Static task
static1
Behavioral task
behavioral1
Sample
winupdate.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
winupdate.exe
Resource
win10v2004-20240221-en
General
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Target
winupdate.exe
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Size
100KB
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MD5
9098270ee4b62023cd036f63fd5a718f
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SHA1
b97e87557047ae5ae0e77449f6f9e3a4d16de8e7
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SHA256
35ef0c05bc16af0420825f12b812ca0df56172b3807480d39a2042f090174cb3
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SHA512
c3693146005292cb0e1d2bd2f0950131c2562b58bfdeb8a6e0ab70fbd0250e50acddd89b4bbdb2810e33030bc14efcd5998fd6e968f9ec88c63d736054917e61
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SSDEEP
1536:3kpoalOYktfCM83vWIYEVE/kGE5+Kb+LwoMSJZNR5FOJ3b:WFITtfCMr2VE/kOXMSJZjPOJ3b
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource winupdate.exe
Files
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winupdate.exe.exe windows:4 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 94KB - Virtual size: 93KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1024B - Virtual size: 736B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.edata Size: 512B - Virtual size: 54B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 20B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 236B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ