quasar | 5e2e596768b289270d055d0906501f1c17b230a2453b5352d4cf2c4bcb85a2cd

Analysis

max time kernel
147s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
30-12-2024 04:12

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General

Target

Seron.exe
Size

3.8MB
MD5

37a8e4ca2d9cf48f824aed73fb6c74f4
SHA1

1e3c16715c770715a19e3081a5bfff0a7c8def3a
SHA256

5e2e596768b289270d055d0906501f1c17b230a2453b5352d4cf2c4bcb85a2cd
SHA512

a5ff0f11c69d72435a413579979befa491ffc600de7b56d1fc38c037c68a3cca46b37abb76d97cffb19e2be3f2b349143ae4f84e6a1035e7102ee805f01c50ca
SSDEEP

49152:BWhyeb35zT3gum1O7qBmdx/flI0D0R5xiEEwKaS2HLk+N2:BWkY3gum1O7qBKfu9x

Score

10^/10

quasar seron spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Seron

dionehilarious679-62928.portmap.host:62928

Mutex

8a0a9f55-a460-4857-bc64-683658037995

Attributes

encryption_key
3D7A6CA252746A6617287BDE7DDCB6EC49DFD879
install_name
iLu7aNjJH3LfV0ck.exe
log_directory
Logs
reconnect_delay
3000
startup_key
iLu7aNjJH3LfV0ck
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
behavioral1/memory/2956-1-0x0000000000860000-0x0000000000C32000-memory.dmp	family_quasar
behavioral1/files/0x001c00000002aa9e-7.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2476	iLu7aNjJH3LfV0ck.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
2752	schtasks.exe
1472	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	Seron.exe
Token: SeDebugPrivilege	2476	iLu7aNjJH3LfV0ck.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2476	iLu7aNjJH3LfV0ck.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2752	2956	Seron.exe	77
PID 2956 wrote to memory of 2752	2956	Seron.exe	77
PID 2956 wrote to memory of 2476	2956	Seron.exe	79
PID 2956 wrote to memory of 2476	2956	Seron.exe	79
PID 2476 wrote to memory of 1472	2476	iLu7aNjJH3LfV0ck.exe	80
PID 2476 wrote to memory of 1472	2476	iLu7aNjJH3LfV0ck.exe	80

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\Seron.exe
"C:\Users\Admin\AppData\Local\Temp\Seron.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "iLu7aNjJH3LfV0ck" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\iLu7aNjJH3LfV0ck.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2752
- C:\Users\Admin\AppData\Roaming\SubDir\iLu7aNjJH3LfV0ck.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\iLu7aNjJH3LfV0ck.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "iLu7aNjJH3LfV0ck" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\iLu7aNjJH3LfV0ck.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1472

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\SubDir\iLu7aNjJH3LfV0ck.exe

Filesize
3.8MB

MD5
37a8e4ca2d9cf48f824aed73fb6c74f4

SHA1
1e3c16715c770715a19e3081a5bfff0a7c8def3a

SHA256
5e2e596768b289270d055d0906501f1c17b230a2453b5352d4cf2c4bcb85a2cd

SHA512
a5ff0f11c69d72435a413579979befa491ffc600de7b56d1fc38c037c68a3cca46b37abb76d97cffb19e2be3f2b349143ae4f84e6a1035e7102ee805f01c50ca

Download Submit
memory/2476-14-0x000000001DD90000-0x000000001DE42000-memory.dmp

Filesize
712KB

Download
memory/2476-11-0x00007FF996B90000-0x00007FF997652000-memory.dmp

Filesize
10.8MB

Download
memory/2476-12-0x00007FF996B90000-0x00007FF997652000-memory.dmp

Filesize
10.8MB

Download
memory/2476-13-0x000000001DC80000-0x000000001DCD0000-memory.dmp

Filesize
320KB

Download
memory/2476-17-0x000000001DD20000-0x000000001DD32000-memory.dmp

Filesize
72KB

Download
memory/2476-18-0x000000001E4A0000-0x000000001E4DC000-memory.dmp

Filesize
240KB

Download
memory/2476-19-0x00007FF996B90000-0x00007FF997652000-memory.dmp

Filesize
10.8MB

Download
memory/2956-2-0x0000000001560000-0x0000000001568000-memory.dmp

Filesize
32KB

Download
memory/2956-3-0x00007FF996B90000-0x00007FF997652000-memory.dmp

Filesize
10.8MB

Download
memory/2956-1-0x0000000000860000-0x0000000000C32000-memory.dmp

Filesize
3.8MB

Download
memory/2956-10-0x00007FF996B90000-0x00007FF997652000-memory.dmp

Filesize
10.8MB

Download
memory/2956-0-0x00007FF996B93000-0x00007FF996B95000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads