File name:

SLAYER Leecher v0.6.exe

Full analysis: https://app.any.run/tasks/12ffd319-25b1-43fb-8217-025d8488a932
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: July 02, 2022, 19:08:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
quasar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

342FD6710BEBAF20040FBCF62B1B301E

SHA1:

1D8C2F97717B1672F025D0373CF714EAAA36931B

SHA256:

9BF83374E34610453CEE72D78100B4FA5DD10A46E5254DBB071DBB58EDE2D121

SSDEEP:

6144:ETEgdc0YAebGbXOsA6j1Rdh7nfsmJMeCI5EtqV+yw45UcECOb8F9EdPl6p/cTR3c:ETEgdfYmA6rfsbB4IywtypOdN6Zcdc

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

      • SLAYER Leecher v0.6.exe (PID: 2928)
      • DNS Config.exe (PID: 3332)
    • Drops executable file immediately after starts

      • SLAYER Leecher v0.6.exe (PID: 2928)
    • QUASAR detected by memory dumps

      • DNS Config.exe (PID: 3332)
  • SUSPICIOUS

    • Checks supported languages

      • SLAYER Leecher v0.6.exe (PID: 2928)
      • DNS Config.exe (PID: 3332)
    • Reads the computer name

      • SLAYER Leecher v0.6.exe (PID: 2928)
      • DNS Config.exe (PID: 3332)
    • Reads Environment values

      • SLAYER Leecher v0.6.exe (PID: 2928)
      • DNS Config.exe (PID: 3332)
    • Executable content was dropped or overwritten

      • SLAYER Leecher v0.6.exe (PID: 2928)
    • Creates files in the user directory

      • SLAYER Leecher v0.6.exe (PID: 2928)
    • Starts itself from another location

      • SLAYER Leecher v0.6.exe (PID: 2928)
    • Drops a file with a compile date too recent

      • SLAYER Leecher v0.6.exe (PID: 2928)
  • INFO

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

Quasar

(PID) Process(3332) DNS Config.exe
Version1.4.0
C2 (2)192.168.0.226:4782
Sub_DirSubDir
Install_NameDNS Config.exe
Mutex72d3863e-f81a-4deb-8a9a-8e38ad98a631
StartupWindows DNS Router Client
TagWindows Host Process
LogDirLogs
SignatureZ59xNXm+yANcqKH9DhG/P71uzS9zPCmuDyhdFQ47VyGjCjA1Ju43XenjBHL0z8noHVEEtlByfsxkHqiH4cAJzthMI5vWlC7R2cP5I4RgEZcbUtPBkY+8uRjtyorY0mOXQlyDVPJGTJL3ygSV1cGdtn2qxypC/TKpVTSfVBC+9+N/nwciMgWlrDdUVxKRGqdnoSY0vRaE1NN3TSzaR8FiaLjPuECMlIivHYIZaI5n7f2ceh0swJUrUILhyvD1Rwecm9YMzIn+iHS6zlsZ7EpGJtXrTG5+IpSP1n9eRXh3+ixo...
CertificateMIIE9DCCAtygAwIBAgIQAMD43C1ct+GPD6HJS/EK+zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIxMDYxMzIzMDIwM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAikFVph/JFMBS7Uz/rRasnMQ+YxRwlXDw/ubeftrVL2z7tCAp+Zd1EwqyzMtcDWVgMj5ExNXa...
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: 0.6.0.0
ProductVersion: 0.6.0.0
ProductName: SLAYER LEECHER v0.6
OriginalFileName: SLAYER LEECHER
LegalTrademarks: SLAYER
LegalCopyright: SLAYER
InternalName: SLAYER LEECHER
FileVersion: 0.6.0.0
FileDescription: SLAYER LEECHER
CompanyName: SLAYER
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.6.0.0
FileVersionNumber: 0.6.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x7e7ce
UninitializedDataSize: -
InitializedDataSize: 3584
CodeSize: 509952
LinkerVersion: 8
PEType: PE32
TimeStamp: 2020:06:05 17:59:49+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Jun-2020 15:59:49
Comments: -
CompanyName: SLAYER
FileDescription: SLAYER LEECHER
FileVersion: 0.6.0.0
InternalName: SLAYER LEECHER
LegalCopyright: SLAYER
LegalTrademarks: SLAYER
OriginalFilename: SLAYER LEECHER
ProductName: SLAYER LEECHER v0.6
ProductVersion: 0.6.0.0
Assembly Version: 0.6.0.0

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: 3
Time date stamp: 05-Jun-2020 15:59:49
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
0x0007C7D4
0x0007C800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.16622
.rsrc
0x00080000
0x00000AC0
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.26211
.reloc
0x00082000
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
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start slayer leecher v0.6.exe #QUASAR dns config.exe

Process information

PID
CMD
Path
Indicators
Parent process
2928"C:\Users\admin\AppData\Local\Temp\SLAYER Leecher v0.6.exe" C:\Users\admin\AppData\Local\Temp\SLAYER Leecher v0.6.exe
Explorer.EXE
User:
admin
Company:
SLAYER
Integrity Level:
MEDIUM
Description:
SLAYER LEECHER
Exit code:
0
Version:
0.6.0.0
Modules
Images
c:\users\admin\appdata\local\temp\slayer leecher v0.6.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
3332"C:\Users\admin\AppData\Roaming\SubDir\DNS Config.exe"C:\Users\admin\AppData\Roaming\SubDir\DNS Config.exe
SLAYER Leecher v0.6.exe
User:
admin
Company:
SLAYER
Integrity Level:
MEDIUM
Description:
SLAYER LEECHER
Exit code:
0
Version:
0.6.0.0
Modules
Images
c:\users\admin\appdata\roaming\subdir\dns config.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
Quasar
(PID) Process(3332) DNS Config.exe
Version1.4.0
C2 (2)192.168.0.226:4782
Sub_DirSubDir
Install_NameDNS Config.exe
Mutex72d3863e-f81a-4deb-8a9a-8e38ad98a631
StartupWindows DNS Router Client
TagWindows Host Process
LogDirLogs
SignatureZ59xNXm+yANcqKH9DhG/P71uzS9zPCmuDyhdFQ47VyGjCjA1Ju43XenjBHL0z8noHVEEtlByfsxkHqiH4cAJzthMI5vWlC7R2cP5I4RgEZcbUtPBkY+8uRjtyorY0mOXQlyDVPJGTJL3ygSV1cGdtn2qxypC/TKpVTSfVBC+9+N/nwciMgWlrDdUVxKRGqdnoSY0vRaE1NN3TSzaR8FiaLjPuECMlIivHYIZaI5n7f2ceh0swJUrUILhyvD1Rwecm9YMzIn+iHS6zlsZ7EpGJtXrTG5+IpSP1n9eRXh3+ixo...
CertificateMIIE9DCCAtygAwIBAgIQAMD43C1ct+GPD6HJS/EK+zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIxMDYxMzIzMDIwM1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAikFVph/JFMBS7Uz/rRasnMQ+YxRwlXDw/ubeftrVL2z7tCAp+Zd1EwqyzMtcDWVgMj5ExNXa...
Total events
583
Read events
553
Write events
30
Delete events
0

Modification events

(PID) Process:(2928) SLAYER Leecher v0.6.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2928) SLAYER Leecher v0.6.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows DNS Router Client
Value:
"C:\Users\admin\AppData\Local\Temp\SLAYER Leecher v0.6.exe"
(PID) Process:(3332) DNS Config.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3332) DNS Config.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows DNS Router Client
Value:
"C:\Users\admin\AppData\Roaming\SubDir\DNS Config.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2928SLAYER Leecher v0.6.exeC:\Users\admin\AppData\Roaming\SubDir\DNS Config.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
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

PID
Process
IP
Domain
ASN
CN
Reputation
192.168.100.207:55161
malicious
192.168.100.207:55790
malicious
192.168.100.207:55483
malicious
192.168.100.207:56112
malicious
192.168.100.207:54827
malicious

DNS requests

No data

Threats

No threats detected
No debug info