ReAgent[.]dll | Triage

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General

Target

ReAgent.dll
Size

922KB
MD5

4fd4be7ba245886ed70e68aa388ad345
SHA1

6269e715d96402e2145065baaaea210fbf819a78
SHA256

74d844f672b370c77046ca6206e911d68d57524b1e74569fcd0bfdafa0d870c9
SHA512

ac079b160b620efc154c1b97ad476e2ce4d562a04cf75dbd291360a5b12a1cdbb141312fe8c226438511dfe51d215caeecfcb17af60f50d1b8195e7cf11ea6c2
SSDEEP

24576:xtRXjoz2KJLJXJkJj6gLdKzaJ9AadTd+M3KGxkgMbK9ZVAOUqVm:PRsqQgJJ9Rdb35kgMbK9ZVAOTM

Score

1^/10

Malware Config

Signatures

Files

ReAgent.dll
.dll windows:10 windows x86 arch:x86

39335258153f59c2457089bc9a96f785

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16-11-2023 19:20

Not After

14-11-2024 19:20

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19-10-2011 18:41

Not After

19-10-2026 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

17:c0:ad:80:0e:08:90:66:9b:62:0f:01:0f:c6:7b:d5:fa:30:4d:4b:b0:a2:41:96:44:8f:70:e2:c8:c7:d4:ad
Signer

Actual PE Digest

17:c0:ad:80:0e:08:90:66:9b:62:0f:01:0f:c6:7b:d5:fa:30:4d:4b:b0:a2:41:96:44:8f:70:e2:c8:c7:d4:ad

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

ReAgent.pdb

Imports

msvcrt

memcpy
??0exception@@QAE@ABV0@@Z
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
_wtoi64
_CxxThrowException
_atoi64
_wcsicmp
wcschr
_vsnwprintf
_purecall
__CxxFrameHandler3
?terminate@@YAXXZ
??1type_info@@UAE@XZ
atol
_vsnprintf
_wcsnicmp
wcsrchr
memcmp
memmove
_onexit
__dllonexit
_unlock
swscanf_s
wcsncmp
wcsnlen
wcsstr
memcpy_s
_wcslwr
qsort
towupper
strcpy_s
_wcsupr
wcstoul
memmove_s
iswspace
wcscpy_s
wcscat_s
swprintf_s
_ultow_s
_vsnwprintf_s
_snwscanf_s
strncmp
wprintf
_vscwprintf
_lock
_except_handler4_common
_initterm
_amsg_exit
_XcptFilter
_callnewh
malloc
free
memset

kernel32

GetFileInformationByHandleEx
ExpandEnvironmentStringsW
GetCurrentDirectoryW
GetLongPathNameW
IsDebuggerPresent
DebugBreak
AcquireSRWLockShared
CreateMutexExW
CreateThreadpoolTimer
ReleaseSRWLockShared
GetLastError
SetLastError
GetProcessHeap
HeapFree
TlsGetValue
HeapAlloc
GetSystemDirectoryW
CreateFileW
CloseHandle
GetFileAttributesExW
GetVolumeNameForVolumeMountPointW
DeviceIoControl
FindFirstVolumeW
GetDriveTypeW
GetDiskFreeSpaceExW
FindNextVolumeW
FindVolumeClose
GetFileAttributesW
GetFullPathNameW
GetVolumePathNameW
MultiByteToWideChar
GetFileSize
ReadFile
SetEndOfFile
WriteFile
FlushFileBuffers
MoveFileExW
SetFileAttributesW
DeleteFileW
RemoveDirectoryW
CopyFileW
GetVersionExW
VirtualProtect
GetSystemWindowsDirectoryW
GetWindowsDirectoryW
GetTempPathW
CreateDirectoryW
GetFileSizeEx
GetModuleHandleW
GetProcAddress
GetTickCount64
CompareStringW
FindFirstFileW
FindNextFileW
FindClose
GetVolumePathNamesForVolumeNameW
WaitForSingleObject
WritePrivateProfileStringW
GetPrivateProfileStringW
GetFileInformationByHandle
SetFirmwareEnvironmentVariableW
LoadLibraryExW
FreeLibrary
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetFirmwareEnvironmentVariableW
GetModuleHandleExW
GetHandleInformation
GetEnvironmentVariableW
GetOverlappedResult
EnterCriticalSection
LeaveCriticalSection
LocalFree
VirtualQuery
GetSystemInfo
SetThreadIdealProcessor
GetCurrentThread
LoadLibraryExA
SetFilePointer
InitializeCriticalSection
HeapReAlloc
SetFileInformationByHandle
GetVolumeInformationW
GetFinalPathNameByHandleW
CreateEventW
InitializeCriticalSectionAndSpinCount
LockFileEx
UnlockFileEx
LocalAlloc
GetModuleFileNameW
FormatMessageW
ReleaseMutex
WideCharToMultiByte
OpenProcess
DuplicateHandle
GetPrivateProfileSectionW
WaitForMultipleObjects
ReleaseSemaphore
SetEvent
CreateSemaphoreW
CreateThread
GetVolumeInformationByHandleW
GlobalMemoryStatusEx
WaitForMultipleObjectsEx
ResetEvent
CreateSemaphoreExW
DosDateTimeToFileTime
LocalFileTimeToFileTime
SetFileTime
LoadLibraryW
CreateProcessW
GetExitCodeProcess
SetVolumeMountPointW
WakeAllConditionVariable
SetThreadpoolTimer
OpenSemaphoreW
WaitForSingleObjectEx
AcquireSRWLockExclusive
CloseThreadpoolTimer
OutputDebugStringW
ReleaseSRWLockExclusive
WaitForThreadpoolTimerCallbacks
InitializeCriticalSectionEx
SetFilePointerEx
GetModuleFileNameA
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
Sleep
TlsFree
TlsSetValue
TlsAlloc
SleepConditionVariableSRW
RaiseException
DeleteCriticalSection
VirtualFree
CopyFileExW
VirtualAlloc

bcrypt

BCryptGetProperty
BCryptHashData
BCryptFinishHash
BCryptDestroyHash
BCryptCloseAlgorithmProvider
BCryptOpenAlgorithmProvider
BCryptCreateHash

cabinet

ord20
ord22
ord23

ntdll

ZwClose
RtlAppendUnicodeToString
ZwQueryAttributesFile
RtlLengthSecurityDescriptor
RtlSetOwnerSecurityDescriptor
RtlSetDaclSecurityDescriptor
ZwCreateKey
ZwLoadKey
RtlAddAccessAllowedAceEx
RtlAllocateAndInitializeSid
RtlLengthSid
ZwDeleteValueKey
RtlFreeSid
ZwDeleteKey
ZwEnumerateKey
ZwQueryValueKey
RtlCreateAcl
ZwSetSecurityObject
ZwUnloadKey
RtlCreateSecurityDescriptor
ZwSetValueKey
ZwOpenKey
ZwAllocateUuids
LdrGetProcedureAddress
LdrGetDllHandle
ZwQueryInformationProcess
RtlInitAnsiString
ZwQueryInformationFile
ZwOpenProcess
ZwQuerySymbolicLinkObject
ZwDeviceIoControlFile
ZwQueryDirectoryObject
ZwOpenSymbolicLinkObject
RtlGetVersion
ZwOpenDirectoryObject
ZwOpenMutant
NtOpenProcessTokenEx
NtSetInformationThread
NtOpenThreadTokenEx
NtOpenSymbolicLinkObject
NtOpenKey
NtQuerySymbolicLinkObject
NtDeviceIoControlFile
NtQueryValueKey
NtQueryBootEntryOrder
NtQueryBootOptions
NtTranslateFilePath
NtOpenDirectoryObject
NtQueryDirectoryObject
NtEnumerateBootEntries
RtlCompareMemory
NtYieldExecution
ZwReleaseMutant
ZwQueryKey
ZwWaitForSingleObject
RtlStringFromGUID
RtlFreeUnicodeString
ZwQuerySystemInformation
NtQuerySystemInformation
NtAdjustPrivilegesToken
RtlNtStatusToDosError
RtlGUIDFromString
RtlRaiseStatus
NtClose
RtlInitUnicodeString
RtlAdjustPrivilege
RtlFreeHeap
RtlGetLastNtStatus
RtlSetControlSecurityDescriptor
RtlFindAceByType
NtSetSecurityObject
RtlDosPathNameToNtPathName_U
NtOpenFile
RtlAllocateHeap
RtlReAllocateHeap
DbgPrintEx
RtlDeleteResource
RtlReleaseResource
RtlAcquireResourceShared
RtlAcquireResourceExclusive
RtlInitializeResource
RtlImpersonateSelf
NtSetEaFile
NtCreateFile
NtSetInformationFile
NtQueryInformationProcess
NtQueryVolumeInformationFile
NtQueryInformationFile
ZwOpenFile

advapi32

OpenEncryptedFileRawW
OpenThreadToken
GetAclInformation
GetSecurityDescriptorLength
GetSecurityDescriptorControl
GetSecurityDescriptorSacl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
RegEnumValueW
EventWriteTransfer
EventUnregister
EventRegister
ConvertStringSecurityDescriptorToSecurityDescriptorW
FreeSid
SetNamedSecurityInfoW
AddAccessAllowedAceEx
InitializeAcl
GetLengthSid
AllocateAndInitializeSid
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
RegDeleteKeyW
RegCreateKeyExW
InitiateSystemShutdownExW
RegUnLoadKeyW
RegLoadKeyW
RegSetValueExW
CryptReleaseContext
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptCreateHash
CryptAcquireContextW
RegGetValueW
RegDeleteValueW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
RegDeleteTreeW
DuplicateTokenEx
SetThreadToken
EventWrite
RegDeleteKeyExW
TraceMessage
RevertToSelf
CloseEncryptedFileRaw
WriteEncryptedFileRaw

user32

LoadStringW
CharUpperW

imagehlp

ImageNtHeader

ole32

CoInitializeEx
CoCreateInstance
CoUninitialize
StringFromCLSID
CLSIDFromString
CoCreateGuid
CoInitialize
CoTaskMemFree

oleaut32

VariantClear
SysAllocString
SysFreeString
VariantInit

rpcrt4

UuidCompare
UuidCreate
UuidToStringW
RpcStringFreeW

Exports

Exports

WinRECheckGuid
WinREUseNewPBRImage
WinRE_Generalize
WinRE_Specialize
WinRE_Specialize_Offline
WinReAddTrustedBootApp
WinReClearBootApp
WinReClearError
WinReClearOemImagePath
WinReConfigureTask
WinReCopyDiagnosticFiles
WinReCopyLogFilesToRamdisk
WinReCreateLogInstance
WinReCreateLogInstanceEx
WinReDeleteLogFiles
WinReGetConfig
WinReGetCustomization
WinReGetError
WinReGetLogDirPath
WinReGetTrustedBootApps
WinReGetWIMInfo
WinReHashBootApp
WinReHashWimFile
WinReInitiateOfflineScanning
WinReInstall
WinReInstallOnTargetOS
WinReIsInstalledOnSystemPartition
WinReIsWimBootEnabled
WinReIsWinPE
WinReOobeInstall
WinReOpenLogInstance
WinRePostBCDRepair
WinReQueueRecoveryBoot
WinReReinstall
WinReRemoveTrustedBootApp
WinReRepair
WinReRestoreConfigAfterPBR
WinReRestoreLogFiles
WinReSetBootApp
WinReSetConfig
WinReSetCustomization
WinReSetError
WinReSetNarratorScheduled
WinReSetRecoveryAction
WinReSetTriggerFile
WinReSetupBackupWinRE
WinReSetupCheckWinRE
WinReSetupInstall
WinReSetupMigrateData
WinReSetupRemoveWinRE
WinReSetupRestoreWinREEx
WinReSetupSetImage
WinReUnInstall
WinReUpdateLogInstance
WinReValidateRecoveryWim
WinReValidateWimFile
winreFindInstallMedia
winreGetBinaryArch

Sections

.text
Size: 843KB - Virtual size: 842KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 72B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

39335258153f59c2457089bc9a96f785

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

17:c0:ad:80:0e:08:90:66:9b:62:0f:01:0f:c6:7b:d5:fa:30:4d:4b:b0:a2:41:96:44:8f:70:e2:c8:c7:d4:adSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

bcrypt

cabinet

ntdll

advapi32

user32

imagehlp

ole32

oleaut32

rpcrt4

Exports

Exports

Sections

.text Size: 843KB - Virtual size: 842KB

.data Size: 12KB - Virtual size: 16KB

.idata Size: 10KB - Virtual size: 10KB

.didat Size: 512B - Virtual size: 72B

.rsrc Size: 15KB - Virtual size: 14KB

.reloc Size: 31KB - Virtual size: 31KB

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

17:c0:ad:80:0e:08:90:66:9b:62:0f:01:0f:c6:7b:d5:fa:30:4d:4b:b0:a2:41:96:44:8f:70:e2:c8:c7:d4:ad
Signer

.text
Size: 843KB - Virtual size: 842KB

.data
Size: 12KB - Virtual size: 16KB

.idata
Size: 10KB - Virtual size: 10KB

.didat
Size: 512B - Virtual size: 72B

.rsrc
Size: 15KB - Virtual size: 14KB

.reloc
Size: 31KB - Virtual size: 31KB