File name:

Kirath.exe

Full analysis: https://app.any.run/tasks/c532e23e-bd76-46a7-8771-aa6a9e4e8cca
Verdict: Malicious activity
Analysis date: May 21, 2022, 10:10:15
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

569D86BE7A5FDFE9371B48658C77565F

SHA1:

DDA8A76250B19BAC6184C92B5E56F364798740A1

SHA256:

F8DDC849B27DF29FC881F9476218ED6160BC4434DE61EFF31A7BF325767B3A81

SSDEEP:

98304:UYQf3s64R9ybzUcwti78OqJ7TPBF3ZlHHgkWJ0P39qXSaDvm:UtzUcwti7TQlF3ZxxWJSUnDvm

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 executable file immediately after starts

      • RtkBtManServ.exe (PID: 2660)
      • Kirath.exe (PID: 3080)
    • Application was dropped or rewritten from another process

      • RtkBtManServ.exe (PID: 2660)
  • SUSPICIOUS

    • Checks supported languages

      • Kirath.exe (PID: 3080)
      • RtkBtManServ.exe (PID: 2660)
    • Executable content was dropped or overwritten

      • Kirath.exe (PID: 3080)
      • RtkBtManServ.exe (PID: 2660)
    • Reads the computer name

      • Kirath.exe (PID: 3080)
      • RtkBtManServ.exe (PID: 2660)
    • Drops a file with a compile date too recent

      • Kirath.exe (PID: 3080)
      • RtkBtManServ.exe (PID: 2660)
    • Reads Environment values

      • RtkBtManServ.exe (PID: 2660)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (24.9)
.exe | Win32 Executable MS Visual C++ (generic) (18)
.exe | Win64 Executable (generic) (15.9)
.exe | UPX compressed Win32 Executable (15.6)
.exe | Win32 EXE Yoda's Crypter (15.3)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
OriginalFileName: Obfuscated Name.exe
LegalCopyright:
InternalName: Obfuscated Name.exe
FileVersion: 1.0.0.0
FileDescription:
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x49a00a
UninitializedDataSize: -
InitializedDataSize: 10240
CodeSize: 4790784
LinkerVersion: 11
PEType: PE32
TimeStamp: 2022:04:27 21:27:54+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 27-Apr-2022 19:27:54
FileDescription: -
FileVersion: 1.0.0.0
InternalName: Obfuscated Name.exe
LegalCopyright: -
OriginalFilename: Obfuscated Name.exe
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 27-Apr-2022 19:27:54
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
P\x07:rbx"2\x9c\x1f
0x00002000
0x00001F9C
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.9771
.text
0x00004000
0x004916E0
0x00491800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.81961
.rsrc
0x00496000
0x000004F0
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.77427
.reloc
0x00498000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0980042
0x0049A000
0x00000010
0x00000200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
0.698402

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

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

Behavior graph

Click at the process to see the details
drop and start start kirath.exe rtkbtmanserv.exe

Process information

PID
CMD
Path
Indicators
Parent process
2660"C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs4Lo7KlLMDQYobxuYtl7Hv3G/RoOJvC1TO4KGIh+FU/6yErmBl+FqlDiJewq4AIt4FOpniRifN2/kX0vvKa2R2nQSJmsmuXDFDDeYclDKSdqeV5s6/1IPXmShTTYUEA2nA=C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe
Kirath.exe
User:
admin
Integrity Level:
MEDIUM
Description:
RtkBtManServ
Exit code:
3762504530
Version:
1.0.0.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\local\temp\rtkbtmanserv.exe
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
3080"C:\Users\admin\AppData\Local\Temp\Kirath.exe" C:\Users\admin\AppData\Local\Temp\Kirath.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\kirath.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
801
Read events
793
Write events
8
Delete events
0

Modification events

(PID) Process:(3080) Kirath.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3080) Kirath.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3080) Kirath.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3080) Kirath.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
7
Suspicious files
17
Text files
4
Unknown types
2

Dropped files

PID
Process
Filename
Type
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.costura.dll.compressedbinary
MD5:DFA70BBC35ACCB7617E8CF6E310E0846
SHA256:EC3F2D2CB63B06A7FF7FE3559F8E6776D16496500351DA3793C626DDE2BDDF0C
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\bfsvc.exeexecutable
MD5:899D3ED011EB58459B8A4FC2B81F0924
SHA256:5E3F311AE67F046B56435067BCDD39FBF836FA0421FBC8C8B0E43E8E47524954
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\winhlp32.exeexecutable
MD5:A776E68F497C996788B406A3DC5089EB
SHA256:071E26DDF5323DD9ED6671BCDE89DF73D78BAC2336070E6CB9E3E4B93BDE78D1
3080Kirath.exeC:\Users\admin\AppData\Local\Temp\RtkBtManServ.exeexecutable
MD5:3405F654559010CA2AE38D786389F0F1
SHA256:BC1364D8E68F515F9F35A6B41C11A649B1F514302EB01812C68C9A95A3198B30
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\splwow64.exeexecutable
MD5:0D8360781E488E250587A17FBEFA646C
SHA256:EBFF7D07EFDA7245192CE6ECD7767578152B515B510C887CA2880A2566071F64
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\xwizard.cfgtext
MD5:AE8EED5A6B1470AEC0E7FECE8B0669EF
SHA256:3F6CA2BC068C8436044DAAB867F8FF8F75060048B29882CB2AC9FDEF1800DF9E
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.bouncycastle.crypto.dll.compressedgax
MD5:891A7BA65F8AA91C477E29A2FBD3DF36
SHA256:7A5ECDDEFB79248179900E0F8A601FE7A5E41116B158450F21CA33695DFB492A
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\xwizard.exeexecutable
MD5:DF991217F1CFADD9ACFA56F878DA5EE7
SHA256:DEB1246347CE88E8CDD63A233A64BC2090B839F2D933A3097A2FD8FD913C4112
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.discord.net.core.dll.compressedbinary
MD5:4104898CA34FEBB688ED63812EFE8CF4
SHA256:265850B1887F252E04C54F81EF872587B3CFD66B0D708621D2520BC6D4BBDCAC
2660RtkBtManServ.exeC:\Users\admin\AppData\Local\Temp\costura.costura.pdb.compressedbinary
MD5:83629AAAE5522362C363DF0B81AB376E
SHA256:8328D14D5408BE21AD3F109EA2CD31DB3EC1BB11B35355635340E6A8F9D48813
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info