quasar | cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740

Analysis

max time kernel
145s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 02:48

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General

Target

cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe
Size

3.1MB
MD5

2fcfe990de818ff742c6723b8c6e0d33
SHA1

9d42cce564dcfa27b2c99450f54ba36d4b6eecaf
SHA256

cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740
SHA512

4f20a27817de94a07071960abe0123277c0607a26de709e2ade201597df71d8c2eec7da353efba94dc6a8369b89db4caeaf9505d02b90dc30c37010a885c3613
SSDEEP

49152:PvXz92YpaQI6oPZlhP3Reybewoklwuv1JHloGGWTHHB72eh2NT:PvD92YpaQI6oPZlhP3YybewoklwuV

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

a35ec7b7-5a95-4207-8f25-7af0a7847fa5

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/2828-1-0x0000000000EE0000-0x0000000001204000-memory.dmp	family_quasar
behavioral1/files/0x0036000000016a66-6.dat	family_quasar
behavioral1/memory/2760-8-0x0000000000B50000-0x0000000000E74000-memory.dmp	family_quasar
behavioral1/memory/1336-34-0x0000000001310000-0x0000000001634000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
2760	User Application Data.exe
1696	User Application Data.exe
1336	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
2420	PING.EXE
2400	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2420	PING.EXE
2400	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
2508	schtasks.exe
2884	schtasks.exe
2576	schtasks.exe
1768	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe
Token: SeDebugPrivilege	2760	User Application Data.exe
Token: SeDebugPrivilege	1696	User Application Data.exe
Token: SeDebugPrivilege	1336	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2760	User Application Data.exe
1696	User Application Data.exe
1336	User Application Data.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2884	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	31
PID 2828 wrote to memory of 2884	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	31
PID 2828 wrote to memory of 2884	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	31
PID 2828 wrote to memory of 2760	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	33
PID 2828 wrote to memory of 2760	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	33
PID 2828 wrote to memory of 2760	2828	cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe	33
PID 2760 wrote to memory of 2576	2760	User Application Data.exe	34
PID 2760 wrote to memory of 2576	2760	User Application Data.exe	34
PID 2760 wrote to memory of 2576	2760	User Application Data.exe	34
PID 2760 wrote to memory of 2580	2760	User Application Data.exe	36
PID 2760 wrote to memory of 2580	2760	User Application Data.exe	36
PID 2760 wrote to memory of 2580	2760	User Application Data.exe	36
PID 2580 wrote to memory of 2388	2580	cmd.exe	38
PID 2580 wrote to memory of 2388	2580	cmd.exe	38
PID 2580 wrote to memory of 2388	2580	cmd.exe	38
PID 2580 wrote to memory of 2420	2580	cmd.exe	39
PID 2580 wrote to memory of 2420	2580	cmd.exe	39
PID 2580 wrote to memory of 2420	2580	cmd.exe	39
PID 2580 wrote to memory of 1696	2580	cmd.exe	40
PID 2580 wrote to memory of 1696	2580	cmd.exe	40
PID 2580 wrote to memory of 1696	2580	cmd.exe	40
PID 1696 wrote to memory of 1768	1696	User Application Data.exe	41
PID 1696 wrote to memory of 1768	1696	User Application Data.exe	41
PID 1696 wrote to memory of 1768	1696	User Application Data.exe	41
PID 1696 wrote to memory of 2376	1696	User Application Data.exe	44
PID 1696 wrote to memory of 2376	1696	User Application Data.exe	44
PID 1696 wrote to memory of 2376	1696	User Application Data.exe	44
PID 2376 wrote to memory of 2240	2376	cmd.exe	46
PID 2376 wrote to memory of 2240	2376	cmd.exe	46
PID 2376 wrote to memory of 2240	2376	cmd.exe	46
PID 2376 wrote to memory of 2400	2376	cmd.exe	47
PID 2376 wrote to memory of 2400	2376	cmd.exe	47
PID 2376 wrote to memory of 2400	2376	cmd.exe	47
PID 2376 wrote to memory of 1336	2376	cmd.exe	48
PID 2376 wrote to memory of 1336	2376	cmd.exe	48
PID 2376 wrote to memory of 1336	2376	cmd.exe	48
PID 1336 wrote to memory of 2508	1336	User Application Data.exe	49
PID 1336 wrote to memory of 2508	1336	User Application Data.exe	49
PID 1336 wrote to memory of 2508	1336	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\cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe
"C:\Users\Admin\AppData\Local\Temp\cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2884
- C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe
  "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2576
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3dzjCIb6Ufce.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2580
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2388
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2420
  - - C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe
      "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1696
    - - C:\Windows\system32\schtasks.exe
        
        "schtasks" /create /tn "Windowns Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe" /rl HIGHEST /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1768
    - - C:\Windows\system32\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\sOn5IHa3tTb4.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2376
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2240
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2400
      - C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe
        
        "C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe"
        6⤵
        Executes dropped EXE
        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:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe" /rl HIGHEST /f
        7⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2508

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\3dzjCIb6Ufce.bat

Filesize
222B

MD5
48bf2cb01e58286591d0ff4c0a06855a

SHA1
3ef0bc83b293ee7b54b23a63abbee36c61323b34

SHA256
cbc2cc802cdf094f643c96ffc398cb2a1f3648f1ecba2c21078e7b9e13707622

SHA512
2a1a87f35aeed8fd6c081f077708f7c571ef75e0ad1d877ef75d65251f5958667870678c33d5c80e3488ffd7968255a4ad8e633aaacc82694081f4262d2f61ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\sOn5IHa3tTb4.bat

Filesize
222B

MD5
6814201fcb39f8de3cc86ad98d38250b

SHA1
fb00a0892b367f34bc46a5ebdd5deac539ce846d

SHA256
d769ea1a2c461f1ff0a9dd849db45aeb7431aac809833d38a2f03fda4d3d5e27

SHA512
49803ded5ceedef971be8a965c27431ed79a220956be08b8662cbd692a7f5bfc158891872c69b25e37fe38bfd00d0b96b8069e2e9761604d204469e06aafe550

Download Submit
C:\Users\Admin\AppData\Roaming\Quasar\User Application Data.exe

Filesize
3.1MB

MD5
2fcfe990de818ff742c6723b8c6e0d33

SHA1
9d42cce564dcfa27b2c99450f54ba36d4b6eecaf

SHA256
cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740

SHA512
4f20a27817de94a07071960abe0123277c0607a26de709e2ade201597df71d8c2eec7da353efba94dc6a8369b89db4caeaf9505d02b90dc30c37010a885c3613

Download Submit
memory/1336-34-0x0000000001310000-0x0000000001634000-memory.dmp

Filesize
3.1MB

Download
memory/2760-8-0x0000000000B50000-0x0000000000E74000-memory.dmp

Filesize
3.1MB

Download
memory/2760-9-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2760-11-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2760-12-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2760-22-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2828-0-0x000007FEF5633000-0x000007FEF5634000-memory.dmp

Filesize
4KB

Download
memory/2828-10-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2828-2-0x000007FEF5630000-0x000007FEF601C000-memory.dmp

Filesize
9.9MB

Download
memory/2828-1-0x0000000000EE0000-0x0000000001204000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads