56KB
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MD5
f3496cd9417e9c83dd016a3c079dd78e
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SHA1
66209e7cedd38cf0343100a9ec2954bbd57ab232
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SHA256
d5ae998882cf585259fc0f68f077117c279bb7f81c354f522536cba381d38fa5
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SHA512
5ce5a50d690cf861a89ba6ed64a339d05f7bcb9d4d3c5b346f1401584b77c9c58553ff115d936618f05c1508dac30df98b105b1230d8091465b6aaef252e9932
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl3:bP9g/xtCS3Dxx0U
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-22_f3496cd9417e9c83dd016a3c079dd78e_cryptolocker
Files
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2024-05-22_f3496cd9417e9c83dd016a3c079dd78e_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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