quasar | 82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7

Analysis

max time kernel
1371s
max time network
1160s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 02:53

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General

Target

SynV2.exe
Size

3.1MB
MD5

007e5cb679d162307ae1e97aae6b60bb
SHA1

a03429b7d5bf4fbe507863f110782b17b3de98ef
SHA256

82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7
SHA512

eb2298577149e34238475eee4329ac031efe4433ca8d3b9951bc1914c52e633a8c4b1034c4ff9b6f79364250cede584b25d9c13556f4fe35ec6be5ac0661a2c0
SSDEEP

49152:pvjt62XlaSFNWPjljiFa2RoUYI204lhhgvJ6EoGdxsTHHB72eh2NT:pvx62XlaSFNWPjljiFXRoUYIchm

Score

10^/10

quasar shiba spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Shiba

sites-mood.gl.at.ply.gg:50107

Mutex

987c652c-2a4e-4c5d-bc39-00c8c0f35c5c

Attributes

encryption_key
A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7
install_name
$sxr-insta.exe
log_directory
$sxr-logs
reconnect_delay
1000
startup_key
$sxr-mstha
subdirectory
$sxr-start

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4312-1-0x0000000000670000-0x0000000000994000-memory.dmp	family_quasar

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

SynV2.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation SynV2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2404 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SynV2.exe

description pid process

Token: SeDebugPrivilege 4312 SynV2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	SynV2.exe

pid	process
2404	PING.EXE

description	pid	process
Token: SeDebugPrivilege	4312	SynV2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

SynV2.execmd.exe

description	pid	process	target process
PID 4312 wrote to memory of 2588	4312	SynV2.exe	cmd.exe
PID 4312 wrote to memory of 2588	4312	SynV2.exe	cmd.exe
PID 2588 wrote to memory of 2760	2588	cmd.exe	chcp.com
PID 2588 wrote to memory of 2760	2588	cmd.exe	chcp.com
PID 2588 wrote to memory of 2404	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 2404	2588	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\SynV2.exe
"C:\Users\Admin\AppData\Local\Temp\SynV2.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4312

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YA7P71fJdtQF.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2588

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:2760

C:\Windows\system32\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\YA7P71fJdtQF.bat

Filesize
206B

MD5
8c76ea77207b5c11f92c79a024b2f302

SHA1
784d5267a893479cfbc0d1394f707dc7f2d16651

SHA256
72fe32bcf878f453b0dea067885a3ac1bf9f1621c8cf613b76dbbf460d9c3f2a

SHA512
5e4acd904dd968f2308e1417569f418b5a26069a1e75a9baac781b3b322e7284d0928b0fd8483d9a7c436ba13fd0205d2052c2eebdaf2a8c50f7e87f86586d54

Download Submit
memory/4312-0-0x00007FFA49D23000-0x00007FFA49D25000-memory.dmp

Filesize
8KB

Download
memory/4312-1-0x0000000000670000-0x0000000000994000-memory.dmp

Filesize
3.1MB

Download
memory/4312-2-0x00007FFA49D20000-0x00007FFA4A7E1000-memory.dmp

Filesize
10.8MB

Download
memory/4312-3-0x0000000002B40000-0x0000000002B90000-memory.dmp

Filesize
320KB

Download
memory/4312-4-0x000000001BE60000-0x000000001BF12000-memory.dmp

Filesize
712KB

Download
memory/4312-8-0x000000001BDA0000-0x000000001BDDC000-memory.dmp

Filesize
240KB

Download
memory/4312-7-0x0000000002BB0000-0x0000000002BC2000-memory.dmp

Filesize
72KB

Download
memory/4312-9-0x00007FFA49D23000-0x00007FFA49D25000-memory.dmp

Filesize
8KB

Download
memory/4312-10-0x00007FFA49D20000-0x00007FFA4A7E1000-memory.dmp

Filesize
10.8MB

Download
memory/4312-16-0x00007FFA49D20000-0x00007FFA4A7E1000-memory.dmp

Filesize
10.8MB

Download