quasar | 489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 09:28

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General

Target

6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe
Size

348KB
MD5

6e0afb3139f4a822fb8e62492fbff4f4
SHA1

8acc07d47261f85b951beae1318e8a06ee5b1e62
SHA256

489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f
SHA512

6ea362c2c8f7d4a3ac22cde95e2680e102f36e775cc6dadabbd3d71912c7c0e5034426c78c55261b5910512b7a54273edc9b04c872516f001dc2cb03f68f5393
SSDEEP

6144:ocNHXf500MoE0y0AsNibhU7Z2eCwKlJ8zVefSuDi:Nd50N0yIWUpCll6VefRDi

Score

10^/10

quasar monero1 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Monero1

75.139.0.160:9871

108.72.117.71:9871

Mutex

QSR_MUTEX_SjYNYmwyMIEGFFUXAW

Attributes

encryption_key
lGV9pIlTiS49bFQmGvYu
install_name
Quas2.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Monero2
subdirectory
quasr2

Signatures

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

Quasar payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2700-1-0x0000000000B10000-0x0000000000B6E000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe	family_quasar

Executes dropped EXE 1 IoCs

Processes:

Quas2.exe

pid process

1828 Quas2.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 ip-api.com
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

5068 schtasks.exe
2484 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exeQuas2.exe

description pid process

Token: SeDebugPrivilege 2700 6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe
Token: SeDebugPrivilege 1828 Quas2.exe

pid	process
1828	Quas2.exe

flow	ioc
11	ip-api.com

pid	process
5068	schtasks.exe
2484	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe
Token: SeDebugPrivilege	1828	Quas2.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exeQuas2.exe

description	pid	process	target process
PID 2700 wrote to memory of 5068	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	schtasks.exe
PID 2700 wrote to memory of 5068	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	schtasks.exe
PID 2700 wrote to memory of 5068	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	schtasks.exe
PID 2700 wrote to memory of 1828	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	Quas2.exe
PID 2700 wrote to memory of 1828	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	Quas2.exe
PID 2700 wrote to memory of 1828	2700	6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe	Quas2.exe
PID 1828 wrote to memory of 2484	1828	Quas2.exe	schtasks.exe
PID 1828 wrote to memory of 2484	1828	Quas2.exe	schtasks.exe
PID 1828 wrote to memory of 2484	1828	Quas2.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:5068

C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe
"C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe

Filesize
348KB

MD5
6e0afb3139f4a822fb8e62492fbff4f4

SHA1
8acc07d47261f85b951beae1318e8a06ee5b1e62

SHA256
489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f

SHA512
6ea362c2c8f7d4a3ac22cde95e2680e102f36e775cc6dadabbd3d71912c7c0e5034426c78c55261b5910512b7a54273edc9b04c872516f001dc2cb03f68f5393

Download Submit
memory/1828-17-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download
memory/1828-16-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/1828-15-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/1828-13-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/2700-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/2700-6-0x0000000005860000-0x0000000005872000-memory.dmp

Filesize
72KB

Download
memory/2700-7-0x0000000006660000-0x000000000669C000-memory.dmp

Filesize
240KB

Download
memory/2700-5-0x00000000054A0000-0x0000000005506000-memory.dmp

Filesize
408KB

Download
memory/2700-4-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/2700-14-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/2700-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/2700-1-0x0000000000B10000-0x0000000000B6E000-memory.dmp

Filesize
376KB

Download