quasar | 234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601

General

Target

234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe
Size

3.1MB
MD5

9beba9a55f44cbc0491d0fd829602e21
SHA1

392fd8116093068ec28a5ad42b4a5e27fc598991
SHA256

234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601
SHA512

b565b1ad44fc00bf761e1a1c8b461b91e367db5d97bac83dc7a1debe43bd8587d6e38a8dc5671d637a26a794f25bfea097b44917ffec49b272c3d93636aa67fc
SSDEEP

49152:vvlt62XlaSFNWPjljiFa2RoUYIU8RJ6KbR3LoGdDTHHB72eh2NT:vvX62XlaSFNWPjljiFXRoUYIU8RJ6k

Score

10^/10

quasar ethera perm spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Ethera perm

C2

192.168.0.14:4782

Mutex

e6dee05f-f73f-4996-8dcd-aa3306f88702

Attributes

encryption_key
C7E0C7E9C05F4E721194E42F9D56A31CF511203D
install_name
provops1.exe
log_directory
winfier
reconnect_delay
3000
startup_key
Programm

Signatures

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

Quasar payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2360-1-0x0000000000E30000-0x0000000001154000-memory.dmp	family_quasar
behavioral1/files/0x000d000000012280-6.dat	family_quasar
behavioral1/memory/2596-9-0x0000000001380000-0x00000000016A4000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

provops1.exe

pid	Process
2596	provops1.exe

Drops file in System32 directory 3 IoCs

Processes:

provops1.exe234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe

description	ioc	Process
File opened for modification	C:\Windows\system32\provops1.exe	provops1.exe
File created	C:\Windows\system32\provops1.exe	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe
File opened for modification	C:\Windows\system32\provops1.exe	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.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

Processes:

schtasks.exeschtasks.exe

pid	Process
400	schtasks.exe
2968	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exeprovops1.exe

description	pid	Process
Token: SeDebugPrivilege	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe
Token: SeDebugPrivilege	2596	provops1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

provops1.exe

pid	Process
2596	provops1.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

provops1.exe

pid	Process
2596	provops1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

provops1.exe

pid	Process
2596	provops1.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exeprovops1.exe

description	pid	Process	procid_target
PID 2360 wrote to memory of 400	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	31
PID 2360 wrote to memory of 400	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	31
PID 2360 wrote to memory of 400	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	31
PID 2360 wrote to memory of 2596	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	33
PID 2360 wrote to memory of 2596	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	33
PID 2360 wrote to memory of 2596	2360	234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe	33
PID 2596 wrote to memory of 2968	2596	provops1.exe	34
PID 2596 wrote to memory of 2968	2596	provops1.exe	34
PID 2596 wrote to memory of 2968	2596	provops1.exe	34

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\234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe
"C:\Users\Admin\AppData\Local\Temp\234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Programm" /sc ONLOGON /tr "C:\Windows\system32\provops1.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:400
- C:\Windows\system32\provops1.exe
  "C:\Windows\system32\provops1.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Programm" /sc ONLOGON /tr "C:\Windows\system32\provops1.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2968

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

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Downloads

C:\Windows\System32\provops1.exe

Filesize
3.1MB

MD5
9beba9a55f44cbc0491d0fd829602e21

SHA1
392fd8116093068ec28a5ad42b4a5e27fc598991

SHA256
234297693c541154fba6ba3cf348af44740cb3cb226669cb96ad12206e187601

SHA512
b565b1ad44fc00bf761e1a1c8b461b91e367db5d97bac83dc7a1debe43bd8587d6e38a8dc5671d637a26a794f25bfea097b44917ffec49b272c3d93636aa67fc

Download Submit
memory/2360-0-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000000E30000-0x0000000001154000-memory.dmp

Filesize
3.1MB

Download
memory/2360-2-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-10-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-8-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-9-0x0000000001380000-0x00000000016A4000-memory.dmp

Filesize
3.1MB

Download
memory/2596-11-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2596-12-0x000007FEF5CB0000-0x000007FEF669C000-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