quasar | 01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e

General

Target

01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
Size

4.8MB
MD5

06201f911b2f736433fac73c68b2194a
SHA1

4d7221f72b4b541bb7efb2a36cac419391d532ed
SHA256

01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e
SHA512

461604e159a010cb97d39ad683aab654d4c56512c2d437f9adcaa7f51a032aec880f0c9641ede195eefb80333d0f4f329e77352856d37b0c34107965535a6b43
SSDEEP

49152:DTvC/MTQYxsWR7a522meghLwOqxEs08Y6m2ZyoblJP6fa:HjTQYxsWRimeghLwPx6GZyobHP

Score

10^/10

quasar 1606 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

1606

C2

pixels.game-server.cc:1606

Mutex

6d96d222-8b64-4e23-a33e-b2753466d47c

Attributes

encryption_key
0D9465E10679C48F6CD017D507EF5A31654D1928
install_name
Client.exe
log_directory
wLogs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral2/memory/3108-21-0x00000000012A0000-0x00000000015C4000-memory.dmp	family_quasar

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	drive.google.com
21	drive.google.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3976 set thread context of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cmd.exe

NTFS ADS 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\winmgmts:\root\cimv2	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\winmgmts:\root\CIMV2	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	csc.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3108	csc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90
PID 3976 wrote to memory of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90
PID 3976 wrote to memory of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90
PID 3976 wrote to memory of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90
PID 3976 wrote to memory of 3108	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	90
PID 3976 wrote to memory of 4512	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	91
PID 3976 wrote to memory of 4512	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	91
PID 3976 wrote to memory of 4512	3976	01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe	91

C:\Users\Admin\AppData\Local\Temp\01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe
"C:\Users\Admin\AppData\Local\Temp\01349efa40959e8c4653c93da14f7b11c0a6fbe54894d998970abd46ca701d6e.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3108
- C:\Windows\SysWOW64\Cmd.exe
  "C:\Windows\SysWOW64\Cmd.exe" 3108
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

memory/3108-21-0x00000000012A0000-0x00000000015C4000-memory.dmp

Filesize
3.1MB

Download
memory/3108-22-0x00000000736BE000-0x00000000736BF000-memory.dmp

Filesize
4KB

Download
memory/3108-23-0x0000000006450000-0x00000000069F4000-memory.dmp

Filesize
5.6MB

Download
memory/3108-24-0x0000000005F40000-0x0000000005FD2000-memory.dmp

Filesize
584KB

Download
memory/3108-25-0x00000000736B0000-0x0000000073E60000-memory.dmp

Filesize
7.7MB

Download
memory/3108-26-0x0000000003710000-0x000000000371A000-memory.dmp

Filesize
40KB

Download
memory/3108-27-0x0000000007220000-0x0000000007838000-memory.dmp

Filesize
6.1MB

Download
memory/3108-28-0x0000000006370000-0x00000000063C0000-memory.dmp

Filesize
320KB

Download
memory/3108-29-0x0000000006D90000-0x0000000006E42000-memory.dmp

Filesize
712KB

Download
memory/3108-30-0x00000000736BE000-0x00000000736BF000-memory.dmp

Filesize
4KB

Download
memory/3108-31-0x00000000736B0000-0x0000000073E60000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads