quasar | 0167056e31996433544969f92a7bd0e79e44c4a56660e9c054b23ef0d707bf23

Analysis

max time kernel
156s
max time network
157s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 16:27

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General

Target

Windows.exe
Size

3.2MB
MD5

2a2ec1a8ea615248287faf97abd445e5
SHA1

0eea3289dec3fb5c6efa3c09bc65796fd71ffcbf
SHA256

75ed322604b0d21200fce3180cd91a659dfb0f788cc8037e32305054364a90bb
SHA512

0911c8bc8992ec1f36e4be276b59cc285a15fdaf2ad6abc724dbe26de8455bb752bec6d0c8aca6e14be303c6474292d3ce64cd5348be8ba2450a6323138fd30d
SSDEEP

49152:Hv2I22SsaNYfdPBldt698dBcjH8JRJ6BbR3LoGdujTHHB72eh2NT:Hvb22SsaNYfdPBldt6+dBcjH8JRJ6j

Score

10^/10

quasar pedo spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Pedo

82.65.180.207:5986

Mutex

a4c2b814-ab22-4cf2-9f11-52931b6b15b3

Attributes

encryption_key
6A4706C957DF851DA854AED16AB5CE4562B9C4D4
install_name
serv-microsoft.exe
log_directory
Logs
reconnect_delay
4000
startup_key
windows
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral1/memory/2384-1-0x00000000001F0000-0x0000000000520000-memory.dmp	family_quasar

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3028	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	Windows.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	Windows.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 3028	2384	Windows.exe	30
PID 2384 wrote to memory of 3028	2384	Windows.exe	30
PID 2384 wrote to memory of 3028	2384	Windows.exe	30

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\Windows.exe
"C:\Users\Admin\AppData\Local\Temp\Windows.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "windows" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\serv-microsoft.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2384-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2384-1-0x00000000001F0000-0x0000000000520000-memory.dmp

Filesize
3.2MB

Download
memory/2384-2-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2384-3-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2384-4-0x000007FEF5570000-0x000007FEF5F5C000-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