quasar | fdd5449bc6cd9568186c337cba71fa4eafa90772f8425113a3576a611085f25f

Analysis

max time kernel
18s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 22:29

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General

Target

Discord.exe
Size

3.4MB
MD5

51154ac3151677ef92756ae22bb14779
SHA1

3e229a56be1feb0bb33c9836e4602b5b7eb4fa38
SHA256

fdd5449bc6cd9568186c337cba71fa4eafa90772f8425113a3576a611085f25f
SHA512

e50a617a0a7c7818028e74bb3007e4017ce54b76f1de7f0c2428c795000a434fa8f856be9ab6caacfe60dad5fc9e388cede74a910042f56f567abac8fc31961a
SSDEEP

49152:RvrI22SsaNYfdPBldt698dBcjHFHxNESEKk/ikLoGdQqGTHHB72eh2NT:RvU22SsaNYfdPBldt6+dBcjHlxhqg

Score

10^/10

quasar discord spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Discord

anonam39-28434.portmap.io:28434

Mutex

dd638f66-fe5e-4eda-9b2a-bbd4d705edfa

Attributes

encryption_key
683AFE6608E075F6C2E80F3315D6E300F919BF81
install_name
Discord.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Discord
subdirectory
Discord Beta

Signatures

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

Quasar payload 3 IoCs

resource	yara_rule
behavioral1/memory/2168-1-0x0000000001280000-0x00000000015EA000-memory.dmp	family_quasar
behavioral1/files/0x00070000000186ee-6.dat	family_quasar
behavioral1/memory/776-10-0x0000000000800000-0x0000000000B6A000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
776	Discord.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
2156	schtasks.exe
2216	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	Discord.exe
Token: SeDebugPrivilege	776	Discord.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
776	Discord.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2156	2168	Discord.exe	30
PID 2168 wrote to memory of 2156	2168	Discord.exe	30
PID 2168 wrote to memory of 2156	2168	Discord.exe	30
PID 2168 wrote to memory of 776	2168	Discord.exe	32
PID 2168 wrote to memory of 776	2168	Discord.exe	32
PID 2168 wrote to memory of 776	2168	Discord.exe	32
PID 776 wrote to memory of 2216	776	Discord.exe	33
PID 776 wrote to memory of 2216	776	Discord.exe	33
PID 776 wrote to memory of 2216	776	Discord.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\Discord.exe
"C:\Users\Admin\AppData\Local\Temp\Discord.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Discord Beta\Discord.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2156
- C:\Users\Admin\AppData\Roaming\Discord Beta\Discord.exe
  "C:\Users\Admin\AppData\Roaming\Discord Beta\Discord.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:776
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Discord Beta\Discord.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2216

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\Discord Beta\Discord.exe

Filesize
3.4MB

MD5
51154ac3151677ef92756ae22bb14779

SHA1
3e229a56be1feb0bb33c9836e4602b5b7eb4fa38

SHA256
fdd5449bc6cd9568186c337cba71fa4eafa90772f8425113a3576a611085f25f

SHA512
e50a617a0a7c7818028e74bb3007e4017ce54b76f1de7f0c2428c795000a434fa8f856be9ab6caacfe60dad5fc9e388cede74a910042f56f567abac8fc31961a

Download Submit
memory/776-9-0x000007FEF62E0000-0x000007FEF6CCC000-memory.dmp

Filesize
9.9MB

Download
memory/776-10-0x0000000000800000-0x0000000000B6A000-memory.dmp

Filesize
3.4MB

Download
memory/776-11-0x000007FEF62E0000-0x000007FEF6CCC000-memory.dmp

Filesize
9.9MB

Download
memory/776-12-0x000007FEF62E0000-0x000007FEF6CCC000-memory.dmp

Filesize
9.9MB

Download
memory/2168-0-0x000007FEF62E3000-0x000007FEF62E4000-memory.dmp

Filesize
4KB

Download
memory/2168-1-0x0000000001280000-0x00000000015EA000-memory.dmp

Filesize
3.4MB

Download
memory/2168-2-0x000007FEF62E0000-0x000007FEF6CCC000-memory.dmp

Filesize
9.9MB

Download
memory/2168-8-0x000007FEF62E0000-0x000007FEF6CCC000-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