Malware Analysis Report

2024-11-30 12:35

Sample ID 231021-chdzjseb74
Target GraveYard.Client.rar
SHA256 c597e0fc16402b1e4d03969819fa2c30ecc1e9969da2f688251a7d32f9214e77
Tags
pyinstaller pysilon quasar spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c597e0fc16402b1e4d03969819fa2c30ecc1e9969da2f688251a7d32f9214e77

Threat Level: Known bad

The file GraveYard.Client.rar was found to be: Known bad.

Malicious Activity Summary

pyinstaller pysilon quasar spyware trojan

Detect Pysilon

Pysilon family

Quasar family

Quasar payload

Quasar RAT

Detects Pyinstaller

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-21 02:04

Signatures

Detect Pysilon

Description Indicator Process Target
N/A N/A N/A N/A

Pysilon family

pysilon

Quasar family

quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A

Detects Pyinstaller

pyinstaller
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-21 02:04

Reported

2023-10-21 02:08

Platform

win10-20231020-en

Max time kernel

17s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe

"C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe"

Network

N/A

Files

memory/3748-0-0x0000000000170000-0x000000000049A000-memory.dmp

memory/3748-1-0x00007FFDEE3C0000-0x00007FFDEEDAC000-memory.dmp

memory/3748-3-0x000000001B050000-0x000000001B060000-memory.dmp

memory/3748-4-0x00007FFDEE3C0000-0x00007FFDEEDAC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-21 02:04

Reported

2023-10-21 02:37

Platform

win10v2004-20230915-en

Max time kernel

1430s

Max time network

1468s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe

"C:\Users\Admin\AppData\Local\Temp\GraveYard.Client\mods\configs\client.exe"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 135.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4300-0-0x0000000000BB0000-0x0000000000EDA000-memory.dmp

memory/4300-1-0x00007FFC7AE00000-0x00007FFC7B8C1000-memory.dmp

memory/4300-2-0x000000001BC70000-0x000000001BC80000-memory.dmp

memory/4300-4-0x00007FFC7AE00000-0x00007FFC7B8C1000-memory.dmp

memory/3212-5-0x00000183064B0000-0x00000183064C0000-memory.dmp

memory/3212-21-0x00000183065B0000-0x00000183065C0000-memory.dmp

memory/3212-37-0x000001830EBA0000-0x000001830EBA1000-memory.dmp

memory/3212-38-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-39-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-40-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-41-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-42-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-43-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-44-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-45-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-46-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-47-0x000001830EBD0000-0x000001830EBD1000-memory.dmp

memory/3212-48-0x000001830E7F0000-0x000001830E7F1000-memory.dmp

memory/3212-49-0x000001830E7E0000-0x000001830E7E1000-memory.dmp

memory/3212-51-0x000001830E7F0000-0x000001830E7F1000-memory.dmp

memory/3212-54-0x000001830E7E0000-0x000001830E7E1000-memory.dmp

memory/3212-57-0x000001830E720000-0x000001830E721000-memory.dmp

memory/3212-71-0x000001830E930000-0x000001830E931000-memory.dmp

memory/3212-73-0x000001830EA40000-0x000001830EA41000-memory.dmp

memory/3212-72-0x000001830E930000-0x000001830E931000-memory.dmp

memory/3212-69-0x000001830E920000-0x000001830E921000-memory.dmp

C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

MD5 58192a3c960947a993650260132d880a
SHA1 0b5a7ea5f13715391f09584b7fa2b6a0679e2fbb
SHA256 c8fbf71b9c54afedd6cb6160c793257cfeefe72a27300e0bd4d0fa44d4a16f96
SHA512 999a64982cc1ec5a2c65c299ccbacfad2be776c9783980c6360de6c58ff81fbcb0dc95748fa4133a79bfa793b5c584f9dc2f329cffdd8e1904413f71082dd9a4