quasar | d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

Analysis

max time kernel
146s
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 11:58

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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 5 IoCs

resource	yara_rule
behavioral1/memory/1936-1-0x0000000000250000-0x0000000000574000-memory.dmp	family_quasar
behavioral1/files/0x0007000000018b62-6.dat	family_quasar
behavioral1/memory/2596-10-0x00000000002F0000-0x0000000000614000-memory.dmp	family_quasar
behavioral1/memory/1704-24-0x0000000000D70000-0x0000000001094000-memory.dmp	family_quasar
behavioral1/memory/2012-35-0x00000000003C0000-0x00000000006E4000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
2596	User Application Data.exe
1704	User Application Data.exe
2012	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	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
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
File opened for modification	C:\Windows\system32\Quasar	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
1692	PING.EXE
1652	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
1652	PING.EXE
1692	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
3008	schtasks.exe
2756	schtasks.exe
2840	schtasks.exe
1712	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
Token: SeDebugPrivilege	2596	User Application Data.exe
Token: SeDebugPrivilege	1704	User Application Data.exe
Token: SeDebugPrivilege	2012	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2596	User Application Data.exe
1704	User Application Data.exe
2012	User Application Data.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3008	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	29
PID 1936 wrote to memory of 3008	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	29
PID 1936 wrote to memory of 3008	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	29
PID 1936 wrote to memory of 2596	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 1936 wrote to memory of 2596	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 1936 wrote to memory of 2596	1936	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	31
PID 2596 wrote to memory of 2756	2596	User Application Data.exe	32
PID 2596 wrote to memory of 2756	2596	User Application Data.exe	32
PID 2596 wrote to memory of 2756	2596	User Application Data.exe	32
PID 2596 wrote to memory of 440	2596	User Application Data.exe	34
PID 2596 wrote to memory of 440	2596	User Application Data.exe	34
PID 2596 wrote to memory of 440	2596	User Application Data.exe	34
PID 440 wrote to memory of 1676	440	cmd.exe	36
PID 440 wrote to memory of 1676	440	cmd.exe	36
PID 440 wrote to memory of 1676	440	cmd.exe	36
PID 440 wrote to memory of 1692	440	cmd.exe	37
PID 440 wrote to memory of 1692	440	cmd.exe	37
PID 440 wrote to memory of 1692	440	cmd.exe	37
PID 440 wrote to memory of 1704	440	cmd.exe	38
PID 440 wrote to memory of 1704	440	cmd.exe	38
PID 440 wrote to memory of 1704	440	cmd.exe	38
PID 1704 wrote to memory of 2840	1704	User Application Data.exe	39
PID 1704 wrote to memory of 2840	1704	User Application Data.exe	39
PID 1704 wrote to memory of 2840	1704	User Application Data.exe	39
PID 1704 wrote to memory of 1592	1704	User Application Data.exe	41
PID 1704 wrote to memory of 1592	1704	User Application Data.exe	41
PID 1704 wrote to memory of 1592	1704	User Application Data.exe	41
PID 1592 wrote to memory of 2372	1592	cmd.exe	43
PID 1592 wrote to memory of 2372	1592	cmd.exe	43
PID 1592 wrote to memory of 2372	1592	cmd.exe	43
PID 1592 wrote to memory of 1652	1592	cmd.exe	44
PID 1592 wrote to memory of 1652	1592	cmd.exe	44
PID 1592 wrote to memory of 1652	1592	cmd.exe	44
PID 1592 wrote to memory of 2012	1592	cmd.exe	45
PID 1592 wrote to memory of 2012	1592	cmd.exe	45
PID 1592 wrote to memory of 2012	1592	cmd.exe	45
PID 2012 wrote to memory of 1712	2012	User Application Data.exe	46
PID 2012 wrote to memory of 1712	2012	User Application Data.exe	46
PID 2012 wrote to memory of 1712	2012	User Application Data.exe	46

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:1936
- 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:3008
- 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:2596
- - 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:2756
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\XSJuaojM3rsW.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:440
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:1676
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1692
  - - 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:1704
    - - 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:2840
    - - C:\Windows\system32\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0TSIt8hlk4TN.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1592
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2372
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1652
      - 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:2012
        
        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:1712

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\0TSIt8hlk4TN.bat

Filesize
211B

MD5
a40758eb57eb3d9c6f32dc85eb156c81

SHA1
d520cca1224307b44cdd2f818ce190188e1942c8

SHA256
192f4f5363884e88dbdbd7fe58990f4a498ecc6296956566bebb81500141bfbe

SHA512
c9a63fbfe8805a07ceb27dfd1d6cd9ac6d0a11ad67e1a95a5fbbee5d75114edbcb9af51eed9edd474b6e730af065bda6703c8cb267717a97ad24ee89b1925d30

Download Submit
C:\Users\Admin\AppData\Local\Temp\XSJuaojM3rsW.bat

Filesize
211B

MD5
91807296d3f8252c5d94924a43b3ce02

SHA1
31c18aebd6794fba71e93b67326f8a3d82f97c04

SHA256
41af34cf594ac821c412db2e724935bcba3eb43159dd1051c9c90e5b3b579800

SHA512
e04480545f34623aeb6925aa27b9ba5e5554467adca45b6664248c106688f4b242e3a4e5d7facdc443b70bdc80357aeaf665b2cd860f1d5bd27d27647c9d7e9f

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

Filesize
3.1MB

MD5
f611f4dd12e51ca7a946f308ebd5e04c

SHA1
2f7d049ec2b3ae6a8113b499d92ebc117eed890c

SHA256
d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

SHA512
7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83

Download Submit
memory/1704-24-0x0000000000D70000-0x0000000001094000-memory.dmp

Filesize
3.1MB

Download
memory/1936-0-0x000007FEF64B3000-0x000007FEF64B4000-memory.dmp

Filesize
4KB

Download
memory/1936-8-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/1936-2-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/1936-1-0x0000000000250000-0x0000000000574000-memory.dmp

Filesize
3.1MB

Download
memory/2012-35-0x00000000003C0000-0x00000000006E4000-memory.dmp

Filesize
3.1MB

Download
memory/2596-9-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-11-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-10-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2596-12-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-22-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads