donutloader | e55cbde9ad71d3e41f5599325f2f54d6a8b91e2ad0a5852dc026411970e5114f

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/10/2026, 17:50

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General

Target
2026-10-15_44aa72d645a00463e4344dd8aca5f442_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Size 10.3MB
Sample261016-wevbxaat3m
SHA256 e55cbde9ad71d3e41f5599325f2f54d6a8b91e2ad0a5852dc026411970e5114f
MD5 44aa72d645a00463e4344dd8aca5f442
SHA1 567f4b5fd3492a5735758f7e13b365b2e2a1f6a0
SHA512 d0f10317b159247308bb8afa20ee997b278343765e2064e2f73b5b6c15b6b319fd44ef2cec6aa378d4b26d1f5f3eb84e4beede0f84ebcc59ca5c3f5622b5ae88
SSDEEP 196608:AJHcl2zBXyHZmvR9NI6ywz6j0yqiWyf04Kplxies//K9xxyfL1+:n4BYZm/Nhys6AVkcLx4/s6L0
TLSH
T111B6333C87E940BDD1A37BB88E42962DF27BF48556BAD703073509C56F237809DA4B92
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution donutloader loader persistence

Malware Config

Signatures

Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
loader donutloader

Detects DonutLoader 1 IoCs

loader

resource	yara_rule
behavioral1/memory/5908-70-0x00000154C62E0000-0x00000154C6C23000-memory.dmp	family_donutloader

Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4252	powershell.exe
2056	powershell.exe
5592	powershell.exe
5020	powershell.exe
2460	powershell.exe
2908	powershell.exe
5020	powershell.exe
2460	powershell.exe
2908	powershell.exe
4252	powershell.exe
5592	powershell.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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	2026-10-15_44aa72d645a00463e4344dd8aca5f442_cryptbot_icedid_luca-stealer_njrat_stealc.exe

Executes dropped EXE 2 IoCs

pid	Process
5908	WinUpdate_Helper.exe
3224	sysupdate.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

defense_evasion

Debugger Evasion

T1622

pid	Process
5908	WinUpdate_Helper.exe

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 1 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
2276	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WinUpdate_Helper.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WinUpdate_Helper.exe

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

T1053.005

pid	Process
3028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
5020	powershell.exe
5020	powershell.exe
2460	powershell.exe
2460	powershell.exe
2460	powershell.exe
2908	powershell.exe
2908	powershell.exe
2908	powershell.exe
4252	powershell.exe
4252	powershell.exe
4252	powershell.exe
2056	powershell.exe
2056	powershell.exe
5592	powershell.exe
5592	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	2460	powershell.exe
Token: SeDebugPrivilege	2908	powershell.exe
Token: SeDebugPrivilege	4252	powershell.exe
Token: SeDebugPrivilege	2056	powershell.exe
Token: SeDebugPrivilege	5592	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 2276	4664	2026-10-15_44aa72d645a00463e4344dd8aca5f442_cryptbot_icedid_luca-stealer_njrat_stealc.exe	86
PID 2276 wrote to memory of 5908	2276	cmd.exe	99
PID 5908 wrote to memory of 5020	5908	WinUpdate_Helper.exe	100
PID 5908 wrote to memory of 2460	5908	WinUpdate_Helper.exe	104
PID 5908 wrote to memory of 2908	5908	WinUpdate_Helper.exe	107
PID 5908 wrote to memory of 4252	5908	WinUpdate_Helper.exe	109
PID 5908 wrote to memory of 2056	5908	WinUpdate_Helper.exe	111
PID 2056 wrote to memory of 3028	2056	powershell.exe	113
PID 5908 wrote to memory of 5592	5908	WinUpdate_Helper.exe	114

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\2026-10-15_44aa72d645a00463e4344dd8aca5f442_cryptbot_icedid_luca-stealer_njrat_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-15_44aa72d645a00463e4344dd8aca5f442_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\stub.bat" "
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\WinUpdate_Helper.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\WinUpdate_Helper.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Reads the TCP/IP host and domain name from the registry
    - Suspicious use of WriteProcessMemory
    PID:5908
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RarSFX0\WinUpdate_Helper.exe' -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5020
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows' -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2460
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\sysupdate.exe' -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2908
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionProcess 'sysupdate.exe' -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4252
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "schtasks /create /tn 'WindowsRuntimeUpdate' /tr '\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\sysupdate.exe\"' /sc onlogon /delay 0000:30 /rl highest /f"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2056
    - - C:\Windows\system32\schtasks.exe
        
        "C:\Windows\system32\schtasks.exe" /create /tn WindowsRuntimeUpdate /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\sysupdate.exe" /sc onlogon /delay 0000:30 /rl highest /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:3028
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows' -ErrorAction SilentlyContinue"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5592

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\sysupdate.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\sysupdate.exe
1⤵
- Executes dropped EXE
PID:3224

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

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

Debugger Evasion

T1622

Credential Access

Discovery

Debugger Evasion

T1622

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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