Analysis
- user interaction
yes - max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/11/2026, 22:24
General
- Target Mommy.exe
- Size 40.5MB
- Sample261101-2bnb3sdd96
- SHA256 ff377d0e3308abd1dd7e0e29b2979af902aff21f08a6c5d16e8cbaaa386adfba
Malware Config
Signatures
- Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
- Loads dropped DLL 42 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Creates a new local user account 1 TTPs 2 IoCs
Uses net.exe to create a new local user account, often for persistence or a backdoor account.
- Drops file in System32 directory 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
- 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies data under HKEY_USERS 7 IoCs
- Runs net.exe
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Mommy.exe"C:\Users\Admin\AppData\Local\Temp\Mommy.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Mommy.exe"C:\Users\Admin\AppData\Local\Temp\Mommy.exe"2⤵
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\net.exenet user lux password /add3⤵
- Creates a new local user account
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 user lux password /add4⤵
- Creates a new local user account
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C:\Windows\SYSTEM32\net.exenet localgroup administrators lux /add3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators lux /add4⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -File C:\Users\Admin\AppData\Local\Temp\_MEI49762\protect_pc.ps13⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x0000000000000504 0x00000000000005081⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe"C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe" -ServerName:SecHealthUI.AppX8tam42xc7v2czs3s1nt0nkxvfjtepzp9.mca1⤵
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {E041C90B-68BA-42C9-991E-477B73A75C90} -Embedding1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k WbioSvcGroup -s WbioSrvc1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
MSVCP140.dll
MSVCP140_1.dll
Qt5Core.dll
Qt5Gui.dll
Qt5Widgets.dll
VCRUNTIME140_1.dll
qminimal.dll
qoffscreen.dll
qwebgl.dll
qwindows.dll
qxdgdesktopportal.dll
QtCore.pyd
QtGui.pyd
QtWidgets.pyd
sip.cp312-win_amd64.pyd
VCRUNTIME140.dll
_bz2.pyd
_hashlib.pyd
_lzma.pyd
_queue.pyd
_socket.pyd
_ssl.pyd
base_library.zip
cacert.pem
md.cp312-win_amd64.pyd
md__mypyc.cp312-win_amd64.pyd
libcrypto-3.dll
libssl-3.dll
python3.DLL
python312.dll
select.pyd
ucrtbase.dll
unicodedata.pyd
__PSScriptPolicyTest_w1vflc0s.2ma.ps1
memory/1240-259-0x0000028012160000-0x0000028012182000-memory.dmp
memory/1444-248-0x0000018CD51F0000-0x0000018CD5200000-memory.dmp
memory/1444-240-0x00007FFA0D9E0000-0x00007FFA0DECC000-memory.dmp
memory/1444-238-0x00007FFA0D490000-0x00007FFA0D9D1000-memory.dmp
memory/1444-196-0x00007FFA19E00000-0x00007FFA1A063000-memory.dmp
memory/1444-243-0x00007FFA0CB60000-0x00007FFA0CDC5000-memory.dmp