Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/05/2024, 12:30
General
- Target 99e43e91864ebc3c8a5d1b3817c61f20_NeikiAnalytics.exe
- Size 237KB
- Sample240530-ppj6csgh2y
- SHA256 4e56516dfd1fa13c7e5475f98ddec36d2bed067013909af4c1028c61fc3ff089
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 3 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
- 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\99e43e91864ebc3c8a5d1b3817c61f20_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\99e43e91864ebc3c8a5d1b3817c61f20_NeikiAnalytics.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe"2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe\" arguments" /sc MINUTE /mo 13⤵
- Creates scheduled task(s)
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\??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe"c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\99e43e91864ebc3c8a5d1b3817c61f20_NeikiAnalytics.exe" && del "C:\Users\Admin\AppData\Local\Temp\99e43e91864ebc3c8a5d1b3817c61f20_NeikiAnalytics.exe.config"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4320,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:81⤵
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe arguments1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\TextInputFramework32.exe arguments1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Replay Monitor
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Downloads
TextInputFramework32.exe.log
TextInputFramework32.exe
TextInputFramework32.exe.config
memory/1716-35-0x000000001CAD0000-0x000000001CAF2000-memory.dmp
memory/2204-9-0x000000001CCA0000-0x000000001CCC2000-memory.dmp
memory/2204-3-0x0000000000AE0000-0x0000000000B7C000-memory.dmp
memory/2204-6-0x000000001BBA0000-0x000000001BC06000-memory.dmp
memory/2204-7-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/2204-8-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/2204-10-0x000000001E5E0000-0x000000001E686000-memory.dmp
memory/2204-0-0x00007FF842FB5000-0x00007FF842FB6000-memory.dmp
memory/2204-11-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/2204-4-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/2204-5-0x0000000000B80000-0x0000000000B88000-memory.dmp
memory/2204-2-0x000000001B6C0000-0x000000001BB8E000-memory.dmp
memory/2204-1-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/2204-29-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/3056-30-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/3056-32-0x0000000020110000-0x0000000020172000-memory.dmp
memory/3056-33-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/3056-27-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/3056-26-0x00007FF842D00000-0x00007FF8436A1000-memory.dmp
memory/3136-31-0x0000000000400000-0x0000000000408000-memory.dmp