File name:

Office_C2R_2023.rar

Full analysis: https://app.any.run/tasks/f8c9a233-0f77-42ec-a555-c77ac1bf6ecd
Verdict: Malicious activity
Analysis date: January 29, 2024, 19:33:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-rar
File info: RAR archive data, v5
MD5:

9C6EA80DD89D68A4F8FB39D11CAADC64

SHA1:

C380DFE70ADDE4A23601D597FC862C4A2E79D750

SHA256:

149FC381395801B5AD1C79DECF52AA93B8B81161CE71441446252A41BCF6BEFE

SSDEEP:

196608:vJJQlOmGFWWRXPq2WDTkY9/wPCP4nTIeE:vPQlOmGUudWDwY5wZng

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • OInstall_7.6.0.exe (PID: 2824)
      • files.dat (PID: 3560)
      • O15-21LicSetup.exe (PID: 3600)
      • files.dat (PID: 2932)

    • Accesses system services(Win32_Service) via WMI (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

  • SUSPICIOUS

    • Application launched itself

      • WinRAR.exe (PID: 268)

    • Process drops legitimate windows executable

      • WinRAR.exe (PID: 1632)
      • OInstall_7.6.0.exe (PID: 2824)
      • files.dat (PID: 3560)
      • files.dat (PID: 2932)

    • Uses REG/REGEDIT.EXE to modify registry

      • OInstall_7.6.0.exe (PID: 2824)
      • cmd.exe (PID: 3040)
      • cmd.exe (PID: 2088)
      • cmd.exe (PID: 1072)
      • cmd.exe (PID: 3316)

    • Executable content was dropped or overwritten

      • OInstall_7.6.0.exe (PID: 2824)
      • O15-21LicSetup.exe (PID: 3600)
      • files.dat (PID: 3560)
      • files.dat (PID: 2932)

    • Starts application with an unusual extension

      • cmd.exe (PID: 3588)
      • cmd.exe (PID: 3904)

    • The process drops C-runtime libraries

      • files.dat (PID: 3560)
      • files.dat (PID: 2932)

    • The process executes VB scripts

      • cmd.exe (PID: 3884)
      • cmd.exe (PID: 2332)

    • Reads settings of System Certificates

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Gets the drive type (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Creates FileSystem object to access computer's file system (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Gets full path of the running script (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Gets a collection of all available drive names (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Drops 7-zip archiver for unpacking

      • O15-21LicSetup.exe (PID: 3600)

    • Starts CMD.EXE for commands execution

      • O15-21LicSetup.exe (PID: 3600)
      • OInstall_7.6.0.exe (PID: 2824)

    • The executable file from the user directory is run by the CMD process

      • files.dat (PID: 3560)
      • files.dat (PID: 2932)
      • test.exe (PID: 3248)

    • Accesses WMI object, sets custom ImpersonationLevel (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Accesses OperatingSystem(Win32_OperatingSystem) via WMI (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Accesses computer name via WMI (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Checks whether a specific file exists (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Executes WMI query (SCRIPT)

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Reads the Internet Settings

      • cscript.exe (PID: 2636)

    • Connects to unusual port

      • test.exe (PID: 3248)

  • INFO

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 1632)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1632)

    • Manual execution by a user

      • OInstall_7.6.0.exe (PID: 2868)
      • OInstall_7.6.0.exe (PID: 2824)

    • Checks supported languages

      • OInstall_7.6.0.exe (PID: 2824)
      • O15-21LicSetup.exe (PID: 3600)
      • files.dat (PID: 3560)
      • files.dat (PID: 2932)
      • test.exe (PID: 3248)

    • Reads Environment values

      • OInstall_7.6.0.exe (PID: 2824)

    • Reads the computer name

      • OInstall_7.6.0.exe (PID: 2824)
      • test.exe (PID: 3248)

    • Create files in a temporary directory

      • OInstall_7.6.0.exe (PID: 2824)
      • O15-21LicSetup.exe (PID: 3600)
      • files.dat (PID: 3560)
      • files.dat (PID: 2932)

    • Reads security settings of Internet Explorer

      • cscript.exe (PID: 3844)
      • cscript.exe (PID: 2636)

    • Reads Microsoft Office registry keys

      • reg.exe (PID: 1604)
      • reg.exe (PID: 3380)

    • Reads the machine GUID from the registry

      • test.exe (PID: 3248)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rar | RAR compressed archive (v5.0) (61.5)
.rar | RAR compressed archive (gen) (38.4)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
97
Monitored processes
34
Malicious processes
10
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe no specs winrar.exe oinstall_7.6.0.exe no specs oinstall_7.6.0.exe reg.exe no specs o15-21licsetup.exe cmd.exe no specs files.dat cmd.exe no specs cscript.exe no specs cmd.exe no specs files.dat cmd.exe no specs cscript.exe no specs cmd.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs cmd.exe no specs test.exe cmd.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs cmd.exe no specs cscript.exe no specs cmd.exe no specs cscript.exe no specs cmd.exe no specs cscript.exe no specs cmd.exe no specs cscript.exe no specs reg.exe no specs reg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
268"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Office_C2R_2023.rar"C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
908"C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows Script Host\Settings" /v Enabled /t REG_DWORD /d 1 /fC:\Windows\System32\reg.exe—OInstall_7.6.0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
1072"C:\Windows\System32\cmd.exe" /c REG QUERY HKLM\Software\WOW6432Node\Microsoft\Office /s /v PathC:\Windows\System32\cmd.exe—OInstall_7.6.0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1604REG QUERY HKLM\Software\Microsoft\Office /s /v Path /reg:64C:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
1632"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIa268.32882\Office_C2R_2023_7.6.0.rarC:\Program Files\WinRAR\WinRAR.exe
WinRAR.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
1652REG QUERY HKLM\Software\WOW6432Node\Microsoft\Office /s /v PathC:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2088"C:\Windows\System32\cmd.exe" /c REG QUERY HKLM\Software\Microsoft\Office /s /v Path /reg:64C:\Windows\System32\cmd.exe—OInstall_7.6.0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2204"C:\Windows\System32\cmd.exe" /D /c C:\Users\admin\AppData\Local\Temp\test.exe kms.loli.beer:1688 -l Windows -6C:\Windows\System32\cmd.exe—OInstall_7.6.0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2228"C:\Windows\System32\cmd.exe" /D /c cscript.exe "" //NoLogo /actC:\Windows\System32\cmd.exe—OInstall_7.6.0.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2332"C:\Windows\System32\cmd.exe" /c cscript.exe ospp.vbs /dstatusallC:\Windows\System32\cmd.exe—O15-21LicSetup.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
9 841
Read events
9 753
Write events
88
Delete events
0

Modification events

(PID) Process:(268) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\phacker.zip
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\Win7-KB3191566-x86.zip
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(268) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
18
Suspicious files
0
Text files
2 310
Unknown types
0

Dropped files

PID
Process
Filename
Type
268WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa268.32882\Office_C2R_2023_7.6.0.rar —
MD5:—
SHA256:—
1632WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb1632.33232\Office_C2R_2023_7.6.0\files\x86\cleanospp.exeexecutable
MD5:5FD363D52D04AC200CD24F3BCC903200
SHA256:3FDEFE2AD092A9A7FE0EDF0AC4DC2DE7E5B9CE6A0804F6511C06564194966CF9
1632WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb1632.33232\Office_C2R_2023_7.6.0\files\Uninstall.xmltext
MD5:364F86F97324EA82FE0D142CD01CF6DD
SHA256:09D5B42140BAB13165BA97FBD0E77792304C3C93555BE02C3DCE21A7A69C66DD
1632WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb1632.33232\Office_C2R_2023_7.6.0\files\Configure.xmltext
MD5:62ED85E5A45666AD7999DB9F19AE0454
SHA256:E0C5B4921562D8162FFC0D1B4EE70C804EAD5C1569E56A027C504CFD8C2E831F
1632WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb1632.33232\Office_C2R_2023_7.6.0\files\x64\cleanospp.exeexecutable
MD5:162AB955CB2F002A73C1530AA796477F
SHA256:5CE462E5F34065FC878362BA58617FAB28C22D631B9D836DDDCF43FB1AD4DE6E
3600O15-21LicSetup.exeC:\Users\admin\AppData\Local\Temp\files.datexecutable
MD5:DC2D0D6E8B2D38B3456DACD9D4FCF392
SHA256:6CCC6BB1569067BFCC579AB0A432987638EB37F3675AADE0388467E232D97EF9
3560files.datC:\Users\admin\AppData\Local\Temp\o15files\AccessR_Retail-pl.xrm-msxml
MD5:D6BAF3C4B189AD459BFDCFE0ED872C5F
SHA256:F27BE859E64B4796A7CFB4E210534A5D07C7E77347058C216EA47753B939B4D4
3560files.datC:\Users\admin\AppData\Local\Temp\o15files\AccessR_OEM_Perp-pl.xrm-msxml
MD5:2DBFB475049A649A07512E6BE8D5E1B4
SHA256:C34A77B0F5573B303ECEE1038E5B8AADFA7A2088BA8B8B64669B18723CD54046
2824OInstall_7.6.0.exeC:\Users\admin\AppData\Local\Temp\O15-21LicSetup.exeexecutable
MD5:E45C355308AC0B2322F96E64CEBBF875
SHA256:783AD384DE39C8F5BD7DCF46FFEF99BB9DAD4A43D5579C40B982C1CC6FFFEE12
3560files.datC:\Users\admin\AppData\Local\Temp\o15files\AccessR_Grace-ul-oob.xrm-msxml
MD5:9602E7CC4CB46F3B6E4FA33E158AB0D7
SHA256:6B14E4026FEF6E824E07310F570E4C820E18AF35849A9037777EA46DBF2B4FFC
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
1
Threats
0

HTTP requests

No 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
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
3248
test.exe
104.208.72.228:1688
kms.loli.beer
MICROSOFT-CORP-MSN-AS-BLOCK
HK
unknown

DNS requests

Domain
IP
Reputation
kms.loli.beer
  • 104.208.72.228
unknown

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Office_C2R_2023.rar