quasar | e2e708e09031d7fa512f31ca4d6b10d0e48df7aff2a5b889477e792c6847a90c

Analysis

max time kernel
436s
max time network
1161s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
13-09-2024 18:56

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General

Target

AuroraALPHABUILD.0-6 - Copy (5).exe
Size

231.7MB
MD5

3cda647a8948f3ac4df14abf6f1d62c1
SHA1

f4da28914a3938e7de76546bcf911f539672459a
SHA256

c905d2c1b9df641f12daab74948cef579aa92b6f07c36f97ed70146b615411c1
SHA512

77c0cd078ab2d2765237c3cc68a4872a81db653f1ad6a42122b786b27c7d48842577a65e88ad61e549e13b5be0df51e25b5f026089a19833e9da71f8c30c0cdd
SSDEEP

6144:0MNHXf500MU8zfjEm0beDmcCl/QOqNgJyCqv7cc:Rd505jwmZmcgSNgJyrv7cc

Score

10^/10

quasar gimp1 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

gimp1

193.42.33.210:4444

gimpdns.ddns.net:4444

Mutex

QSR_MUTEX_XwuUSTCgYhmnf6vJ1L

Attributes

encryption_key
lRzFKjYQKUKzh6RyUYYQ
install_name
svchost.exe
log_directory
Logs
reconnect_delay
3000
startup_key
svchost
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral16/memory/1504-1-0x00000000009A0000-0x00000000009FE000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3456 svchost.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

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

System Information Discovery
T1082

pid	process
3456	svchost.exe

flow	ioc
1	ip-api.com

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exesvchost.exeschtasks.exeschtasks.execmd.exechcp.comPING.EXEAuroraALPHABUILD.0-6 - Copy (5).exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AuroraALPHABUILD.0-6 - Copy (5).exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

PING.EXE

pid process

3620 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3620 PING.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

Processes:

schtasks.exeschtasks.exe

pid process

4808 schtasks.exe
1100 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AuroraALPHABUILD.0-6 - Copy (5).exesvchost.exe

description pid process

Token: SeDebugPrivilege 1504 AuroraALPHABUILD.0-6 - Copy (5).exe
Token: SeDebugPrivilege 3456 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

3456 svchost.exe

pid	process
3620	PING.EXE

pid	process
3620	PING.EXE

pid	process
4808	schtasks.exe
1100	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1504	AuroraALPHABUILD.0-6 - Copy (5).exe
Token: SeDebugPrivilege	3456	svchost.exe

pid	process
3456	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

AuroraALPHABUILD.0-6 - Copy (5).exesvchost.execmd.exe

description	pid	process	target process
PID 1504 wrote to memory of 4808	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	schtasks.exe
PID 1504 wrote to memory of 4808	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	schtasks.exe
PID 1504 wrote to memory of 4808	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	schtasks.exe
PID 1504 wrote to memory of 3456	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	svchost.exe
PID 1504 wrote to memory of 3456	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	svchost.exe
PID 1504 wrote to memory of 3456	1504	AuroraALPHABUILD.0-6 - Copy (5).exe	svchost.exe
PID 3456 wrote to memory of 1100	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 1100	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 1100	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 2692	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 2692	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 2692	3456	svchost.exe	schtasks.exe
PID 3456 wrote to memory of 1048	3456	svchost.exe	cmd.exe
PID 3456 wrote to memory of 1048	3456	svchost.exe	cmd.exe
PID 3456 wrote to memory of 1048	3456	svchost.exe	cmd.exe
PID 1048 wrote to memory of 2484	1048	cmd.exe	chcp.com
PID 1048 wrote to memory of 2484	1048	cmd.exe	chcp.com
PID 1048 wrote to memory of 2484	1048	cmd.exe	chcp.com
PID 1048 wrote to memory of 3620	1048	cmd.exe	PING.EXE
PID 1048 wrote to memory of 3620	1048	cmd.exe	PING.EXE
PID 1048 wrote to memory of 3620	1048	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe
"C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe" /rl HIGHEST /f
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4808

C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3456

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1100

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /delete /tn "svchost" /f
3⤵
- System Location Discovery: System Language Discovery
PID:2692

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mWi1OtyIiNQw.bat" "
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\chcp.com
chcp 65001
4⤵
- System Location Discovery: System Language Discovery
PID:2484

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
4⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\mWi1OtyIiNQw.bat
Filesize
263B

MD5
3a96edfc747cc280278d4a6962249605

SHA1
724c531e0b4471a0ed452a90d6fc71e25472459f

SHA256
84c2bb55d40158e553060c36f79bade2e6ca4503c53605532fb090372ff79af6

SHA512
c829f6bb392d6bb36722ee60640e6887b717a9d65b27770a9121237cbee4bed3bc0b84ddfc305816e7d747851dacdb2ecd4bfe05fcc698be67a926b32f57d5d6

Download Submit
C:\Users\Admin\AppData\Roaming\Logs\09-13-~1
Filesize
224B

MD5
54fa3984ae4bc36016d08225fc242614

SHA1
f4a96fccc47f5d02fca5e8c7756567620923c6f2

SHA256
0ed22740d7892a5bca073913a65c4b76655ff3fb6eec70c09b51eb7d4ef6b576

SHA512
0de7bf3a14ec34836870464ade2745704c947156f5de7c8fcaed3151b2578fbc830ea04160ca1af7cc2d8d8e61347976728c46708b125b9132b15668aaf7e9f5

Download Submit
memory/1504-6-0x00000000061D0000-0x00000000061E2000-memory.dmp

Filesize
72KB

Download
memory/1504-3-0x0000000005510000-0x00000000055A2000-memory.dmp

Filesize
584KB

Download
memory/1504-4-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/1504-5-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1504-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/1504-7-0x0000000006720000-0x000000000675C000-memory.dmp

Filesize
240KB

Download
memory/1504-15-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/1504-2-0x0000000005A20000-0x0000000005FC6000-memory.dmp

Filesize
5.6MB

Download
memory/1504-1-0x00000000009A0000-0x00000000009FE000-memory.dmp

Filesize
376KB

Download
memory/3456-14-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/3456-17-0x0000000006B20000-0x0000000006B2A000-memory.dmp

Filesize
40KB

Download
memory/3456-18-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/3456-24-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download