4d3aa3ecd16a6ba46a9d6c0bdacdcd9dce70d93585941a94e544696e3e6f7d92

Analysis

geolocation tags

nanew-jerseynorth-americaunited-statesususa
max time kernel
15s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/07/2026, 02:03

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Reason

Machine shutdown

General

Target
MrsMajor-main/mrsmajorlauncher.vbs
Size 3KB
Sample260720-cgp1escs8m
SHA256 4d3aa3ecd16a6ba46a9d6c0bdacdcd9dce70d93585941a94e544696e3e6f7d92
MD5 e3fdf285b14fb588f674ebfc2134200c
SHA1 30fba2298b6e1fade4b5f9c8c80f7f1ea07de811
SHA512 9b0bfbb07c77d9e9979a6c0f88b0a93010133f7dd3cf01e1de5dfbe812a5ed920e916d16d6a32fe21b9ee4b5425e61a616ded1aeeb35a410d4f77c0f9392ed0a
TLSH
T1E5710F4CA963CA3FD3F2718106DA9F06A779A538F2A14D7A709CE34085E33DC54A59CE
MD5 SHA1 SHA512 TLSH

Score

10^/10

defense_evasion discovery evasion execution persistence trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, wscript.exe \"C:\\Program Files\\mrsmajor\\Launcher.vbs\""	WScript.exe

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	WScript.exe

UAC bypass 3 TTPs 1 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	WScript.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\disableregistrytools = "1"	WScript.exe

Disables Task Manager via registry modification
defense_evasion

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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	WScript.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
4848	WScript.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\mrsmajor\Doll_patch.xml	WScript.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.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 2 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	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe

Modifies Control Panel 4 IoCs

defense_evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Cursors	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Cursors\Arrow = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Cursors\AppStarting = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Cursors\Hand = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	WScript.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "206"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\DefaultIcon	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file\DefaultIcon	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	WScript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2500	wmplayer.exe
Token: SeCreatePagefilePrivilege	2500	wmplayer.exe
Token: SeShutdownPrivilege	2768	unregmp2.exe
Token: SeCreatePagefilePrivilege	2768	unregmp2.exe
Token: SeShutdownPrivilege	2840	shutdown.exe
Token: SeRemoteShutdownPrivilege	2840	shutdown.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2500	wmplayer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1860	LogonUI.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 2500	4848	WScript.exe	87
PID 2500 wrote to memory of 1808	2500	wmplayer.exe	88
PID 1808 wrote to memory of 2768	1808	unregmp2.exe	89
PID 4848 wrote to memory of 2840	4848	WScript.exe	99

System policy modification 1 TTPs 2 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system	WScript.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	WScript.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MrsMajor-main\mrsmajorlauncher.vbs"
1⤵
- Modifies WinLogon for persistence
- Modifies Windows Defender DisableAntiSpyware settings
- UAC bypass
- Disables RegEdit via registry modification
- Checks computer location settings
- Modifies system executable filetype association
- Executes a VBScript file via the Windows Script Host.
- Drops file in Program Files directory
- Modifies Control Panel
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4848
- C:\Program Files (x86)\Windows Media Player\wmplayer.exe
  "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" "C:\Program Files\mrsmajor\def_resource\f11.mp4"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\unregmp2.exe
    "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1808
  - - C:\Windows\system32\unregmp2.exe
      "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
      4⤵
      Enumerates connected drives
      Suspicious use of AdjustPrivilegeToken
      PID:2768
- C:\Windows\System32\shutdown.exe
  "C:\Windows\System32\shutdown.exe" -r -t 03
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:3832

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3930855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1860

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 64KB
SHA256 f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
MD5 987a07b978cfe12e4ce45e513ef86619
SHA1 22eec9a9b2e83ad33bedc59e3205f86590b7d40c
SHA512 39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa
SSDEEP 3:Akallkltlsl7pl+e/lls4XplsMlOI1Xlldl0lcNklltlwzl4hR/mll:AN+1E3+e9XplskOI10cAe
TLSH
T1FD539204E3609562C8048377A4EA0B47B331F0690A1AEB1B602A64381C422DA2CA0180
MD5 SHA1 SHA512 SSDEEP TLSH

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CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 1024KB
SHA256 9139e2f8c1e2a7272515313937d4b5e87ab0f1964249183d8dbb33fea265e94d
MD5 0f3bde4cd192cdee672217b9113ff497
SHA1 64d98ae1e2e4ee9c14507622d9aac3c39a40f3dd
SHA512 d52e971a8955ce0619de6e4439f0a82b1de833357ad904d9501b0eb1a52e214cb39a2a14e315c81637ca26c240fc139a03e5a17b76940946264b99a4a4b9b36c
SSDEEP 768:90aleDxcg7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdbaT:rZP2tFP3vqY8uqEMlTaBacgP
TLSH
T1A2258437D190B0C5CE2CB171E9ED8F09BA23B10B11A052465FF8957E7A633D99D0B1EA
MD5 SHA1 SHA512 SSDEEP TLSH

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WMSDKNS.DTD

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
Size 498B
SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
MD5 90be2701c8112bebc6bd58a7de19846e
SHA1 a95be407036982392e2e684fb9ff6602ecad6f1e
SHA512 d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe
TLSH
T15BF027AD4BE26C59323110903E78A0B0DD05F0B3645B3A6970CE5C7679E7D9C0407FD1
MD5 SHA1 SHA512 TLSH

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WMSDKNS.XML

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
Size 9KB
SHA256 23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131
MD5 5433eab10c6b5c6d55b7cbd302426a39
SHA1 c5b1604b3350dab290d081eecd5389a895c58de5
SHA512 207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34
SSDEEP 96:zkZRAF6zyHUhm77yB1pZYCEnfHrHHbB6xTGH+YCLV3zwULJEYCJWyHht3zwFRhRM:BFV0bBPCfUdY
TLSH
T1112292A194818DD206290E275DB95C0DDA8CE9D3822C24997C9EEB7FDFB1C00355FB6A
MD5 SHA1 SHA512 SSDEEP TLSH

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wmsetup.log

Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
Size 1KB
SHA256 f591f087eda150f4fffdbc66c0e02785c7a6da6d6527f818b103a3201a7e4245
MD5 563f8d87e0924d3ffc2db38c1f50cce1
SHA1 66c75f94dd53afb3563a87104d9fe6fcc9fec2a8
SHA512 ed27b25c5ebe281e1274af11cdf791a3522afe8f76100e952bb3f1bd8ca871face831c7185ee8902bdb3660c905b1a10529ae15f1d0fd314ba1292c9f6ff2706
TLSH
T1AC216B571B8ED87089E01BE71DEC8E25B3B7D7CA8390D0A5B388A0394C0252D6B3D06D
MD5 SHA1 SHA512 TLSH

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MRS MAJOR WANTS TO MEET YOU 5.txt

Path C:\Users\Admin\Desktop\MRS MAJOR WANTS TO MEET YOU 5.txt
Size 27B
SHA256 afeebe824fc4a955a673d3d8569a0b49dfbc43c6cc1d4e3d66d9855c28a7a179
MD5 e20f623b1d5a781f86b51347260d68a5
SHA1 7e06a43ba81d27b017eb1d5dcc62124a9579f96e
SHA512 2e74cccdd158ce1ffde84573d43e44ec6e488d00282a661700906ba1966ad90968a16c405a9640b9d33db03b33753733c9b7078844b0f6ac3af3de0c3c044c0b
MD5 SHA1 SHA512

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads