quasar | 75322bf03954f99a0f362a8fe20460a65217a88868b714e232ed474575b71df6 | Triage

Analysis

max time kernel
50s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2022, 18:18

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General

Target

Quasar.exe
Size

1.2MB
MD5

a6cacde76e95724c4211a5239f1c2c4e
SHA1

8a306457ccfcb7e3027b35ad752b5c74c115db94
SHA256

7b8499114a3b7db8f52d2f960be8f48760e02de45dde0ada69ebc785833ea801
SHA512

cae26ce0909adc2f45f1e89ba1c5f6595d2466a2b4549c3a57b6d5f96cc693ba383bc9da18cdefde79ea7a3719d10e120defca19df9758eda06ced9d4ccd9bb8
SSDEEP

12288:j03iTRCYMyvjBBBYiL9l/bFfpBBBBBBBBBBBB2O:F1CABBBYiLvzFfpBBBBBBBBBBBB2O

Score

10^/10

quasar spyware trojan

Malware Config

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral2/memory/2116-132-0x000001B106810000-0x000001B106948000-memory.dmp	family_quasar

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	2116	WerFault.exe	79

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	Quasar.exe

C:\Users\Admin\AppData\Local\Temp\Quasar.exe
"C:\Users\Admin\AppData\Local\Temp\Quasar.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2116
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2116 -s 900
  2⤵
  - Program crash
  PID:2528

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 2116 -ip 2116
1⤵
PID:2348

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2116-132-0x000001B106810000-0x000001B106948000-memory.dmp

Filesize
1.2MB

Download
memory/2116-133-0x00007FF894610000-0x00007FF8950D1000-memory.dmp

Filesize
10.8MB

Download
memory/2116-134-0x00007FF894610000-0x00007FF8950D1000-memory.dmp

Filesize
10.8MB

Download