mercurialgrabber | 5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Quantum.exe

Deletes itself 1 IoCs

pid	Process
928	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe
1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe
468	$77-Quantum.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	$77-Quantum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	$77-Quantum.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	ip4.seeip.org
4	ip-api.com
6	ip4.seeip.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Quantum.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Quantum.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1104	520	WerFault.exe	27

Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	Quantum.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	Quantum.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Quantum.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

pid	Process
364	schtasks.exe
1804	schtasks.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	Quantum.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	Quantum.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	Quantum.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	Quantum.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	$77-Quantum.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	$77-Quantum.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1572	PING.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
960	powershell.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
468	$77-Quantum.exe
1672	$77-Quantum.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	Quantum.exe
Token: SeDebugPrivilege	468	$77-Quantum.exe
Token: SeDebugPrivilege	960	powershell.exe
Token: SeDebugPrivilege	1060	$77-Unreal.exe
Token: SeDebugPrivilege	1060	$77-Unreal.exe
Token: SeDebugPrivilege	1672	$77-Quantum.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1060	$77-Unreal.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 520	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	27
PID 1824 wrote to memory of 520	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	27
PID 1824 wrote to memory of 520	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	27
PID 1824 wrote to memory of 520	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	27
PID 1824 wrote to memory of 468	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	29
PID 1824 wrote to memory of 468	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	29
PID 1824 wrote to memory of 468	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	29
PID 1824 wrote to memory of 468	1824	5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe	29
PID 468 wrote to memory of 364	468	$77-Quantum.exe	31
PID 468 wrote to memory of 364	468	$77-Quantum.exe	31
PID 468 wrote to memory of 364	468	$77-Quantum.exe	31
PID 468 wrote to memory of 364	468	$77-Quantum.exe	31
PID 468 wrote to memory of 1060	468	$77-Quantum.exe	33
PID 468 wrote to memory of 1060	468	$77-Quantum.exe	33
PID 468 wrote to memory of 1060	468	$77-Quantum.exe	33
PID 468 wrote to memory of 1060	468	$77-Quantum.exe	33
PID 468 wrote to memory of 960	468	$77-Quantum.exe	34
PID 468 wrote to memory of 960	468	$77-Quantum.exe	34
PID 468 wrote to memory of 960	468	$77-Quantum.exe	34
PID 468 wrote to memory of 960	468	$77-Quantum.exe	34
PID 520 wrote to memory of 1104	520	Quantum.exe	36
PID 520 wrote to memory of 1104	520	Quantum.exe	36
PID 520 wrote to memory of 1104	520	Quantum.exe	36
PID 1060 wrote to memory of 1804	1060	$77-Unreal.exe	37
PID 1060 wrote to memory of 1804	1060	$77-Unreal.exe	37
PID 1060 wrote to memory of 1804	1060	$77-Unreal.exe	37
PID 1060 wrote to memory of 1804	1060	$77-Unreal.exe	37
PID 468 wrote to memory of 1092	468	$77-Quantum.exe	39
PID 468 wrote to memory of 1092	468	$77-Quantum.exe	39
PID 468 wrote to memory of 1092	468	$77-Quantum.exe	39
PID 468 wrote to memory of 1092	468	$77-Quantum.exe	39
PID 1092 wrote to memory of 928	1092	cmd.exe	41
PID 1092 wrote to memory of 928	1092	cmd.exe	41
PID 1092 wrote to memory of 928	1092	cmd.exe	41
PID 1092 wrote to memory of 928	1092	cmd.exe	41
PID 468 wrote to memory of 1460	468	$77-Quantum.exe	42
PID 468 wrote to memory of 1460	468	$77-Quantum.exe	42
PID 468 wrote to memory of 1460	468	$77-Quantum.exe	42
PID 468 wrote to memory of 1460	468	$77-Quantum.exe	42
PID 1460 wrote to memory of 1256	1460	cmd.exe	44
PID 1460 wrote to memory of 1256	1460	cmd.exe	44
PID 1460 wrote to memory of 1256	1460	cmd.exe	44
PID 1460 wrote to memory of 1256	1460	cmd.exe	44
PID 1460 wrote to memory of 1572	1460	cmd.exe	45
PID 1460 wrote to memory of 1572	1460	cmd.exe	45
PID 1460 wrote to memory of 1572	1460	cmd.exe	45
PID 1460 wrote to memory of 1572	1460	cmd.exe	45
PID 1460 wrote to memory of 1672	1460	cmd.exe	46
PID 1460 wrote to memory of 1672	1460	cmd.exe	46
PID 1460 wrote to memory of 1672	1460	cmd.exe	46
PID 1460 wrote to memory of 1672	1460	cmd.exe	46

C:\Users\Admin\AppData\Local\Temp\5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe
"C:\Users\Admin\AppData\Local\Temp\5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Roaming\Myra\Quantum.exe
  "C:\Users\Admin\AppData\Roaming\Myra\Quantum.exe"
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Checks SCSI registry key(s)
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 520 -s 1832
    3⤵
    - Program crash
    PID:1104
- C:\Users\Admin\AppData\Roaming\Quantum1\$77-Quantum.exe
  "C:\Users\Admin\AppData\Roaming\Quantum1\$77-Quantum.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "SR-Client" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Quantum1\$77-Quantum.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:364
- - C:\Users\Admin\AppData\Roaming\SubDir\$77-Unreal.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\$77-Unreal.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1060
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SR-Client" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\$77-Unreal.exe" /rl HIGHEST /f
      4⤵
      Creates scheduled task(s)
      PID:1804
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:960
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
      4⤵
      Deletes itself
      PID:928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\yR1xeoYK5EHO.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1460
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:1256
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      Runs ping.exe
      PID:1572
  - - C:\Users\Admin\AppData\Roaming\Quantum1\$77-Quantum.exe
      "C:\Users\Admin\AppData\Roaming\Quantum1\$77-Quantum.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Modify Existing Service

T1031

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Disabling Security Tools

T1089

Install Root Certificate

T1130

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

Remote System Discovery

T1018

System Information Discovery