quasar | 82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7

Analysis

max time kernel
1480s
max time network
1493s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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
behavioral3/memory/1788-1-0x00000000007B0000-0x0000000000AD4000-memory.dmp	family_quasar

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

4656 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SynV2.exe

description pid process

Token: SeDebugPrivilege 1788 SynV2.exe

pid	process
4656	PING.EXE

description	pid	process
Token: SeDebugPrivilege	1788	SynV2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

SynV2.execmd.exe

description	pid	process	target process
PID 1788 wrote to memory of 1516	1788	SynV2.exe	cmd.exe
PID 1788 wrote to memory of 1516	1788	SynV2.exe	cmd.exe
PID 1516 wrote to memory of 224	1516	cmd.exe	chcp.com
PID 1516 wrote to memory of 224	1516	cmd.exe	chcp.com
PID 1516 wrote to memory of 4656	1516	cmd.exe	PING.EXE
PID 1516 wrote to memory of 4656	1516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\SynV2.exe
"C:\Users\Admin\AppData\Local\Temp\SynV2.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\vSPom1qUqSS3.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:224

C:\Windows\system32\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:4656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\vSPom1qUqSS3.bat

Filesize
206B

MD5
ff7921d67216cdeac0c715b50f7f6b59

SHA1
25b69011ac613d2c0e092a8ebbe9f51c3da06ce1

SHA256
0d0c99a42886a12200a1aecd160af9ebc93dd6b371a3ecbcb8ed61665f58e4f3

SHA512
6e22dfa227d5bcfc3b29666ad5c3b9ff06841543bea79e72263c9e6f9ae79c532bec462047c7d5d71deeb374210463988a76a3fef835cb3e6171ff7b5ec64041

Download Submit
memory/1788-0-0x00007FFBD6B93000-0x00007FFBD6B95000-memory.dmp

Filesize
8KB

Download
memory/1788-1-0x00000000007B0000-0x0000000000AD4000-memory.dmp

Filesize
3.1MB

Download
memory/1788-2-0x00007FFBD6B90000-0x00007FFBD7652000-memory.dmp

Filesize
10.8MB

Download
memory/1788-3-0x000000001BB70000-0x000000001BBC0000-memory.dmp

Filesize
320KB

Download
memory/1788-4-0x000000001BC80000-0x000000001BD32000-memory.dmp

Filesize
712KB

Download
memory/1788-7-0x000000001B800000-0x000000001B812000-memory.dmp

Filesize
72KB

Download
memory/1788-8-0x000000001BBC0000-0x000000001BBFC000-memory.dmp

Filesize
240KB

Download
memory/1788-9-0x00007FFBD6B93000-0x00007FFBD6B95000-memory.dmp

Filesize
8KB

Download
memory/1788-10-0x00007FFBD6B90000-0x00007FFBD7652000-memory.dmp

Filesize
10.8MB

Download
memory/1788-16-0x00007FFBD6B90000-0x00007FFBD7652000-memory.dmp

Filesize
10.8MB

Download