quasar | d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 11:54

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General

Target

d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
Size

3.1MB
MD5

f611f4dd12e51ca7a946f308ebd5e04c
SHA1

2f7d049ec2b3ae6a8113b499d92ebc117eed890c
SHA256

d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73
SHA512

7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83
SSDEEP

49152:rvuz92YpaQI6oPZlhP3ReybewozV+vJH4RoGdeJYTHHB72eh2NT:rv092YpaQI6oPZlhP3YybewozV+e

Score

10^/10

quasar sgvp discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SGVP

192.168.1.9:4782

150.129.206.176:4782

Ai-Sgvp-33452.portmap.host:33452

Mutex

a27420c6-f346-4b84-b7bd-6b3eab5a43cb

Attributes

encryption_key
09BBDA8FF0524296F02F8F81158F33C0AA74D487
install_name
User Application Data.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Windowns Client Startup
subdirectory
Quasar

Signatures

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

Quasar payload 4 IoCs

resource	yara_rule
behavioral1/memory/2500-1-0x0000000001090000-0x00000000013B4000-memory.dmp	family_quasar
behavioral1/files/0x0008000000015d0e-6.dat	family_quasar
behavioral1/memory/1172-9-0x00000000013A0000-0x00000000016C4000-memory.dmp	family_quasar
behavioral1/memory/1784-34-0x0000000000130000-0x0000000000454000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
1172	User Application Data.exe
1636	User Application Data.exe
1784	User Application Data.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\Quasar	User Application Data.exe
File created	C:\Windows\system32\Quasar\User Application Data.exe	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
File opened for modification	C:\Windows\system32\Quasar\User Application Data.exe	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
File opened for modification	C:\Windows\system32\Quasar	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
File opened for modification	C:\Windows\system32\Quasar\User Application Data.exe	User Application Data.exe
File opened for modification	C:\Windows\system32\Quasar	User Application Data.exe
File opened for modification	C:\Windows\system32\Quasar\User Application Data.exe	User Application Data.exe
File opened for modification	C:\Windows\system32\Quasar	User Application Data.exe
File opened for modification	C:\Windows\system32\Quasar\User Application Data.exe	User Application Data.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1676	PING.EXE
2024	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
1676	PING.EXE
2024	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2480	schtasks.exe
2680	schtasks.exe
1440	schtasks.exe
1312	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
Token: SeDebugPrivilege	1172	User Application Data.exe
Token: SeDebugPrivilege	1636	User Application Data.exe
Token: SeDebugPrivilege	1784	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1172	User Application Data.exe
1636	User Application Data.exe
1784	User Application Data.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2480	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 2500 wrote to memory of 2480	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 2500 wrote to memory of 2480	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 2500 wrote to memory of 1172	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	33
PID 2500 wrote to memory of 1172	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	33
PID 2500 wrote to memory of 1172	2500	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	33
PID 1172 wrote to memory of 2680	1172	User Application Data.exe	34
PID 1172 wrote to memory of 2680	1172	User Application Data.exe	34
PID 1172 wrote to memory of 2680	1172	User Application Data.exe	34
PID 1172 wrote to memory of 2996	1172	User Application Data.exe	36
PID 1172 wrote to memory of 2996	1172	User Application Data.exe	36
PID 1172 wrote to memory of 2996	1172	User Application Data.exe	36
PID 2996 wrote to memory of 3016	2996	cmd.exe	38
PID 2996 wrote to memory of 3016	2996	cmd.exe	38
PID 2996 wrote to memory of 3016	2996	cmd.exe	38
PID 2996 wrote to memory of 1676	2996	cmd.exe	39
PID 2996 wrote to memory of 1676	2996	cmd.exe	39
PID 2996 wrote to memory of 1676	2996	cmd.exe	39
PID 2996 wrote to memory of 1636	2996	cmd.exe	40
PID 2996 wrote to memory of 1636	2996	cmd.exe	40
PID 2996 wrote to memory of 1636	2996	cmd.exe	40
PID 1636 wrote to memory of 1440	1636	User Application Data.exe	41
PID 1636 wrote to memory of 1440	1636	User Application Data.exe	41
PID 1636 wrote to memory of 1440	1636	User Application Data.exe	41
PID 1636 wrote to memory of 2516	1636	User Application Data.exe	44
PID 1636 wrote to memory of 2516	1636	User Application Data.exe	44
PID 1636 wrote to memory of 2516	1636	User Application Data.exe	44
PID 2516 wrote to memory of 2216	2516	cmd.exe	46
PID 2516 wrote to memory of 2216	2516	cmd.exe	46
PID 2516 wrote to memory of 2216	2516	cmd.exe	46
PID 2516 wrote to memory of 2024	2516	cmd.exe	47
PID 2516 wrote to memory of 2024	2516	cmd.exe	47
PID 2516 wrote to memory of 2024	2516	cmd.exe	47
PID 2516 wrote to memory of 1784	2516	cmd.exe	48
PID 2516 wrote to memory of 1784	2516	cmd.exe	48
PID 2516 wrote to memory of 1784	2516	cmd.exe	48
PID 1784 wrote to memory of 1312	1784	User Application Data.exe	49
PID 1784 wrote to memory of 1312	1784	User Application Data.exe	49
PID 1784 wrote to memory of 1312	1784	User Application Data.exe	49

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
"C:\Users\Admin\AppData\Local\Temp\d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Windows\system32\Quasar\User Application Data.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2480
- C:\Windows\system32\Quasar\User Application Data.exe
  "C:\Windows\system32\Quasar\User Application Data.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Windows\system32\Quasar\User Application Data.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2680
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\qp5X0WrK8UX8.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:3016
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1676
  - - C:\Windows\system32\Quasar\User Application Data.exe
      "C:\Windows\system32\Quasar\User Application Data.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Windows\system32\schtasks.exe
        
        "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Windows\system32\Quasar\User Application Data.exe" /rl HIGHEST /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1440
    - - C:\Windows\system32\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\Rld7zzRpFvV6.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2516
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2216
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2024
      - C:\Windows\system32\Quasar\User Application Data.exe
        
        "C:\Windows\system32\Quasar\User Application Data.exe"
        6⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1784
        
        C:\Windows\system32\schtasks.exe
        
        "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Windows\system32\Quasar\User Application Data.exe" /rl HIGHEST /f
        7⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Rld7zzRpFvV6.bat

Filesize
211B

MD5
8d7c6cb42aad91799707c69b713e93c3

SHA1
2863fb5cf331f2c9d808b3b9916ed214daccf0a5

SHA256
28fcacc2b3c04b51fe7f8474fc25490577c6fdc630d7a84cba7d7c315480043f

SHA512
e0606304b215e9f56dee7fe37d6e333a6851c71cb9adf885fc83abdeba066cceb6ee4174460a3262b36b35947dc1c12be345ba3c4844ee494651c6aced7df13d

Download Submit
C:\Users\Admin\AppData\Local\Temp\qp5X0WrK8UX8.bat

Filesize
211B

MD5
b1bb5d855e3eb0eb08d105121774ed5a

SHA1
de237e32724df669847475dfdeefcc520ab3c8e5

SHA256
e0a3d8089810b106d7c8f8b6c1eb862f3be2fea55cfc875b13bc519091c40e25

SHA512
dd53ceb3bc8114b2eece478f623acdfae68bd395fba364f98d6ad0e52da28ebd0ab1cd2a4854236c15f9be1e16ae6610d93317d40762828c061aa4678dfbe28f

Download Submit
C:\Windows\System32\Quasar\User Application Data.exe

Filesize
3.1MB

MD5
f611f4dd12e51ca7a946f308ebd5e04c

SHA1
2f7d049ec2b3ae6a8113b499d92ebc117eed890c

SHA256
d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

SHA512
7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83

Download Submit
memory/1172-8-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/1172-9-0x00000000013A0000-0x00000000016C4000-memory.dmp

Filesize
3.1MB

Download
memory/1172-11-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/1172-12-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/1172-22-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/1784-34-0x0000000000130000-0x0000000000454000-memory.dmp

Filesize
3.1MB

Download
memory/2500-0-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

Filesize
4KB

Download
memory/2500-10-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2500-2-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2500-1-0x0000000001090000-0x00000000013B4000-memory.dmp

Filesize
3.1MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads