quasar | 56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 04:33

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General

Target

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe
Size

1.4MB
MD5

abbfb2b5ebf6a24eef7269bde8e80640
SHA1

99be0b33db303c353262f43d7c2e43a03b5e7b65
SHA256

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10
SHA512

2dedaec26edd4e9b23b31bdab83fabd88884da7958f4e7611fb7667cd3ddc6a795cf7b1b79abcf0c6f13b03ac74763532705e316742f1052a1a5f6e5bb92dd6d
SSDEEP

12288:b/bzOGnF/lx54LOaJleaqIs/eBj52DYWQNwF/zsjVODN/B:bmGLZmx5gYWRaYJ/

Score

10^/10

quasar man discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

man

new-visit.com:3791

Mutex

3302836a-f2f9-4646-981e-42b54ed610dd

Attributes

encryption_key
C058A6A166AF85C9027394334AA2BDC41A9B7D9C
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4912-1098-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

description pid process target process

PID 3120 created 3408 3120 56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe Explorer.EXE

description	pid	process	target process
PID 3120 created 3408	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	Explorer.EXE

Drops startup file 1 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MaxGeneration.vbs	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

description	pid	process	target process
PID 3120 set thread context of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exeInstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

pid process

3120 56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

pid	process
3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe
Token: SeDebugPrivilege	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe
Token: SeDebugPrivilege	4912	InstallUtil.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

InstallUtil.exe

pid process

4912 InstallUtil.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

InstallUtil.exe

pid process

4912 InstallUtil.exe

pid	process
4912	InstallUtil.exe

pid	process
4912	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe

description	pid	process	target process
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe
PID 3120 wrote to memory of 4912	3120	56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3408
- C:\Users\Admin\AppData\Local\Temp\56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe
  "C:\Users\Admin\AppData\Local\Temp\56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3120
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3120-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/3120-1-0x0000000000C00000-0x0000000000D70000-memory.dmp

Filesize
1.4MB

Download
memory/3120-2-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-3-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/3120-4-0x0000000006AF0000-0x0000000006CFC000-memory.dmp

Filesize
2.0MB

Download
memory/3120-5-0x0000000007330000-0x00000000078D4000-memory.dmp

Filesize
5.6MB

Download
memory/3120-6-0x0000000006E70000-0x0000000006F02000-memory.dmp

Filesize
584KB

Download
memory/3120-7-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-12-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-20-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-46-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-50-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/3120-65-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-71-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-69-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-67-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-63-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-61-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-59-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-57-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-55-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-53-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-51-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-48-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-44-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-42-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-40-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-38-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-36-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-34-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-32-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-30-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-28-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-26-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-24-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-22-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-18-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-16-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-10-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-8-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-14-0x0000000006AF0000-0x0000000006CF6000-memory.dmp

Filesize
2.0MB

Download
memory/3120-96-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-1083-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-1084-0x0000000006F30000-0x00000000070AE000-memory.dmp

Filesize
1.5MB

Download
memory/3120-1085-0x0000000006D00000-0x0000000006D4C000-memory.dmp

Filesize
304KB

Download
memory/3120-1089-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-1090-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-1091-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3120-1092-0x0000000006E20000-0x0000000006E74000-memory.dmp

Filesize
336KB

Download
memory/3120-1097-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4912-1096-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4912-1098-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/4912-1099-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4912-1100-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/4912-1101-0x0000000006C90000-0x00000000072A8000-memory.dmp

Filesize
6.1MB

Download
memory/4912-1102-0x0000000006820000-0x0000000006870000-memory.dmp

Filesize
320KB

Download
memory/4912-1103-0x0000000006A80000-0x0000000006B32000-memory.dmp

Filesize
712KB

Download
memory/4912-1104-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download