Windows
Analysis Report
encrypter-win32.rar
Overview
General Information
Detection
Score: | 2 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 60% |
Signatures
Classification
- System is w10x64
- unarchiver.exe (PID: 7312 cmdline:
"C:\Window s\SysWOW64 \unarchive r.exe" "C: \Users\use r\Desktop\ encrypter- win32.rar" MD5: 16FF3CC6CC330A08EED70CBC1D35F5D2) - 7za.exe (PID: 7336 cmdline:
"C:\Window s\System32 \7za.exe" x -pinfect ed -y -o"C :\Users\us er\AppData \Local\Tem p\tcbbx44c .cen" "C:\ Users\user \Desktop\e ncrypter-w in32.rar" MD5: 77E556CDFDC5C592F5C46DB4127C6F4C) - conhost.exe (PID: 7344 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
Timestamp: | 2024-07-27T13:16:34.801794+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49730 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-27T13:17:13.453775+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49736 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
There are no malicious signatures, click here to show all signatures.
Source: | File opened: | Jump to behavior |
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Source: | Thread sleep time: | Jump to behavior |
Source: | Code function: | 0_2_0126B1D6 |
Source: | Memory allocated: | Jump to behavior |
Source: | Process created: | Jump to behavior |
Source: | Key value queried: | 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 |
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Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 11 Process Injection | 2 Virtualization/Sandbox Evasion | OS Credential Dumping | 2 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 Disable or Modify Tools | LSASS Memory | 1 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) | 11 Process Injection | Security Account Manager | 3 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 |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Joe Sandbox version: | 40.0.0 Tourmaline |
Analysis ID: | 1483429 |
Start date and time: | 2024-07-27 13:15:26 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 5m 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 |
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: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Sample name: | encrypter-win32.rar |
Detection: | CLEAN |
Classification: | clean2.winRAR@4/1@0/0 |
EGA Information: |
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HCA Information: |
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Cookbook Comments: |
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- 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
- Not all processes where analyzed, report is missing behavior information
- Report size getting too big, too many NtQueryValueKey calls found.
Time | Type | Description |
---|---|---|
07:16:47 | API Interceptor |
Process: | C:\Windows\SysWOW64\unarchiver.exe |
File Type: | |
Category: | dropped |
Size (bytes): | 3675 |
Entropy (8bit): | 5.040021162080001 |
Encrypted: | false |
SSDEEP: | 48:1JnGBGbBGBGpPGXGBGp4+GbLGp+GUGZGe4G3SGrGaSGSGaGBGBGmyGBG0GBGmdI3:5Cz936FPK0 |
MD5: | 208DEAF4EFCF0A095489AE31C75D0B6D |
SHA1: | F1D894C12C9E29B9E32D9507CB6968DED8B1E47F |
SHA-256: | 796FD03A7058157D6020C07CEEDAFC938BAC698BDF80762F272DF9528C990F2B |
SHA-512: | 3694F2CE32C3EDB0C15E9C7BDE26202503FD30BD9C684AC108BA03ED0B65C4675660CEB12709090336D4E8B68AC0B32B5185F253DECCAA68312D451682455D59 |
Malicious: | false |
Reputation: | low |
Preview: |
File type: | |
Entropy (8bit): | 7.995877376396722 |
TrID: |
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File name: | encrypter-win32.rar |
File size: | 48'236 bytes |
MD5: | 32d7de2ac3582fa9e5f10ea9ded54beb |
SHA1: | ed7ec48acc8bf7b3f5e360c6bee876dc6fbfccbb |
SHA256: | 4dc4d6c8df24edc0d256a753c8a7068000ca05288a633325e9ac41fa31444483 |
SHA512: | 0fbca64a231c64b5b9ec3f0a46ed1d16963112612e3906750c1241ac618f7eecd1422becdd656fa42bbdb4a37b7e2d4f2a022b6943dbf369d05a38ad1ebd6e1c |
SSDEEP: | 768:Re4yrI5JCLQHrYaaeFTc6pdhO3STGlr3NyFE4swzUpkqinqH5Kwm+JvnSbXFqnCH:Rc8JC0Iqv1alr3QSwYViqH51m2SbwnCH |
TLSH: | EC23F1E54AFE5840D43C6F960C177D50428E33B653B7AE3EB5A0672D9068CD1CD2C2B5 |
File Content Preview: | Rar!......................LF.b..<....... ........encrypter-win32.exe0...........;.T2*. .(l!..iP.Y5/...'...&<|...x(`a.....wA.....Y..p.....Qd.+..H.,..=.NY...!Y;`*@.1....A..8.g.-..o".Fc._-...6}Su'mM9$..K0 ...V..<...;$....hk.....S#..<..O..vh.`Re..(...iY...... |
Icon Hash: | 90cececece8e8eb0 |
Click to jump to process
Click to jump to process
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Click to dive into process behavior distribution
Click to jump to process
Target ID: | 0 |
Start time: | 07:16:14 |
Start date: | 27/07/2024 |
Path: | C:\Windows\SysWOW64\unarchiver.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x950000 |
File size: | 12'800 bytes |
MD5 hash: | 16FF3CC6CC330A08EED70CBC1D35F5D2 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | false |
Target ID: | 1 |
Start time: | 07:16:14 |
Start date: | 27/07/2024 |
Path: | C:\Windows\SysWOW64\7za.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xf30000 |
File size: | 289'792 bytes |
MD5 hash: | 77E556CDFDC5C592F5C46DB4127C6F4C |
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: | 07:16:14 |
Start date: | 27/07/2024 |
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 |
Execution Graph
Execution Coverage: | 21.8% |
Dynamic/Decrypted Code Coverage: | 100% |
Signature Coverage: | 0% |
Total number of Nodes: | 73 |
Total number of Limit Nodes: | 4 |
Graph
Callgraph
Function 0126B1D6 Relevance: 1.5, APIs: 1, Instructions: 39COMMON
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Function 0126B246 Relevance: 1.6, APIs: 1, Instructions: 101COMMON
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Function 0126AD04 Relevance: 1.6, APIs: 1, Instructions: 96COMMON
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Function 0126AB76 Relevance: 1.6, APIs: 1, Instructions: 96pipeCOMMON
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Function 0126A5DC Relevance: 1.6, APIs: 1, Instructions: 90fileCOMMON
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Function 0126A120 Relevance: 1.6, APIs: 1, Instructions: 82fileCOMMON
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Function 0126AD2A Relevance: 1.6, APIs: 1, Instructions: 80COMMON
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Function 0126B276 Relevance: 1.6, APIs: 1, Instructions: 80COMMON
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Function 0126A850 Relevance: 1.6, APIs: 1, Instructions: 78COMMON
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Function 0126A933 Relevance: 1.6, APIs: 1, Instructions: 77fileCOMMON
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Function 0126A5FE Relevance: 1.6, APIs: 1, Instructions: 76fileCOMMON
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Function 0126A78F Relevance: 1.6, APIs: 1, Instructions: 73COMMON
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Function 0126AA0B Relevance: 1.6, APIs: 1, Instructions: 70COMMON
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Function 0126A6D4 Relevance: 1.6, APIs: 1, Instructions: 66COMMON
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Function 0126A962 Relevance: 1.6, APIs: 1, Instructions: 60fileCOMMON
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Function 0126A882 Relevance: 1.6, APIs: 1, Instructions: 59COMMON
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Function 0126A2AE Relevance: 1.6, APIs: 1, Instructions: 53COMMON
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Function 0126B1B4 Relevance: 1.6, APIs: 1, Instructions: 52COMMON
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Function 0126AF8B Relevance: 1.6, APIs: 1, Instructions: 52COMMON
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Function 0126AA46 Relevance: 1.6, APIs: 1, Instructions: 52COMMON
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Function 0126A7C2 Relevance: 1.6, APIs: 1, Instructions: 52COMMON
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Function 0126ABE6 Relevance: 1.5, APIs: 1, Instructions: 47pipeCOMMON
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Function 0126A172 Relevance: 1.5, APIs: 1, Instructions: 47fileCOMMON
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Function 0126A716 Relevance: 1.5, APIs: 1, Instructions: 43COMMON
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Function 0126AFB2 Relevance: 1.5, APIs: 1, Instructions: 39COMMON
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Function 0126A2DA Relevance: 1.5, APIs: 1, Instructions: 35COMMON
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Function 013702C0 Relevance: .3, Instructions: 285COMMON
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Function 01370799 Relevance: .3, Instructions: 284COMMON
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Function 01370C99 Relevance: .1, Instructions: 86COMMON
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Function 01370CA8 Relevance: .1, Instructions: 82COMMON
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Function 01370B8F Relevance: .1, Instructions: 65COMMON
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Function 01370BA0 Relevance: .1, Instructions: 60COMMON
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Function 014305E1 Relevance: .0, Instructions: 46COMMON
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Function 01370C50 Relevance: .0, Instructions: 27COMMON
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Function 01430606 Relevance: .0, Instructions: 27COMMON
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Function 01370C60 Relevance: .0, Instructions: 22COMMON
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Function 01370E08 Relevance: .0, Instructions: 20COMMON
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Function 01370DD1 Relevance: .0, Instructions: 18COMMON
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Function 012623F4 Relevance: .0, Instructions: 15COMMON
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Function 012623BC Relevance: .0, Instructions: 14COMMON
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Function 01370E18 Relevance: .0, Instructions: 12COMMON
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Function 01370DE0 Relevance: .0, Instructions: 12COMMON
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