Behavioral task
behavioral1
Sample
START_ME.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
START_ME.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral3
Sample
assets/simulation.exe
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
assets/simulation.exe
Resource
win10v2004-20231130-en
General
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Target
c9570a501a972a730a9c05bbb409f685.bin
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Size
14.1MB
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MD5
c9570a501a972a730a9c05bbb409f685
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SHA1
663b7db19eff7675295f58e9140825c4edfadf6c
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SHA256
d299e06cb96290955bb61aa53f79fa9ab0de67fa3d21484d02625254c0422693
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SHA512
3b9d49ec5ef7bd0990dd34b398225ba59729ea68f0286c2ae047b9fee9acfed6e785c31cd8e400632f3881166922db159bc778ed4b71a2c8072db9d06103f6b9
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SSDEEP
393216:mH7PRGhX9y0KnfvHAjbhPdj4hgmFVG1+Xb8Oo9gzBfMvwEbML4Ja:mT89MnSdEHMgJT5S4kJa
Malware Config
Signatures
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resource yara_rule static1/unpack001/assets/simulation.exe themida -
Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/assets/simulation.exe pyinstaller -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/START_ME.exe unpack001/assets/simulation.exe
Files
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c9570a501a972a730a9c05bbb409f685.bin.zip
Password: infected
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START_ME.exe.exe windows:6 windows x86 arch:x86
Password: infected
28336c62b5fe40c8a5ca33cbb70b1101
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
ws2_32
closesocket
gethostname
freeaddrinfo
getaddrinfo
ioctlsocket
htonl
sendto
recvfrom
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
listen
ntohl
WSACleanup
WSAStartup
WSAIoctl
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSASetLastError
select
__WSAFDIsSet
WSAGetLastError
inet_pton
socket
send
recv
accept
wldap32
ord46
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord143
crypt32
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
kernel32
HeapFree
FlushFileBuffers
HeapAlloc
GetConsoleOutputCP
ReadConsoleW
GetConsoleMode
GetCommandLineW
GetCommandLineA
GetModuleFileNameW
WriteFile
FreeLibraryAndExitThread
ExitThread
CreateThread
SetFilePointerEx
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
GetDriveTypeW
CreateFileW
SetStdHandle
SetConsoleCtrlHandler
GetModuleHandleExW
ExitProcess
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
DeleteFileW
GetTimeZoneInformation
HeapReAlloc
GetFileAttributesExW
GetCurrentDirectoryW
GetFullPathNameW
FindClose
GetDateFormatW
Sleep
CreateProcessA
WriteConsoleW
QueryPerformanceCounter
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetLastError
GetEnvironmentVariableA
MoveFileExA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CloseHandle
WaitForSingleObjectEx
SetLastError
FormatMessageW
VerSetConditionMask
VerifyVersionInfoA
CreateFileA
GetFileSizeEx
LoadLibraryExW
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
SetEndOfFile
HeapSize
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryEnterCriticalSection
GetCurrentThreadId
EncodePointer
DecodePointer
LCMapStringEx
GetSystemTimeAsFileTime
GetModuleHandleW
GetStringTypeW
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwind
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
advapi32
CryptHashData
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptAcquireContextA
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
Sections
.text Size: 675KB - Virtual size: 675KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 149KB - Virtual size: 148KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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assets/agent_config.json
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assets/simulation.exe.exe windows:5 windows x64 arch:x64
Password: infected
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 71KB - Virtual size: 131KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 31KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 389B - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 4KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 117B - Virtual size: 172B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 49KB - Virtual size: 58KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.imports Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 59KB - Virtual size: 59KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
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657381dd42512c0c020a0208.pyc