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Windows
Analysis Report
Contact.xls
Overview
General Information
| Sample Name: | Contact.xls |
| Analysis ID: | 562530 |
| MD5: | fa8570c3fca7bd0ecc8b2afbc9a2a088 |
| SHA1: | 1e9a8f5de89b43a7cb81003f3106cabaaefc4769 |
| SHA256: | 0eb209a36a0f427cb97875cc2f0838077e5c3568c84782773a5bf2e101d7dc9a |
| Infos: |  |
 | |
Detection
| Score: | 48 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Yara signature match
Classification
- System is w7x64
EXCEL.EXE (PID: 1500 cmdline: "C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3)
- cleanup
⊘No configs have been found
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| INDICATOR_OLE_Excel4Macros_DL2 | Detects OLE Excel 4 Macros documents acting as downloaders | ditekSHen |
|
⊘No Sigma rule has matched
Click to jump to signature section
Show All Signature Results
| Source: | File opened: | Jump to behavior | ||
System Summary |   |
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| Source: | Matched rule: | ||
| Source: | Matched rule: | ||
| Source: | File read: | Jump to behavior | ||
| Source: | File created: | Jump to behavior | ||
| Source: | Classification label: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | File opened: | Jump to behavior | ||
| Source: | Process information set: | Jump to behavior | ||
| Source: | Process information set: | Jump to behavior | ||
| Source: | Process information set: | Jump to behavior | ||
| Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valid Accounts | Windows Management Instrumentation | Path Interception | Path Interception | Direct Volume Access | OS Credential Dumping | 1 File and Directory Discovery | Remote Services | Data from Local System | Exfiltration Over Other Network Medium | Data Obfuscation | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
| Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | 1 System Information Discovery | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
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.
| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 2% | Virustotal | Browse |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox Version: | 34.0.0 Boulder Opal |
| Analysis ID: | 562530 |
| Start date: | 29.01.2022 |
| Start time: | 00:49:59 |
| Joe Sandbox Product: | CloudBasic |
| Overall analysis duration: | 0h 3m 47s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Sample file name: | Contact.xls |
| Cookbook file name: | defaultwindowsofficecookbook.jbs |
| Analysis system description: | Windows 7 x64 SP1 with Office 2010 SP1 (IE 11, FF52, Chrome 57, Adobe Reader DC 15, Flash 25.0.0.127, Java 8 Update 121, .NET 4.6.2) |
| 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 |
| Detection: | MAL |
| Classification: | mal48.winXLS@1/0@0/0 |
| EGA Information: | Failed |
| HDC Information: | Failed |
| HCA Information: |
|
| Cookbook Comments: |
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- Exclude process from analysis (whitelisted): dllhost.exe, WMIADAP.exe
⊘No simulations
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 6.4919219658612315 |
| TrID: |
|
| File name: | Contact.xls |
| File size: | 52470 |
| MD5: | fa8570c3fca7bd0ecc8b2afbc9a2a088 |
| SHA1: | 1e9a8f5de89b43a7cb81003f3106cabaaefc4769 |
| SHA256: | 0eb209a36a0f427cb97875cc2f0838077e5c3568c84782773a5bf2e101d7dc9a |
| SHA512: | 4b560f493efb55f4496b4f47de8c6aed5e332ea65e78ac9e4944efa92f27e49b9516756b7cf67fae361c7013263126b9fdf1832de058d75714a8caceefdd5d33 |
| SSDEEP: | 1536:1I+Hymsbck3hbdlylKsgqopeJBWhZFGkE+cMLxAAISQ5gQ7X:1I+HymsYk3hbdlylKsgqopeJBWhZFGkU |
| File Content Preview: | ........................>...................................................................................................................................................................................................................................... |
 | |
| Icon Hash: | e4eea286a4b4bcb4 |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
| Target ID: | 0 |
| Start time: | 00:50:13 |
| Start date: | 29/01/2022 |
| Path: | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x13f660000 |
| File size: | 28253536 bytes |
| MD5 hash: | D53B85E21886D2AF9815C377537BCAC3 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
⊘No disassembly