Analysis

  • max time kernel
    139s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 10:20

General

  • Target

    FW CMA SHZ Freight invoice CHN1080769.exe

  • Size

    683KB

  • MD5

    3288dbaae811a799ea563988c0d78315

  • SHA1

    48802f823b253a45d829b15bd0802db54ce35993

  • SHA256

    e0e366834de34a6e93035842b46662c2b1b05d350c1218953f8faab632ead3ae

  • SHA512

    fc6b2c90ad9c9f2b906a6247230d2f71a0cbe764b0e3ea2c67d49477fb4f81580dd96a5ba2e3d11e92b15f8421b48e8afd7bd06e6d5ee009b8babfc1acf9cc80

  • SSDEEP

    12288:3I23I9uvcHdMFGNX/m7EA++tat0kanlWimxg8NBcHYPLICoPw896GpQkR:YYyK+wGGs+sY8283c4THew8EG9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe
    "C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDTjheWPb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDTjheWPb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B00.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3956
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1056
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3840
    • 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 --no-appcompat-clear --field-trial-handle=1036,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
      1⤵
        PID:1112

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nxifjvvj.jxx.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp3B00.tmp

        Filesize

        1KB

        MD5

        0db613bd3490672ce82aad73d889c7d1

        SHA1

        073ed83faabd691f60b2c1fd7190ea952695a272

        SHA256

        4c4c5d60dce9ece3791744602c83a3f85b4f89d8b90d4c916bd4a3e952add2d9

        SHA512

        f472b8146dcd9072ad5f3c5023731b7aaba7ba0021c14e50dab5bc14eafa17537e039d445884c30334f4895d4ea1229151c88181e2cdeaa2c9b0ac49b5ac16a5

      • memory/2436-8-0x0000000005460000-0x0000000005470000-memory.dmp

        Filesize

        64KB

      • memory/2436-9-0x00000000069A0000-0x0000000006A24000-memory.dmp

        Filesize

        528KB

      • memory/2436-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

        Filesize

        40KB

      • memory/2436-5-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-6-0x0000000005850000-0x00000000058F2000-memory.dmp

        Filesize

        648KB

      • memory/2436-7-0x00000000056D0000-0x00000000056EA000-memory.dmp

        Filesize

        104KB

      • memory/2436-22-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-3-0x00000000052D0000-0x0000000005362000-memory.dmp

        Filesize

        584KB

      • memory/2436-10-0x0000000008FE0000-0x000000000907C000-memory.dmp

        Filesize

        624KB

      • memory/2436-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/2436-50-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/2436-16-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/2436-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

        Filesize

        5.6MB

      • memory/2436-1-0x0000000000970000-0x0000000000A1E000-memory.dmp

        Filesize

        696KB

      • memory/3628-77-0x0000000007B30000-0x00000000081AA000-memory.dmp

        Filesize

        6.5MB

      • memory/3628-79-0x0000000007560000-0x000000000756A000-memory.dmp

        Filesize

        40KB

      • memory/3628-89-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3628-19-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3628-26-0x0000000005B40000-0x0000000005BA6000-memory.dmp

        Filesize

        408KB

      • memory/3628-86-0x0000000007810000-0x0000000007818000-memory.dmp

        Filesize

        32KB

      • memory/3628-15-0x0000000002920000-0x0000000002956000-memory.dmp

        Filesize

        216KB

      • memory/3628-85-0x0000000007830000-0x000000000784A000-memory.dmp

        Filesize

        104KB

      • memory/3628-82-0x0000000007720000-0x000000000772E000-memory.dmp

        Filesize

        56KB

      • memory/3628-25-0x0000000005AD0000-0x0000000005B36000-memory.dmp

        Filesize

        408KB

      • memory/3628-24-0x00000000059B0000-0x00000000059D2000-memory.dmp

        Filesize

        136KB

      • memory/3628-81-0x00000000076F0000-0x0000000007701000-memory.dmp

        Filesize

        68KB

      • memory/3628-17-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3628-80-0x0000000007770000-0x0000000007806000-memory.dmp

        Filesize

        600KB

      • memory/3628-21-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3628-53-0x0000000007180000-0x00000000071B2000-memory.dmp

        Filesize

        200KB

      • memory/3628-64-0x0000000007160000-0x000000000717E000-memory.dmp

        Filesize

        120KB

      • memory/3628-65-0x00000000073C0000-0x0000000007463000-memory.dmp

        Filesize

        652KB

      • memory/3628-54-0x0000000075800000-0x000000007584C000-memory.dmp

        Filesize

        304KB

      • memory/3628-78-0x00000000074F0000-0x000000000750A000-memory.dmp

        Filesize

        104KB

      • memory/3628-18-0x0000000005300000-0x0000000005928000-memory.dmp

        Filesize

        6.2MB

      • memory/3840-48-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3840-83-0x0000000006530000-0x0000000006580000-memory.dmp

        Filesize

        320KB

      • memory/4588-67-0x0000000075800000-0x000000007584C000-memory.dmp

        Filesize

        304KB

      • memory/4588-51-0x0000000006400000-0x000000000641E000-memory.dmp

        Filesize

        120KB

      • memory/4588-52-0x00000000065B0000-0x00000000065FC000-memory.dmp

        Filesize

        304KB

      • memory/4588-47-0x0000000005EE0000-0x0000000006234000-memory.dmp

        Filesize

        3.3MB

      • memory/4588-84-0x0000000007A70000-0x0000000007A84000-memory.dmp

        Filesize

        80KB

      • memory/4588-28-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4588-27-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4588-90-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4588-20-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB