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Windows
Analysis Report
coArchi_0.9.2.jar
Overview
General Information
| Sample name: | coArchi_0.9.2.jar (renamed file extension from archiplugin to jar) |
| Original sample name: | coArchi_0.9.2.archiplugin |
| Analysis ID: | 1431880 |
| MD5: | 450bf3db65911f6721509546072bbec8 |
| SHA1: | f698eb5461c06f4cc46ddd1192b9473af51e1e93 |
| SHA256: | 1153c9301b4ad1bfd60b300756bcf1e95f307525fbeb128228cccfd59301f81d |
| Infos: | |
 | |
Detection
| Score: | 1 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 80% |
Signatures
Creates a process in suspended mode (likely to inject code)
Sample execution stops while process was sleeping (likely an evasion)
Classification
- System is w10x64
cmd.exe (PID: 5720 cmdline: C:\Windows \system32\ cmd.exe /c ""C:\Prog ram Files (x86)\Java \jre-1.8\b in\java.ex e" -javaag ent:"C:\Us ers\user\A ppData\Loc al\Temp\ja rtracer.ja r" -jar "C :\Users\us er\Desktop \coArchi_0 .9.2.jar"" >> C:\cmd linestart. log 2>&1 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 2436 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
java.exe (PID: 5008 cmdline: "C:\Progra m Files (x 86)\Java\j re-1.8\bin \java.exe" -javaagen t:"C:\User s\user\App Data\Local \Temp\jart racer.jar" -jar "C:\ Users\user \Desktop\c oArchi_0.9 .2.jar" MD5: 9DAA53BAB2ECB33DC0D9CA51552701FA)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
There are no malicious signatures, click here to show all signatures.
| Source: | Classification label: | ||
| Source: | Mutant created: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| 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 file information: | ||
| Source: | Last function: | ||
| 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 | 11 Process Injection | 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 | 1 DLL Side-Loading | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
InternetThis section contains all screenshots as thumbnails, including those not shown in the slideshow.
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox version: | 40.0.0 Tourmaline |
| Analysis ID: | 1431880 |
| Start date and time: | 2024-04-25 22:37:32 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 1m 57s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | defaultwindowsfilecookbook.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: | 3 |
| 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: | coArchi_0.9.2.jar (renamed file extension from archiplugin to jar) |
| Original Sample Name: | coArchi_0.9.2.archiplugin |
| Detection: | CLEAN |
| Classification: | clean1.winJAR@4/1@0/0 |
| EGA Information: | Failed |
| HCA Information: |
|
| Cookbook Comments: |
|
- Not all processes where analyzed, report is missing behavior information
- VT rate limit hit for: coArchi_0.9.2.jar
⊘No simulations
| Process: | C:\Windows\SysWOW64\cmd.exe |
| File Type: | |
| Category: | modified |
| Size (bytes): | 77 |
| Entropy (8bit): | 4.706875710325361 |
| Encrypted: | false |
| SSDEEP: | 3:SXKPF/8KHVFoNUWJRWGKZPLcMi:SuF/7gNNJAGWg |
| MD5: | D961A98736E48EA0BA2486D9DCDDACA9 |
| SHA1: | FAB1449516B73886079AD2FD59D639D61B9F152B |
| SHA-256: | CCD6C7BB28762C01E474CC9B51D1BA67F8579E07F1B375F04A7A60373C959FC0 |
| SHA-512: | 666F3624A93FF60F749D3681F1B1AB350AFD90A71C74F0B3D266C14E619302C79B4AD6C5F3745E493CD7F61F295096C007B26E48A4D3032F9EF9A363917205F7 |
| Malicious: | false |
| Reputation: | low |
| Preview: |
| File type: | |
| Entropy (8bit): | 7.9996667393114675 |
| TrID: |
|
| File name: | coArchi_0.9.2.jar |
| File size: | 5'299'689 bytes |
| MD5: | 450bf3db65911f6721509546072bbec8 |
| SHA1: | f698eb5461c06f4cc46ddd1192b9473af51e1e93 |
| SHA256: | 1153c9301b4ad1bfd60b300756bcf1e95f307525fbeb128228cccfd59301f81d |
| SHA512: | d9d198dc32ce4001b6c1dd4ab9f2f9c411174e30f03860fde9b71b3fa50fc285c2943652fa7292a218de2206a69b187957c9521ce5061dffa54bf9e30ed9c955 |
| SSDEEP: | 98304:XIQXFUzXmEv7gWE0O3YW0kUsP8wt51TvlyBPyDCGdcTZgmzKFeLw9IkLq:XA2Ev7gJxYdsUmxvoBPybCwZ9Ik+ |
| TLSH: | 6C3633B9E6315A17CF4EE330628E0B476A170FA3869C9DBED308856F13DF5E05150AE6 |
| File Content Preview: | PK.........SrW#H!.k.......D...org.archicontribs.modelrepository.commandline_0.9.2.202311181027.jarUT.....Xe..Xeux..............yeP\[.m........]....-.5......\.....Ip......$X...y..^.......{W.....Xs..c....j......*.......2....................`=..1.p...<...+LY |
 | |
| Icon Hash: | d08c8e8ea2868a54 |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
Click to jump to process
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Click to jump to process
| Target ID: | 0 |
| Start time: | 22:38:17 |
| Start date: | 25/04/2024 |
| 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: | 1 |
| Start time: | 22:38:17 |
| Start date: | 25/04/2024 |
| 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: | 22:38:17 |
| Start date: | 25/04/2024 |
| Path: | C:\Program Files (x86)\Java\jre-1.8\bin\java.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0x650000 |
| File size: | 257'664 bytes |
| MD5 hash: | 9DAA53BAB2ECB33DC0D9CA51552701FA |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | moderate |
| Has exited: | true |
⊘No disassembly