quasar | d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727

General

Target

d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe
Size

523KB
MD5

fe5b07b7c90a3adec3899ad65ee4e038
SHA1

9103e80c409e918f3a55f0eb819e83415f8a6388
SHA256

d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727
SHA512

d6fbceb80e1f6bfdbeb72d5b98e7dbfd8485e594fd97aa1c286d208911f2b93b700f5b7efb96d5049baf5a7fcc449219a185ce719dee7b60ac504f604b25a45a
SSDEEP

12288:Yh1Lk70TnvjcKcVob1y3O/Yj5QmRP8Fb5Ovm0BK2zScujuMt:Ek70TrcKkoE3O/YtZV8Fcv5BKwCuMt

Score

10^/10

quasar discovery spyware trojan

Malware Config

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Executes dropped EXE 1 IoCs

pid	Process
1740	dcuph.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcuph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1928	schtasks.exe
2816	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe
Token: SeDebugPrivilege	1740	dcuph.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	dcuph.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1928	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	31
PID 2976 wrote to memory of 1928	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	31
PID 2976 wrote to memory of 1928	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	31
PID 2976 wrote to memory of 1928	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	31
PID 2976 wrote to memory of 1740	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	33
PID 2976 wrote to memory of 1740	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	33
PID 2976 wrote to memory of 1740	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	33
PID 2976 wrote to memory of 1740	2976	d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe	33
PID 1740 wrote to memory of 2816	1740	dcuph.exe	34
PID 1740 wrote to memory of 2816	1740	dcuph.exe	34
PID 1740 wrote to memory of 2816	1740	dcuph.exe	34
PID 1740 wrote to memory of 2816	1740	dcuph.exe	34

C:\Users\Admin\AppData\Local\Temp\d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe
"C:\Users\Admin\AppData\Local\Temp\d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "dcuph" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727.exe" /rl HIGHEST /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1928
- C:\Users\Admin\AppData\Roaming\sysnfkn\dcuph.exe
  "C:\Users\Admin\AppData\Roaming\sysnfkn\dcuph.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "dcuph" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\sysnfkn\dcuph.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2816

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\sysnfkn\dcuph.exe

Filesize
523KB

MD5
fe5b07b7c90a3adec3899ad65ee4e038

SHA1
9103e80c409e918f3a55f0eb819e83415f8a6388

SHA256
d8818dee0fc5da34e49f25a8f416b86b6635443d45bdca1c54d23fa766de3727

SHA512
d6fbceb80e1f6bfdbeb72d5b98e7dbfd8485e594fd97aa1c286d208911f2b93b700f5b7efb96d5049baf5a7fcc449219a185ce719dee7b60ac504f604b25a45a

Download Submit
memory/1740-14-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-21-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-18-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-17-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-15-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-16-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-3-0x00000000047F0000-0x00000000048B8000-memory.dmp

Filesize
800KB

Download
memory/2976-13-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-6-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-5-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-4-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/2976-2-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-1-0x00000000048C0000-0x000000000498A000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads