quasar | 854fc659414fc88605337694eb6b6f4f177389c9cbb69ca0b0e705f555ebbb09

General

Target

test.exe
Size

3.1MB
MD5

051bfba0c640694d241f6b3621e241b6
SHA1

a5269b7485203914af50cb932d952c10440878c9
SHA256

854fc659414fc88605337694eb6b6f4f177389c9cbb69ca0b0e705f555ebbb09
SHA512

bdfea5dfca423c4d66de1c9f435a1c0403b8615a0b7627fff665876fa2da48e8914cc2961ca9e66b7d32d2bc4004354e5e932297a479fcc90d495327d14577dc
SSDEEP

49152:AvKgo2QSaNpzyPllgamb0CZof/JDj5RbR4jRoGdMOAuTHHB72eh2NT:Avjo2QSaNpzyPllgamYCZof/JDj5wFc

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

2464c7bf-a165-4397-85fe-def5290750b0

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 3 IoCs

resource	yara_rule
behavioral1/memory/2884-1-0x0000000000AB0000-0x0000000000DD4000-memory.dmp	family_quasar
behavioral1/memory/1304-15-0x0000000000CB0000-0x0000000000FD4000-memory.dmp	family_quasar
behavioral1/memory/2752-25-0x0000000000090000-0x00000000003B4000-memory.dmp	family_quasar

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
2640	PING.EXE
1440	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2640	PING.EXE
1440	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2772	schtasks.exe
2356	schtasks.exe
1376	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	test.exe
Token: SeDebugPrivilege	1304	test.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2884	test.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2772	2884	test.exe	30
PID 2884 wrote to memory of 2772	2884	test.exe	30
PID 2884 wrote to memory of 2772	2884	test.exe	30
PID 2884 wrote to memory of 2004	2884	test.exe	32
PID 2884 wrote to memory of 2004	2884	test.exe	32
PID 2884 wrote to memory of 2004	2884	test.exe	32
PID 2004 wrote to memory of 1324	2004	cmd.exe	34
PID 2004 wrote to memory of 1324	2004	cmd.exe	34
PID 2004 wrote to memory of 1324	2004	cmd.exe	34
PID 2004 wrote to memory of 2640	2004	cmd.exe	35
PID 2004 wrote to memory of 2640	2004	cmd.exe	35
PID 2004 wrote to memory of 2640	2004	cmd.exe	35
PID 2004 wrote to memory of 1304	2004	cmd.exe	37
PID 2004 wrote to memory of 1304	2004	cmd.exe	37
PID 2004 wrote to memory of 1304	2004	cmd.exe	37
PID 1304 wrote to memory of 2356	1304	test.exe	38
PID 1304 wrote to memory of 2356	1304	test.exe	38
PID 1304 wrote to memory of 2356	1304	test.exe	38

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\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- 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:2772
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\glbNIdmvSguU.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1324
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2640
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - 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
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2356
  - - C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\3ZAM42PQ9ad5.bat" "
      4⤵
      PID:2376
    - - C:\Windows\system32\chcp.com
        
        chcp 65001
        5⤵
        
        PID:2128
    - - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1440
    - - C:\Users\Admin\AppData\Local\Temp\test.exe
        
        "C:\Users\Admin\AppData\Local\Temp\test.exe"
        5⤵
        
        PID:2752
      - 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
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1376

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

1

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\Temp\3ZAM42PQ9ad5.bat

Filesize
201B

MD5
0cb0b0381bcec284a65aa7da889a4d29

SHA1
8fe561c5f6cd4281d955ecb881d68d8f7d084806

SHA256
b317e8cbfbf0d0abcf4fc1f32a4dd52d651c74dda92388c86aaaafb7a3ba42b8

SHA512
13e8f61c5b30bdc3b95a2fd7d8c28b4917981acc28901002d99b119a705201b27272f88f9709b73365dcd9fc9eb4989710c71c071b377ac69d5a8a25a8e58601

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

Filesize
201B

MD5
a6f12e0ea3c8305dcb1a7e7540b5fa9d

SHA1
2d340c8b796f99debd6a728b74fec2857b54b813

SHA256
a9cc890f5a41b333352fe3e24132971a4cf02064cbe3290fdae72b172a7cfce7

SHA512
75b5574d3de8b503a8163982a35f6fdadb7b7545bf6d68f3ba3e127f0e9da8830c47ea6cdff3251c6d8dbd1816c1d246da5cb378f5c3d1560f5f1d992020cd4c

Download Submit
memory/1304-15-0x0000000000CB0000-0x0000000000FD4000-memory.dmp

Filesize
3.1MB

Download
memory/2752-25-0x0000000000090000-0x00000000003B4000-memory.dmp

Filesize
3.1MB

Download
memory/2884-0-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2884-1-0x0000000000AB0000-0x0000000000DD4000-memory.dmp

Filesize
3.1MB

Download
memory/2884-2-0x000007FEF56D0000-0x000007FEF60BC000-memory.dmp

Filesize
9.9MB

Download
memory/2884-3-0x000007FEF56D3000-0x000007FEF56D4000-memory.dmp

Filesize
4KB

Download
memory/2884-4-0x000007FEF56D0000-0x000007FEF60BC000-memory.dmp

Filesize
9.9MB

Download
memory/2884-14-0x000007FEF56D0000-0x000007FEF60BC000-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