quasar | 677b229363785a056c131021f5bd3ff397134900fd99ae5638bb4323c3a2683c | Triage

Analysis

max time kernel
149s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2024, 19:31 UTC

Sharing

Report Analysis Logs

General

Target

honestly/MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe
Size

3.1MB
MD5

e35e3f1f51f82cb73c7b70451878c263
SHA1

764f6f6c17c5e3e3b88513975c94d635842f1bd8
SHA256

58606efb4cc178df08094a25618cda8a117ee7b06371f2d8ac980bd218d013c9
SHA512

5fcdfd52eb1dd60542563338ec240d4981a25d157d3fbc96be55706f950f48c6433ed87225ac9311308094954227bdca983a11c91472c5c29b860b48be24815b
SSDEEP

49152:PvyI22SsaNYfdPBldt698dBcjHjGVv9ToGdxTHHB72eh2NT:Pvf22SsaNYfdPBldt6+dBcjHjGVvp

Score

10^/10

quasar test spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

test

C2

91.109.178.8:7070

Mutex

d933480a-c837-40f6-9fb3-c6401087e068

Attributes

encryption_key
2C0C62BDD42E42BC77F98F8E1EE713B43F791267
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
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
behavioral28/memory/1284-1-0x00000000006D0000-0x00000000009F4000-memory.dmp	family_quasar
behavioral28/files/0x000b000000023b76-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4772	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

pid	Process
1292	schtasks.exe
208	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe
Token: SeDebugPrivilege	4772	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4772	Client.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1292	1284	MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe	85
PID 1284 wrote to memory of 1292	1284	MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe	85
PID 1284 wrote to memory of 4772	1284	MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe	87
PID 1284 wrote to memory of 4772	1284	MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe	87
PID 4772 wrote to memory of 208	4772	Client.exe	88
PID 4772 wrote to memory of 208	4772	Client.exe	88

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\honestly\MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\honestly\MyPcGonnaExplode - Copy (103) - Copy - Copy - Copy.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1292
- 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:4772
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:208

Network

DNS

217.106.137.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.106.137.52.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

14.160.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.160.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
DNS

50.23.12.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.23.12.20.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

14.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.227.111.52.in-addr.arpa

IN PTR

Response
DNS

28.73.42.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

28.73.42.20.in-addr.arpa

IN PTR

Response

91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

260 B
5
91.109.178.8:7070

Client.exe

52 B
1

8.8.8.8:53

217.106.137.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

217.106.137.52.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

14.160.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.160.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

50.23.12.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

50.23.12.20.in-addr.arpa
8.8.8.8:53

206.23.85.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

14.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.227.111.52.in-addr.arpa
8.8.8.8:53

28.73.42.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

28.73.42.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scheduled Task

Persistence

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Scheduled Task/Job

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3.1MB

MD5
e35e3f1f51f82cb73c7b70451878c263

SHA1
764f6f6c17c5e3e3b88513975c94d635842f1bd8

SHA256
58606efb4cc178df08094a25618cda8a117ee7b06371f2d8ac980bd218d013c9

SHA512
5fcdfd52eb1dd60542563338ec240d4981a25d157d3fbc96be55706f950f48c6433ed87225ac9311308094954227bdca983a11c91472c5c29b860b48be24815b

Download Submit
memory/1284-0-0x00007FFCFC803000-0x00007FFCFC805000-memory.dmp

Filesize
8KB

Download
memory/1284-1-0x00000000006D0000-0x00000000009F4000-memory.dmp

Filesize
3.1MB

Download
memory/1284-2-0x00007FFCFC800000-0x00007FFCFD2C1000-memory.dmp

Filesize
10.8MB

Download
memory/1284-9-0x00007FFCFC800000-0x00007FFCFD2C1000-memory.dmp

Filesize
10.8MB

Download
memory/4772-10-0x00007FFCFC800000-0x00007FFCFD2C1000-memory.dmp

Filesize
10.8MB

Download
memory/4772-11-0x00007FFCFC800000-0x00007FFCFD2C1000-memory.dmp

Filesize
10.8MB

Download
memory/4772-12-0x000000001BA50000-0x000000001BAA0000-memory.dmp

Filesize
320KB

Download
memory/4772-13-0x000000001BB60000-0x000000001BC12000-memory.dmp

Filesize
712KB

Download
memory/4772-14-0x00007FFCFC800000-0x00007FFCFD2C1000-memory.dmp

Filesize
10.8MB

Download