File name:

OInstall.exe

Full analysis: https://app.any.run/tasks/4cd2d631-decd-45b1-922e-26ea65f7302b
Verdict: Malicious activity
Analysis date: June 27, 2023, 23:47:12
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

EBC58647462AD9C76395EF451064D115

SHA1:

14E470812F13B278B2694A4CEC5737A39784E9DD

SHA256:

414155BF11893EC64BA0F4FFB7DE92885090845A0761CF8F6743462AA5991D5E

SSDEEP:

196608:2ZnMGjZsDEsCaYsGEHy61bgUhufRswPU2/V8Gd83/PALDP0PiaQxhwf+9zYul28S:WnjZhsCOU6ZgfPPPuGdnv0fzfoDYtB

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

    • Application was dropped or rewritten from another process

      • files.dat (PID: 1944)
      • test.dat (PID: 1216)
      • test.dat (PID: 3396)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • OInstall.exe (PID: 900)

    • Executable content was dropped or overwritten

      • OInstall.exe (PID: 900)
      • files.dat (PID: 1944)

    • Starts application with an unusual extension

      • cmd.exe (PID: 576)
      • cmd.exe (PID: 2244)
      • cmd.exe (PID: 3056)

    • Connects to unusual port

      • test.dat (PID: 1216)
      • test.dat (PID: 3396)

    • Uses REG/REGEDIT.EXE to modify registry

      • cmd.exe (PID: 3252)
      • cmd.exe (PID: 3696)
      • OInstall.exe (PID: 900)

  • INFO

    • Reads Environment values

      • OInstall.exe (PID: 900)

    • Checks supported languages

      • OInstall.exe (PID: 900)
      • files.dat (PID: 1944)
      • test.dat (PID: 1216)
      • test.dat (PID: 3396)
      • wmpnscfg.exe (PID: 3356)

    • The process checks LSA protection

      • OInstall.exe (PID: 900)
      • test.dat (PID: 3396)
      • wmpnscfg.exe (PID: 3356)

    • Reads the computer name

      • OInstall.exe (PID: 900)
      • test.dat (PID: 1216)
      • test.dat (PID: 3396)
      • wmpnscfg.exe (PID: 3356)

    • Create files in a temporary directory

      • OInstall.exe (PID: 900)
      • files.dat (PID: 1944)

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

      • files.dat (PID: 1944)
      • test.dat (PID: 1216)
      • test.dat (PID: 3396)

    • Reads the machine GUID from the registry

      • test.dat (PID: 3396)
      • wmpnscfg.exe (PID: 3356)

    • Reads Microsoft Office registry keys

      • reg.exe (PID: 2872)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3356)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (76)
.exe | Win32 Executable (generic) (12.6)
.exe | Generic Win/DOS Executable (5.6)
.exe | DOS Executable Generic (5.6)

EXIF

EXE

FileDescription: Office 2013-2021 C2R Install
ProductName: Office 2013-2021 C2R Install
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Unknown
FileOS: Unknown (0)
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 7.3.3.0
FileVersionNumber: 7.3.3.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1585eb0
UninitializedDataSize: 11218944
InitializedDataSize: 90112
CodeSize: 11350016
LinkerVersion: 2.5
PEType: PE32
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
TimeStamp: 2021:09:08 08:23:35+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 08-Sep-2021 08:23:35
Detected languages:
  • English - United States
ProductName: Office 2013-2021 C2R Install
FileDescription: Office 2013-2021 C2R Install

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 08-Sep-2021 08:23:35
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00AB3000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00AB4000
0x00AD3000
0x00AD2200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.89556
.rsrc
0x01587000
0x00016000
0x00015200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.96827

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.94291
1117
UNKNOWN
English - United States
RT_MANIFEST
2
1.96082
9640
UNKNOWN
English - United States
RT_ICON
3
2.20562
4264
UNKNOWN
English - United States
RT_ICON
4
2.87138
1128
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.DLL
COMCTL32.DLL
GDI32.DLL
ICMP.DLL
IMAGEHLP.DLL
IPHLPAPI.DLL
KERNEL32.DLL
MSI.DLL
MSVCRT.dll
NETAPI32.DLL
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
72
Monitored processes
23
Malicious processes
2
Suspicious processes
3

Behavior graph

Click at the process to see the details
start oinstall.exe cmd.exe no specs files.dat cmd.exe no specs test.dat cmd.exe no specs test.dat 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 wmpnscfg.exe no specs oinstall.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
576"C:\Windows\System32\cmd.exe" /D /c files.dat -y -pkmsautoC:\Windows\System32\cmd.exe—OInstall.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\usp10.dll
c:\windows\system32\lpk.dll
744"C:\Windows\System32\cmd.exe" /D /c cscript.exe "" //NoLogo /actC:\Windows\System32\cmd.exe—OInstall.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
900"C:\Users\admin\AppData\Local\Temp\OInstall.exe" C:\Users\admin\AppData\Local\Temp\OInstall.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Description:
Office 2013-2021 C2R Install
Exit code:
0
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\users\admin\appdata\local\temp\oinstall.exe
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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
908cscript.exe "" //NoLogo /actC:\Windows\System32\cscript.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft ® Console Based Script Host
Exit code:
1
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\cscript.exe
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
1216C:\Users\admin\AppData\Local\Temp\test.dat kms.loli.beer:1688 -l Windows -6C:\Users\admin\AppData\Local\Temp\test.dat
cmd.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\test.dat
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\dnsapi.dll
c:\windows\system32\ws2_32.dll
1372"C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /v KeyManagementServiceName /t REG_SZ /d kms.03k.org /fC:\Windows\System32\reg.exe—OInstall.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
1944files.dat -y -pkmsautoC:\Users\admin\AppData\Local\Temp\files\files.dat
cmd.exe
User:
admin
Company:
Igor Pavlov
Integrity Level:
HIGH
Description:
7z Console SFX
Exit code:
0
Version:
9.20
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\local\temp\files\files.dat
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2044cscript.exe "" //NoLogo /remhstC:\Windows\System32\cscript.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft ® Console Based Script Host
Exit code:
1
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\cscript.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2220cscript.exe "" //NoLogo /sethst:kms.03k.orgC:\Windows\System32\cscript.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft ® Console Based Script Host
Exit code:
1
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\cscript.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2244"C:\Windows\System32\cmd.exe" /D /c C:\Users\admin\AppData\Local\Temp\test.dat kms.loli.beer:1688 -l Windows -6C:\Windows\System32\cmd.exe—OInstall.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\winbrand.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
Total events
1 111
Read events
1 108
Write events
0
Delete events
3

Modification events

(PID) Process:(3356) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{64B54623-C9B3-4633-9596-C15C9CAC55C7}\{BEA333A9-94FC-4BAF-A00F-FB3E41C8CF66}
Operation:delete keyName:(default)
Value:
(PID) Process:(3356) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{64B54623-C9B3-4633-9596-C15C9CAC55C7}
Operation:delete keyName:(default)
Value:
(PID) Process:(3356) wmpnscfg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health\{FF34DEEC-7323-43DF-982D-63236AA6C828}
Operation:delete keyName:(default)
Value:
Executable files
7
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
900OInstall.exeC:\Users\admin\AppData\Local\Temp\files\files.datexecutable
MD5:55D21B2C272A5D6B9F54FA9ED82BF9EB
SHA256:7A1C82E264258470D14CA345EA1A9B6FC34FA19B393A92077A01BE5F1AD08F47
900OInstall.exeC:\Users\admin\AppData\Local\Temp\files\Configure.xmltext
MD5:AC6BE84084E31DBB0E08D188B6C86EC8
SHA256:1879F7DE537C2AA70292C61EBEF9C6477D36E25B2E6A639E318B159E0A22B0FC
900OInstall.exeC:\Users\admin\AppData\Local\Temp\files\setup.exeexecutable
MD5:072A2EFEA576956E465AFF2492A1C7F4
SHA256:EE3875ABD5D49A1891C8818820F61A1E5D0382DF37B5A5B72E175B2B6C70A9C2
1944files.datC:\Users\admin\AppData\Local\Temp\files\x64\cleanospp.exeexecutable
MD5:162AB955CB2F002A73C1530AA796477F
SHA256:5CE462E5F34065FC878362BA58617FAB28C22D631B9D836DDDCF43FB1AD4DE6E
1944files.datC:\Users\admin\AppData\Local\Temp\files\x86\cleanospp.exeexecutable
MD5:5FD363D52D04AC200CD24F3BCC903200
SHA256:3FDEFE2AD092A9A7FE0EDF0AC4DC2DE7E5B9CE6A0804F6511C06564194966CF9
1944files.datC:\Users\admin\AppData\Local\Temp\files\x64\msvcr100.dllexecutable
MD5:DF3CA8D16BDED6A54977B30E66864D33
SHA256:1D1A1AE540BA132F998D60D3622F0297B6E86AE399332C3B47462D7C0F560A36
1944files.datC:\Users\admin\AppData\Local\Temp\files\Uninstall.xmltext
MD5:364F86F97324EA82FE0D142CD01CF6DD
SHA256:09D5B42140BAB13165BA97FBD0E77792304C3C93555BE02C3DCE21A7A69C66DD
1944files.datC:\Users\admin\AppData\Local\Temp\files\x86\msvcr100.dllexecutable
MD5:BF38660A9125935658CFA3E53FDC7D65
SHA256:60C06E0FA4449314DA3A0A87C1A9D9577DF99226F943637E06F61188E5862EFA
900OInstall.exeC:\Users\admin\AppData\Local\Temp\test.datexecutable
MD5:CC470D06E9AFC9A7C0B395274B02AC88
SHA256:81F84A27C49DDD56C799D935787BECB989A6E5B8E000E76E21C82B6CDE4C42FF
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
2
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
192.168.100.255:138
—
—
—
whitelisted
3396
test.dat
104.244.78.23:1688
kms.03k.org
PONYNET
LU
unknown
1216
test.dat
52.184.28.213:1688
kms.loli.beer
MICROSOFT-CORP-MSN-AS-BLOCK
HK
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
2816
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
1076
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

Domain
IP
Reputation
kms.loli.beer
  • 52.184.28.213
unknown
kms.03k.org
  • 104.244.78.23
suspicious

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
OInstall.exe