Analysis
- user interaction
yes - max time kernel
299s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 10:37
Static task
static1
Behavioral task
behavioral1
Sample
mod_analysis.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
mod_analysis.exe
Resource
win11ltsc2024-20260911-en
General
- Target mod_analysis.exe
- Size 1.1MB
- Sample261102-mns1rsswg1
- SHA256 684835fc6ebdc28c2b322ae074d6468f2699e442c534713b4853b8a81c1d08dc
- MD5 86463240be2c8fb494dcc4da56949901
- SHA1 af9e2ba6b5be26f0d703edb82e209e43014d7d07
- SHA512 35ebf8aaa1a5d3515da50e28097759126e1d3cd95d581b089d8ee7a868ffb9e016aa8304b2dc310160b06a388c5e3bda0d6b319b0af7eb2f7b7670ed04cfe6cd
- SSDEEP 24576:BwWOX6eCXt54Vfx/yGbMHa8iQeu2f2SZ/n7Yx:BbCc0x/x66J7
- TLSH T11545CF4423F19E02E379937F40B846C843F9F9056ECBEB12B2953DE39ADE344675A11A
- MD5 SHA1 SHA512 SSDEEP TLSH
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.
- Detects DonutLoader 1 IoCs
resource yara_rule behavioral2/memory/3904-21-0x000001EFC9DE0000-0x000001EFC9FE6000-memory.dmp family_donutloader -
pid Process 2512 powershell.exe 1672 powershell.exe 5908 powershell.exe - Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Repair.lnk mod_analysis.exe - Executes dropped EXE 2 IoCs
pid Process 4408 CoreWorker_iOnudVlKYvGKJaI.exe 4316 CoreWorker_iOnudVlKYvGKJaI.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CoreWorker_iOnudVlKYvGKJaI = "C:\\Users\\Admin\\AppData\\Local\\MpDefenderCoreFolder\\CoreWorker_iOnudVlKYvGKJaI.exe" CoreWorker_iOnudVlKYvGKJaI.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Run\CoreWorker_iOnudVlKYvGKJaI = "C:\\Users\\Admin\\AppData\\Local\\MpDefenderCoreFolder\\CoreWorker_iOnudVlKYvGKJaI.exe" mod_analysis.exe Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Run\CoreWorker_iOnudVlKYvGKJaI = "C:\\Users\\Admin\\AppData\\Local\\MpDefenderCoreFolder\\CoreWorker_iOnudVlKYvGKJaI.exe" CoreWorker_iOnudVlKYvGKJaI.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 ip-api.com - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 4 IoCs
pid Process 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3492 cmd.exe 5276 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain mod_analysis.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname mod_analysis.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 mod_analysis.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier mod_analysis.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe 3904 mod_analysis.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3904 mod_analysis.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeIncreaseQuotaPrivilege 1672 powershell.exe Token: SeSecurityPrivilege 1672 powershell.exe Token: SeTakeOwnershipPrivilege 1672 powershell.exe Token: SeLoadDriverPrivilege 1672 powershell.exe Token: SeSystemProfilePrivilege 1672 powershell.exe Token: SeSystemtimePrivilege 1672 powershell.exe Token: SeProfSingleProcessPrivilege 1672 powershell.exe Token: SeIncBasePriorityPrivilege 1672 powershell.exe Token: SeCreatePagefilePrivilege 1672 powershell.exe Token: SeBackupPrivilege 1672 powershell.exe Token: SeRestorePrivilege 1672 powershell.exe Token: SeShutdownPrivilege 1672 powershell.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeSystemEnvironmentPrivilege 1672 powershell.exe Token: SeRemoteShutdownPrivilege 1672 powershell.exe Token: SeUndockPrivilege 1672 powershell.exe Token: SeManageVolumePrivilege 1672 powershell.exe Token: 33 1672 powershell.exe Token: 34 1672 powershell.exe Token: 35 1672 powershell.exe Token: 36 1672 powershell.exe Token: SeDebugPrivilege 4408 CoreWorker_iOnudVlKYvGKJaI.exe Token: SeDebugPrivilege 4408 CoreWorker_iOnudVlKYvGKJaI.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 5908 powershell.exe Token: SeIncreaseQuotaPrivilege 5908 powershell.exe Token: SeSecurityPrivilege 5908 powershell.exe Token: SeTakeOwnershipPrivilege 5908 powershell.exe Token: SeLoadDriverPrivilege 5908 powershell.exe Token: SeSystemProfilePrivilege 5908 powershell.exe Token: SeSystemtimePrivilege 5908 powershell.exe Token: SeProfSingleProcessPrivilege 5908 powershell.exe Token: SeIncBasePriorityPrivilege 5908 powershell.exe Token: SeCreatePagefilePrivilege 5908 powershell.exe Token: SeBackupPrivilege 5908 powershell.exe Token: SeRestorePrivilege 5908 powershell.exe Token: SeShutdownPrivilege 5908 powershell.exe Token: SeDebugPrivilege 5908 powershell.exe Token: SeSystemEnvironmentPrivilege 5908 powershell.exe Token: SeRemoteShutdownPrivilege 5908 powershell.exe Token: SeUndockPrivilege 5908 powershell.exe Token: SeManageVolumePrivilege 5908 powershell.exe Token: 33 5908 powershell.exe Token: 34 5908 powershell.exe Token: 35 5908 powershell.exe Token: 36 5908 powershell.exe Token: SeIncreaseQuotaPrivilege 2512 powershell.exe Token: SeSecurityPrivilege 2512 powershell.exe Token: SeTakeOwnershipPrivilege 2512 powershell.exe Token: SeLoadDriverPrivilege 2512 powershell.exe Token: SeSystemProfilePrivilege 2512 powershell.exe Token: SeSystemtimePrivilege 2512 powershell.exe Token: SeProfSingleProcessPrivilege 2512 powershell.exe Token: SeIncBasePriorityPrivilege 2512 powershell.exe Token: SeCreatePagefilePrivilege 2512 powershell.exe Token: SeBackupPrivilege 2512 powershell.exe Token: SeRestorePrivilege 2512 powershell.exe Token: SeShutdownPrivilege 2512 powershell.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeSystemEnvironmentPrivilege 2512 powershell.exe Token: SeRemoteShutdownPrivilege 2512 powershell.exe Token: SeUndockPrivilege 2512 powershell.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3904 wrote to memory of 4700 3904 mod_analysis.exe 89 PID 3904 wrote to memory of 4700 3904 mod_analysis.exe 89 PID 3904 wrote to memory of 3516 3904 mod_analysis.exe 90 PID 3904 wrote to memory of 3516 3904 mod_analysis.exe 90 PID 3904 wrote to memory of 3492 3904 mod_analysis.exe 94 PID 3492 wrote to memory of 1672 3492 cmd.exe 96 PID 3904 wrote to memory of 4408 3904 mod_analysis.exe 98 PID 4408 wrote to memory of 2512 4408 CoreWorker_iOnudVlKYvGKJaI.exe 99 PID 4408 wrote to memory of 5276 4408 CoreWorker_iOnudVlKYvGKJaI.exe 101 PID 5276 wrote to memory of 5908 5276 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\mod_analysis.exe"C:\Users\Admin\AppData\Local\Temp\mod_analysis.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:4700
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵PID:3516
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exe"C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command " $action = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exe' $trigger = New-ScheduledTaskTrigger -AtLogOn Register-ScheduledTask -Action $action -Trigger $trigger -TaskName 'CoreWorker_iOnudVlKYvGKJaI-6823' -RunLevel Highest "3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2512
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5276 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:5908
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:1368
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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:3216
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C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exeC:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exe1⤵
- Executes dropped EXE
PID:4316
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
- MD5 acbc65123954839a819fa2495d239bf7
- SHA1 063cff64444a6e3b4be1445b4cecb477e4d6ae47
- SHA512 af07d3f6dcf1779bcc864aabe9e08563b20b8df8238df7bb08a5fe3b4e40d10f2e2a4442a042fe5d7a320e3b8195799ecc885549faa8babb5909eb32271e7b91
- TLSH T170216833B3DD8615CC9A413A10CDAC1036B6C7DB40DECFAB7B84E655A43F699CE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 d1bc6f450f7ee5f1ec28dcfd2dc8291acddd0ea291aca5e245471d684847f39d
- MD5 adea5c1cafdd9f8cc57121442eaf37fb
- SHA1 a270ee9156b0d3935b318dbf8be4cce24fc909a8
- SHA512 b699052bb8c0b060207135930b60562ad3957e9583213836946322f680ae411d271d882d95bd976724203a48cdcd2e975753f1475634373f3c3ab8f1b5fe70b9
- TLSH T120216833B3DD8624C89A413A10CDAC1036B6C7DB41DECFAB7B84E655A43F699DE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_iOnudVlKYvGKJaI.exe
- Size 13KB
- SHA256 7a1a72c9ded2410b1dbadf133aa6636e67059a6c7e9eca58f1c860e13d36f99c
- MD5 948fb63b85af2b99ffabcfdf170555a5
- SHA1 eb9e2567fcf492d3cd49a6a1d52a67a82e178e43
- SHA512 68f62e9b026a316b3cad7c3f50d95db742d62906303fe2ed27a66c4605c5dccf5148f8a8c17a0a533446e09f028add1c086db245ae04384e56ad9b874edf34a7
- SSDEEP 384:FrEJwUftgSiowLVrmbQSgxLiRllEFDx3nW7v:FIwajBbWxGRlkh4
- TLSH T17B52DA0477E08235E97A0B75AEB356041A33FB624935CE5E148C528B0B67781ADE2F75
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjtavioy.2h2.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH