donutloader | c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31

Analysis

max time kernel
148s
max time network
110s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 04:16

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General

Target
HECFfn98j1.vbs
Size 1.2MB
Sample260710-evywlaes2w
SHA256 c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31
MD5 c4fa39a17f0512fd83ac8d2a9bd398b0
SHA1 71a808650ae63d4cc658822e077e22d5ff058d7e
SHA512 0c4ed4f90f042da9e1e50145f128a718994d763ca93eba2ac90a19bdd34244e314039789746e16cd9bcec24028abe8f5bf4de36eac16b8388627eac4682c5728
SSDEEP 24576:00cOj1cR8v7rP7QiGem9wouCUBfgVXpbi31BK2NBnrc2k5jwvPH:0XOJTrjQFCFCUZmYH
TLSH
T1F2452341EF8F3E300FB4AA38B07E6F0D9F30CA9D9456F499127169831476BC153AE869
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/1668-35-0x0000000000E00000-0x0000000000E4E000-memory.dmp	family_donutloader

Executes dropped EXE 2 IoCs

pid	Process
4676	vijewyufveonabghulluonouceyasi.exe
4416	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-1-5-21-4046655672-1449839301-2197395821-1000\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: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4772	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	charmap.exe
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	charmap.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4772	powershell.exe
4772	powershell.exe
4380	powershell.exe
4380	powershell.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe
616	charmap.exe
1668	charmap.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
616	charmap.exe
1668	charmap.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5936 wrote to memory of 4772	5936	WScript.exe	87
PID 5936 wrote to memory of 2040	5936	WScript.exe	89
PID 2040 wrote to memory of 4380	2040	cmd.exe	91
PID 4380 wrote to memory of 4676	4380	powershell.exe	94
PID 4416 wrote to memory of 1668	4416	vijewyufveonabghulluonouceyasi.exe	96
PID 4416 wrote to memory of 1668	4416	vijewyufveonabghulluonouceyasi.exe	96
PID 4676 wrote to memory of 616	4676	vijewyufveonabghulluonouceyasi.exe	97
PID 4676 wrote to memory of 616	4676	vijewyufveonabghulluonouceyasi.exe	97

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\HECFfn98j1.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:5936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$in='C:\Users\Admin\AppData\Local\Temp\tmp292298.bat.gz';$out='C:\Users\Admin\AppData\Local\Temp\tmp292298.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:4772
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp292298.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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:4380
  - - 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:4676
    - - C:\Windows\SysWOW64\charmap.exe
        
        C:\Windows\Syswow64\charmap.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        
        PID:616

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:4416
- C:\Windows\SysWOW64\charmap.exe
  C:\Windows\Syswow64\charmap.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1668

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Replay Monitor

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 144598ea87965a833e5c847b0c3725dee5fd45304ea32c04cc6080f73f537503
MD5 d0d3fac03f88767610f5a99b8ef62534
SHA1 ea88be022253f1717dc92755386a6b006d8e1161
SHA512 22253d382bb8cd22a7219803e10bcc5d1c070aef98e01f99ac6589d6361d6571c45b89dd5ba1ff3ad4b1c8f01508873878aab9be1526b777a8ae574c3b86c57e
TLSH
T1C921AF37B3CC8714DC8A403A50CDAC1032B5C7D7409ECF6B7B84D544B42F599CE60150
MD5 SHA1 SHA512 TLSH

Submit Download

tmp292298.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp292298.bat
Size 1.2MB
SHA256 ab54abb8b9840f2f90c0d0bacf79c73890b35274b81384cc3929c335d12f9fe7
MD5 bff7d309a379b2c17032a3b7ef7680f3
SHA1 2f64db17ba5d6a40731463e22dcd8b016737abc4
SHA512 0f48058de002c10ac3c7acb2e73efb98c6b4d00b3b3dff280fb02c7be1e42fa7fe930144bd261310610b929149a58fbffaf95c1942c34dd157ea0053df2e71bd
SSDEEP 24576:7S+2+phAOCaQga0L5TaXFftcuJNmK+k1NEkgfoVTi:GSph2Qe9fNnGo4
TLSH
T1D645335065D96EAFCD2CF23A619A3F186F784B23282479FB10F17D943C5EA4449CB12E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp292298.bat.gz

Path C:\Users\Admin\AppData\Local\Temp\tmp292298.bat.gz
Size 933KB
SHA256 a0d445eaa1d3a246eac42e8d50f919e43ce46911aeea7a8ac90e7bb1376894a9
MD5 3899d0955493e20664bfede92b8f2269
SHA1 b0da9e0cf30966a60221c4f541161f8970f6d41c
SHA512 f74ac0ab627cbe652af1f729ff3e9759973f64b9302d36f3fe0a559fe904690de91d414458db874c5b08547aea2b140becd87164ad66f124a904139db074d9af
SSDEEP 12288:yCK5ix6fisVu+T1iDRKyK9WWJsCyVDpdhjeujfe0hROA0k9VjHNqfTvmHfGbJF47:yx5TisVB1AMFsCWt/FTeIOkTqK/GbJY
TLSH
T1CB15331291956F4F750EBCC804E83C16DC7960E2A56E70F8BAC5023A435FD670AB7BE6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Ennnn

Path C:\Users\Admin\AppData\Roaming\SetupFiles\Ennnn
Size 308KB
SHA256 b4597c2ff2a3fa9f09ec2496a0fe986db25bb4bab8193db37027784b44b15be0
MD5 0f95f6f80034de0b988af9f5d307f16c
SHA1 bf744e6aa3612a1dcb371344b5a7fb7429f8b4de
SHA512 fbef263af4293cefc3769f86663ba975ec9266bf89f9bb4e139ca67002af781e684b2aa71a2c5b70f5793f8545bc4402df97ea7036b5aa04097598bf97e7d400
SSDEEP 6144:NRqxIDTsuxXu1+lhWAa+Fan4TOzBxBOli8HE+HEmxbO/GaUy+dV:NRSIfsugME+UIozBOVHkmo+WWV
TLSH
T167641282C9942C6C39926C6BE7E72C7F477803154FB9CB889FF19C9D4B6AF5D2201819
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 dc993f148b69a661d0fab529381b5c19b1765c266bfcba4b56fa5bdb2a825f79
MD5 07e3775f3290d7edf427c3979dd998f4
SHA1 b13c00e0d176cc81729ed0e2ffde94541d21c339
SHA512 5fe43149ba787bbca10d9479d0782a1ad989c66f01abb7a6a1c18e0a3e1bcefadac110d7b706dd3efc9063680b4733a8ffed96bf284c929ca2e6623c2441dd8b
TLSH
T1663100981E77E6030365D3CABE3BCB037B180995A1AD06533BD30A602914E5DFC8678B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1668-37-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/1668-35-0x0000000000E00000-0x0000000000E4E000-memory.dmp

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memory/4772-7-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-13-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-15-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-12-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-11-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-9-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-1-0x00007FFEF623F000-0x00007FFEF6240000-memory.dmp

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memory/4772-6-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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memory/4772-5-0x00000219F8B40000-0x00000219F8B62000-memory.dmp

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memory/4772-2-0x00007FFEF60B0000-0x00007FFEF6A54000-memory.dmp

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