Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_f39a8c8424c60fb05fc90b478cfd00b0.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
virussign.com_f39a8c8424c60fb05fc90b478cfd00b0.exe
Resource
win10v2004-20240426-en
General
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Target
virussign.com_f39a8c8424c60fb05fc90b478cfd00b0.vir
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Size
350KB
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MD5
f39a8c8424c60fb05fc90b478cfd00b0
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SHA1
d62eb9eb136253b4d977a59c333cc653045ec4a6
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SHA256
046f643acdc54bf6faf67808bdc9bdac8df873fff06cf2ee9b7912ad826f819e
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SHA512
95af0ce7c942b8d9da19ea7746af6c5cfa8789af1af00b37a87491deabb101602dfb4a71cfba866bbc0374adfc735b5225fdad0a7bae55917a5573a3a6ff5202
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SSDEEP
6144:sVTQ0SiuxLxeHs/4UvcZSeNH4ikRo6S5W3v71TLnOxV8SyuiNu:MSiieHs/KeoHkzxOxqSyj
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_f39a8c8424c60fb05fc90b478cfd00b0.vir
Files
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virussign.com_f39a8c8424c60fb05fc90b478cfd00b0.vir.exe windows:5 windows x86 arch:x86
0d2b4bad654dfcf8713268ad0b8f346f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
strstr
_snprintf
memcpy
memset
netapi32
NetUserGetInfo
NetApiBufferFree
NetQueryDisplayInformation
ws2_32
WSAGetLastError
closesocket
send
select
__WSAFDIsSet
shell32
ord680
shlwapi
StrStrIA
PathAddBackslashA
PathFileExistsA
ntdll
RtlImageNtHeader
RtlAdjustPrivilege
RtlCreateUserThread
kernel32
CopyFileA
GetTempFileNameA
GetProcessHeap
HeapValidate
GetTempPathA
GlobalFindAtomA
GlobalAddAtomA
GetModuleFileNameW
WriteProcessMemory
Module32Next
VirtualAllocEx
Module32First
CreateRemoteThread
VirtualQuery
MultiByteToWideChar
FlushInstructionCache
GetProcAddress
GetModuleFileNameA
GetModuleHandleA
GetTickCount
GetVolumeInformationA
GetEnvironmentVariableA
GetCurrentProcess
VirtualFree
VirtualAlloc
DeleteFileA
Process32First
OpenProcess
GetSystemWindowsDirectoryA
Process32Next
CreateToolhelp32Snapshot
CloseHandle
CreateFileA
MoveFileExA
lstrcpynA
SetEndOfFile
SetFileTime
WriteFile
IsBadWritePtr
ReadFile
GetFileSizeEx
GetFileTime
HeapAlloc
HeapFree
ExitProcess
Sleep
GetCurrentProcessId
CreateProcessA
user32
CharUpperA
advapi32
RegCreateKeyExA
GetUserNameA
CreateProcessWithLogonW
RegCloseKey
RegFlushKey
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
ole32
CoUninitialize
CoCreateInstance
CoInitializeEx
oleaut32
SysFreeString
SysAllocString
Sections
.text Size: 26KB - Virtual size: 26KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 291KB - Virtual size: 350KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ