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/1476-1-0x0000000000EB0000-0x00000000011D4000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023cb1-6.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	User Application Data.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	User Application Data.exe

Executes dropped EXE 3 IoCs

pid	Process
3944	User Application Data.exe
3964	User Application Data.exe
4368	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	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	User Application Data.exe
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	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
1628	PING.EXE
4968	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
1628	PING.EXE
4968	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
3644	schtasks.exe
1040	schtasks.exe
1548	schtasks.exe
4264	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe
Token: SeDebugPrivilege	3944	User Application Data.exe
Token: SeDebugPrivilege	3964	User Application Data.exe
Token: SeDebugPrivilege	4368	User Application Data.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3944	User Application Data.exe
3964	User Application Data.exe
4368	User Application Data.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 3644	1476	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	83
PID 1476 wrote to memory of 3644	1476	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	83
PID 1476 wrote to memory of 3944	1476	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	85
PID 1476 wrote to memory of 3944	1476	d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73.exe	85
PID 3944 wrote to memory of 1040	3944	User Application Data.exe	86
PID 3944 wrote to memory of 1040	3944	User Application Data.exe	86
PID 3944 wrote to memory of 3172	3944	User Application Data.exe	106
PID 3944 wrote to memory of 3172	3944	User Application Data.exe	106
PID 3172 wrote to memory of 1004	3172	cmd.exe	108
PID 3172 wrote to memory of 1004	3172	cmd.exe	108
PID 3172 wrote to memory of 1628	3172	cmd.exe	109
PID 3172 wrote to memory of 1628	3172	cmd.exe	109
PID 3172 wrote to memory of 3964	3172	cmd.exe	112
PID 3172 wrote to memory of 3964	3172	cmd.exe	112
PID 3964 wrote to memory of 1548	3964	User Application Data.exe	113
PID 3964 wrote to memory of 1548	3964	User Application Data.exe	113
PID 3964 wrote to memory of 3608	3964	User Application Data.exe	116
PID 3964 wrote to memory of 3608	3964	User Application Data.exe	116
PID 3608 wrote to memory of 3936	3608	cmd.exe	118
PID 3608 wrote to memory of 3936	3608	cmd.exe	118
PID 3608 wrote to memory of 4968	3608	cmd.exe	119
PID 3608 wrote to memory of 4968	3608	cmd.exe	119
PID 3608 wrote to memory of 4368	3608	cmd.exe	121
PID 3608 wrote to memory of 4368	3608	cmd.exe	121
PID 4368 wrote to memory of 4264	4368	User Application Data.exe	122
PID 4368 wrote to memory of 4264	4368	User Application Data.exe	122

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:1476
- 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:3644
- 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:3944
- - 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:1040
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iiJwtPvwdg68.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3172
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:1004
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1628
  - - 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:3964
    - - 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:1548
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\gN4Uxy3CGPAl.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3608
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:3936
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4968
      - 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:4368
        
        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:4264

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\gN4Uxy3CGPAl.bat

Filesize
211B

MD5
f6243329240a0ee4d83708ede08bbf76

SHA1
fab36e333b34af1780a1a32b2ca18687f4ece0c4

SHA256
597b748483bbd0b69668e0a1a4e56dbe4af9aa23a6a49d65fadcf78c314a7323

SHA512
34dc4c5dfb2c1f3056f02a9c3c0acd4f644e9831c28d34a291d1f31621a4965fd393e238621386c81a28be007a41f7a8b6a1d77ed9180bbc65a476c201e77345

Download Submit
C:\Users\Admin\AppData\Local\Temp\iiJwtPvwdg68.bat

Filesize
211B

MD5
4b5d4597021bba14a9a08ca8daf176d1

SHA1
853bb48b88e6c7c1b048024a96fcd8183b211be3

SHA256
0d2813833a69c0f1b7f67d9c76010d358ea0fda51c6320d621081d80ad2346c5

SHA512
daa28097f1411a93d3e000df6230baf0457a3a6e4b634d147604b8ff455af92c5fc58e78c4c9d080fed76dd46005fd6fa82036edbb99f0a208ea62318b93707d

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

Filesize
3.1MB

MD5
f611f4dd12e51ca7a946f308ebd5e04c

SHA1
2f7d049ec2b3ae6a8113b499d92ebc117eed890c

SHA256
d0ff0914a4014573716701a665b7950e49594452a6a7418a049553f8c7c1be73

SHA512
7057884406612bff108f1e315efacf83a99f1ec725b4496e737a57938b67edf5f23476b8f99395ec9f8ba355a68779fd5a2668b9caf0ca32b8862529eb413b83

Download Submit
memory/1476-1-0x0000000000EB0000-0x00000000011D4000-memory.dmp

Filesize
3.1MB

Download
memory/1476-2-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

Filesize
10.8MB

Download
memory/1476-10-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

Filesize
10.8MB

Download
memory/1476-0-0x00007FF8470A3000-0x00007FF8470A5000-memory.dmp

Filesize
8KB

Download
memory/3944-11-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

Filesize
10.8MB

Download
memory/3944-14-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

Filesize
10.8MB

Download
memory/3944-19-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

Filesize
10.8MB

Download
memory/3944-13-0x000000001BF50000-0x000000001C002000-memory.dmp

Filesize
712KB

Download
memory/3944-12-0x0000000002C40000-0x0000000002C90000-memory.dmp

Filesize
320KB

Download
memory/3944-9-0x00007FF8470A0000-0x00007FF847B61000-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