donutloader | 54cfc24834d34abefe3691137579845d278a455f331c36de0315a6f89b8d4906

Analysis

max time kernel
149s
max time network
120s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/07/2026, 05:44

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General

Target
Ekstre.js
Size 1.2MB
Sample260707-ge76faay9x
SHA256 54cfc24834d34abefe3691137579845d278a455f331c36de0315a6f89b8d4906
MD5 3c40dad7adc217911f0321721b34c676
SHA1 5c0f353a9445116e590fe315197d585cd3a3159c
SHA512 69365f965288bc3f069a0740d1e8d43bb9f73382f13e438a4c6bf00c366efae470f37f57b633b1bad1ea25b79ae3278a6ddb545704d6cdbde2a47d28d7967c15
SSDEEP 24576:X8NWLcJ4h0CXmU5lJJKWSdULu9i6NjueW:XqJkXt5lJJjSjN1W
TLSH
T14B453354EE0AAD6B864CA32CBCA62E0D2EBB4F69411FD6D3C6B514E7580FB01434796C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

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
behavioral2/memory/2136-35-0x0000000000540000-0x000000000058E000-memory.dmp	family_donutloader

Executes dropped EXE 2 IoCs

pid	Process
3392	vijewyufveonabghulluonouceyasi.exe
6052	vijewyufveonabghulluonouceyasi.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1581435544-3586420778-2104125077-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows32 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SetupFiles\\vijewyufveonabghulluonouceyasi.exe\" \"C:\\Users\\Admin\\AppData\\Roaming\\SetupFiles\\wwmaw\""	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3548	powershell.exe

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

System Information Discovery
T1082

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	vijewyufveonabghulluonouceyasi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vijewyufveonabghulluonouceyasi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msra.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3548	powershell.exe
3548	powershell.exe
5552	powershell.exe
5552	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3548	powershell.exe
Token: SeDebugPrivilege	5552	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5988 wrote to memory of 3548	5988	wscript.exe	87
PID 5988 wrote to memory of 5824	5988	wscript.exe	89
PID 5824 wrote to memory of 5552	5824	cmd.exe	91
PID 5552 wrote to memory of 6052	5552	powershell.exe	95
PID 3392 wrote to memory of 2136	3392	vijewyufveonabghulluonouceyasi.exe	96
PID 3392 wrote to memory of 2136	3392	vijewyufveonabghulluonouceyasi.exe	96
PID 6052 wrote to memory of 628	6052	vijewyufveonabghulluonouceyasi.exe	97
PID 6052 wrote to memory of 628	6052	vijewyufveonabghulluonouceyasi.exe	97
PID 628 wrote to memory of 2828	628	msra.exe	98
PID 2136 wrote to memory of 3520	2136	msra.exe	99

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Ekstre.js
1⤵
- Suspicious use of WriteProcessMemory
PID:5988
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$in='C:\Users\Admin\AppData\Local\Temp\tmp539272.bat.gz';$out='C:\Users\Admin\AppData\Local\Temp\tmp539272.bat';$fs=New-Object IO.FileStream($in,[IO.FileMode]::Open);$gz=New-Object IO.Compression.GzipStream($fs,[IO.Compression.CompressionMode]::Decompress);$ms=New-Object IO.MemoryStream;$gz.CopyTo($ms);$gz.Close();$fs.Close();[IO.File]::WriteAllBytes($out,$ms.ToArray());Remove-Item $in"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3548
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp539272.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5824
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -w h -exec bypass -F "C:\Users\Admin\AppData\Local\Temp\aqxuklgowzoifs.ps1"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5552
  - - C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe
      "C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:6052
    - - C:\Windows\SysWOW64\msra.exe
        
        C:\Windows\Syswow64\msra.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:628
      - C:\Windows\system32\msra.exe
        
        "C:\Windows\system32\msra.exe"
        6⤵
        
        PID:2828

C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe
"C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" "C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Windows\SysWOW64\msra.exe
  C:\Windows\Syswow64\msra.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\system32\msra.exe
    "C:\Windows\system32\msra.exe"
    3⤵
    PID:3520

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 433e2ebbae61643de3ec2d4afd473a5484cf30f032e366ee653b01710c93ba5b
MD5 1083813d91904cbea596b2a60050fae3
SHA1 37807203397fdaba81b8a04c1afd0f78f1c36d71
SHA512 3d615e0055a740b47c6925b0ec234596bb7eb6ba03a8a3aa693961ba90597268690f7fa848d1b054e1ca95295930203e4e69876df35b61543d8710f76df4d182
TLSH
T1CD217F37B3DC8714DC9A413A50CDAC1036B5C7D7409ECF6B7B84D544B42F599DE61150
MD5 SHA1 SHA512 TLSH

Submit Download

tmp539272.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp539272.bat
Size 1.2MB
SHA256 79368c69ddb0b1ed0562713e686460fb0c44a3d6008ab6f91b511245d3619429
MD5 5ade39d91106fa6a68d32e23b1e48b9e
SHA1 18b4bd798ad96cf42d2424c7373a1e4566a1a414
SHA512 6c1f7aa0abf369f48e3a098c5d620173f0f23a03ef1d73172019c0c21a5ffda74e4b4d636c8ddf75739bcc10ce832942067df8340cb3161efb903bf1d510f5da
SSDEEP 24576:EHeG5FboaybYZIsutc6uhJFxyLow588JBrBuJGaHOXs12Q5JS:BSoa8lLTZJ5cX5s
TLSH
T1B64533911D7B99F98398827831DF0F2D348A5E4A19B5FBA641C7B9C106ABF10911E8FC
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp539272.bat.gz

Path C:\Users\Admin\AppData\Local\Temp\tmp539272.bat.gz
Size 935KB
SHA256 aceff97ed231dc4ad270de550f0dcb37fd3241e26c68b71b6c00773deb8d9af0
MD5 9c1e5099b59deb3b817cc16208e740fb
SHA1 a5411bfab7d5c808cc255e359d13e3399a5f1593
SHA512 6e2394c3a056f5469ba5be2c87b7bea411bb1f0e0fc94a4cd34ffad2394837e5d4ed7d9dd69b25ee74cdb52f8d9daf202984c65899697044c124a41900be1161
SSDEEP 24576:jHpLWATuxMTOFmGESR3sQWNMJliKkT7qxSK52:jHlluxJFmzM3XJlTpk
TLSH
T1501533273756BDED96AD3FD7F41299E901CC40233849E7E48215CA6443E5AEBB22306F
MD5 SHA1 SHA512 SSDEEP TLSH

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Ennnn

Path C:\Users\Admin\AppData\Roaming\SetupFiles\Ennnn
Size 310KB
SHA256 ebda955fa8856ae023b2d0dae136e741f356245dc2ac6ca4a741885a3e2cae15
MD5 fa5275b0171840fa1ac82e2b9700dacb
SHA1 a10479a2210cea2692337b3ad61e409fb13647e6
SHA512 75b848aefc7017c628b031b702a2ed03785b14f2a2d72a92fe5176c12fc8a9b711e7a1710b5a8f9c3d714b59ef5577c8d1895421b5c3e6d4ef2b7bd9c3b2f70d
SSDEEP 6144:+GqrwnMxs8FiDYyj0neUcE6p9JxE4Qp+N8IHhlqAjo6mFkLduXzXWS9pSPaUy+dV:QpsCUYY0eUGE4QciIH5jLOkLduqSLsWo
TLSH
T1CD641260E58849ED35357D1FE6AB1DBA4F2C079D1B7D80744EA6D34E8F2938937A420C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

vijewyufveonabghulluonouceyasi.exe

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

Submit Download

wwmaw

Path C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw
Size 1KB
SHA256 5d6462d38e0302bc438956182201b912d227a33fcbe679623310b6ad57567863
MD5 3d4260109b0bb35439d4609d12b89d98
SHA1 ce75483e401f009fd0dfa767a9e0f2ed4856c4bd
SHA512 627ad4e92c35a2ab922a382618b4ea6d3aa9234b02d1b910e281cf46acb7e3b2277408f72e6b154658cd28bfcd6248222f49f8ed7d440b79954f93eff8868c0d
TLSH
T18531E0981E77E6430265D3CABE3BCB037B185995A1AD06523BD30A602914E5DFC8678B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2136-35-0x0000000000540000-0x000000000058E000-memory.dmp

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memory/3548-7-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-14-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-13-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-9-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-8-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-1-0x00007FFDCBF0F000-0x00007FFDCBF10000-memory.dmp

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memory/3548-6-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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memory/3548-4-0x00000124FDF30000-0x00000124FDF52000-memory.dmp

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memory/3548-5-0x00007FFDCBD80000-0x00007FFDCC724000-memory.dmp

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