Behavioral task
behavioral1
Sample
AutoUpdate.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
AutoUpdate.exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
AutoUpdate.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
AutoUpdate.exe
Resource
win10v2004-20240508-en
General
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Target
AutoUpdate.zip
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Size
3.4MB
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MD5
20df0411bfd2760c5b49581d0483ea56
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SHA1
049e13d1d1f648242a2a5d2f56144545086f1e4b
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SHA256
fcf8c230a0ba9c3a451a08bd686cca7431f6ab4fe99e0a9f14924cc57f3e774e
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SHA512
e5326846fd397ee371ace8f149ea138082abf43e103f413579e86cbe1da59b1fb57c5103152e57ed07901f0de64de6c6a687ed6d9154d809126d6bfb977ceb6e
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SSDEEP
98304:QjwVPlYgjcd+VUVkYAyDvQs5rah9xYpiUXNkMll:BVPlFS5VhVDvQerah98NkOl
Malware Config
Signatures
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resource yara_rule static1/unpack001/AutoUpdate.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/AutoUpdate.exe
Files
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AutoUpdate.zip.zip
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AutoUpdate.exe.exe windows:4 windows x64 arch:x64
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 8KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 31KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 13KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1024B - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.3MB - Virtual size: 3.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ