File name:

unionreturns.rtf.exe

Full analysis: https://app.any.run/tasks/1321a3f5-2389-482e-a4d2-e82b9611603d
Verdict: Malicious activity
Analysis date: December 02, 2023, 21:26:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
revengerat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

4C2ED6148F7E4787FD8D1017BD81CC11

SHA1:

6ACF9A455C5CABE93D4AA625E7B70BC42200A533

SHA256:

B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994

SSDEEP:

24576:1oFbrcrnIxMfzcayo389j1GwZlZ/Zvi4z/v6HsEnWeonu2NAz1tsliem9B:1oFbrcrnIxMfzcayo389j1GwZlZ/ZviL

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

    • Changes appearance of the Explorer extensions

      • unionreturns.rtf.exe (PID: 124)

    • Drops the executable file immediately after the start

      • devenv.exe (PID: 2184)
      • unionreturns.rtf.exe (PID: 124)

    • REVENGERAT has been detected (YARA)

      • admtools.exe (PID: 3676)

  • SUSPICIOUS

    • Reads the Internet Settings

      • unionreturns.rtf.exe (PID: 124)
      • devenv.exe (PID: 2184)

    • Connects to unusual port

      • admtools.exe (PID: 3676)

  • INFO

    • Reads the machine GUID from the registry

      • unionreturns.rtf.exe (PID: 124)
      • devenv.exe (PID: 2184)
      • admtools.exe (PID: 3676)

    • Checks supported languages

      • unionreturns.rtf.exe (PID: 124)
      • devenv.exe (PID: 2184)
      • admtools.exe (PID: 3676)

    • Reads the computer name

      • unionreturns.rtf.exe (PID: 124)
      • devenv.exe (PID: 2184)
      • admtools.exe (PID: 3676)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (62)
.exe | Win64 Executable (generic) (23.3)
.dll | Win32 Dynamic Link Library (generic) (5.5)
.exe | Win32 Executable (generic) (3.8)
.exe | Win16/32 Executable Delphi generic (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2105:05:31 07:12:31+02:00
ImageFileCharacteristics: Executable, No line numbers, No symbols, Large address aware, 32-bit
PEType: PE32
LinkerVersion: 80
CodeSize: 558080
InitializedDataSize: 117248
UninitializedDataSize: -
EntryPoint: 0x8a2ce
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 4.2.51.0
ProductVersionNumber: 4.2.51.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 4.2.51.0
InternalName: -.exe
LegalCopyright: © Microsoft Corporation
LegalTrademarks: -
OriginalFileName: -.exe
ProductName: -
ProductVersion: 4.2.51.0
AssemblyVersion: 4.2.51.0
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start runas.exe no specs unionreturns.rtf.exe devenv.exe no specs #REVENGERAT admtools.exe

Process information

PID
CMD
Path
Indicators
Parent process
124C:\Users\admin\Desktop\unionreturns.rtf.exeC:\Users\admin\Desktop\unionreturns.rtf.exe
runas.exe
User:
Administrator
Integrity Level:
HIGH
Exit code:
0
Version:
4.2.51.0
Modules
Images
c:\users\admin\desktop\unionreturns.rtf.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
2184"C:\Users\Public\Documents\devenv.exe" C:\Users\Public\Documents\devenv.exe—unionreturns.rtf.exe
User:
Administrator
Integrity Level:
HIGH
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\public\documents\devenv.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2644"C:\Windows\System32\runas.exe" /user:administrator C:\Users\admin\Desktop\unionreturns.rtf.exeC:\Windows\System32\runas.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Run As Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\runas.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\credui.dll
c:\windows\system32\user32.dll
3676"C:\Users\Public\Documents\admtools.exe" C:\Users\Public\Documents\admtools.exe
unionreturns.rtf.exe
User:
Administrator
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\public\documents\admtools.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
Total events
1 830
Read events
1 814
Write events
14
Delete events
2

Modification events

(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:delete valueName:ProxyBypass
Value:
0
(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:delete valueName:IntranetName
Value:
0
(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:Hidden
Value:
2
(PID) Process:(124) unionreturns.rtf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:HideFileExt
Value:
1
(PID) Process:(2184) devenv.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2184) devenv.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2184) devenv.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2184) devenv.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
844
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
124unionreturns.rtf.exeC:\RCX7843.tmpexecutable
MD5:CC6117A8A21A97B21D46B26E57ECC8D2
SHA256:D444AFB1A2E7ECD0842549C7B77E2D39311D492921BCAA9F5C4430F1521D8CCD
124unionreturns.rtf.exeC:\RCX77B5.tmpexecutable
MD5:9623330DF18B3F8514F29CC79EF72EA0
SHA256:FCD22C1C7245F6D5C77C0B595A9C613FE6722064078EF41F9135E27A826A92EE
2184devenv.exeC:\Users\Public\Documents\p2p.dllexecutable
MD5:6CFFF9C292A1BB84D395AF36A514B969
SHA256:A3967A0CC27A52334C159387BE84DBA99EC5F5F2978260F6B1E3AFA648A060DB
124unionreturns.rtf.exeC:\RCX7874.tmpexecutable
MD5:4EEDC4536048ABEB736AE6AB020B4743
SHA256:34A1A5366023F397416DC562BBE25723E39FF36540364E7A454DF38ED0EE8047
124unionreturns.rtf.exeC:\Users\Administrator\ntuser.dat.LOG1.exeexecutable
MD5:4C2ED6148F7E4787FD8D1017BD81CC11
SHA256:B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994
124unionreturns.rtf.exeC:\Users\Administrator\ntuser.dat.LOG2.exeexecutable
MD5:4C2ED6148F7E4787FD8D1017BD81CC11
SHA256:B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994
124unionreturns.rtf.exeC:\RCX7795.tmpexecutable
MD5:4C2ED6148F7E4787FD8D1017BD81CC11
SHA256:B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994
124unionreturns.rtf.exeC:\RCX7863.tmpexecutable
MD5:4C2ED6148F7E4787FD8D1017BD81CC11
SHA256:B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994
124unionreturns.rtf.exeC:\RCX7894.tmpexecutable
MD5:F2F2067064CCB40B93BCBABD0AA3059E
SHA256:29811DC066C655E669FCFED88B8F8E370D3C4A1E86D196F39AD40B5E33008EAC
124unionreturns.rtf.exeC:\RCX78D4.tmpexecutable
MD5:4C2ED6148F7E4787FD8D1017BD81CC11
SHA256:B73C950CCC87F4C49A9A5AC1B5E28936B07F40CEF46CFAC60C0ED43D15F2D994
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
3
Threats
1

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
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
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
3676
admtools.exe
45.84.227.157:50
pex.0x01.cf
Beget LLC
RU
unknown

DNS requests

Domain
IP
Reputation
pex.0x01.cf
  • 45.84.227.157
unknown
api.peer2profit.com
  • —
unknown
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET INFO DNS Query for Suspicious .cf Domain
No debug info
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Reports
unionreturns.rtf.exe