quasar | 7ccfce0efe92cb5edd40257ce119bc91b50012c8081cb639aad6caab663a3ff6

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 06:35

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General

Target

skibidi.exe
Size

3.1MB
MD5

5c73e901190eb50c2794a879a354417d
SHA1

e7e0e5552b9656e3790aa748f9af8774b606ed66
SHA256

7ccfce0efe92cb5edd40257ce119bc91b50012c8081cb639aad6caab663a3ff6
SHA512

fc3bb5c1c6b2917e6169cfc7633f91335eda82c68518f801e26805fc6381afb54508dbc689eb7c946ebe5e6195b37daa1639243e3fef3ee2073dbb1aa8495fd6
SSDEEP

49152:Wvkt62XlaSFNWPjljiFa2RoUYIf1So1J/UoGd8zTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYIf1SX

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

hilol.zapto.org:20

Mutex

11bbf22e-826e-486b-b024-adbd86228a9e

Attributes

encryption_key
7A589EDBC6A581E125BF830EF0D05FC74BB75E30
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
ctfmon
subdirectory
SubDir

Signatures

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

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/memory/4968-1-0x0000000000090000-0x00000000003B4000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023ca8-7.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4924	Client.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
1412	schtasks.exe
2864	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4968	skibidi.exe
Token: SeDebugPrivilege	4924	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4924	Client.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1412	4968	skibidi.exe	82
PID 4968 wrote to memory of 1412	4968	skibidi.exe	82
PID 4968 wrote to memory of 4924	4968	skibidi.exe	84
PID 4968 wrote to memory of 4924	4968	skibidi.exe	84
PID 4924 wrote to memory of 2864	4924	Client.exe	85
PID 4924 wrote to memory of 2864	4924	Client.exe	85

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\skibidi.exe
"C:\Users\Admin\AppData\Local\Temp\skibidi.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "ctfmon" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1412
- C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "ctfmon" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2864

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

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

Filesize
3.1MB

MD5
5c73e901190eb50c2794a879a354417d

SHA1
e7e0e5552b9656e3790aa748f9af8774b606ed66

SHA256
7ccfce0efe92cb5edd40257ce119bc91b50012c8081cb639aad6caab663a3ff6

SHA512
fc3bb5c1c6b2917e6169cfc7633f91335eda82c68518f801e26805fc6381afb54508dbc689eb7c946ebe5e6195b37daa1639243e3fef3ee2073dbb1aa8495fd6

Download Submit
memory/4924-9-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/4924-11-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/4924-12-0x000000001C110000-0x000000001C160000-memory.dmp

Filesize
320KB

Download
memory/4924-13-0x000000001C220000-0x000000001C2D2000-memory.dmp

Filesize
712KB

Download
memory/4924-16-0x000000001C190000-0x000000001C1A2000-memory.dmp

Filesize
72KB

Download
memory/4924-17-0x000000001C920000-0x000000001C95C000-memory.dmp

Filesize
240KB

Download
memory/4924-18-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/4968-0-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

Filesize
8KB

Download
memory/4968-1-0x0000000000090000-0x00000000003B4000-memory.dmp

Filesize
3.1MB

Download
memory/4968-2-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download
memory/4968-10-0x00007FFD352C0000-0x00007FFD35D81000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads