________________________
Behavioral task
behavioral1
Sample
ZS3.dll
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
ZS3.dll
Resource
win10v2004-20240508-en
General
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Target
ZS3.dll
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Size
108KB
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MD5
f17dea41df00276419391ebfdf4a2efe
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SHA1
0c5ced60dbb081a618954cf869092beacd59a5a5
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SHA256
092bd9da04a0a473f832845aeb9041de8b0068d54731deed3a3af4201c5b0aa8
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SHA512
2bbf01d1e819f9fa4c5bd970905dda17d5dee560b3fb39ce8acb40716aae28369067312ef0edbb19088a333e8cc21ecf65c7566f865e4200f60b005baf2f14a2
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SSDEEP
1536:h0phaPh6KMG2KCB+CVn1mz2FrTG8+2olmnlguqiPltGcWAKtdsENX:azvf11OkJ1XWAKtdsEN
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule sample family_blackmoon -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ZS3.dll
Files
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ZS3.dll.dll windows:4 windows x86 arch:x86
5777c26250acbdcabdaf952b8e7bb328
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
HeapFree
IsBadReadPtr
GetPrivateProfileStringA
GetTickCount
GetCommandLineA
GetModuleFileNameA
FreeLibrary
HeapReAlloc
LoadLibraryA
LCMapStringA
HeapAlloc
ExitProcess
GetModuleHandleA
GetProcessHeap
Sleep
TerminateProcess
OpenProcess
GetCurrentProcess
GetCurrentProcessId
CloseHandle
GetProcAddress
CreateThread
GetVersionExA
GetLastError
MultiByteToWideChar
WideCharToMultiByte
GetVersion
RtlUnwind
InterlockedDecrement
InterlockedIncrement
GetCurrentThreadId
TlsSetValue
TlsAlloc
TlsFree
SetLastError
TlsGetValue
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
DeleteCriticalSection
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
WriteFile
RaiseException
VirtualAlloc
IsBadWritePtr
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
SetFilePointer
LCMapStringW
GetCPInfo
GetACP
GetOEMCP
GetStringTypeA
GetStringTypeW
SetUnhandledExceptionFilter
IsBadCodePtr
SetStdHandle
FlushFileBuffers
user32
TranslateMessage
GetMessageA
DispatchMessageA
wsprintfA
MessageBoxA
GetAsyncKeyState
PeekMessageA
GetSystemMetrics
gdi32
DeleteObject
SelectObject
DeleteDC
BitBlt
GetDIBits
shell32
ShellExecuteA
Exports
Exports
Sections
.text Size: 72KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 106KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ