quasar | d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

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

C2

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 2 IoCs

resource	yara_rule
behavioral2/memory/1804-1-0x00000000001B0000-0x00000000004D4000-memory.dmp	family_quasar
behavioral2/files/0x000a000000023b91-6.dat	family_quasar

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	User Application Data.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	User Application Data.exe

Executes dropped EXE 3 IoCs

pid	Process
1808	User Application Data.exe
532	User Application Data.exe
640	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 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
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
2040	PING.EXE
2424	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2040	PING.EXE
2424	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
3724	schtasks.exe
4432	schtasks.exe
936	schtasks.exe
1548	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
Token: SeDebugPrivilege	1808	User Application Data.exe
Token: SeDebugPrivilege	532	User Application Data.exe
Token: SeDebugPrivilege	640	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1808	User Application Data.exe
532	User Application Data.exe
640	User Application Data.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1548	1804	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	83
PID 1804 wrote to memory of 1548	1804	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	83
PID 1804 wrote to memory of 1808	1804	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	85
PID 1804 wrote to memory of 1808	1804	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	85
PID 1808 wrote to memory of 3724	1808	User Application Data.exe	86
PID 1808 wrote to memory of 3724	1808	User Application Data.exe	86
PID 1808 wrote to memory of 632	1808	User Application Data.exe	105
PID 1808 wrote to memory of 632	1808	User Application Data.exe	105
PID 632 wrote to memory of 2404	632	cmd.exe	107
PID 632 wrote to memory of 2404	632	cmd.exe	107
PID 632 wrote to memory of 2040	632	cmd.exe	108
PID 632 wrote to memory of 2040	632	cmd.exe	108
PID 632 wrote to memory of 532	632	cmd.exe	110
PID 632 wrote to memory of 532	632	cmd.exe	110
PID 532 wrote to memory of 4432	532	User Application Data.exe	111
PID 532 wrote to memory of 4432	532	User Application Data.exe	111
PID 532 wrote to memory of 372	532	User Application Data.exe	114
PID 532 wrote to memory of 372	532	User Application Data.exe	114
PID 372 wrote to memory of 2116	372	cmd.exe	116
PID 372 wrote to memory of 2116	372	cmd.exe	116
PID 372 wrote to memory of 2424	372	cmd.exe	117
PID 372 wrote to memory of 2424	372	cmd.exe	117
PID 372 wrote to memory of 640	372	cmd.exe	119
PID 372 wrote to memory of 640	372	cmd.exe	119
PID 640 wrote to memory of 936	640	User Application Data.exe	120
PID 640 wrote to memory of 936	640	User Application Data.exe	120

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:1804
- 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:1548
- C:\Windows\system32\Quasar\User Application Data.exe
  "C:\Windows\system32\Quasar\User Application Data.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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:3724
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GH7feWqYhB8g.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:632
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2404
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2040
  - - C:\Windows\system32\Quasar\User Application Data.exe
      "C:\Windows\system32\Quasar\User Application Data.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:532
    - - 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:4432
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iy94N9mExir9.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:372
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2116
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2424
      - 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:640
        
        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:936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\User Application Data.exe.log

Filesize
2KB

MD5
8f0271a63446aef01cf2bfc7b7c7976b

SHA1
b70dad968e1dda14b55ad361b7fd4ef9ab6c06d7

SHA256
da740d78ae00b72cb3710d1a1256dc6431550965d20afaa65e5d5860a4748e8c

SHA512
78a403c69f1284b7dd41527019f3eede3512a5e4d439d846eca83557b741ca37bcf56c412f3e577b9dd4cfa5a6d6210961215f14cb271b143f6eb94f69389cf5

Download Submit
C:\Users\Admin\AppData\Local\Temp\GH7feWqYhB8g.bat

Filesize
211B

MD5
94a61739ad9da55ab8d232f4fa455241

SHA1
054da4e7fc3afbf6e990d61a8a270181a040b5d3

SHA256
67c2f3e9bc7c8326d02c0f55477d7a3481666703ac813fbf57623a9fd024b41d

SHA512
677b49f0358442c2e138718d4fc6e040029fce30b59d8b51008ba9c75acc733ee056c87904028f07fb7e23498cbeeff61f6bf84d815344f90b7d9e68a1350509

Download Submit
C:\Users\Admin\AppData\Local\Temp\iy94N9mExir9.bat

Filesize
211B

MD5
f1703fe9fab495782097fb7691cc16cd

SHA1
374f2af60be55444bc0fe2745e5f1fd929d2b564

SHA256
40e7b1edbb577c7b2facfcde318ea2dd6cb5b9e49b42b0a7b64e25e5b95084e8

SHA512
1496189e320d7f7b7b1db4e0f99b0383e2f0fbbd47f2ec5ca9481f49a38ee18f041b694a5c9f46baeb39638d90ea09404c89d6b67e0792c3f09d109fac85a805

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

Filesize
3.1MB

MD5
f611f4dd12e51ca7a946f308ebd5e04c

SHA1
2f7d049ec2b3ae6a8113b499d92ebc117eed890c

SHA256
d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

SHA512
7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83

Download Submit
memory/1804-1-0x00000000001B0000-0x00000000004D4000-memory.dmp

Filesize
3.1MB

Download
memory/1804-2-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download
memory/1804-9-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download
memory/1804-0-0x00007FFA3CB73000-0x00007FFA3CB75000-memory.dmp

Filesize
8KB

Download
memory/1808-11-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download
memory/1808-14-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download
memory/1808-13-0x000000001BFA0000-0x000000001C052000-memory.dmp

Filesize
712KB

Download
memory/1808-20-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download
memory/1808-12-0x000000001B7F0000-0x000000001B840000-memory.dmp

Filesize
320KB

Download
memory/1808-10-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads