| File name: | Calculation-809564679-10162020.zip |
| Full analysis: | https://app.any.run/tasks/86644e40-e20f-468f-b1d8-04d9e5b89aa2 |
| Verdict: | Malicious activity |
| Threats: | A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection. |
| Analysis date: | October 20, 2020, 00:45:50 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | A89A8F4D0C2BD5DF319160D43C4E07CF |
| SHA1: | 35E9E94B960AC1349B2B8B14804D01F486F26EE9 |
| SHA256: | 1219530E20422586D969C9A834EB017D737713F237FB6A07CA6D7CA346335C41 |
| SSDEEP: | 384:CtLWE2bcrv9HtuAbFi0c6CYdI/00CzY/4pUv68Y7RraqHMv:CtLWEOsHtlbF/2/00edpWPuHMv |
MALICIOUS
Unusual execution from Microsoft Office
- EXCEL.EXE (PID: 2484)
Executable content was dropped or overwritten
- EXCEL.EXE (PID: 2484)
Application was dropped or rewritten from another process
- nosto.exe (PID: 948)
- nosto.exe (PID: 1928)
- ytfovlym.exe (PID: 1972)
- ytfovlym.exe (PID: 1512)
QBOT was detected
- nosto.exe (PID: 948)
Runs PING.EXE for delay simulation
- cmd.exe (PID: 2548)
SUSPICIOUS
Starts Microsoft Office Application
- WinRAR.exe (PID: 2144)
Application launched itself
- nosto.exe (PID: 948)
- ytfovlym.exe (PID: 1972)
Creates files in the user directory
- nosto.exe (PID: 948)
Executable content was dropped or overwritten
- nosto.exe (PID: 948)
- cmd.exe (PID: 2548)
Starts itself from another location
- nosto.exe (PID: 948)
Starts CMD.EXE for commands execution
- nosto.exe (PID: 948)
INFO
Reads Internet Cache Settings
- EXCEL.EXE (PID: 2484)
Reads Microsoft Office registry keys
- EXCEL.EXE (PID: 2484)
Dropped object may contain Bitcoin addresses
- cmd.exe (PID: 2548)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | Deflated |
| ZipModifyDate: | 2020:10:19 16:21:24 |
| ZipCRC: | 0x1fcc8f03 |
| ZipCompressedSize: | 21428 |
| ZipUncompressedSize: | 26689 |
| ZipFileName: | Calculation-809564679-10162020.xlsb |
Total processes
45
Monitored processes
9
Malicious processes
3
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 716 | C:\Windows\explorer.exe | C:\Windows\explorer.exe | — | ytfovlym.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 948 | "C:\Hromo\Nivadalo\nosto.exe" | C:\Hromo\Nivadalo\nosto.exe | EXCEL.EXE | ||||||||||||
User: admin Company: QIHU 360 SOFTWARE CO. LIMITED Integrity Level: MEDIUM Description: 360 SystemRegistryClean Exit code: 0 Version: 1, 0, 0, 1003 Modules
| |||||||||||||||
| 1512 | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe /C | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe | — | ytfovlym.exe | |||||||||||
User: admin Company: QIHU 360 SOFTWARE CO. LIMITED Integrity Level: MEDIUM Description: 360 SystemRegistryClean Exit code: 0 Version: 1, 0, 0, 1003 Modules
| |||||||||||||||
| 1928 | C:\Hromo\Nivadalo\nosto.exe /C | C:\Hromo\Nivadalo\nosto.exe | — | nosto.exe | |||||||||||
User: admin Company: QIHU 360 SOFTWARE CO. LIMITED Integrity Level: MEDIUM Description: 360 SystemRegistryClean Exit code: 0 Version: 1, 0, 0, 1003 Modules
| |||||||||||||||
| 1972 | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe | — | nosto.exe | |||||||||||
User: admin Company: QIHU 360 SOFTWARE CO. LIMITED Integrity Level: MEDIUM Description: 360 SystemRegistryClean Exit code: 0 Version: 1, 0, 0, 1003 Modules
| |||||||||||||||
| 2144 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Calculation-809564679-10162020.zip" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.60.0 Modules
| |||||||||||||||
| 2336 | ping.exe -n 6 127.0.0.1 | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2484 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | WinRAR.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 2548 | "C:\Windows\System32\cmd.exe" /c ping.exe -n 6 127.0.0.1 & type "C:\Windows\System32\calc.exe" > "C:\Hromo\Nivadalo\nosto.exe" | C:\Windows\System32\cmd.exe | nosto.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
1 157
Read events
1 091
Write events
55
Delete events
11
Modification events
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Calculation-809564679-10162020.zip | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (2144) WinRAR.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | EXCELFiles |
Value: 1364459553 | |||
| (PID) Process: | (2484) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems |
| Operation: | write | Name: | )9 |
Value: 20293900B4090000010000000000000000000000 | |||
Executable files
4
Suspicious files
4
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2484 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR61A0.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2484 | EXCEL.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\3415201[1].png | executable | |
MD5:— | SHA256:— | |||
| 2144 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa2144.10923\Calculation-809564679-10162020.xlsb | document | |
MD5:— | SHA256:— | |||
| 2484 | EXCEL.EXE | C:\Hromo\Nivadalo\nosto.exe | executable | |
MD5:— | SHA256:— | |||
| 716 | explorer.exe | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.dat | binary | |
MD5:— | SHA256:— | |||
| 2548 | cmd.exe | C:\Hromo\Nivadalo\nosto.exe | executable | |
MD5:60B7C0FEAD45F2066E5B805A91F4F0FC | SHA256:80C10EE5F21F92F89CBC293A59D2FD4C01C7958AACAD15642558DB700943FA22 | |||
| 948 | nosto.exe | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.dat | binary | |
MD5:— | SHA256:— | |||
| 948 | nosto.exe | C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
6
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2484 | EXCEL.EXE | GET | 200 | 183.181.83.123:80 | http://home-delivery-cleaning.net/ecbmuibsl/3415201.png | JP | executable | 1.02 Mb | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2484 | EXCEL.EXE | 183.181.83.123:80 | home-delivery-cleaning.net | SAKURA Internet Inc. | JP | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
home-delivery-cleaning.net |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2484 | EXCEL.EXE | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
2484 | EXCEL.EXE | A Network Trojan was detected | ET CURRENT_EVENTS Likely Evil EXE download from MSXMLHTTP non-exe extension M2 |
2484 | EXCEL.EXE | A Network Trojan was detected | ET TROJAN JS/WSF Downloader Dec 08 2016 M4 |
2484 | EXCEL.EXE | A Network Trojan was detected | AV POLICY EXE or DLL in HTTP Image Content Inbound - Likely Malicious |
2484 | EXCEL.EXE | Misc activity | ET INFO EXE - Served Attached HTTP |
2484 | EXCEL.EXE | Misc activity | SUSPICIOUS [PTsecurity] PE as Image Content type mismatch |