Windows
Analysis Report
rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.dll
Overview
General Information
Sample name: | rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.dll (renamed file extension from com to dll) |
Original sample name: | rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.com |
Analysis ID: | 1543717 |
MD5: | c0aa0d26ea9c57aecb490ba6cd93fa8f |
SHA1: | dd2bd2a21665a4d5f5c8d9d46e1773c17f925130 |
SHA256: | a78722c27a0a6b84c0e6c6f03b838514460af870833e2cf343538bcd17804fe5 |
Infos: |
Detection
Score: | 56 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
- System is w10x64
- loaddll32.exe (PID: 6948 cmdline:
loaddll32. exe "C:\Us ers\user\D esktop\rnx ijmmczrsxa vguremdpee qkyqdtlras gollujkwkp c.dll" MD5: 51E6071F9CBA48E79F10C84515AAE618) - conhost.exe (PID: 5812 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 1480 cmdline:
cmd.exe /C rundll32. exe "C:\Us ers\user\D esktop\rnx ijmmczrsxa vguremdpee qkyqdtlras gollujkwkp c.dll",#1 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - rundll32.exe (PID: 3228 cmdline:
rundll32.e xe "C:\Use rs\user\De sktop\rnxi jmmczrsxav guremdpeeq kyqdtlrasg ollujkwkpc .dll",#1 MD5: 889B99C52A60DD49227C5E485A016679) - rundll32.exe (PID: 7128 cmdline:
rundll32.e xe C:\User s\user\Des ktop\rnxij mmczrsxavg uremdpeeqk yqdtlrasgo llujkwkpc. dll,azsmqf epjdouodor MD5: 889B99C52A60DD49227C5E485A016679) - rundll32.exe (PID: 2788 cmdline:
rundll32.e xe "C:\Use rs\user\De sktop\rnxi jmmczrsxav guremdpeeq kyqdtlrasg ollujkwkpc .dll",azsm qfepjdouod or MD5: 889B99C52A60DD49227C5E485A016679)
- cleanup
Click to jump to signature section
AV Detection |
---|
Source: | Avira: |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Classification label: |
Source: | Mutant created: |
Source: | Static PE information: |
Source: | Key opened: | Jump to behavior |
Source: | Process created: |
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | Jump to behavior | ||
Source: | Process created: | Jump to behavior | ||
Source: | Process created: | Jump to behavior | ||
Source: | Process created: | Jump to behavior |
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior |
Source: | Static file information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Last function: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Process created: | Jump to behavior |
Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 11 Process Injection | 1 Rundll32 | OS Credential Dumping | 1 System Information Discovery | Remote Services | Data from Local System | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | 1 DLL Side-Loading | 11 Process Injection | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | 1 DLL Side-Loading | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
100% | Avira | WORM/Lodbak.Gen | ||
100% | Joe Sandbox ML |
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1543717 |
Start date and time: | 2024-10-28 09:53:51 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 2m 48s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
Number of analysed new started processes analysed: | 7 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
|
Analysis Mode: | default |
Analysis stop reason: | Timeout |
Sample name: | rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.dll (renamed file extension from com to dll) |
Original Sample Name: | rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.com |
Detection: | MAL |
Classification: | mal56.winDLL@10/0@0/0 |
Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): dllhost.exe
- Not all processes where analyzed, report is missing behavior information
- VT rate limit hit for: rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.dll
File type: | |
Entropy (8bit): | 5.8074300356781965 |
TrID: |
|
File name: | rnxijmmczrsxavguremdpeeqkyqdtlrasgollujkwkpc.dll |
File size: | 21'284'864 bytes |
MD5: | c0aa0d26ea9c57aecb490ba6cd93fa8f |
SHA1: | dd2bd2a21665a4d5f5c8d9d46e1773c17f925130 |
SHA256: | a78722c27a0a6b84c0e6c6f03b838514460af870833e2cf343538bcd17804fe5 |
SHA512: | cc2bbba63c981aded1d267ae2fb83df149e50c4e33c85013adff5900c85ac6b4a0a9ab435246c5081644b133a689ef9ac97f7a32a9be9d2cabb047cf9d9e5404 |
SSDEEP: | 196608:YkRpm3o2Y2hE2kpQ1jif19s8NVyVQaD51eAtH9LeY1ul0tmyD/YGZHuspPy5HXHb:bhlX2icuf1uiVGDTyYbv/YSOZBKX4OI |
TLSH: | 64279A4562BF60B3FB71FB6B5AF7A847CB5E72A6F50BAA9F1110C28C54D45008C4B839 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........ A-.A/~.A/~.A/~.7.~.A/~.7.~.A/~.7.~.A/~.9.~.A/~.A.~.A/~...~.A/~.7.~.A/~.7.~.A/~.7.~.A/~.7.~.A/~Rich.A/~................PE..L.. |
Icon Hash: | 92aaa2aaa2aa6222 |
Entrypoint: | 0x100055fe |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x10000000 |
Subsystem: | windows gui |
Image File Characteristics: | EXECUTABLE_IMAGE, 32BIT_MACHINE, DLL |
DLL Characteristics: | DYNAMIC_BASE, NX_COMPAT |
Time Stamp: | 0x55749F20 [Sun Jun 7 19:44:32 2015 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 5 |
OS Version Minor: | 1 |
File Version Major: | 5 |
File Version Minor: | 1 |
Subsystem Version Major: | 5 |
Subsystem Version Minor: | 1 |
Import Hash: | 73b6fd9cb7ce4fe7cff2ad5991ca0b27 |
Instruction |
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mov edi, edi |
push ebp |
mov ebp, esp |
cmp dword ptr [ebp+0Ch], 01h |
jne 00007FD1F46BB417h |
call 00007FD1F46BCBD0h |
push dword ptr [ebp+08h] |
mov ecx, dword ptr [ebp+10h] |
mov edx, dword ptr [ebp+0Ch] |
call 00007FD1F46BB301h |
pop ecx |
pop ebp |
retn 000Ch |
mov edi, edi |
push ebp |
mov ebp, esp |
sub esp, 00000328h |
mov dword ptr [1000DCF0h], eax |
mov dword ptr [1000DCECh], ecx |
mov dword ptr [1000DCE8h], edx |
mov dword ptr [1000DCE4h], ebx |
mov dword ptr [1000DCE0h], esi |
mov dword ptr [1000DCDCh], edi |
mov word ptr [1000DD08h], ss |
mov word ptr [1000DCFCh], cs |
mov word ptr [1000DCD8h], ds |
mov word ptr [1000DCD4h], es |
mov word ptr [1000DCD0h], fs |
mov word ptr [1000DCCCh], gs |
pushfd |
pop dword ptr [1000DD00h] |
mov eax, dword ptr [ebp+00h] |
mov dword ptr [1000DCF4h], eax |
mov eax, dword ptr [ebp+04h] |
mov dword ptr [1000DCF8h], eax |
lea eax, dword ptr [ebp+08h] |
mov dword ptr [1000DD04h], eax |
mov eax, dword ptr [ebp-00000320h] |
mov dword ptr [1000DC40h], 00010001h |
mov eax, dword ptr [1000DCF8h] |
mov dword ptr [1000DBF4h], eax |
mov dword ptr [1000DBE8h], C0000409h |
mov dword ptr [1000DBECh], 00000001h |
Programming Language: |
|
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0xc890 | 0x55 | .rdata |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0xc324 | 0x28 | .rdata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0xf000 | 0x6e8 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x10000 | 0xfe4 | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0xa000 | 0xf0 | .rdata |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|---|
.text | 0x1000 | 0x8d06 | 0x8e00 | c38bdb11aacdd6ce4855538603e505b5 | False | 0.595703125 | data | 6.367689948864467 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rdata | 0xa000 | 0x28e5 | 0x2a00 | 9a41f3796f5b9d70562fca33ac02dc05 | False | 0.33603050595238093 | data | 4.864727491085218 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.data | 0xd000 | 0x1adc | 0xc00 | d42c5a51f17a7f428151ef418e61ca15 | False | 0.23893229166666666 | data | 2.6830421390528616 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.rsrc | 0xf000 | 0x6e8 | 0x800 | 501dcb7c4f3208ebbce14b8d57204701 | False | 0.216796875 | data | 2.673963438473937 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x10000 | 0x1870 | 0x1a00 | f14f0bab05b2949e1da807e27863c7dc | False | 0.5208834134615384 | data | 4.988463136766936 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
.rsrc | 0x12000 | 0x143dc20 | 0x143de00 | a960da7ce64b253e35929860f03da820 | unknown | unknown | unknown | unknown | IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
RT_CURSOR | 0xf160 | 0x134 | Targa image data - Map 64 x 65536 x 1 +32 "\001" | English | United States | 0.39285714285714285 |
RT_ICON | 0xf2b0 | 0x128 | Device independent bitmap graphic, 16 x 32 x 4, image size 128, 16 important colors | English | United States | 0.3581081081081081 |
RT_ICON | 0xf3d8 | 0x2e8 | Device independent bitmap graphic, 32 x 64 x 4, image size 512, 16 important colors | English | United States | 0.2056451612903226 |
RT_GROUP_CURSOR | 0xf298 | 0x14 | Lotus unknown worksheet or configuration, revision 0x1 | English | United States | 1.25 |
RT_GROUP_ICON | 0xf6c0 | 0x22 | data | English | United States | 1.0294117647058822 |
DLL | Import |
---|---|
KERNEL32.dll | HeapCreate, HeapAlloc, lstrlenA, HeapFree, Sleep, LoadLibraryA, GetProcAddress, GetModuleFileNameA, VirtualAlloc, CloseHandle, CreateThread, GetCurrentThreadId, GetCommandLineA, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, RaiseException, TlsAlloc, TlsGetValue, TlsSetValue, TlsFree, InterlockedIncrement, GetModuleHandleW, SetLastError, GetLastError, InterlockedDecrement, ExitProcess, SetHandleCount, GetStdHandle, InitializeCriticalSectionAndSpinCount, GetFileType, GetStartupInfoW, DeleteCriticalSection, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStringsW, HeapDestroy, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, HeapSize, WriteFile, GetModuleFileNameW, LeaveCriticalSection, EnterCriticalSection, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, HeapReAlloc, LoadLibraryW, RtlUnwind, LCMapStringW, MultiByteToWideChar, GetStringTypeW, IsProcessorFeaturePresent |
Name | Ordinal | Address |
---|---|---|
azsmqfepjdouodor | 1 | 0x10002600 |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
English | United States |
Click to jump to process
Click to jump to process
Click to jump to process
Target ID: | 0 |
Start time: | 04:54:42 |
Start date: | 28/10/2024 |
Path: | C:\Windows\System32\loaddll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x790000 |
File size: | 126'464 bytes |
MD5 hash: | 51E6071F9CBA48E79F10C84515AAE618 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |
Target ID: | 1 |
Start time: | 04:54:42 |
Start date: | 28/10/2024 |
Path: | C:\Windows\System32\conhost.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff6d64d0000 |
File size: | 862'208 bytes |
MD5 hash: | 0D698AF330FD17BEE3BF90011D49251D |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |
Target ID: | 2 |
Start time: | 04:54:42 |
Start date: | 28/10/2024 |
Path: | C:\Windows\SysWOW64\cmd.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x790000 |
File size: | 236'544 bytes |
MD5 hash: | D0FCE3AFA6AA1D58CE9FA336CC2B675B |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |
Target ID: | 3 |
Start time: | 04:54:42 |
Start date: | 28/10/2024 |
Path: | C:\Windows\SysWOW64\rundll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xc30000 |
File size: | 61'440 bytes |
MD5 hash: | 889B99C52A60DD49227C5E485A016679 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |
Target ID: | 4 |
Start time: | 04:54:42 |
Start date: | 28/10/2024 |
Path: | C:\Windows\SysWOW64\rundll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xc30000 |
File size: | 61'440 bytes |
MD5 hash: | 889B99C52A60DD49227C5E485A016679 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |
Target ID: | 6 |
Start time: | 04:54:45 |
Start date: | 28/10/2024 |
Path: | C:\Windows\SysWOW64\rundll32.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0xc30000 |
File size: | 61'440 bytes |
MD5 hash: | 889B99C52A60DD49227C5E485A016679 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |