quasar | fdd5449bc6cd9568186c337cba71fa4eafa90772f8425113a3576a611085f25f

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 2 IoCs

resource	yara_rule
behavioral2/memory/4596-1-0x0000000000BE0000-0x0000000000F4A000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023469-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4392	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
2148	schtasks.exe
2628	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	Discord.exe
Token: SeDebugPrivilege	4392	Discord.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4392	Discord.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2148	4596	Discord.exe	84
PID 4596 wrote to memory of 2148	4596	Discord.exe	84
PID 4596 wrote to memory of 4392	4596	Discord.exe	86
PID 4596 wrote to memory of 4392	4596	Discord.exe	86
PID 4392 wrote to memory of 2628	4392	Discord.exe	87
PID 4392 wrote to memory of 2628	4392	Discord.exe	87

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:4596
- 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:2148
- 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:4392
- - 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:2628

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\Local\Microsoft\CLR_v4.0\UsageLogs\Discord.exe.log

Filesize
1KB

MD5
baf55b95da4a601229647f25dad12878

SHA1
abc16954ebfd213733c4493fc1910164d825cac8

SHA256
ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

SHA512
24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

Download Submit
C:\Users\Admin\AppData\Roaming\Discord Beta\Discord.exe

Filesize
3.4MB

MD5
51154ac3151677ef92756ae22bb14779

SHA1
3e229a56be1feb0bb33c9836e4602b5b7eb4fa38

SHA256
fdd5449bc6cd9568186c337cba71fa4eafa90772f8425113a3576a611085f25f

SHA512
e50a617a0a7c7818028e74bb3007e4017ce54b76f1de7f0c2428c795000a434fa8f856be9ab6caacfe60dad5fc9e388cede74a910042f56f567abac8fc31961a

Download Submit
memory/4392-11-0x00007FFC10370000-0x00007FFC10E31000-memory.dmp

Filesize
10.8MB

Download
memory/4392-12-0x00007FFC10370000-0x00007FFC10E31000-memory.dmp

Filesize
10.8MB

Download
memory/4392-13-0x000000001C410000-0x000000001C460000-memory.dmp

Filesize
320KB

Download
memory/4392-14-0x000000001C520000-0x000000001C5D2000-memory.dmp

Filesize
712KB

Download
memory/4392-15-0x00007FFC10370000-0x00007FFC10E31000-memory.dmp

Filesize
10.8MB

Download
memory/4596-0-0x00007FFC10373000-0x00007FFC10375000-memory.dmp

Filesize
8KB

Download
memory/4596-1-0x0000000000BE0000-0x0000000000F4A000-memory.dmp

Filesize
3.4MB

Download
memory/4596-2-0x00007FFC10370000-0x00007FFC10E31000-memory.dmp

Filesize
10.8MB

Download
memory/4596-10-0x00007FFC10370000-0x00007FFC10E31000-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