quasar | 82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7

Analysis

max time kernel
1485s
max time network
1500s
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/2356-1-0x00000000002E0000-0x0000000000604000-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

2152 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SynV2.exe

description pid process

Token: SeDebugPrivilege 2356 SynV2.exe

pid	process
2152	PING.EXE

description	pid	process
Token: SeDebugPrivilege	2356	SynV2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

SynV2.execmd.exe

description	pid	process	target process
PID 2356 wrote to memory of 3428	2356	SynV2.exe	cmd.exe
PID 2356 wrote to memory of 3428	2356	SynV2.exe	cmd.exe
PID 3428 wrote to memory of 916	3428	cmd.exe	chcp.com
PID 3428 wrote to memory of 916	3428	cmd.exe	chcp.com
PID 3428 wrote to memory of 2152	3428	cmd.exe	PING.EXE
PID 3428 wrote to memory of 2152	3428	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:2356

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YSsMSXDfnttQ.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3428

C:\Windows\system32\chcp.com
chcp 65001
3⤵
PID:916

C:\Windows\system32\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:2152

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\YSsMSXDfnttQ.bat

Filesize
206B

MD5
505ec74885a0af8cde08d7908633d5f3

SHA1
40b9790e09de082808e7998a7ddabf582646e3fd

SHA256
d7bb282982c8067d740deaa8e3bd00778c9d0279255f1fa8be83dff137086c7f

SHA512
bff75a497ac4fec58ef11f3071482cb7fe6cdcfc45164f8d94026c34b110bb1f34f1eb8ae3a273a55060609ad9fd44476539cf625250880ff88badf9537b914d

Download Submit
memory/2356-0-0x00007FFAF4ED3000-0x00007FFAF4ED5000-memory.dmp

Filesize
8KB

Download
memory/2356-1-0x00000000002E0000-0x0000000000604000-memory.dmp

Filesize
3.1MB

Download
memory/2356-2-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/2356-3-0x000000001B300000-0x000000001B350000-memory.dmp

Filesize
320KB

Download
memory/2356-4-0x000000001BB80000-0x000000001BC32000-memory.dmp

Filesize
712KB

Download
memory/2356-7-0x000000001B370000-0x000000001B382000-memory.dmp

Filesize
72KB

Download
memory/2356-8-0x000000001B4E0000-0x000000001B51C000-memory.dmp

Filesize
240KB

Download
memory/2356-9-0x00007FFAF4ED3000-0x00007FFAF4ED5000-memory.dmp

Filesize
8KB

Download
memory/2356-10-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/2356-16-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download