Windows
Analysis Report
4eb9650.dll
Overview
General Information
Detection
Score: | 48 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
- System is w10x64
- loaddll32.exe (PID: 3916 cmdline:
loaddll32. exe "C:\Us ers\user\D esktop\4eb 9650.dll" MD5: 51E6071F9CBA48E79F10C84515AAE618) - conhost.exe (PID: 7008 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 4312 cmdline:
cmd.exe /C rundll32. exe "C:\Us ers\user\D esktop\4eb 9650.dll", #1 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - rundll32.exe (PID: 7064 cmdline:
rundll32.e xe "C:\Use rs\user\De sktop\4eb9 650.dll",# 1 MD5: 889B99C52A60DD49227C5E485A016679)
- cleanup
Click to jump to signature section
AV Detection |
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Source: | Virustotal: | Perma Link |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | Mutant created: |
Source: | Static PE information: |
Source: | Key opened: | Jump to behavior |
Source: | Process created: |
Source: | Virustotal: |
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: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Code function: | 3_2_00C4ECF7 | |
Source: | Code function: | 3_2_00C4CF2D |
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 delayed: | Jump to behavior |
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 Virtualization/Sandbox Evasion | 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 | 1 Virtualization/Sandbox Evasion | LSASS Memory | 1 System Information 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) | 11 Process Injection | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
Employee Names | Virtual Private Server | Local Accounts | Cron | Login Hook | Login Hook | 1 DLL Side-Loading | NTDS | System Network Configuration Discovery | Distributed Component Object Model | Input Capture | Protocol Impersonation | Traffic Duplication | Data Destruction |
Gather Victim Network Information | Server | Cloud Accounts | Launchd | Network Logon Script | Network Logon Script | 1 Obfuscated Files or Information | LSA Secrets | Internet Connection Discovery | SSH | Keylogging | Fallback Channels | Scheduled Transfer | Data Encrypted for Impact |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
3% | ReversingLabs | |||
10% | Virustotal | Browse |
Joe Sandbox version: | 40.0.0 Tourmaline |
Analysis ID: | 1432165 |
Start date and time: | 2024-04-26 16:07:38 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 55s |
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 |
Run name: | Run with higher sleep bypass |
Number of analysed new started processes analysed: | 8 |
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: | 4eb9650.dll |
Detection: | MAL |
Classification: | mal48.winDLL@6/0@0/0 |
EGA Information: | Failed |
HCA Information: |
|
Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): MpCmdRun.exe, WMIADAP.exe, SIHClient.exe, conhost.exe
- Excluded domains from analysis (whitelisted): ocsp.digicert.com, slscr.update.microsoft.com, ctldl.windowsupdate.com, fe3cr.delivery.mp.microsoft.com
- Execution Graph export aborted for target loaddll32.exe, PID 3916 because there are no executed function
- Execution Graph export aborted for target rundll32.exe, PID 7064 because there are no executed function
- Not all processes where analyzed, report is missing behavior information
File type: | |
Entropy (8bit): | 3.9118436144982005 |
TrID: |
|
File name: | 4eb9650.dll |
File size: | 698'800 bytes |
MD5: | 0113cac7a38778ccfae308d692a8f97e |
SHA1: | d717f77835cd470144495fc5417a2ba310f1cf02 |
SHA256: | 9c424b748b00bee01b053a341972d17ef1f340e875d8d12523f5a1cb4dad12ab |
SHA512: | 3ede1953a214d988ae0f04d6fcdad1556d1669b84f4b4156e9e8f4d75a746897d88335bfe1e9db798cad822adbe56cacee67e480cee91a36390800e58ceef1c0 |
SSDEEP: | 6144:lUQrMPWmMEUVUUUFGAUvAmJTQDxji1638VzterXJ5uFHdzeQdK:l7MPWUUVUUUWvftQDxjjizeQ8 |
TLSH: | 26E40C50E7E40705F6B30B31E8BA55425BB3FC5B9E32C74D318D12AE3A27B845993B62 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L......a...........!..................... ........@.. ....................................@................................ |
Icon Hash: | 7ae282899bbab082 |
Entrypoint: | 0x41e10e |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows cui |
Image File Characteristics: | EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, DLL |
DLL Characteristics: | DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE |
Time Stamp: | 0x610B9815 [Thu Aug 5 07:49:41 2021 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: |
Instruction |
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add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
and byte ptr [00000742h], dh |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
and al, ch |
fld qword ptr [edx] |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
sbb al, 9Bh |
xchg byte ptr [edi], al |
fcomp dword ptr [ebp-13h] |
add al, F4h |
pop eax |
in eax, dx |
add al, 00h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax+01078696h], dl |
add byte ptr [eax], al |
add byte ptr [eax+0004ED59h], dh |
add byte ptr [eax], al |
add byte ptr [ebx+ebp*8+42h], dl |
pop es |
hlt |
pop eax |
in eax, dx |
add al, 00h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], bl |
pop edx |
in eax, dx |
add al, D8h |
pop eax |
in eax, dx |
add al, 00h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add ah, al |
mov cl, 4Fh |
pop es |
sbb byte ptr [eax], al |
add byte ptr [eax], al |
xchg eax, esi |
add byte ptr [eax], al |
add byte ptr [00000000h], al |
add byte ptr [eax], al |
add byte ptr [ecx+eax-28h], cl |
add al, byte ptr [eax] |
add byte ptr [eax], al |
add byte ptr [eax+56h], ah |
in eax, dx |
add al, 60h |
push esi |
in eax, dx |
add al, 00h |
add byte ptr [eax], al |
add byte ptr [edx-6Dh], bl |
mov al, byte ptr [edi] |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add al, 00h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
dec esp |
add eax, ebx |
add al, byte ptr [edx+ebx*2-13h] |
add al, D8h |
pop eax |
in eax, dx |
add al, D8h |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x1e0c0 | 0x4b | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x20000 | 0x37c | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x22000 | 0xc | .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 | 0x2000 | 0x8 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x2008 | 0x48 | .text |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|---|
.text | 0x2000 | 0x1c114 | 0x1c200 | cbdd58117dbe41c1c39c9e1baf12d570 | False | 0.4052517361111111 | data | 5.115610352319862 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rsrc | 0x20000 | 0x37c | 0x400 | 7b2edfc1538d9e12e732e008cdcb220a | False | 0.326171875 | DOS executable (COM, 0x8C-variant) | 3.144798962144265 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x22000 | 0xc | 0x200 | b38cd4aa207bcdb1542e5480301a5a98 | False | 0.3828125 | data | 2.52641466836993 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
Click to jump to process
Click to jump to process
Click to jump to process
Target ID: | 0 |
Start time: | 16:08:25 |
Start date: | 26/04/2024 |
Path: | C:\Windows\System32\loaddll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xe00000 |
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: | 16:08:25 |
Start date: | 26/04/2024 |
Path: | C:\Windows\System32\conhost.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff7699e0000 |
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: | 16:08:26 |
Start date: | 26/04/2024 |
Path: | C:\Windows\SysWOW64\cmd.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x240000 |
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: | 16:08:26 |
Start date: | 26/04/2024 |
Path: | C:\Windows\SysWOW64\rundll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xce0000 |
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 |