quasar | 82c4ebbea3a1cf61cb81196e865149b679df63dacaceef1e1242ce9b855aedf7

Analysis

max time kernel
1382s
max time network
1172s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-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

resource	yara_rule
behavioral2/memory/220-1-0x0000000000670000-0x0000000000994000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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

pid	Process
1268	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	SynV2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 1908	220	SynV2.exe	90
PID 220 wrote to memory of 1908	220	SynV2.exe	90
PID 1908 wrote to memory of 3644	1908	cmd.exe	92
PID 1908 wrote to memory of 3644	1908	cmd.exe	92
PID 1908 wrote to memory of 1268	1908	cmd.exe	93
PID 1908 wrote to memory of 1268	1908	cmd.exe	93

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:220
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Q8Hs0vuES6Kx.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:3644
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - Runs ping.exe
    PID:1268

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\Q8Hs0vuES6Kx.bat

Filesize
206B

MD5
67508d7b35033c0d5282542e07319ff4

SHA1
62dc80676c93612f406b7502ffec817c4dc9db05

SHA256
4a26907545b226e82319decc62519aa5291a7bb57557612a3f834d967f93deba

SHA512
2e1b6b0332f0431d746663a2d676388f43d43fad42f1f8ad2dfd4ea398063a5748c00d90878961b78b73afd619c5aac3c4ae0d892ccb0b55ad0d9643605c95b1

Download Submit
memory/220-0-0x00007FFAD9F93000-0x00007FFAD9F95000-memory.dmp

Filesize
8KB

Download
memory/220-1-0x0000000000670000-0x0000000000994000-memory.dmp

Filesize
3.1MB

Download
memory/220-2-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

Filesize
10.8MB

Download
memory/220-3-0x0000000002C20000-0x0000000002C70000-memory.dmp

Filesize
320KB

Download
memory/220-4-0x000000001BE60000-0x000000001BF12000-memory.dmp

Filesize
712KB

Download
memory/220-5-0x0000000002C70000-0x0000000002C82000-memory.dmp

Filesize
72KB

Download
memory/220-6-0x000000001B710000-0x000000001B74C000-memory.dmp

Filesize
240KB

Download
memory/220-7-0x00007FFAD9F93000-0x00007FFAD9F95000-memory.dmp

Filesize
8KB

Download
memory/220-8-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

Filesize
10.8MB

Download
memory/220-13-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

Filesize
10.8MB

Download