_ReflectiveLoader@4
Behavioral task
behavioral1
Sample
3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65.dll
Resource
win10v2004-20240709-en
General
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Target
3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65.zip
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Size
112KB
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MD5
2f0322d3d363d67989d9e236a3aa2d5b
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SHA1
81773f3dbcc0ad14a575dba1de968afc286e6938
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SHA256
e38370ba5880651537602ed1df01f63cbc28cc88d71b62733d666ded9a4a96cc
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SHA512
02d5cda0cb9d49a13e72ae5703a9616441be6f41e9a1895e28fc69c6b981d8065fe9ab03f20c68b97268f7131aea88817f5016749178e60c593b34b786461d8f
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SSDEEP
3072:QmaP1/VinioV4ZXltrh1ppvhGlvp8J0re6DZ5Zrh:21/V4rV8t31GD20b5ZN
Malware Config
Extracted
cobaltstrike
0
http://192.168.1.107:90/ptj
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access_type
512
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crypto_scheme
256
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host
192.168.1.107,/ptj
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http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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http_method1
GET
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http_method2
POST
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maxdns
255
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polling_time
60000
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port_number
90
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sc_process32
%windir%\syswow64\rundll32.exe
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sc_process64
%windir%\sysnative\rundll32.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNcJFoo2Ic3jBhrcEpi+1TqQS9W/bnWJUKQGW5hF1wxtSKy7nsTcPGpjsxEaf7ZkODQHWn8Fb46ykFYa9TaXpSSd9Pnu+cojbRIm1hidc9c2/M6NVLj6VpRE5+Kqp+01k71Cjj1sxgHY9QZzbZncCpu7N6X/MdYZTAZls50s6hEwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
4096
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unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/submit.php
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user_agent
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
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watermark
0
Signatures
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Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule static1/unpack001/3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65 cobalt_reflective_dll -
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65
Files
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3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65.zip.zip
Password: infected
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3e7c7b3007d79d54c924b7592022c15642bc5957fc6048f2ed673da90b4c5a65.dll windows:5 windows x86 arch:x86
Password: infected
44d309e36559224e3a1493ec79ab73cc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
FindClose
MoveFileA
FindNextFileA
VirtualProtect
DeleteProcThreadAttributeList
HeapAlloc
UpdateProcThreadAttribute
HeapFree
GetProcessHeap
CreateRemoteThread
VirtualAlloc
VirtualAllocEx
LoadLibraryA
ProcessIdToSessionId
DuplicateHandle
InitializeProcThreadAttributeList
GetCurrentProcessId
CreateThread
FreeLibrary
VirtualFree
Thread32First
Thread32Next
SetLastError
OpenThread
CreateToolhelp32Snapshot
GetVersionExA
SuspendThread
PeekNamedPipe
WaitNamedPipeA
SetNamedPipeHandleState
LocalAlloc
LocalFree
GetComputerNameA
GetACP
CopyFileA
Process32First
Process32Next
ExitProcess
FindFirstFileA
FileTimeToSystemTime
GetFileAttributesA
ExpandEnvironmentStringsA
GetLogicalDrives
SystemTimeToTzSpecificLocalTime
GetFullPathNameA
ResumeThread
WriteProcessMemory
VirtualProtectEx
TerminateProcess
CreateProcessA
ReadProcessMemory
GetThreadContext
GetModuleHandleA
CreateNamedPipeA
GetProcAddress
ReadFile
GetCurrentThread
ConnectNamedPipe
GetCurrentProcess
CloseHandle
GetFileTime
GetCurrentDirectoryA
CreatePipe
GetLocalTime
GetCurrentDirectoryW
GetLastError
GetStartupInfoA
SetCurrentDirectoryA
FlushFileBuffers
DisconnectNamedPipe
MultiByteToWideChar
VirtualQuery
GetModuleFileNameW
DebugBreak
RaiseException
SetEnvironmentVariableW
OpenProcess
WriteFile
SetFileTime
SetEnvironmentVariableA
CompareStringW
CompareStringA
SetEndOfFile
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
SetStdHandle
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetLocaleInfoA
HeapSize
IsValidCodePage
GetCPInfo
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetTickCount
WaitForSingleObject
CreateFileA
Sleep
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
GetModuleHandleW
DeleteFileA
CreateDirectoryA
RemoveDirectoryA
GetCurrentThreadId
GetCommandLineA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapCreate
HeapDestroy
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
GetStdHandle
GetModuleFileNameA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
InterlockedDecrement
InitializeCriticalSectionAndSpinCount
RtlUnwind
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
SetFilePointer
advapi32
RegOpenCurrentUser
OpenProcessToken
CreateProcessWithLogonW
DeleteService
CreateServiceA
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
LogonUserA
CheckTokenMembership
FreeSid
RevertToSelf
AllocateAndInitializeSid
DuplicateTokenEx
LookupAccountSidA
GetTokenInformation
RegCloseKey
RegEnumKeyA
RegEnumValueA
CloseServiceHandle
RegOpenKeyExA
GetUserNameA
CreateProcessWithTokenW
CreateProcessAsUserA
AdjustTokenPrivileges
ControlService
QueryServiceStatusEx
ImpersonateNamedPipeClient
ImpersonateLoggedOnUser
LookupPrivilegeValueA
OpenThreadToken
OpenServiceA
OpenSCManagerA
QueryServiceStatus
StartServiceA
wininet
InternetConnectA
InternetQueryDataAvailable
InternetReadFile
InternetSetOptionA
HttpOpenRequestA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetQueryOptionA
HttpQueryInfoA
ws2_32
connect
htons
socket
closesocket
ntohs
gethostname
inet_ntoa
WSAStartup
WSACleanup
gethostbyname
htonl
ntohl
recv
shutdown
WSAGetLastError
ioctlsocket
accept
listen
__WSAFDIsSet
bind
select
send
dnsapi
DnsFree
DnsQuery_A
iphlpapi
GetIfEntry
GetIpAddrTable
secur32
LsaCallAuthenticationPackage
LsaConnectUntrusted
LsaLookupAuthenticationPackage
Exports
Exports
Sections
.text Size: 149KB - Virtual size: 148KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ