Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
2.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
2.exe
Resource
win10v2004-20231222-en
General
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Target
s.7z
-
Size
924KB
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MD5
e1e25cf99caaca5be73b35414a4a9a2b
-
SHA1
68001dc481cdbc52a7b09cb6da234c5c741e80e8
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SHA256
543b93497ca18e8da3f19caa4afd1e6fa94a409b3ed34037828d56e99a2a27de
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SHA512
f9e087e1fabfbd84ed6a4de179f027af73d707619db27fdd8b982e2b069d55567f7f8c5e279f8ada0e2ef8565b912dd24a2861881eac2d5070a1f7191f807c06
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SSDEEP
24576:q2oolC9CajRgDK2qsJEyXcFol2ut6nFslKVLuFlF:1ajRH1qcecqlYuFb
Malware Config
Signatures
-
resource yara_rule static1/unpack001/1.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/1.exe unpack001/2.exe
Files
-
s.7z.7z
Password: infected
-
1.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 104KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 704KB - Virtual size: 708KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 48KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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2.exe.exe windows:5 windows x86 arch:x86
Password: infected
000df336b102b7e013d9ff8d13e523f5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LocalUnlock
TryEnterCriticalSection
TlsGetValue
HeapFree
FreeEnvironmentStringsA
GetModuleHandleW
GetConsoleAliasesA
LoadLibraryW
GetLocaleInfoW
GetAtomNameW
LCMapStringA
GetConsoleOutputCP
GetLastError
GetProcAddress
GetLongPathNameA
CreateNamedPipeA
LoadLibraryA
OpenWaitableTimerW
LocalAlloc
SetCurrentDirectoryW
VirtualLock
FindAtomA
GetModuleFileNameA
CreateWaitableTimerW
DebugBreakProcess
CompareStringA
LocalFree
SetFileAttributesW
GetStartupInfoW
RaiseException
RtlUnwind
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetCurrentThread
Sleep
HeapSize
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
HeapCreate
HeapDestroy
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
LeaveCriticalSection
FatalAppExitA
EnterCriticalSection
VirtualAlloc
HeapReAlloc
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
SetConsoleCtrlHandler
FreeLibrary
InterlockedExchange
InitializeCriticalSectionAndSpinCount
GetTimeFormatA
GetDateFormatA
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
MultiByteToWideChar
GetStringTypeW
WideCharToMultiByte
LCMapStringW
GetTimeZoneInformation
CompareStringW
SetEnvironmentVariableA
Sections
.text Size: 685KB - Virtual size: 685KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 33KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 417B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ