File name:

RUN-ME-FIRST.exe

Full analysis: https://app.any.run/tasks/b4d8b42a-ac1f-4abc-a94f-4be93077c8bc
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Malware Trends Tracker     >>>
Analysis date: April 01, 2023, 07:00:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
quasar
trojan
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

99D105ED7186ED03344BC6EEB954CA32

SHA1:

3337E4306D4304FBB65F9615DFF848CCE3B9B267

SHA256:

B8F3E006B55BD775C5C42C5B553C6E9C73606228616582ADE1A59772629D2274

SSDEEP:

49152:mvGI22SsaNYfdPBldt698dBcjHrFRJ6WbR3LoGdUDTHHB72eh2NT:mvL22SsaNYfdPBldt6+dBcjHrFRJ6Qk

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 the autorun value in the registry

      • FanManagenmentSystem.exe (PID: 3220)

    • Connects to the CnC server

      • FanManagenmentSystem.exe (PID: 3220)

    • QUASAR detected by memory dumps

      • FanManagenmentSystem.exe (PID: 3220)

    • ASYNCRAT detected by memory dumps

      • FanManagenmentSystem.exe (PID: 3220)

    • QUASAR was detected

      • FanManagenmentSystem.exe (PID: 3220)

    • ASYNCRAT was detected

      • FanManagenmentSystem.exe (PID: 3220)

  • SUSPICIOUS

    • The process creates files with name similar to system file names

      • RUN-ME-FIRST.exe (PID: 2672)

    • Starts itself from another location

      • RUN-ME-FIRST.exe (PID: 2672)

    • Executable content was dropped or overwritten

      • RUN-ME-FIRST.exe (PID: 2672)

    • Reads settings of System Certificates

      • FanManagenmentSystem.exe (PID: 3220)

    • Connects to unusual port

      • FanManagenmentSystem.exe (PID: 3220)

    • Reads the Internet Settings

      • FanManagenmentSystem.exe (PID: 3220)

  • INFO

    • Reads the computer name

      • RUN-ME-FIRST.exe (PID: 2672)
      • FanManagenmentSystem.exe (PID: 3220)
      • wmpnscfg.exe (PID: 3840)

    • Checks supported languages

      • RUN-ME-FIRST.exe (PID: 2672)
      • FanManagenmentSystem.exe (PID: 3220)
      • wmpnscfg.exe (PID: 3840)

    • Reads Environment values

      • RUN-ME-FIRST.exe (PID: 2672)
      • FanManagenmentSystem.exe (PID: 3220)

    • Reads the machine GUID from the registry

      • RUN-ME-FIRST.exe (PID: 2672)
      • FanManagenmentSystem.exe (PID: 3220)
      • wmpnscfg.exe (PID: 3840)

    • The process checks LSA protection

      • RUN-ME-FIRST.exe (PID: 2672)
      • FanManagenmentSystem.exe (PID: 3220)
      • wmpnscfg.exe (PID: 3840)

    • Creates files or folders in the user directory

      • RUN-ME-FIRST.exe (PID: 2672)

    • Create files in a temporary directory

      • FanManagenmentSystem.exe (PID: 3220)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3840)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(3220) FanManagenmentSystem.exe
Version1.4.1
C2 (2)194.49.94.22:3306
Sub_DirFanSense
Install_NameFanManagenmentSystem.exe
Mutex38bab3e4-f621-45b8-869d-40f9041d8523
StartupFanSense
TagEE!
LogDirLogs
SignaturehpSWpAcf5jCeHN5xZt33DWlZhbKp2QkB/YEh4SkhgHn0zFw4k86bs/jKeSVi1udUcuq2bi0ZbPGye9lVLDCHVX3iq4NHW2NIFJ8GlZPc46gBZ80O3epV+FP/IOdJOb1cM5FAoW3WiB2KHwCqNvvoz8P9O0hioeL+ajo16dlLsT3r1dKgrSfkcPDcjNU1Yf8fPyJhG4G7rvCBFSFqMY6AWZL7buB6SzRW/V1SDkrO2r8ib5XMQUC8sx6I2AiqQz+pZZpUP4AbE/JtKa3qgymC1tEmxlxhFIS0DpI/scGEZK2A...
CertificateMIIE9DCCAtygAwIBAgIQAN+l7p9olnAipTuTuw+B6zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIzMDMyODIzNDkzM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuM0hDm4PngSR8o6E6K/k2QP8s2uZM8585HYg8DUCDl6gS9OdpaROgXDo/cJ9V0c1INnwQ/NR...
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 1.4.1.0
ProductVersion: 1.4.1
ProductName: Quasar
OriginalFileName: Client.exe
LegalTrademarks: -
LegalCopyright: Copyright © MaxXor 2023
InternalName: Client.exe
FileVersion: 1.4.1
FileDescription: Quasar Client
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.4.1.0
FileVersionNumber: 1.4.1.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x31e40e
UninitializedDataSize: -
InitializedDataSize: 3584
CodeSize: 3261952
LinkerVersion: 8
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2023:03:12 16:16:39+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Mar-2023 16:16:39
Comments: -
CompanyName: -
FileDescription: Quasar Client
FileVersion: 1.4.1
InternalName: Client.exe
LegalCopyright: Copyright © MaxXor 2023
LegalTrademarks: -
OriginalFilename: Client.exe
ProductName: Quasar
ProductVersion: 1.4.1
Assembly Version: 1.4.1.0

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: 12-Mar-2023 16:16:39
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0031C414
0x0031C600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.08481
.rsrc
0x00320000
0x00000A93
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.65397
.reloc
0x00322000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.18029
1751
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start run-me-first.exe #ASYNCRAT fanmanagenmentsystem.exe wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2672"C:\Users\admin\AppData\Local\Temp\RUN-ME-FIRST.exe" C:\Users\admin\AppData\Local\Temp\RUN-ME-FIRST.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
3
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\local\temp\run-me-first.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3220"C:\Users\admin\AppData\Roaming\FanSense\FanManagenmentSystem.exe"C:\Users\admin\AppData\Roaming\FanSense\FanManagenmentSystem.exe
RUN-ME-FIRST.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
0
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\roaming\fansense\fanmanagenmentsystem.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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
Quasar
(PID) Process(3220) FanManagenmentSystem.exe
Version1.4.1
C2 (2)194.49.94.22:3306
Sub_DirFanSense
Install_NameFanManagenmentSystem.exe
Mutex38bab3e4-f621-45b8-869d-40f9041d8523
StartupFanSense
TagEE!
LogDirLogs
SignaturehpSWpAcf5jCeHN5xZt33DWlZhbKp2QkB/YEh4SkhgHn0zFw4k86bs/jKeSVi1udUcuq2bi0ZbPGye9lVLDCHVX3iq4NHW2NIFJ8GlZPc46gBZ80O3epV+FP/IOdJOb1cM5FAoW3WiB2KHwCqNvvoz8P9O0hioeL+ajo16dlLsT3r1dKgrSfkcPDcjNU1Yf8fPyJhG4G7rvCBFSFqMY6AWZL7buB6SzRW/V1SDkrO2r8ib5XMQUC8sx6I2AiqQz+pZZpUP4AbE/JtKa3qgymC1tEmxlxhFIS0DpI/scGEZK2A...
CertificateMIIE9DCCAtygAwIBAgIQAN+l7p9olnAipTuTuw+B6zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIzMDMyODIzNDkzM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuM0hDm4PngSR8o6E6K/k2QP8s2uZM8585HYg8DUCDl6gS9OdpaROgXDo/cJ9V0c1INnwQ/NR...
3840"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\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
Total events
9 338
Read events
9 274
Write events
58
Delete events
6

Modification events

(PID) Process:(2672) RUN-ME-FIRST.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3220) FanManagenmentSystem.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3220) FanManagenmentSystem.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:FanSense
Value:
"C:\Users\admin\AppData\Roaming\FanSense\FanManagenmentSystem.exe"
(PID) Process:(3840) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{B85B5F84-9E7C-407C-958B-BAFB77765C18}\{622F43CB-5685-4998-A6C9-598D5CE38A81}
Operation:delete keyName:(default)
Value:
(PID) Process:(3840) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{B85B5F84-9E7C-407C-958B-BAFB77765C18}
Operation:delete keyName:(default)
Value:
(PID) Process:(3840) wmpnscfg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health\{5781A432-0ADB-4674-B2EA-3BAA5DDFCEDA}
Operation:delete keyName:(default)
Value:
Executable files
2
Suspicious files
6
Text files
0
Unknown types
2

Dropped files

PID
Process
Filename
Type
2672RUN-ME-FIRST.exeC:\Users\admin\AppData\Roaming\FanSense\FanManagenmentSystem.exeexecutable
MD5:—
SHA256:—
3220FanManagenmentSystem.exeC:\Users\admin\AppData\Local\Temp\Tar15E6.tmpcat
MD5:BE2BEC6E8C5653136D3E72FE53C98AA3
SHA256:1919AAB2A820642490169BDC4E88BD1189E22F83E7498BF8EBDFB62EC7D843FD
3220FanManagenmentSystem.exeC:\Users\admin\AppData\Local\Temp\Cab15E5.tmpcompressed
MD5:E71C8443AE0BC2E282C73FAEAD0A6DD3
SHA256:95B0A5ACC5BF70D3ABDFD091D0C9F9063AA4FDE65BD34DBF16786082E1992E72
3220FanManagenmentSystem.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:—
SHA256:—
3220FanManagenmentSystem.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:E71C8443AE0BC2E282C73FAEAD0A6DD3
SHA256:95B0A5ACC5BF70D3ABDFD091D0C9F9063AA4FDE65BD34DBF16786082E1992E72
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
4
DNS requests
3
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3220
FanManagenmentSystem.exe
GET
200
23.216.77.80:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?db0057b36ee58a11
US
compressed
61.1 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3220
FanManagenmentSystem.exe
194.49.94.22:3306
—
Enes Koken
DE
malicious
3220
FanManagenmentSystem.exe
173.231.16.76:443
api.ipify.org
WEBNX
US
malicious
3220
FanManagenmentSystem.exe
195.201.57.90:443
ipwho.is
Hetzner Online GmbH
DE
suspicious
3220
FanManagenmentSystem.exe
23.216.77.80:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
suspicious

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 23.216.77.80
  • 23.216.77.69
whitelisted
ipwho.is
  • 195.201.57.90
suspicious
api.ipify.org
  • 173.231.16.76
  • 64.185.227.155
  • 104.237.62.211
shared

Threats

PID
Process
Class
Message
3220
FanManagenmentSystem.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
3220
FanManagenmentSystem.exe
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
—
—
Potentially Bad Traffic
ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is)
1 ETPRO signatures available at the full report
No debug info
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ANY.RUN
Reports
RUN-ME-FIRST.exe