quasar | d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 06:31

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General

Target

SGVP Client System.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/2268-1-0x0000000000A80000-0x0000000000DA4000-memory.dmp	family_quasar
behavioral1/files/0x0007000000019423-6.dat	family_quasar
behavioral1/memory/2656-9-0x0000000000F20000-0x0000000001244000-memory.dmp	family_quasar
behavioral1/memory/1336-24-0x0000000001210000-0x0000000001534000-memory.dmp	family_quasar
behavioral1/memory/2508-36-0x00000000012E0000-0x0000000001604000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
2656	User Application Data.exe
1336	User Application Data.exe
2508	User Application Data.exe

Drops file in System32 directory 9 IoCs

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

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
624	PING.EXE
688	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
624	PING.EXE
688	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
2036	schtasks.exe
1816	schtasks.exe
2764	schtasks.exe
2776	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	SGVP Client System.exe
Token: SeDebugPrivilege	2656	User Application Data.exe
Token: SeDebugPrivilege	1336	User Application Data.exe
Token: SeDebugPrivilege	2508	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2656	User Application Data.exe
1336	User Application Data.exe
2508	User Application Data.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2764	2268	SGVP Client System.exe	31
PID 2268 wrote to memory of 2764	2268	SGVP Client System.exe	31
PID 2268 wrote to memory of 2764	2268	SGVP Client System.exe	31
PID 2268 wrote to memory of 2656	2268	SGVP Client System.exe	33
PID 2268 wrote to memory of 2656	2268	SGVP Client System.exe	33
PID 2268 wrote to memory of 2656	2268	SGVP Client System.exe	33
PID 2656 wrote to memory of 2776	2656	User Application Data.exe	34
PID 2656 wrote to memory of 2776	2656	User Application Data.exe	34
PID 2656 wrote to memory of 2776	2656	User Application Data.exe	34
PID 2656 wrote to memory of 3040	2656	User Application Data.exe	36
PID 2656 wrote to memory of 3040	2656	User Application Data.exe	36
PID 2656 wrote to memory of 3040	2656	User Application Data.exe	36
PID 3040 wrote to memory of 2540	3040	cmd.exe	38
PID 3040 wrote to memory of 2540	3040	cmd.exe	38
PID 3040 wrote to memory of 2540	3040	cmd.exe	38
PID 3040 wrote to memory of 624	3040	cmd.exe	39
PID 3040 wrote to memory of 624	3040	cmd.exe	39
PID 3040 wrote to memory of 624	3040	cmd.exe	39
PID 3040 wrote to memory of 1336	3040	cmd.exe	40
PID 3040 wrote to memory of 1336	3040	cmd.exe	40
PID 3040 wrote to memory of 1336	3040	cmd.exe	40
PID 1336 wrote to memory of 2036	1336	User Application Data.exe	41
PID 1336 wrote to memory of 2036	1336	User Application Data.exe	41
PID 1336 wrote to memory of 2036	1336	User Application Data.exe	41
PID 1336 wrote to memory of 2108	1336	User Application Data.exe	44
PID 1336 wrote to memory of 2108	1336	User Application Data.exe	44
PID 1336 wrote to memory of 2108	1336	User Application Data.exe	44
PID 2108 wrote to memory of 2392	2108	cmd.exe	46
PID 2108 wrote to memory of 2392	2108	cmd.exe	46
PID 2108 wrote to memory of 2392	2108	cmd.exe	46
PID 2108 wrote to memory of 688	2108	cmd.exe	47
PID 2108 wrote to memory of 688	2108	cmd.exe	47
PID 2108 wrote to memory of 688	2108	cmd.exe	47
PID 2108 wrote to memory of 2508	2108	cmd.exe	48
PID 2108 wrote to memory of 2508	2108	cmd.exe	48
PID 2108 wrote to memory of 2508	2108	cmd.exe	48
PID 2508 wrote to memory of 1816	2508	User Application Data.exe	49
PID 2508 wrote to memory of 1816	2508	User Application Data.exe	49
PID 2508 wrote to memory of 1816	2508	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\SGVP Client System.exe
"C:\Users\Admin\AppData\Local\Temp\SGVP Client System.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268
- 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:2764
- 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:2656
- - 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:2776
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\cZBkRUBnYKbv.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3040
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2540
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:624
  - - 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:1336
    - - 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:2036
    - - C:\Windows\system32\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\kiuGMfpqB4Ll.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2108
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2392
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:688
      - 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:2508
        
        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:1816

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\cZBkRUBnYKbv.bat

Filesize
211B

MD5
c7e46be49eca46596fc447e855327c10

SHA1
0d51450aa96d27f55d3e9788a4ba9a478c31930c

SHA256
5289fc6d3efac77c8908e547d114ceca6b22a39debf98a427ac5b05d4bfdfccd

SHA512
3213e545efddc11535da00d5aa3083c31bd537b66f548425a6a2846ba695dd1dcc2354d6c9d61ae2044aa81c06037d0f1b804974a3a90226a6dd53581be00879

Download Submit
C:\Users\Admin\AppData\Local\Temp\kiuGMfpqB4Ll.bat

Filesize
211B

MD5
45a53128d3074572474904e87f2866e3

SHA1
82c53ab5b6d7bee1af487895f4e03c6379c19dd0

SHA256
d1dfcd6b8f002f394531358ac8e20b8d755b12b50039ea48db713cffedbfe0ed

SHA512
4acbfcd3950bbbd7b257c1db38c53845cbe2f722d24b9d8e47813faee7ae2b5f12881d5a95589dd0c356e17d82d201153465ac3b06105d7952aea9e8dccab382

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

Filesize
3.1MB

MD5
f611f4dd12e51ca7a946f308ebd5e04c

SHA1
2f7d049ec2b3ae6a8113b499d92ebc117eed890c

SHA256
d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

SHA512
7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83

Download Submit
memory/1336-24-0x0000000001210000-0x0000000001534000-memory.dmp

Filesize
3.1MB

Download
memory/2268-0-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

Filesize
4KB

Download
memory/2268-8-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download
memory/2268-2-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download
memory/2268-1-0x0000000000A80000-0x0000000000DA4000-memory.dmp

Filesize
3.1MB

Download
memory/2508-36-0x00000000012E0000-0x0000000001604000-memory.dmp

Filesize
3.1MB

Download
memory/2656-10-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download
memory/2656-9-0x0000000000F20000-0x0000000001244000-memory.dmp

Filesize
3.1MB

Download
memory/2656-11-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download
memory/2656-12-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download
memory/2656-21-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads