File name:

EthDcrMiner64.exe

Full analysis: https://app.any.run/tasks/2f63c6b0-096d-46c2-bff3-2d2dd3b430c8
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Analysis date: September 10, 2020, 04:21:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
autoit
evasion
trojan
rat
quasar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

A6E5696EC0178A7F936929B2181CB63E

SHA1:

D021D1D3D965565DF18B428DF9597BB1E797C563

SHA256:

19EB3836A8CA597961A35AF3A72F4FF6AA2D8FE4AB76385CEB38BCB5474BF6FD

SSDEEP:

49152:6QjBfbiyrIDovj6lrBlCuY4BnJ1MFWH3zUVUdyJ5jtd:l9rIkLEr/sAJq8XNdybtd

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

    • Writes to a start menu file

      • taskhost.com (PID: 4000)
    • Application was dropped or rewritten from another process

      • taskhost.com (PID: 2800)
      • taskhost.com (PID: 4000)
    • Runs PING.EXE for delay simulation

      • cmd.exe (PID: 3848)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 3832)
    • QUASAR was detected

      • RegAsm.exe (PID: 3832)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • EthDcrMiner64.exe (PID: 2604)
    • Executable content was dropped or overwritten

      • cmd.exe (PID: 3848)
      • taskhost.com (PID: 4000)
    • Application launched itself

      • taskhost.com (PID: 2800)
    • Starts CertUtil for decode files

      • cmd.exe (PID: 3848)
    • Drop AutoIt3 executable file

      • cmd.exe (PID: 3848)
      • taskhost.com (PID: 4000)
    • Starts application with an unusual extension

      • cmd.exe (PID: 3848)
      • taskhost.com (PID: 2800)
    • Creates files in the user directory

      • taskhost.com (PID: 4000)
      • RegAsm.exe (PID: 3832)
    • Checks for external IP

      • RegAsm.exe (PID: 3832)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • certutil.exe (PID: 280)
      • taskhost.com (PID: 4000)
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) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2013:10:14 07:50:27+02:00
PEType: PE32
LinkerVersion: 11
CodeSize: 26112
InitializedDataSize: 2014720
UninitializedDataSize: -
EntryPoint: 0x67cc
OSVersion: 6.3
ImageVersion: 6.3
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 5.1.47.51
ProductVersionNumber: 5.1.47.51
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: German
CharacterSet: Unicode
Comments: They Left Software
CompanyName: They Left Software
FileDescription: They Left Software
LegalCopyright: They Left Software
LegalTrademarks: They Left Software
ProductName: They Left Software
FileVersion: 5.1.4751
ProductVersion: 5.1.4751
InternalName: They Left
OriginalFileName: They Left.exe

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 14-Oct-2013 05:50:27
Detected languages:
  • English - United States
  • German - Germany
  • Russian - Russia
Debug artifacts:
  • wextract.pdb
Comments: They Left Software
CompanyName: They Left Software
FileDescription: They Left Software
LegalCopyright: They Left Software
LegalTrademarks: They Left Software
ProductName: They Left Software
FileVersion: 5.1.4751
ProductVersion: 5.1.4751
InternalName: They Left
OriginalFilename: They Left.exe

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 14-Oct-2013 05:50:27
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
0x00001000
0x000065CC
0x00006600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.3849
.data
0x00008000
0x00001A8C
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.17593
.idata
0x0000A000
0x00001078
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.04858
.rsrc
0x0000C000
0x001E92B3
0x001E9400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.85885
.reloc
0x001F6000
0x000013AE
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
3.72277

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.05393
1511
Latin 1 / Western European
English - United States
RT_MANIFEST
2
7.93152
4886
UNKNOWN
English - United States
RT_ICON
3
1.02688
9640
UNKNOWN
English - United States
RT_ICON
4
1.21936
4264
UNKNOWN
English - United States
RT_ICON
5
0.714731
67624
UNKNOWN
English - United States
RT_ICON
6
0.897366
16936
UNKNOWN
English - United States
RT_ICON
63
3.37777
134
Latin 1 / Western European
Russian - Russia
RT_STRING
76
3.71806
1326
Latin 1 / Western European
Russian - Russia
RT_STRING
77
3.99175
1426
Latin 1 / Western European
Russian - Russia
RT_STRING
80
3.95581
1202
Latin 1 / Western European
Russian - Russia
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
Cabinet.dll
GDI32.dll
KERNEL32.dll
USER32.dll
VERSION.dll
msvcrt.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
7
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start ethdcrminer64.exe no specs cmd.exe certutil.exe no specs taskhost.com no specs taskhost.com ping.exe no specs #QUASAR regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
280certutil -decode BPe.com p C:\Windows\system32\certutil.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
CertUtil.exe
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\certutil.exe
c:\systemroot\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\certcli.dll
c:\windows\system32\atl.dll
2604"C:\Users\admin\AppData\Local\Temp\EthDcrMiner64.exe" C:\Users\admin\AppData\Local\Temp\EthDcrMiner64.exeexplorer.exe
User:
admin
Company:
They Left Software
Integrity Level:
MEDIUM
Description:
They Left Software
Exit code:
0
Version:
5.1.4751
Modules
Images
c:\users\admin\appdata\local\temp\ethdcrminer64.exe
c:\systemroot\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\gdi32.dll
c:\windows\system32\user32.dll
2800taskhost.com p C:\Users\admin\AppData\Local\Temp\IXP000.TMP\taskhost.comcmd.exe
User:
admin
Company:
AutoIt Team
Integrity Level:
MEDIUM
Description:
AutoIt v3 Script (Beta)
Exit code:
0
Version:
3, 3, 15, 3
Modules
Images
c:\users\admin\appdata\local\temp\ixp000.tmp\taskhost.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
3076ping 127.0.0.1 -n 30C:\Windows\system32\PING.EXEcmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
TCP/IP Ping Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ping.exe
c:\systemroot\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\iphlpapi.dll
c:\windows\system32\nsi.dll
3832C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
taskhost.com
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.7.3062.0 built by: NET472REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\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\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3848cmd /c <nul set /p ="M" > taskhost.com & type PfzoT.com >> taskhost.com & del PfzoT.com & certutil -decode BPe.com p & taskhost.com p & ping 127.0.0.1 -n 30C:\Windows\system32\cmd.exe
EthDcrMiner64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
4000C:\Users\admin\AppData\Local\Temp\IXP000.TMP\taskhost.com p C:\Users\admin\AppData\Local\Temp\IXP000.TMP\taskhost.com
taskhost.com
User:
admin
Company:
AutoIt Team
Integrity Level:
MEDIUM
Description:
AutoIt v3 Script (Beta)
Exit code:
0
Version:
3, 3, 15, 3
Modules
Images
c:\users\admin\appdata\local\temp\ixp000.tmp\taskhost.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
Total events
68
Read events
55
Write events
13
Delete events
0

Modification events

(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3832) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
2
Suspicious files
4
Text files
6
Unknown types
0

Dropped files

PID
Process
Filename
Type
2604EthDcrMiner64.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\PfzoT.com
MD5:
SHA256:
2604EthDcrMiner64.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\BPe.comtext
MD5:
SHA256:
2604EthDcrMiner64.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\tXidZ.combinary
MD5:
SHA256:
280certutil.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\ptext
MD5:
SHA256:
2604EthDcrMiner64.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\fGAHsOY.combinary
MD5:
SHA256:
4000taskhost.comC:\Users\admin\AppData\Roaming\url\tXidZ.combinary
MD5:
SHA256:
4000taskhost.comC:\Users\admin\AppData\Roaming\url\MQPaQqtext
MD5:
SHA256:
4000taskhost.comC:\Users\admin\AppData\Roaming\url\jlYjLxttW.vbstext
MD5:
SHA256:
4000taskhost.comC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\url.urltext
MD5:
SHA256:
3832RegAsm.exeC:\Users\admin\AppData\Roaming\Logs\09-10-2020text
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3832
RegAsm.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
text
347 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3832
RegAsm.exe
208.95.112.1:80
ip-api.com
IBURST
malicious
45.128.150.38:222
suspicious

DNS requests

Domain
IP
Reputation
jmCPzqteYJRAMSz.jmCPzqteYJRAMSz
unknown
ip-api.com
  • 208.95.112.1
malicious

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
A Network Trojan was detected
REMOTE [PTsecurity] Quasar.RAT IP Lookup
1 ETPRO signatures available at the full report
No debug info