msimn.pdb
Behavioral task
behavioral1
Sample
c9aff6b76ea5ce0af5c5905f7257b5ec.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c9aff6b76ea5ce0af5c5905f7257b5ec.exe
Resource
win10v2004-20240226-en
General
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Target
c9aff6b76ea5ce0af5c5905f7257b5ec
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Size
174KB
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MD5
c9aff6b76ea5ce0af5c5905f7257b5ec
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SHA1
854dc382a4dd4c6c554ea29b5bc758b953068273
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SHA256
319f6dcd560820ef625d0ecc2208da39a5871812dcb617e059b9a0b67c9a3585
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SHA512
608e4ab279aa2b12982d5fd64d78cc2a9cb3a8acb36ae400927704282aa34957b9ccd4afbec8d43d77609ef31b7cc87f37f3d47b23daacfe7eacd2f1b8a24e2e
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SSDEEP
3072:cwV6DGP+c+ZdlMMMMM2MMMMMovLxzr+kTyzyvs5gxS+MFjUQmTbaSdcjSuuySahY:cw8Dm+tlMMMMM2MMMMMwxnG8s+MVUQmR
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c9aff6b76ea5ce0af5c5905f7257b5ec
Files
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c9aff6b76ea5ce0af5c5905f7257b5ec.exe windows:5 windows x86 arch:x86
4dcec2841207709ba9c35c9a84029300
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
msvcrt
_vsnprintf
advapi32
RegOpenKeyExA
RegCloseKey
RegQueryValueExA
kernel32
GetVersionExA
UnhandledExceptionFilter
CloseHandle
ReleaseMutex
GetFileAttributesA
GetLastError
FreeLibrary
GetProcAddress
LoadLibraryA
lstrlenW
WaitForSingleObject
CreateMutexA
ExitProcess
GetModuleHandleA
GetStartupInfoA
SetErrorMode
GetCommandLineW
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
lstrcpynA
SetUnhandledExceptionFilter
lstrlenA
GetEnvironmentVariableA
GetModuleFileNameA
user32
GetWindowThreadProcessId
SetForegroundWindow
SendMessageTimeoutA
LoadStringA
MessageBoxA
shlwapi
SHGetValueA
StrCmpIW
ord67
SHSetValueA
StrStrIA
PathRemoveFileSpecA
ord157
Sections
.text Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.UPX0 Size: 104KB - Virtual size: 252KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE