| File name: | SKM-443363568GH.xlsx |
| Full analysis: | https://app.any.run/tasks/f74dcbfe-5e92-439c-83c0-a849593f7f5e |
| Verdict: | Malicious activity |
| Analysis date: | February 11, 2019, 01:56:19 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| File info: | Microsoft Excel 2007+ |
| MD5: | 02191E6D4968C719C98DA3DAF8DB2E10 |
| SHA1: | 0391E10AD2D9100E4DC1C1AEA11D4CEF5CB23013 |
| SHA256: | 55BB590198B2E74E6C4765F1080D42E396807AFCCDAF31BA21818A354DE995CA |
| SSDEEP: | 3072:pyXwnYxlSiGhCfxxisJtF07xlSviJgfSf6RCWT4uY/k:G4YSiuCfxosbF0DJgftCWcL/k |
MALICIOUS
Equation Editor starts application (CVE-2017-11882)
- EQNEDT32.EXE (PID: 2748)
Suspicious connection from the Equation Editor
- EQNEDT32.EXE (PID: 2748)
Uses Task Scheduler to run other applications
- apps.exe (PID: 2528)
- activeds.exe (PID: 2236)
Application was dropped or rewritten from another process
- apps.exe (PID: 2528)
- activeds.exe (PID: 2236)
- RegAsm.exe (PID: 3892)
- RegAsm.exe (PID: 3164)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 4024)
- schtasks.exe (PID: 2548)
Changes the autorun value in the registry
- RegAsm.exe (PID: 3892)
Actions looks like stealing of personal data
- RegAsm.exe (PID: 3892)
SUSPICIOUS
Creates files in the program directory
- EQNEDT32.EXE (PID: 2748)
Creates files in the user directory
- EQNEDT32.EXE (PID: 2748)
- apps.exe (PID: 2528)
- RegAsm.exe (PID: 3892)
Executable content was dropped or overwritten
- EQNEDT32.EXE (PID: 2748)
- apps.exe (PID: 2528)
- RegAsm.exe (PID: 3892)
Loads DLL from Mozilla Firefox
- RegAsm.exe (PID: 3892)
Connects to SMTP port
- RegAsm.exe (PID: 3892)
INFO
Reads Microsoft Office registry keys
- EXCEL.EXE (PID: 2948)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .xlsx | | | Excel Microsoft Office Open XML Format document (61.2) |
|---|---|---|
| .zip | | | Open Packaging Conventions container (31.5) |
| .zip | | | ZIP compressed archive (7.2) |
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | 0x0002 |
| ZipCompression: | Deflated |
| ZipModifyDate: | 2019:02:10 14:31:22 |
| ZipCRC: | 0x9e8d3e11 |
| ZipCompressedSize: | 405 |
| ZipUncompressedSize: | 1813 |
| ZipFileName: | [Content_Types].xml |
XMP
| Creator: | - |
|---|
XML
| LastModifiedBy: | - |
|---|---|
| CreateDate: | 2006:09:16 00:00:00Z |
| ModifyDate: | 2019:02:10 21:55:34Z |
| Application: | Microsoft Excel |
| DocSecurity: | None |
| ScaleCrop: | No |
| HeadingPairs: |
|
| TitlesOfParts: |
|
| Company: | - |
| LinksUpToDate: | No |
| SharedDoc: | No |
| HyperlinksChanged: | No |
| AppVersion: | 12 |
Total processes
42
Monitored processes
8
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2236 | C:\Users\admin\avicap32\activeds.exe | C:\Users\admin\avicap32\activeds.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2528 | "C:\ProgramData\apps.exe" | C:\ProgramData\apps.exe | EQNEDT32.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2548 | "C:\Windows\System32\schtasks.exe" /create /tn unregmp2 /tr "C:\Users\admin\avicap32\activeds.exe" /sc minute /mo 1 /F | C:\Windows\System32\schtasks.exe | — | activeds.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2748 | "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding | C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | svchost.exe | ||||||||||||
User: admin Company: Design Science, Inc. Integrity Level: MEDIUM Description: Microsoft Equation Editor Exit code: 0 Version: 00110900 Modules
| |||||||||||||||
| 2948 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 3164 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | — | activeds.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 4294967295 Version: 2.0.50727.5420 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 3892 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | apps.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 2.0.50727.5420 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 4024 | "C:\Windows\System32\schtasks.exe" /create /tn unregmp2 /tr "C:\Users\admin\avicap32\activeds.exe" /sc minute /mo 1 /F | C:\Windows\System32\schtasks.exe | — | apps.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
819
Read events
747
Write events
65
Delete events
7
Modification events
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems |
| Operation: | write | Name: | 96% |
Value: 39362500840B0000010000000000000000000000 | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel |
| Operation: | write | Name: | MTTT |
Value: 840B0000926A860AADC1D40100000000 | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems |
| Operation: | delete value | Name: | 96% |
Value: 39362500840B0000010000000000000000000000 | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems |
| Operation: | delete key | Name: | |
Value: | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency |
| Operation: | delete key | Name: | |
Value: | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2948) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2748) EQNEDT32.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109E60090400000000000F01FEC\Usage |
| Operation: | write | Name: | EquationEditorFilesIntl_1033 |
Value: 1313538051 | |||
Executable files
4
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2948 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR8EB9.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2748 | EQNEDT32.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\mebarth_Protected[1].exe | executable | |
MD5:— | SHA256:— | |||
| 2748 | EQNEDT32.EXE | C:\ProgramData\apps.exe | executable | |
MD5:— | SHA256:— | |||
| 2748 | EQNEDT32.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@discordapp[1].txt | text | |
MD5:— | SHA256:— | |||
| 2528 | apps.exe | C:\Users\admin\avicap32\activeds.exe | executable | |
MD5:— | SHA256:— | |||
| 3892 | RegAsm.exe | C:\Users\admin\AppData\Roaming\NewApp\NewApp.exe | executable | |
MD5:278EDBD499374BF73621F8C1F969D894 | SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
2
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2748 | EQNEDT32.EXE | 104.16.12.231:443 | cdn.discordapp.com | Cloudflare Inc | US | shared |
3892 | RegAsm.exe | 46.21.147.251:587 | mail.promarksvacc.com | Swiftway Sp. z o.o. | NL | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
cdn.discordapp.com |
| shared |
mail.promarksvacc.com |
| malicious |