quasar | ec4d254d8e42a2dac0016cca7c36adcbec732829d9c44f28a74610acb82dc3ba

General

Target

Spoofer.exe
Size

3.1MB
MD5

bf0b17be658e620edc11f1d93acf86ec
SHA1

8c2fdbe5e8f965147444109385a4fae7249ab9a5
SHA256

ec4d254d8e42a2dac0016cca7c36adcbec732829d9c44f28a74610acb82dc3ba
SHA512

aa3e1f36d6dfa8bb4a6352156def2c341cc861b39a14f2d52df3b0cfaee0ff526e7ce5e8628eb1b803c7b199afa99bbcc29bfefaff1664aa8d7f1c89f608b511
SSDEEP

49152:/vnG42pda6D+/PjlLOlg6yQipVxMaEEmkNk/8FFoGdTvTHHB72eh2NT:/vG42pda6D+/PjlLOlZyQipVxMadvD

Score

10^/10

quasar gang spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

gang

C2

172.59.120.140:4782

tree773838873fsddsfsd-37164.portmap.io:37164

Mutex

6db1cf6e-3d82-43ce-a6bc-f6707b3cb43c

Attributes

encryption_key
623F2B26E2573C612C775F98AA4DD0644A76715E
install_name
Spoofer.exe
log_directory
Logs
reconnect_delay
3000
startup_key
SYSTEM
subdirectory
Spoofer

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/4672-1-0x00000000006D0000-0x00000000009F4000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023cbc-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2888	Spoofer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
4300	schtasks.exe
1764	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	Spoofer.exe
Token: SeDebugPrivilege	2888	Spoofer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	Spoofer.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2888	Spoofer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2888	Spoofer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4300	4672	Spoofer.exe	83
PID 4672 wrote to memory of 4300	4672	Spoofer.exe	83
PID 4672 wrote to memory of 2888	4672	Spoofer.exe	85
PID 4672 wrote to memory of 2888	4672	Spoofer.exe	85
PID 2888 wrote to memory of 1764	2888	Spoofer.exe	86
PID 2888 wrote to memory of 1764	2888	Spoofer.exe	86

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\Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Spoofer\Spoofer.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4300
- C:\Users\Admin\AppData\Roaming\Spoofer\Spoofer.exe
  "C:\Users\Admin\AppData\Roaming\Spoofer\Spoofer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Spoofer\Spoofer.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Spoofer.exe.log

Filesize
1KB

MD5
baf55b95da4a601229647f25dad12878

SHA1
abc16954ebfd213733c4493fc1910164d825cac8

SHA256
ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

SHA512
24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

Download Submit
C:\Users\Admin\AppData\Roaming\Spoofer\Spoofer.exe

Filesize
3.1MB

MD5
bf0b17be658e620edc11f1d93acf86ec

SHA1
8c2fdbe5e8f965147444109385a4fae7249ab9a5

SHA256
ec4d254d8e42a2dac0016cca7c36adcbec732829d9c44f28a74610acb82dc3ba

SHA512
aa3e1f36d6dfa8bb4a6352156def2c341cc861b39a14f2d52df3b0cfaee0ff526e7ce5e8628eb1b803c7b199afa99bbcc29bfefaff1664aa8d7f1c89f608b511

Download Submit
memory/2888-10-0x00007FF9A4C40000-0x00007FF9A5701000-memory.dmp

Filesize
10.8MB

Download
memory/2888-12-0x00007FF9A4C40000-0x00007FF9A5701000-memory.dmp

Filesize
10.8MB

Download
memory/2888-13-0x000000001C070000-0x000000001C0C0000-memory.dmp

Filesize
320KB

Download
memory/2888-14-0x000000001C180000-0x000000001C232000-memory.dmp

Filesize
712KB

Download
memory/2888-15-0x00007FF9A4C40000-0x00007FF9A5701000-memory.dmp

Filesize
10.8MB

Download
memory/4672-0-0x00007FF9A4C43000-0x00007FF9A4C45000-memory.dmp

Filesize
8KB

Download
memory/4672-1-0x00000000006D0000-0x00000000009F4000-memory.dmp

Filesize
3.1MB

Download
memory/4672-2-0x00007FF9A4C40000-0x00007FF9A5701000-memory.dmp

Filesize
10.8MB

Download
memory/4672-11-0x00007FF9A4C40000-0x00007FF9A5701000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads