donutloader | 903dc819a9dd053f4aa0f45e8fc0cf611b413b3b5347f9fe35894721c0775f1e

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VDKSFMKXJPKBTXTP.PIF

Executes dropped EXE 1 IoCs

pid	Process
2776	VDKSFMKXJPKBTXTP.PIF

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VDKSFMKXJPKBTXTP.PIF
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VDKSFMKXJPKBTXTP.PIF
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VDKSFMKXJPKBTXTP.PIF

Looks up external IP address via web service 1 TTPs 3 IoCs

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

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	ip-api.com
10	api.ipify.org
1	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 3 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4232	cmd.exe
1096	cmd.exe
728	cmd.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	VDKSFMKXJPKBTXTP.PIF
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	VDKSFMKXJPKBTXTP.PIF

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

defense_evasion spyware trojan

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	VDKSFMKXJPKBTXTP.PIF
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	VDKSFMKXJPKBTXTP.PIF

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\	wscript.exe

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\SystemCertificates\CA\Certificates\9577F91FE86C27D9912129730E8166373FC2EEB8	VDKSFMKXJPKBTXTP.PIF
Set value (data)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\SystemCertificates\CA\Certificates\9577F91FE86C27D9912129730E8166373FC2EEB8\Blob = 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	VDKSFMKXJPKBTXTP.PIF

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
4632	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2776	VDKSFMKXJPKBTXTP.PIF

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF
2776	VDKSFMKXJPKBTXTP.PIF

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	VDKSFMKXJPKBTXTP.PIF

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	272	whoami.exe
Token: SeDebugPrivilege	2776	VDKSFMKXJPKBTXTP.PIF
Token: SeDebugPrivilege	2776	VDKSFMKXJPKBTXTP.PIF
Token: SeDebugPrivilege	2776	VDKSFMKXJPKBTXTP.PIF

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2776	VDKSFMKXJPKBTXTP.PIF

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2776	4828	wscript.exe	90
PID 2776 wrote to memory of 4232	2776	VDKSFMKXJPKBTXTP.PIF	92
PID 4232 wrote to memory of 272	4232	cmd.exe	93
PID 2776 wrote to memory of 1096	2776	VDKSFMKXJPKBTXTP.PIF	94
PID 1096 wrote to memory of 2608	1096	cmd.exe	95
PID 2776 wrote to memory of 728	2776	VDKSFMKXJPKBTXTP.PIF	96
PID 728 wrote to memory of 4632	728	cmd.exe	97
PID 2776 wrote to memory of 5296	2776	VDKSFMKXJPKBTXTP.PIF	100
PID 2776 wrote to memory of 5296	2776	VDKSFMKXJPKBTXTP.PIF	100
PID 2776 wrote to memory of 5652	2776	VDKSFMKXJPKBTXTP.PIF	103
PID 2776 wrote to memory of 5652	2776	VDKSFMKXJPKBTXTP.PIF	103
PID 2776 wrote to memory of 3244	2776	VDKSFMKXJPKBTXTP.PIF	106
PID 2776 wrote to memory of 3244	2776	VDKSFMKXJPKBTXTP.PIF	106
PID 2776 wrote to memory of 1488	2776	VDKSFMKXJPKBTXTP.PIF	110
PID 2776 wrote to memory of 1488	2776	VDKSFMKXJPKBTXTP.PIF	110

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

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VDKSFMKXJPKBTXTP.PIF

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VDKSFMKXJPKBTXTP.PIF

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase order - VME5254.js"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\Documents\VDKSFMKXJPKBTXTP.PIF
  "C:\Users\Admin\Documents\VDKSFMKXJPKBTXTP.PIF" C:\Users\Admin\Documents\VDKSFMKXJPKBTXTP.ttf
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies system certificate store
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2776
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c whoami
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4232
  - - C:\Windows\system32\whoami.exe
      whoami
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:272
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c schtasks /query /tn "VDKSFMKXJPKBTXTP" 2>nul
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1096
  - - C:\Windows\system32\schtasks.exe
      schtasks /query /tn "VDKSFMKXJPKBTXTP"
      4⤵
      PID:2608
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c schtasks /create /sc minute /mo 15 /tn "VDKSFMKXJPKBTXTP" /tr "cmd /c \"C:\Users\Admin\Documents\PTXTBKPJXKMFSKDV.url\"" /ru "frptrmxs\admin" /f /it
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:728
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /sc minute /mo 15 /tn "VDKSFMKXJPKBTXTP" /tr "cmd /c \"C:\Users\Admin\Documents\PTXTBKPJXKMFSKDV.url\"" /ru "frptrmxs\admin" /f /it
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4632
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:5296
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:5652
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3244
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1488

C:\Windows\system32\cmd.exe
cmd
1⤵
PID:2584

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4616

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:3784

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4312

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:2892

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Browser Information Discovery

T1217

Query Registry

System Information Discovery