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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 02:11

General

  • Target

    9da27fa5bc483972d00f0d5075f2a9a284b0b2da7a0a58aaf10b0ec52c23bd1f.xlam

  • Size

    14KB

  • MD5

    51c83b2de8dfe3ab134836d72c8d947f

  • SHA1

    6a11c63ec9dade329c6e8c446f2c1a685bab76a1

  • SHA256

    9da27fa5bc483972d00f0d5075f2a9a284b0b2da7a0a58aaf10b0ec52c23bd1f

  • SHA512

    bffd2ced369d18c65fd9f902a312bf0de351ddd47a3d7e8cb96b61abc0cc87eb5afd60b7d802432f48f6914cb4c8d2119ec06825a829181736521cec9d2f901d

  • SSDEEP

    192:db2fY4E9dXIZwOfPEvfUOOJuHYfIWfqH5JvN7yQ9eW2UmEGwdcBx3AR4asjjI8Fa:L4EPXIZwO0vsbv6JBNeBUmg+iKaCj5w

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 7 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\9da27fa5bc483972d00f0d5075f2a9a284b0b2da7a0a58aaf10b0ec52c23bd1f.xlam
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2800
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\zdtubbi.exe
      "C:\Users\Admin\AppData\Local\Temp\zdtubbi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\zdtubbi.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a3b31aa716547b928acae25a3f28c810

    SHA1

    ebedacd1c3b1d36ae921f057b1914784b77a03b5

    SHA256

    5d34cac7e7351d589af5dcd3d83b2490acd901217d2595d514ff30a52ba16e1f

    SHA512

    d021584fab23e6bacbcc77511cf5583b509d4b7811b92a5b7bd0da51c0b3110d9136ff6c58aead70b47031747e6e868860ea96b1e1dd94cfbf2a5fd9e6e7e4e6

  • C:\Users\Admin\AppData\Local\Temp\Cab14BB.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar15BB.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\zdtubbi.exe

    Filesize

    1007KB

    MD5

    87b476ea15abff3f359a70a30a853ee1

    SHA1

    cd82e9f6029991b3be3703cab54fe9cc88ab1da5

    SHA256

    6b0a77a454ee046ded8c78ddf4e990303531b81dfcd2e9501693fa7550392412

    SHA512

    d1d567766dde4365211749c4e4fa8e2590562c8c9780635461f840a0a8c99f29846924b69d5255cd54d490d783033d727771c94c69ced0900904382d86c3164a

  • memory/1952-112-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1952-114-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1952-113-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-1-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB

  • memory/2800-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2800-115-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB

  • memory/2800-117-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2800-118-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB