d78b77d844ab05f576349beb931c16c155d71aaf09cae2d76c75029375ea5df1

Analysis

max time kernel
30s
max time network
36s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/07/2026, 07:24

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Reason

Machine shutdown

General

Target
Uninstall.exe
Size 67KB
Sample260724-h8ld7styby
SHA256 d78b77d844ab05f576349beb931c16c155d71aaf09cae2d76c75029375ea5df1
MD5 c0e3b958c47a25f123578b3eda56e7c6
SHA1 23f328f2f183cce73660514331280fd40260ce0c
SHA512 746eab75e45f1e771c406746e49ac8f536a9aa20edaeca5bbfd42a44a015cce8a61634fd1e8035bb6fce9d508b8b7b702d287e84b296d6ffe432f23ce0eb681f
SSDEEP 1536:UErU9XLGOA9yMHI7jsOzDcpgdLeAyN4PHQJB9DS5gaTK:UEre7GjyCaFvcpceA7QB9WaYK
TLSH
T16663CF163390C4E3CBBA03300DB65BB5BFF5EA7910454717B7509B5EBAA22C29E1A193
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2972	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2972	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
2972	Un_A.exe
2972	Un_A.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 3 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	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral19/files/0x001700000002b7d5-3.dat	nsis_installer_1
behavioral19/files/0x001700000002b7d5-3.dat	nsis_installer_2

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "191"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5920	UpdateChecker.exe
5348	DeviceSelector.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5348	DeviceSelector.exe
5348	DeviceSelector.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5348	DeviceSelector.exe
Token: SeShutdownPrivilege	2972	Un_A.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5184	LogonUI.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5712 wrote to memory of 2972	5712	Uninstall.exe	80
PID 2972 wrote to memory of 5920	2972	Un_A.exe	81
PID 2972 wrote to memory of 5348	2972	Un_A.exe	82
PID 2972 wrote to memory of 4404	2972	Un_A.exe	83
PID 4404 wrote to memory of 4476	4404	regsvr32.exe	84

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5712
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Users\Admin\AppData\Local\Temp\UpdateChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\UpdateChecker.exe" -u
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    PID:5920
- - C:\Users\Admin\AppData\Local\Temp\DeviceSelector.exe
    "C:\Users\Admin\AppData\Local\Temp\DeviceSelector.exe" /u
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5348
- - C:\Windows\SysWOW64\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /u /s "C:\Users\Admin\AppData\Local\Temp\EqualizerAPO.dll"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Windows\system32\regsvr32.exe
      /u /s "C:\Users\Admin\AppData\Local\Temp\EqualizerAPO.dll"
      4⤵
      PID:4476

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a35855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5184

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn58DB.tmp\System.dll
Size 11KB
SHA256 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
MD5 fccff8cb7a1067e23fd2e2b63971a8e1
SHA1 30e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA512 f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
SSDEEP 192:xPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4v:g7VpNo8gmOyRsVc4
TLSH
T116326D5503504AF3E996863C00263B7FAF796A2095F14D53CFA394C0FE2E5C9AD38352
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

modern-wizard.bmp

Path C:\Users\Admin\AppData\Local\Temp\nsn58DB.tmp\modern-wizard.bmp
Size 25KB
SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
MD5 cbe40fd2b1ec96daedc65da172d90022
SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
TLSH
T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn58DB.tmp\nsDialogs.dll
Size 9KB
SHA256 8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c
MD5 1c8b2b40c642e8b5a5b3ff102796fb37
SHA1 3245f55afac50f775eb53fd6d14abb7fe523393d
SHA512 4ff2dc83f640933162ec8818bb1bf3b3be1183264750946a3d949d2e7068ee606277b6c840193ef2b4663952387f07f6ab12c84c4a11cae9a8de7bd4e7971c57
SSDEEP 96:o2DlD3cd51V1zL7xqEscxM2DjDf3GEst+Nt+jvcx4T8qndYv0PLE:o2p34z/x3sREskpx4dO0PLE
TLSH
T13012F8135A4454B3C9E6223A31AA2F2EDB3C9324D0627D02C7779E5A2BB42167D3E356
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 67KB
SHA256 d78b77d844ab05f576349beb931c16c155d71aaf09cae2d76c75029375ea5df1
MD5 c0e3b958c47a25f123578b3eda56e7c6
SHA1 23f328f2f183cce73660514331280fd40260ce0c
SHA512 746eab75e45f1e771c406746e49ac8f536a9aa20edaeca5bbfd42a44a015cce8a61634fd1e8035bb6fce9d508b8b7b702d287e84b296d6ffe432f23ce0eb681f
SSDEEP 1536:UErU9XLGOA9yMHI7jsOzDcpgdLeAyN4PHQJB9DS5gaTK:UEre7GjyCaFvcpceA7QB9WaYK
TLSH
T16663CF163390C4E3CBBA03300DB65BB5BFF5EA7910454717B7509B5EBAA22C29E1A193
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5348-19-0x00007FFC14F00000-0x00007FFC1552E000-memory.dmp

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memory/5920-18-0x00007FFC14F00000-0x00007FFC1552E000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads