Behavioral task
behavioral1
Sample
MicrosoftSfx.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
MicrosoftSfx.exe
Resource
win10v2004-20230703-en
General
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Target
MicrosoftSfx.exe
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Size
15KB
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MD5
2a8002b9e97b360dd6da4787e1ef36d2
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SHA1
51edc69030862c811f2332981d287b3e81ff54ba
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SHA256
b09f66bc5b86ff80abf219b18d34dc8b758a7ad6368b223b1bb95241f4ffa79d
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SHA512
5cb68a2f23d53c64cfd95ee1f94b51fb8b9ab2002c71da49041fad1ad5aaa7bc30676ed83258d22a6975ee2d8a046b9a489971f43fdeedfe8f13b61d38c13902
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SSDEEP
96:5NfJy39aafjEPQYi3K1DntAfdomPdHWsyz7w7b:hu9aabWQYQK5YouI1s7b
Malware Config
Extracted
metasploit
encoder/shikata_ga_nai
Extracted
metasploit
windows/reverse_tcp
74.207.240.21:9289
Signatures
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Metasploit family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MicrosoftSfx.exe
Files
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MicrosoftSfx.exe.exe windows x86
b093b9b6223af7f9e72d34d8765aa77f
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
Imports
advapi32
RegisterServiceCtrlHandlerA
SetServiceStatus
StartServiceCtrlDispatcherA
kernel32
CloseHandle
CreateProcessA
ExitProcess
GetThreadContext
ResumeThread
SetThreadContext
VirtualAllocEx
WriteProcessMemory
msvcrt
memset
Sections
.text Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 28B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 48B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 548B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE