quasar | 0175d8a12d65b359733a5442daf4ca4b3160212eae7eed1679f9ae4a6b21ff0f

General

Target

ixeeno.exe
Size

1.5MB
MD5

2433a7e38a0a4cf473fd26fb8429aae0
SHA1

a25454de6895dfdebdc86e8e799b3578f733d28d
SHA256

0175d8a12d65b359733a5442daf4ca4b3160212eae7eed1679f9ae4a6b21ff0f
SHA512

df7d60d46fb612617a667049e8e20caca3896af9516ba05ecf5c482e0ca1e2d92df4fcabce9f5cf1b04b277c17dc3e10c53c96cbde9e4ced600ceca7c0b0dbc3
SSDEEP

24576:qlRNJAhU6S2HIPbcNE0KKzaOwIRxl2SVciNkgSMgm5Q+r3qVt:WDKEwKKzwipVcCPZyO4

Score

10^/10

quasar spyware trojan

Malware Config

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/2912-1-0x0000000000D00000-0x0000000000E8A000-memory.dmp	family_quasar
behavioral1/memory/2912-2-0x00000000002F0000-0x000000000030A000-memory.dmp	family_quasar
behavioral1/files/0x0034000000015c8b-7.dat	family_quasar
behavioral1/memory/2828-9-0x0000000000E10000-0x0000000000F9A000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2828	svchost.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32\SubDir\svchost.exe	ixeeno.exe
File opened for modification	C:\Windows\system32\SubDir\svchost.exe	ixeeno.exe
File opened for modification	C:\Windows\system32\SubDir	ixeeno.exe
File opened for modification	C:\Windows\system32\SubDir\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system32\SubDir	svchost.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
2676	schtasks.exe
2936	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2828	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	ixeeno.exe
Token: SeDebugPrivilege	2828	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2676	2912	ixeeno.exe	30
PID 2912 wrote to memory of 2676	2912	ixeeno.exe	30
PID 2912 wrote to memory of 2676	2912	ixeeno.exe	30
PID 2912 wrote to memory of 2828	2912	ixeeno.exe	32
PID 2912 wrote to memory of 2828	2912	ixeeno.exe	32
PID 2912 wrote to memory of 2828	2912	ixeeno.exe	32
PID 2828 wrote to memory of 2936	2828	svchost.exe	33
PID 2828 wrote to memory of 2936	2828	svchost.exe	33
PID 2828 wrote to memory of 2936	2828	svchost.exe	33

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\ixeeno.exe
"C:\Users\Admin\AppData\Local\Temp\ixeeno.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Windows Repair Tool" /sc ONLOGON /tr "C:\Windows\system32\SubDir\svchost.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2676
- C:\Windows\system32\SubDir\svchost.exe
  "C:\Windows\system32\SubDir\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Windows Repair Tool" /sc ONLOGON /tr "C:\Windows\system32\SubDir\svchost.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2936

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System32\SubDir\svchost.exe

Filesize
1.5MB

MD5
2433a7e38a0a4cf473fd26fb8429aae0

SHA1
a25454de6895dfdebdc86e8e799b3578f733d28d

SHA256
0175d8a12d65b359733a5442daf4ca4b3160212eae7eed1679f9ae4a6b21ff0f

SHA512
df7d60d46fb612617a667049e8e20caca3896af9516ba05ecf5c482e0ca1e2d92df4fcabce9f5cf1b04b277c17dc3e10c53c96cbde9e4ced600ceca7c0b0dbc3

Download Submit
memory/2828-13-0x0000000000C20000-0x0000000000C32000-memory.dmp

Filesize
72KB

Download
memory/2828-10-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2828-9-0x0000000000E10000-0x0000000000F9A000-memory.dmp

Filesize
1.5MB

Download
memory/2828-12-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2828-14-0x0000000000C30000-0x0000000000C7E000-memory.dmp

Filesize
312KB

Download
memory/2828-15-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2828-16-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-2-0x00000000002F0000-0x000000000030A000-memory.dmp

Filesize
104KB

Download
memory/2912-3-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-1-0x0000000000D00000-0x0000000000E8A000-memory.dmp

Filesize
1.5MB

Download
memory/2912-11-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-0-0x000007FEF5003000-0x000007FEF5004000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads