Windows
Analysis Report
explorer.exe
Overview
General Information
Detection
Score: | 80 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
- System is w10x64
- explorer.exe (PID: 3212 cmdline:
"C:\Users\ user\Deskt op\explore r.exe" MD5: 84F08C4724802E588DF239588FBC581E) - conhost.exe (PID: 6152 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
System Summary |
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Source: | Author: Florian Roth (Nextron Systems), Patrick Bareiss, Anton Kutepov, oscd.community, Nasreddine Bencherchali: |
Source: | Author: Tim Rauch: |
Click to jump to signature section
AV Detection |
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Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
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System Summary |
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Source: | Classification label: |
Source: | Mutant created: |
Source: | Process created: |
Source: | Key opened: | Jump to behavior |
Source: | ReversingLabs: | ||
Source: | Virustotal: |
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Source: | Process created: | ||
Source: | Process created: |
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior |
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Malware Analysis System Evasion |
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Source: | System information queried: | Jump to behavior |
Source: | File opened: | Jump to behavior |
Source: | Registry key queried: | Jump to behavior | ||
Source: | Registry key queried: | Jump to behavior | ||
Source: | Registry key queried: | Jump to behavior |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | System information queried: | Jump to behavior |
Anti Debugging |
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Source: | Thread information set: | Jump to behavior |
Source: | Open window title or class name: | ||
Source: | Open window title or class name: | ||
Source: | Open window title or class name: | ||
Source: | Open window title or class name: | ||
Source: | Open window title or class name: | ||
Source: | Open window title or class name: |
Source: | Process queried: | Jump to behavior | ||
Source: | Process queried: | Jump to behavior | ||
Source: | Process queried: | Jump to behavior |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
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 | 2 Command and Scripting Interpreter | 1 DLL Side-Loading | 1 Process Injection | 32 Virtualization/Sandbox Evasion | OS Credential Dumping | 42 Security Software 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 | 2 Software Packing | LSASS Memory | 32 Virtualization/Sandbox Evasion | 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 Process Injection | Security Account Manager | 2 System Information Discovery | 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 |
---|---|---|---|---|
24% | ReversingLabs | Win64.Trojan.Midie | ||
36% | Virustotal | Browse | ||
100% | Joe Sandbox ML |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false | unknown | |||
false | unknown | |||
false | unknown |
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1545839 |
Start date and time: | 2024-10-31 06:45:10 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 45s |
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: | 15 |
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: | explorer.exe |
Detection: | MAL |
Classification: | mal80.evad.winEXE@2/1@0/0 |
EGA Information: | Failed |
HCA Information: | Failed |
Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): MpCmdRun.exe, dllhost.exe, WMIADAP.exe, SIHClient.exe, SgrmBroker.exe, conhost.exe, svchost.exe
- Excluded domains from analysis (whitelisted): otelrules.azureedge.net, slscr.update.microsoft.com, ctldl.windowsupdate.com, time.windows.com, fe3cr.delivery.mp.microsoft.com
- Execution Graph export aborted for target explorer.exe, PID 3212 because there are no executed function
- Not all processes where analyzed, report is missing behavior information
Process: | C:\Users\user\Desktop\explorer.exe |
File Type: | |
Category: | dropped |
Size (bytes): | 87 |
Entropy (8bit): | 4.544385703583498 |
Encrypted: | false |
SSDEEP: | 3:V2MQrfdA+WFKBWRT5jAu0naRRm5BHIyn:VgfCpQgRT5jAucSRmfHIy |
MD5: | F1AFE26AB49A3ADE4F3218514D08718D |
SHA1: | F0FC952BAC0BCD1B647BA3B244A93E8CABC7728F |
SHA-256: | CBD1FA85E5894E7C32EFD9EC12F10CC5F2B13D368DEAB746BEFD22FD8743CC41 |
SHA-512: | 6D5EA5B72296F24D4537A6155B12C7E12C3E9E14B39E2A00C234703AD10DD49B2C9208AB8BC71D29604F68D1952D4EB5D616FC37D1AB38E3718A8F5CD3C31EFC |
Malicious: | false |
Reputation: | low |
Preview: |
File type: | |
Entropy (8bit): | 7.960402204181333 |
TrID: |
|
File name: | explorer.exe |
File size: | 3'764'752 bytes |
MD5: | 84f08c4724802e588df239588fbc581e |
SHA1: | d395076b44e7963e8fbd481e6b10c081dcafa100 |
SHA256: | 5b982c482fee7d7342358aec9e8586ffe3034f58975813f357059a3e9c459b45 |
SHA512: | c7b0b305fa0ac344d874da1eeff78d9f527bbee9df9fd1eb1ffe70dba8ed60f9f7e656c3a24bcca2113272e245699f111b34ad59e21bd8af8cd0b80f1de5d015 |
SSDEEP: | 98304:datHvRmC9BU9AJ49q7C8NbB0Jur0UZRqPPncGn8f5X/Iwv+j:duvcC3U9AJ49q7luS0UZccGnovIbj |
TLSH: | A506331F8977E050CB26AB3D30615D5E827ADBA5B4CDC0B4773D0E8B8B6BF29144258E |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.........G6..)e..)e..)elR*d..)elR-d..)elR,d..)e...e..)e..(d..)e..(ef.)e.U d..)e.U+d..)eRich..)e........................PE..d......f... |
Icon Hash: | 11f07959b9b5b48d |
Entrypoint: | 0x14060a058 |
Entrypoint Section: | .boot |
Digitally signed: | false |
Imagebase: | 0x140000000 |
Subsystem: | windows cui |
Image File Characteristics: | EXECUTABLE_IMAGE, LARGE_ADDRESS_AWARE |
DLL Characteristics: | HIGH_ENTROPY_VA, GUARD_CF, TERMINAL_SERVER_AWARE |
Time Stamp: | 0x66960000 [Tue Jul 16 05:07:12 2024 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 6 |
OS Version Minor: | 0 |
File Version Major: | 6 |
File Version Minor: | 0 |
Subsystem Version Major: | 6 |
Subsystem Version Minor: | 0 |
Import Hash: | a3d2af0553fccfa1357c139de1ffc57f |
Instruction |
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call 00007F5471293607h |
inc ecx |
push edx |
dec ecx |
mov edx, esp |
inc ecx |
push edx |
dec ecx |
mov esi, dword ptr [edx+10h] |
dec ecx |
mov edi, dword ptr [edx+20h] |
cld |
mov dl, 80h |
mov al, byte ptr [esi] |
dec eax |
inc esi |
mov byte ptr [edi], al |
dec eax |
inc edi |
mov ebx, 00000002h |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
jnc 00007F5471293466h |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
jnc 00007F54712934E0h |
xor eax, eax |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
jnc 00007F5471293588h |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
adc eax, eax |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
adc eax, eax |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
adc eax, eax |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
adc eax, eax |
je 00007F547129348Bh |
push edi |
mov eax, eax |
dec eax |
sub edi, eax |
mov al, byte ptr [edi] |
pop edi |
mov byte ptr [edi], al |
dec eax |
inc edi |
mov ebx, 00000002h |
jmp 00007F547129340Ah |
mov eax, 00000001h |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
adc eax, eax |
add dl, dl |
jne 00007F5471293489h |
mov dl, byte ptr [esi] |
dec eax |
inc esi |
adc dl, dl |
jc 00007F5471293468h |
sub eax, ebx |
mov ebx, 00000001h |
jne 00007F54712934B0h |
mov ecx, 00000001h |
Programming Language: |
|
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x291f6 | 0x1cc | .idata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x2b000 | 0x2094 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x6040a4 | 0x1374 | .themida |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x98d000 | 0x10 | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x2a020 | 0x28 | .tls |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x0 | 0x0 | |
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 |
---|---|---|---|---|---|---|---|---|---|
0x1000 | 0x1596c | 0xb800 | 60437afb15ba8b47a34305063191a24a | False | 0.9907014266304348 | data | 7.9595214294322725 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | |
0x17000 | 0x9686 | 0x3600 | 7df381ec5138f22214c955103916c688 | False | 0.9778645833333334 | data | 7.897034117340724 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | |
0x21000 | 0x18a8 | 0x200 | d4b425b0710414519ef299d6e942f181 | False | 0.94140625 | data | 7.025875138400602 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | |
0x23000 | 0x135c | 0xc00 | e6f2dccd03a9a4c0f70eed7837c1f7f4 | False | 0.8961588541666666 | data | 7.303643648329541 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | |
0x25000 | 0x328 | 0x400 | eb6c6f78e93889f80c32df4be4598d77 | False | 0.6728515625 | data | 5.9848730664574825 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | |
0x26000 | 0x2090 | 0x1e00 | e1a45e3ec4c6ccdd5c8aa6b89add2843 | False | 1.0001302083333334 | Clarion Developer (v2 and above) help data | 7.935225703432687 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | |
.idata | 0x29000 | 0x1000 | 0x400 | 2d64f4e0a0db46d4d391c437e4795aea | False | 0.353515625 | data | 3.8267206040008275 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.tls | 0x2a000 | 0x1000 | 0x200 | e0165fde06e51cb40d6120f25581204f | False | 0.056640625 | data | 0.25792113835361985 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.rsrc | 0x2b000 | 0x2200 | 0x2200 | 7688b677b7b1fc77b3ce6a7026db9005 | False | 0.8455882352941176 | data | 7.354234129131056 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.themida | 0x2e000 | 0x5dc000 | 0x0 | d41d8cd98f00b204e9800998ecf8427e | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.boot | 0x60a000 | 0x382800 | 0x382800 | 5e073b72e9a39879215877f6e5319e03 | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.reloc | 0x98d000 | 0x1000 | 0x10 | 997ad2402a24f9cf1a16d5f49966f8d3 | False | 1.5 | GLS_BINARY_LSB_FIRST | 2.271782221599798 | IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
RT_ICON | 0x2b100 | 0x1aa3 | PNG image data, 256 x 256, 8-bit/color RGBA, non-interlaced | 0.9700835899692037 | ||
RT_GROUP_ICON | 0x2cbb4 | 0x14 | data | 1.05 | ||
RT_VERSION | 0x2cbd8 | 0x2bc | data | 0.44285714285714284 | ||
RT_MANIFEST | 0x2cea4 | 0x1ea | XML 1.0 document, Unicode text, UTF-8 (with BOM) text, with CRLF line terminators | English | United States | 0.5489795918367347 |
DLL | Import |
---|---|
kernel32.dll | GetModuleHandleA |
USER32.dll | MessageBoxW |
SHELL32.dll | ShellExecuteW |
ADVAPI32.dll | RegOpenKeyExW |
api-ms-win-crt-runtime-l1-1-0.dll | _invalid_parameter_noinfo_noreturn |
api-ms-win-crt-stdio-l1-1-0.dll | __acrt_iob_func |
api-ms-win-crt-heap-l1-1-0.dll | calloc |
api-ms-win-crt-string-l1-1-0.dll | toupper |
api-ms-win-crt-convert-l1-1-0.dll | wcstoul |
api-ms-win-crt-time-l1-1-0.dll | _gmtime64_s |
api-ms-win-crt-locale-l1-1-0.dll | setlocale |
api-ms-win-crt-math-l1-1-0.dll | __setusermatherr |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
English | United States |
Click to jump to process
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Target ID: | 0 |
Start time: | 01:46:02 |
Start date: | 31/10/2024 |
Path: | C:\Users\user\Desktop\explorer.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x140000000 |
File size: | 3'764'752 bytes |
MD5 hash: | 84F08C4724802E588DF239588FBC581E |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | low |
Has exited: | true |
Target ID: | 1 |
Start time: | 01:46:02 |
Start date: | 31/10/2024 |
Path: | C:\Windows\System32\conhost.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff75da10000 |
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 |