File name:

MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe

Full analysis: https://app.any.run/tasks/25bf31da-6850-4a83-a12f-3aa26caf75f6
Verdict: Malicious activity
Analysis date: December 31, 2023, 08:22:56
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
MD5:

0032DB0E51AA3EB59524C60CCE8EC586

SHA1:

0986ACB5F3120CBC8191D8507B4C34C5FBB49861

SHA256:

8DE592EFEB1B2BCAB19077F08766308D049E62F7A4E467DC7204F7710320624B

SSDEEP:

98304:sVUDapf95UxB+DqQ52nippI8EtGYXqy2cdBw8qO7YyjC6lHq79e0Sfe2ceem0XTK:DRGa53PLUFU

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

    No malicious indicators.

  • SUSPICIOUS

    • Drops a system driver (possible attempt to evade defenses)

      • ColaBoxChecker.exe (PID: 784)
      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)

    • Reads the Internet Settings

      • nemu-downloader.exe (PID: 2416)

    • Reads settings of System Certificates

      • nemu-downloader.exe (PID: 2416)

  • INFO

    • Process drops legitimate windows executable

      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)

    • Checks supported languages

      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)
      • nemu-downloader.exe (PID: 2416)
      • ColaBoxChecker.exe (PID: 784)

    • Reads the computer name

      • nemu-downloader.exe (PID: 2416)
      • ColaBoxChecker.exe (PID: 784)

    • Drops the executable file immediately after the start

      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)
      • ColaBoxChecker.exe (PID: 784)

    • Create files in a temporary directory

      • nemu-downloader.exe (PID: 2416)
      • ColaBoxChecker.exe (PID: 784)
      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)

    • Drops 7-zip archiver for unpacking

      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)

    • The process drops C-runtime libraries

      • MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe (PID: 2256)

    • Reads the machine GUID from the registry

      • ColaBoxChecker.exe (PID: 784)
      • nemu-downloader.exe (PID: 2416)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:06:15 15:00:00+02:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Large address aware, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 28672
InitializedDataSize: 126464
UninitializedDataSize: -
EntryPoint: 0x7c84
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 22.0.0.0
ProductVersionNumber: 22.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: NetEase, Inc.
FileDescription: MuMu Player 12
FileVersion: 2022
InternalName: 7zS2.sfx
LegalCopyright: Copyright (C) 2022
OriginalFileName: NemuDownloader.exe
ProductName: MuMu Player 12
ProductVersion: 1.0.0.0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
4
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start mumuinstaller_3.1.6.0_gw-overseas12_all_1699416735.exe nemu-downloader.exe colaboxchecker.exe no specs mumuinstaller_3.1.6.0_gw-overseas12_all_1699416735.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
784"C:\Users\admin\AppData\Local\Temp\7zE22348D0\ColaBoxChecker.exe" checker /baseboardC:\Users\admin\AppData\Local\Temp\7zE22348D0\ColaBoxChecker.exe—nemu-downloader.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\7ze22348d0\colaboxchecker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
2040"C:\Users\admin\AppData\Local\Temp\MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe" C:\Users\admin\AppData\Local\Temp\MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe—explorer.exe
User:
admin
Company:
NetEase, Inc.
Integrity Level:
MEDIUM
Description:
MuMu Player 12
Exit code:
3221226540
Version:
2022
Modules
Images
c:\users\admin\appdata\local\temp\mumuinstaller_3.1.6.0_gw-overseas12_all_1699416735.exe
c:\windows\system32\ntdll.dll
2256"C:\Users\admin\AppData\Local\Temp\MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe" C:\Users\admin\AppData\Local\Temp\MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe
explorer.exe
User:
admin
Company:
NetEase, Inc.
Integrity Level:
HIGH
Description:
MuMu Player 12
Exit code:
0
Version:
2022
Modules
Images
c:\users\admin\appdata\local\temp\mumuinstaller_3.1.6.0_gw-overseas12_all_1699416735.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\shell32.dll
2416C:\Users\admin\AppData\Local\Temp\7zE22348D0\nemu-downloader.exe C:\Users\admin\AppData\Local\Temp\7zE22348D0\nemu-downloader.exe
MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe
User:
admin
Company:
NetEase, Inc.
Integrity Level:
HIGH
Description:
MuMu Player Installer
Exit code:
0
Version:
1.3.0.1
Modules
Images
c:\users\admin\appdata\local\temp\7ze22348d0\nemu-downloader.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
Total events
3 681
Read events
3 659
Write events
22
Delete events
0

Modification events

(PID) Process:(2416) nemu-downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2416) nemu-downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2416) nemu-downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2416) nemu-downloader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2416) nemu-downloader.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
14
Suspicious files
10
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\winring0.catbinary
MD5:5691A9B76C5B0BD1DD83687F5F0E87A1
SHA256:784E031565C67F1D29640C62F0CC205D5B56C1F78BE894252CCE06474B64A618
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\WinRing0.infbinary
MD5:F069F20871CB316BFB73C276393D1648
SHA256:07942017E8CAAA1065867AECC561577199E53142545CB6FB41239AE4C607D46B
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\nemu-downloader.exeexecutable
MD5:61CE1418B06DDB339C582F81AF039E45
SHA256:55A72B89FB48775739E4D4EFB1756FACEB3AEDC33C37FC2A5E332B9DC250A482
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\msvcp140.dllexecutable
MD5:FF877A5DFFD764197250BD4BA28496B1
SHA256:83F935454AE8E450B6F042509ECF28CCEFF95EDB2495C63A782B9D45C2EAF1C0
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\config.initext
MD5:07904DB88D48F3325B042C45E80445C9
SHA256:7C70D75AF6E4D6C82238F1CB5A1BA82C72E13CB59D1A992154E4DF1919A64299
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\skin.zipcompressed
MD5:D59A09FB475ED8CD967E1A5366D7884D
SHA256:45A97DBA97F3613EC8F357D9A36FE336C2795EAD0F32081856B9B2DAD4620CE1
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\vcruntime140.dllexecutable
MD5:1E6E97D60D411A2DEE8964D3D05ADB15
SHA256:8598940E498271B542F2C04998626AA680F2172D0FF4F8DBD4FFEC1A196540F9
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\winring0x64.catbinary
MD5:E7CEE7F541C057F490D486927D659122
SHA256:317D01D9956F052D929FDBAC258F1A2DC5163D3432FC488023A1F4D332AE3D45
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\WinRing0.sysexecutable
MD5:A73EE34A7A50BE60E77CC277A96D7BA8
SHA256:4448BEFF8366E42E3393E8C7F8261AEE0B0340356C31AA3B97DE07452AE01888
2256MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exeC:\Users\admin\AppData\Local\Temp\7zE22348D0\MuMuDownloader.exeexecutable
MD5:2F3D77B4F587F956E9987598B0A218EB
SHA256:2F980C56D81F42BA47DC871A04406976DC490DED522131CE9A2E35C40CA8616E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
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
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2416
nemu-downloader.exe
3.113.175.248:443
api.mumuglobal.com
AMAZON-02
JP
unknown
2416
nemu-downloader.exe
23.67.143.122:443
dns.update.easebar.com
AKAMAI-AS
DE
unknown

DNS requests

Domain
IP
Reputation
api.mumuglobal.com
  • 3.113.175.248
  • 52.194.46.116
unknown
dns.update.easebar.com
  • 23.67.143.122
unknown

Threats

No threats detected
No debug info
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Reports
MuMuInstaller_3.1.6.0_gw-overseas12_all_1699416735.exe