donutloader | e167731c803d881dee8ff37ab793e1d8c58ab1eb109eee561e323454206ae20d

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/10/2026, 09:49

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General

Target
DANFE-NFe00164722085003557049666115-02.10.2026_5630.js
Size 3.9MB
Sample261008-lte6eseb96
SHA256 e167731c803d881dee8ff37ab793e1d8c58ab1eb109eee561e323454206ae20d
MD5 1035efb4e92a564a39dbeb822c7947b1
SHA1 1499aae95bcb599d410df21960c3092233278427
SHA512 4ea1f50ed482b812c2920c46988657a47cffa42614c26e34de7d25c0dc0279ed8b6a811de283945dfd1edc193694ab3ad951aca90324f606b18ca48304acc165
SSDEEP 49152:n4TFXjEwK3xnkoYkZLuUEbljAGJQybRokr3Qq:S
TLSH
T196160246C1279E8C1E08E5F20CB99E846456E98FF004D2B597EEB127FED9B823BF0554
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution donutloader loader

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
behavioral2/memory/4244-11-0x0000000000EE0000-0x0000000000EFE000-memory.dmp	family_donutloader

Executes dropped EXE 1 IoCs

pid	Process
4312	vmvsnryd.exe

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 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
2676	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmvsnryd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexpress.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2676	cmd.exe
3296	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3296	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	iexpress.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 4312	2152	wscript.exe	89
PID 4312 wrote to memory of 4244	4312	vmvsnryd.exe	90
PID 4312 wrote to memory of 4244	4312	vmvsnryd.exe	90
PID 4312 wrote to memory of 2676	4312	vmvsnryd.exe	91
PID 2676 wrote to memory of 3296	2676	cmd.exe	93

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\DANFE-NFe00164722085003557049666115-02.10.2026_5630.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Roaming\IdentityCache\vmvsnryd.exe
  "C:\Users\Admin\AppData\Roaming\IdentityCache\vmvsnryd.exe" "C:\Users\Admin\AppData\Roaming\IdentityCache\zkrfxptr.au3"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4312
- - C:\Windows\SysWOW64\iexpress.exe
    C:\Windows\SysWOW64\iexpress.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 3 127.0.0.1 >nul & del /f /q \"C:\Users\Admin\AppData\Roaming\IdentityCache\vmvsnryd.exe\"
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 3 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3296

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

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tuisdfdafdas

Path C:\Users\Admin\AppData\Roaming\IdentityCache\tuisdfdafdas
Size 118KB
SHA256 0a111e3af471a39423dd7a544e07fa6ff425f0cb071ac00c241254fd21812506
MD5 a05cf233cd2ab1c3ae39a150aa5592c2
SHA1 e3b443c78575d03f838c6bb6f5f899b5105bc37b
SHA512 986c81665af68afb4e49fa2a19996260cdfb6b171ef2d4451de7c515f469fb586c337103f5734ec926844e613f189307804fdee2d85e2838add9d202c6863126
SSDEEP 3072:Q8yNzYbkTDt8wMCcaUT5OkCMkwjWKxuIv8qB:adYQXiZ7nT07mtuIvtB
TLSH
T1D3C312ECC1E4DA8C9C1663D1864E27646BB5EC91EF5EC9CCD8AB13A00BFDD535A0D092
MD5 SHA1 SHA512 SSDEEP TLSH

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vmvsnryd.exe

Path C:\Users\Admin\AppData\Roaming\IdentityCache\vmvsnryd.exe
Size 957KB
SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
MD5 279274f8a137bf31425a9c2c14444b66
SHA1 6f7f971406854309d94139aa70bdc772308aff52
SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
TLSH
T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
MD5 SHA1 SHA512 SSDEEP TLSH

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zkrfxptr.au3

Path C:\Users\Admin\AppData\Roaming\IdentityCache\zkrfxptr.au3
Size 11KB
SHA256 dc545434a1408f958d26684df97ced5388c5594662b934028e3c7b910c21b2bf
MD5 631f6780da9c59950306508d255182af
SHA1 44683cdf306ad3c21c681a52bc532aef479ebb56
SHA512 28f1d6b7a294e56740015717bd81993616d70d3d3e3f516adcbfed8d57a42a805b93e4c31c016654b7772a3dd7133ff89a04a0809cbff2862ccd13db1442fee9
SSDEEP 96:1MeU18eUilMno5MZWkT0GCGIGIGIGIGIGIGIGNNMJJmJFGIG60T0OOGHFmpigvW/:ClMfUa0yi
TLSH
T1FE323CC85D56BFFCDAC3C8554B0DDB4A84E029AA5B3480E9E938F00C407B5BD5AC79A3
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4244-11-0x0000000000EE0000-0x0000000000EFE000-memory.dmp

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memory/4244-13-0x0000000073CE2000-0x0000000073CE3000-memory.dmp

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memory/4244-14-0x0000000005270000-0x000000000528C000-memory.dmp

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memory/4244-15-0x0000000073CD0000-0x000000007448C000-memory.dmp

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memory/4244-16-0x0000000073CD0000-0x000000007448C000-memory.dmp

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memory/4244-17-0x0000000073CD0000-0x000000007448C000-memory.dmp

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memory/4244-18-0x0000000073CE2000-0x0000000073CE3000-memory.dmp

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memory/4244-19-0x0000000073CD0000-0x000000007448C000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads