quasar | 6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5

Analysis

max time kernel
120s
max time network
114s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 22:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe
Size

3.3MB
MD5

94fafb9c5bad9356529fb599f4bf4260
SHA1

7bbcc6309c587db43d8fef972eefc4bf27c98de1
SHA256

6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5
SHA512

55f7e92bc321e6dbf14594a273fcc5c9046f8e2ae13196fd9caed55acd0fc3be601c0e3eaa4f58e765e28e5cdccb7fa442e8f6c113779eb6cd7bbed67646f65d
SSDEEP

49152:Jv+lL26AaNeWgPhlmVqvMQ7XSKEp+oMfHzoGdNCTHHB72eh2NTsr:JvuL26AaNeWgPhlmVqkQ7XSKEp+nE

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Attributes

reconnect_delay
3000

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

zd5sq5d05s2ds-51922.portmap.host:51922

Mutex

28d11f6e-245f-478b-b5b1-72d29c906aa7

Attributes

encryption_key
4EE40AC5CC3266A3AC1ABAC110B7261E7A052A63
install_name
Client.exe
log_directory
Logs
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 4 IoCs

resource	yara_rule
behavioral1/memory/2636-1-0x00000000010A0000-0x00000000013F4000-memory.dmp	family_quasar
behavioral1/memory/2636-204-0x000000001BDD0000-0x000000001C0F4000-memory.dmp	family_quasar
behavioral1/files/0x0007000000016cd3-224.dat	family_quasar
behavioral1/memory/1716-235-0x0000000000AA0000-0x0000000000DF4000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
2760	gxp2ldcg.bpt.exe
1716	Client.exe
1740	clu0j2sl.jlv.exe

Loads dropped DLL 4 IoCs

pid	Process
2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe
2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe
1716	Client.exe
1716	Client.exe

Drops file in System32 directory 22 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfc007.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc009.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc00A.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh011.dat	WMIADAP.EXE
File opened for modification	C:\Windows\System32\Tasks\Mason6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\MasonClient.exe	svchost.exe
File created	C:\Windows\system32\wbem\Performance\WmiApRpl_new.ini	WMIADAP.EXE
File created	C:\Windows\system32\perfc00C.dat	WMIADAP.EXE
File opened for modification	C:\Windows\System32\Tasks\Quasar Client Startup	svchost.exe
File created	C:\Windows\System32\Tasks\MasonClient.exe	svchost.exe
File created	C:\Windows\system32\perfh009.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh00A.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh00C.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh010.dat	WMIADAP.EXE
File opened for modification	C:\Windows\system32\PerfStringBackup.INI	WMIADAP.EXE
File created	C:\Windows\System32\Tasks\Quasar Client Startup	svchost.exe
File created	C:\Windows\system32\wbem\Performance\WmiApRpl_new.h	WMIADAP.EXE
File created	C:\Windows\system32\perfh007.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc010.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc011.dat	WMIADAP.EXE
File created	C:\Windows\system32\PerfStringBackup.TMP	WMIADAP.EXE
File created	C:\Windows\System32\Tasks\Mason6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\inf\WmiApRpl\WmiApRpl.h	WMIADAP.EXE
File opened for modification	C:\Windows\inf\WmiApRpl\WmiApRpl.h	WMIADAP.EXE
File created	C:\Windows\inf\WmiApRpl\0009\WmiApRpl.ini	WMIADAP.EXE

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2516	SCHTASKS.exe
3024	SCHTASKS.exe
2120	schtasks.exe
332	SCHTASKS.exe
1484	SCHTASKS.exe
1960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
2760	gxp2ldcg.bpt.exe
1740	clu0j2sl.jlv.exe
1740	clu0j2sl.jlv.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe
Token: SeDebugPrivilege	2760	gxp2ldcg.bpt.exe
Token: SeDebugPrivilege	1716	Client.exe
Token: SeDebugPrivilege	1740	clu0j2sl.jlv.exe
Token: SeAuditPrivilege	832	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	832	svchost.exe
Token: SeIncreaseQuotaPrivilege	832	svchost.exe
Token: SeSecurityPrivilege	832	svchost.exe
Token: SeTakeOwnershipPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	832	svchost.exe
Token: SeSystemtimePrivilege	832	svchost.exe
Token: SeBackupPrivilege	832	svchost.exe
Token: SeRestorePrivilege	832	svchost.exe
Token: SeShutdownPrivilege	832	svchost.exe
Token: SeSystemEnvironmentPrivilege	832	svchost.exe
Token: SeUndockPrivilege	832	svchost.exe
Token: SeManageVolumePrivilege	832	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	832	svchost.exe
Token: SeIncreaseQuotaPrivilege	832	svchost.exe
Token: SeSecurityPrivilege	832	svchost.exe
Token: SeTakeOwnershipPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	832	svchost.exe
Token: SeSystemtimePrivilege	832	svchost.exe
Token: SeBackupPrivilege	832	svchost.exe
Token: SeRestorePrivilege	832	svchost.exe
Token: SeShutdownPrivilege	832	svchost.exe
Token: SeSystemEnvironmentPrivilege	832	svchost.exe
Token: SeUndockPrivilege	832	svchost.exe
Token: SeManageVolumePrivilege	832	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	832	svchost.exe
Token: SeIncreaseQuotaPrivilege	832	svchost.exe
Token: SeSecurityPrivilege	832	svchost.exe
Token: SeTakeOwnershipPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	832	svchost.exe
Token: SeSystemtimePrivilege	832	svchost.exe
Token: SeBackupPrivilege	832	svchost.exe
Token: SeRestorePrivilege	832	svchost.exe
Token: SeShutdownPrivilege	832	svchost.exe
Token: SeSystemEnvironmentPrivilege	832	svchost.exe
Token: SeUndockPrivilege	832	svchost.exe
Token: SeManageVolumePrivilege	832	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	832	svchost.exe
Token: SeIncreaseQuotaPrivilege	832	svchost.exe
Token: SeSecurityPrivilege	832	svchost.exe
Token: SeTakeOwnershipPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	832	svchost.exe
Token: SeSystemtimePrivilege	832	svchost.exe
Token: SeBackupPrivilege	832	svchost.exe
Token: SeRestorePrivilege	832	svchost.exe
Token: SeShutdownPrivilege	832	svchost.exe
Token: SeSystemEnvironmentPrivilege	832	svchost.exe
Token: SeUndockPrivilege	832	svchost.exe
Token: SeManageVolumePrivilege	832	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	832	svchost.exe
Token: SeIncreaseQuotaPrivilege	832	svchost.exe
Token: SeSecurityPrivilege	832	svchost.exe
Token: SeTakeOwnershipPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	832	svchost.exe
Token: SeSystemtimePrivilege	832	svchost.exe
Token: SeBackupPrivilege	832	svchost.exe
Token: SeRestorePrivilege	832	svchost.exe
Token: SeShutdownPrivilege	832	svchost.exe
Token: SeSystemEnvironmentPrivilege	832	svchost.exe
Token: SeUndockPrivilege	832	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1716	Client.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2760	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	30
PID 2636 wrote to memory of 2760	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	30
PID 2636 wrote to memory of 2760	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	30
PID 2760 wrote to memory of 432	2760	gxp2ldcg.bpt.exe	5
PID 2760 wrote to memory of 480	2760	gxp2ldcg.bpt.exe	6
PID 2760 wrote to memory of 488	2760	gxp2ldcg.bpt.exe	7
PID 2760 wrote to memory of 496	2760	gxp2ldcg.bpt.exe	8
PID 2760 wrote to memory of 596	2760	gxp2ldcg.bpt.exe	9
PID 2760 wrote to memory of 672	2760	gxp2ldcg.bpt.exe	10
PID 2760 wrote to memory of 760	2760	gxp2ldcg.bpt.exe	11
PID 2760 wrote to memory of 800	2760	gxp2ldcg.bpt.exe	12
PID 2760 wrote to memory of 832	2760	gxp2ldcg.bpt.exe	13
PID 2760 wrote to memory of 956	2760	gxp2ldcg.bpt.exe	15
PID 2760 wrote to memory of 1020	2760	gxp2ldcg.bpt.exe	16
PID 2760 wrote to memory of 1000	2760	gxp2ldcg.bpt.exe	17
PID 2760 wrote to memory of 1060	2760	gxp2ldcg.bpt.exe	18
PID 2636 wrote to memory of 332	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	31
PID 2636 wrote to memory of 332	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	31
PID 2636 wrote to memory of 332	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	31
PID 2760 wrote to memory of 1096	2760	gxp2ldcg.bpt.exe	19
PID 2760 wrote to memory of 1144	2760	gxp2ldcg.bpt.exe	20
PID 2760 wrote to memory of 1180	2760	gxp2ldcg.bpt.exe	21
PID 2760 wrote to memory of 1616	2760	gxp2ldcg.bpt.exe	23
PID 2760 wrote to memory of 300	2760	gxp2ldcg.bpt.exe	24
PID 2760 wrote to memory of 1028	2760	gxp2ldcg.bpt.exe	25
PID 2760 wrote to memory of 1416	2760	gxp2ldcg.bpt.exe	26
PID 2760 wrote to memory of 2072	2760	gxp2ldcg.bpt.exe	27
PID 2760 wrote to memory of 2636	2760	gxp2ldcg.bpt.exe	29
PID 2760 wrote to memory of 332	2760	gxp2ldcg.bpt.exe	31
PID 2760 wrote to memory of 2212	2760	gxp2ldcg.bpt.exe	32
PID 2636 wrote to memory of 1484	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	33
PID 2636 wrote to memory of 1484	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	33
PID 2636 wrote to memory of 1484	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	33
PID 2760 wrote to memory of 1484	2760	gxp2ldcg.bpt.exe	33
PID 2636 wrote to memory of 1960	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	35
PID 2636 wrote to memory of 1960	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	35
PID 2636 wrote to memory of 1960	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	35
PID 2760 wrote to memory of 1960	2760	gxp2ldcg.bpt.exe	35
PID 2636 wrote to memory of 1716	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	37
PID 2636 wrote to memory of 1716	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	37
PID 2636 wrote to memory of 1716	2636	6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe	37
PID 2760 wrote to memory of 1716	2760	gxp2ldcg.bpt.exe	37
PID 2760 wrote to memory of 1716	2760	gxp2ldcg.bpt.exe	37
PID 1716 wrote to memory of 1740	1716	Client.exe	38
PID 1716 wrote to memory of 1740	1716	Client.exe	38
PID 1716 wrote to memory of 1740	1716	Client.exe	38
PID 2760 wrote to memory of 1740	2760	gxp2ldcg.bpt.exe	38
PID 1716 wrote to memory of 2516	1716	Client.exe	39
PID 1716 wrote to memory of 2516	1716	Client.exe	39
PID 1716 wrote to memory of 2516	1716	Client.exe	39
PID 2760 wrote to memory of 2516	2760	gxp2ldcg.bpt.exe	39
PID 1740 wrote to memory of 432	1740	clu0j2sl.jlv.exe	5
PID 1740 wrote to memory of 480	1740	clu0j2sl.jlv.exe	6
PID 1740 wrote to memory of 488	1740	clu0j2sl.jlv.exe	7
PID 1740 wrote to memory of 496	1740	clu0j2sl.jlv.exe	8
PID 1740 wrote to memory of 596	1740	clu0j2sl.jlv.exe	9
PID 1740 wrote to memory of 672	1740	clu0j2sl.jlv.exe	10
PID 1740 wrote to memory of 760	1740	clu0j2sl.jlv.exe	11
PID 1740 wrote to memory of 800	1740	clu0j2sl.jlv.exe	12
PID 1740 wrote to memory of 832	1740	clu0j2sl.jlv.exe	13
PID 1740 wrote to memory of 956	1740	clu0j2sl.jlv.exe	15
PID 1740 wrote to memory of 1020	1740	clu0j2sl.jlv.exe	16
PID 1740 wrote to memory of 1000	1740	clu0j2sl.jlv.exe	17
PID 1740 wrote to memory of 1060	1740	clu0j2sl.jlv.exe	18

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:480
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1616
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1028
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:672
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:760
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:800
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1144
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:832
- - C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    3⤵
    - Drops file in System32 directory
    - Drops file in Windows directory
    PID:816
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:956
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:1020
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:1000
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1060
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1096
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:300
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1416
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2072

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:488

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe
  "C:\Users\Admin\AppData\Local\Temp\6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Users\Admin\AppData\Local\Temp\gxp2ldcg.bpt.exe
    "C:\Users\Admin\AppData\Local\Temp\gxp2ldcg.bpt.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2760
- - C:\Windows\system32\SCHTASKS.exe
    "SCHTASKS.exe" /create /tn "Mason6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe'" /sc onlogon /rl HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:332
- - C:\Windows\system32\SCHTASKS.exe
    "SCHTASKS.exe" /create /tn "Mason6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5N.exe'" /sc onlogon /rl HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1484
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1960
- - C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Users\Admin\AppData\Local\Temp\clu0j2sl.jlv.exe
      "C:\Users\Admin\AppData\Local\Temp\clu0j2sl.jlv.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1740
  - - C:\Windows\system32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "MasonClient.exe" /tr "'C:\Users\Admin\AppData\Roaming\SubDir\Client.exe'" /sc onlogon /rl HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2516
  - - C:\Windows\system32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "MasonClient.exe" /tr "'C:\Users\Admin\AppData\Roaming\SubDir\Client.exe'" /sc onlogon /rl HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3024
  - - C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2120

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "24297382514481301265327996061850521163-11754822771219437533-16697277751521818180"
1⤵
PID:2212

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "262737557-377842375417101306-1724693808-896457165-4118736171404377891-1361687802"
1⤵
PID:880

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-949617151-124796877110963917001262129803-1623083836-20634387652043638261994945365"
1⤵
PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

Filesize
3.3MB

MD5
94fafb9c5bad9356529fb599f4bf4260

SHA1
7bbcc6309c587db43d8fef972eefc4bf27c98de1

SHA256
6cf6ade8237b2c7d401b8aea07fedfa070f2d7fd7e34bde673632fe9250fa9a5

SHA512
55f7e92bc321e6dbf14594a273fcc5c9046f8e2ae13196fd9caed55acd0fc3be601c0e3eaa4f58e765e28e5cdccb7fa442e8f6c113779eb6cd7bbed67646f65d

Download Submit
C:\Windows\System32\Tasks\Quasar Client Startup

Filesize
3KB

MD5
a269c1c940a25a89f18fe9dac736680f

SHA1
51ff5b1020c9f87303d2e2780bcd688ccef10625

SHA256
57ca7b10db98f018331a604e5edb8dc983996edde3c638cfd5d62eeeb7bcfa46

SHA512
9e91f25f6444f1217656b625c96e6d37a5a29c2e666443b91ab865a3eccd12c06df7b8d1015f719117749d76fd215985daa18aac94e956f83c851711561866e5

Download Submit
C:\Windows\System32\perfc007.dat

Filesize
145KB

MD5
19c7052de3b7281b4c1c6bfbb543c5dc

SHA1
d2e12081a14c1069c89f2cee7357a559c27786e7

SHA256
14ed6cb3198e80964cbc687a60aed24fb68d1bbd7588f983dc1fc6ae63514b4a

SHA512
289ca791909882c857014bd24e777fa84b533896508b562051b529d4c27e0d98bc41c801c6384b382f5dc0fa584dc8f713939c636543b0a5cf5ea2b396300f83

Download Submit
C:\Windows\System32\perfc00A.dat

Filesize
154KB

MD5
f0ecfbfa3e3e59fd02197018f7e9cb84

SHA1
961e9367a4ef3a189466c0a0a186faf8958bdbc4

SHA256
cfa293532a1b865b95093437d82bf8b682132aa335957f0c6d95edfbcc372324

SHA512
116e648cb3b591a6a94da5ef11234778924a2ff9e0b3d7f6f00310d8a58914d12f5ee1b63c2f88701bb00538ad0e42ae2561575333c5a1d63bb8c86863ac6294

Download Submit
C:\Windows\System32\perfc00C.dat

Filesize
145KB

MD5
ce233fa5dc5adcb87a5185617a0ff6ac

SHA1
2e2747284b1204d3ab08733a29fdbabdf8dc55b9

SHA256
68d4de5e72cfd117151c44dd6ec74cf46fafd6c51357895d3025d7dac570ce31

SHA512
1e9c8e7f12d7c87b4faa0d587a8b374e491cd44f23e13fdb64bde3bc6bf3f2a2d3aba5444a13b199a19737a8170ee8d4ead17a883fbaee66b8b32b35b7577fc2

Download Submit
C:\Windows\System32\perfc010.dat

Filesize
142KB

MD5
d73172c6cb697755f87cd047c474cf91

SHA1
abc5c7194abe32885a170ca666b7cce8251ac1d6

SHA256
9de801eebbe32699630f74082c9adea15069acd5afb138c9ecd5d4904e3cdc57

SHA512
7c9e4126bed6bc94a211281eed45cee30452519f125b82b143f78da32a3aac72d94d31757e1da22fb2f8a25099ffddec992e2c60987efb9da9b7a17831eafdf6

Download Submit
C:\Windows\System32\perfc011.dat

Filesize
114KB

MD5
1f998386566e5f9b7f11cc79254d1820

SHA1
e1da5fe1f305099b94de565d06bc6f36c6794481

SHA256
1665d97fb8786b94745295feb616a30c27af84e8a5e1d25cd1bcaf70723040ea

SHA512
a7c9702dd5833f4d6d27ce293efb9507948a3b05db350fc9909af6a48bd649c7578f856b4d64d87df451d0efbe202c62da7fffcac03b3fe72c7caaea553de75f

Download Submit
C:\Windows\System32\perfh007.dat

Filesize
680KB

MD5
b69ab3aeddb720d6ef8c05ff88c23b38

SHA1
d830c2155159656ed1806c7c66cae2a54a2441fa

SHA256
24c81302014118e07ed97eaac0819ecf191e0cc3d69c02b16ecda60ac4718625

SHA512
4c7a99d45fb6e90c206439dcdd7cd198870ea5397a6584bb666eed53a8dc36faaac0b9cfc786a3ab4ecbbecc3a4ddd91560246d83b3319f2e37c1ed4bdbec32d

Download Submit
C:\Windows\System32\perfh009.dat

Filesize
646KB

MD5
aecab86cc5c705d7a036cba758c1d7b0

SHA1
e88cf81fd282d91c7fc0efae13c13c55f4857b5e

SHA256
9bab92e274fcc0af88a7fdd143c9045b9d3a13cac2c00b63f00b320128dcc066

SHA512
e0aa8da41373fc64d0e3dc86c9e92a9dd5232f6bcae42dfe6f79012d7e780de85511a9ec6941cb39476632972573a18063d3ecd8b059b1d008d34f585d9edbe8

Download Submit
C:\Windows\System32\perfh00A.dat

Filesize
727KB

MD5
7d0bac4e796872daa3f6dc82c57f4ca8

SHA1
b4f6bbe08fa8cd0784a94ac442ff937a3d3eea0a

SHA256
ce2ef9fc248965f1408d4b7a1e6db67494ba07a7bbdfa810418b30be66ad5879

SHA512
145a0e8543e0d79fe1a5ce268d710c807834a05da1e948f84d6a1818171cd4ef077ea44ba1fe439b07b095721e0109cbf7e4cfd7b57519ee44d9fd9fe1169a3e

Download Submit
C:\Windows\System32\perfh00C.dat

Filesize
727KB

MD5
5f684ce126de17a7d4433ed2494c5ca9

SHA1
ce1a30a477daa1bac2ec358ce58731429eafe911

SHA256
2e2ba0c47e71991d646ec380cde47f44318d695e6f3f56ec095955a129af1c2c

SHA512
4d0c2669b5002da14d44c21dc2f521fb37b6b41b61bca7b2a9af7c03f616dda9ca825f79a81d3401af626a90017654f9221a6ccc83010ff73de71967fc2f3f5b

Download Submit
C:\Windows\System32\perfh010.dat

Filesize
722KB

MD5
4623482c106cf6cc1bac198f31787b65

SHA1
5abb0decf7b42ef5daf7db012a742311932f6dad

SHA256
eceda45aedbf6454b79f010c891bead3844d43189972f6beeb5ccddb13cc0349

SHA512
afecefcec652856dd8b4275f11d75a68a582337b682309c4b61fd26ed7038b92e6b9aa72c1bfc350ce2caf5e357098b54eb1e448a4392960f9f82e01c447669f

Download Submit
C:\Windows\System32\perfh011.dat

Filesize
406KB

MD5
54c674d19c0ff72816402f66f6c3d37c

SHA1
2dcc0269545a213648d59dc84916d9ec2d62a138

SHA256
646d4ea2f0670691aa5b998c26626ede7623886ed3ac9bc9679018f85e584bb5

SHA512
4d451e9bef2c451cb9e86c7f4d705be65787c88df5281da94012bfbe5af496718ec3e48099ec3dff1d06fee7133293f10d649866fe59daa7951aebe2e5e67c1f

Download Submit
C:\Windows\System32\wbem\Performance\WmiApRpl.h

Filesize
3KB

MD5
b133a676d139032a27de3d9619e70091

SHA1
1248aa89938a13640252a79113930ede2f26f1fa

SHA256
ae2b6236d3eeb4822835714ae9444e5dcd21bc60f7a909f2962c43bc743c7b15

SHA512
c6b99e13d854ce7a6874497473614ee4bd81c490802783db1349ab851cd80d1dc06df8c1f6e434aba873a5bbf6125cc64104709064e19a9dc1c66dcde3f898f5

Download Submit
C:\Windows\System32\wbem\Performance\WmiApRpl.ini

Filesize
27KB

MD5
46d08e3a55f007c523ac64dce6dcf478

SHA1
62edf88697e98d43f32090a2197bead7e7244245

SHA256
5b15b1fc32713447c3fbc952a0fb02f1fd78c6f9ac69087bdb240625b0282614

SHA512
b1f42e70c0ba866a9ed34eb531dbcbae1a659d7349c1e1a14b18b9e23d8cbd302d8509c6d3a28bc7509dd92e83bcb400201fb5d5a70f613421d81fe649d02e42

Download Submit
\Users\Admin\AppData\Local\Temp\gxp2ldcg.bpt.exe

Filesize
161KB

MD5
94f1ab3a068f83b32639579ec9c5d025

SHA1
38f3d5bc5de46feb8de093d11329766b8e2054ae

SHA256
879cc20b41635709bb304e315aaa5ca4708b480a1bfc2f4935fcf2215188efb0

SHA512
44d5236a804d63302b21ca25ebc148a64605508d03c990a244c44ceb8630849da0510b7b2d0bee72e01ca6681e2d86d7e6aee8847674a26f0028d149b9abee0c

Download Submit
memory/432-26-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/432-38-0x0000000000D40000-0x0000000000D6B000-memory.dmp

Filesize
172KB

Download
memory/432-15-0x0000000000BF0000-0x0000000000C15000-memory.dmp

Filesize
148KB

Download
memory/432-17-0x0000000000D40000-0x0000000000D6B000-memory.dmp

Filesize
172KB

Download
memory/432-18-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/432-19-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/432-24-0x0000000000BF0000-0x0000000000C15000-memory.dmp

Filesize
148KB

Download
memory/480-191-0x00000000000A0000-0x00000000000CB000-memory.dmp

Filesize
172KB

Download
memory/480-25-0x00000000000A0000-0x00000000000CB000-memory.dmp

Filesize
172KB

Download
memory/480-27-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/480-28-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/480-32-0x00000000000A0000-0x00000000000CB000-memory.dmp

Filesize
172KB

Download
memory/488-60-0x00000000000E0000-0x000000000010B000-memory.dmp

Filesize
172KB

Download
memory/488-52-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/488-51-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/488-48-0x00000000000E0000-0x000000000010B000-memory.dmp

Filesize
172KB

Download
memory/760-411-0x0000000000CA0000-0x0000000000CCB000-memory.dmp

Filesize
172KB

Download
memory/760-63-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/760-64-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/760-66-0x0000000000CA0000-0x0000000000CCB000-memory.dmp

Filesize
172KB

Download
memory/760-62-0x0000000000CA0000-0x0000000000CCB000-memory.dmp

Filesize
172KB

Download
memory/956-413-0x0000000000CE0000-0x0000000000D0B000-memory.dmp

Filesize
172KB

Download
memory/956-67-0x0000000000CE0000-0x0000000000D0B000-memory.dmp

Filesize
172KB

Download
memory/956-68-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/956-69-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/956-83-0x0000000000CE0000-0x0000000000D0B000-memory.dmp

Filesize
172KB

Download
memory/1000-72-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/1000-412-0x0000000000340000-0x000000000036B000-memory.dmp

Filesize
172KB

Download
memory/1000-71-0x0000000000340000-0x000000000036B000-memory.dmp

Filesize
172KB

Download
memory/1000-81-0x0000000000340000-0x000000000036B000-memory.dmp

Filesize
172KB

Download
memory/1000-73-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/1060-77-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/1060-78-0x0000000037280000-0x0000000037290000-memory.dmp

Filesize
64KB

Download
memory/1060-75-0x0000000000CD0000-0x0000000000CFB000-memory.dmp

Filesize
172KB

Download
memory/1096-86-0x000007FEBED80000-0x000007FEBED90000-memory.dmp

Filesize
64KB

Download
memory/1096-84-0x0000000002060000-0x000000000208B000-memory.dmp

Filesize
172KB

Download
memory/1716-235-0x0000000000AA0000-0x0000000000DF4000-memory.dmp

Filesize
3.3MB

Download
memory/2636-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp

Filesize
4KB

Download
memory/2636-1-0x00000000010A0000-0x00000000013F4000-memory.dmp

Filesize
3.3MB

Download
memory/2636-2-0x00000000003E0000-0x000000000040C000-memory.dmp

Filesize
176KB

Download
memory/2636-82-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp

Filesize
4KB

Download
memory/2636-204-0x000000001BDD0000-0x000000001C0F4000-memory.dmp

Filesize
3.1MB

Download
memory/2636-205-0x000000001B6C0000-0x000000001B740000-memory.dmp

Filesize
512KB

Download
memory/2760-14-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2760-101-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2760-13-0x0000000077241000-0x0000000077342000-memory.dmp

Filesize
1.0MB

Download
memory/2760-12-0x0000000077020000-0x000000007713F000-memory.dmp

Filesize
1.1MB

Download
memory/2760-11-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2760-254-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download