Static task
static1
Behavioral task
behavioral1
Sample
Update-KB7359-x86.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Update-KB7359-x86.exe
Resource
win10v2004-20231215-en
General
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Target
3139e82989d25d23a0a4e4543411edb7
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Size
21KB
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MD5
3139e82989d25d23a0a4e4543411edb7
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SHA1
559ba2070e65dead5355ede503f9f3bfd477c800
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SHA256
d4804ed16665e04c7a3712a48f8740f8128c5fa89d8ad06a07fe1f3e755cb7a9
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SHA512
f34026464792bc9b6ac54293f9481d8456e25f0f593c724e35fe2b90656cd15b306bd6f8ef360c7d6568b0d92ff83d265cc7cc104560ae8fd99c3ceec8091c79
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SSDEEP
384:bJBoH5OF7nWtQOiYcyc5RLwFZWRoJnzbXXYOhZ8vQaazLHCnrFG:9BKOF7nWiVDymS7WipzrXnTVaAzaG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Update-KB7359-x86.exe
Files
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3139e82989d25d23a0a4e4543411edb7.eml
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!!KV!!.txt
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Update-KB7359-x86.exe.exe windows:4 windows x86 arch:x86
87bed5a7cba00c7e1f4015f1bdae2183
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LoadLibraryA
GetProcAddress
Sections
.text Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 740B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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email-plain-1.txt