Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 18:23

General

  • Target

    f63c038c17a8bad076bb4ec8cc0311d567b060f0bdc61d320a42439f76450518.exe

  • Size

    1.0MB

  • MD5

    e15db37eda24616234b26ce9a1ed5836

  • SHA1

    e4ae020cfe313e56c81c800dac771c496905b25d

  • SHA256

    f63c038c17a8bad076bb4ec8cc0311d567b060f0bdc61d320a42439f76450518

  • SHA512

    f18e4943fc0312e9572c7e80f5c3f57609679fcdf5ec4f50f2b83922889e9a3289a2a1837658a3380fc5ae57b9527868a5476447cc44d8bf60c6e295864ffc7a

  • SSDEEP

    24576:CAEBPQhTP7cqfsntzS9LhDXEmc3lPvwebDwtM9:CAEeQ6StzkL4PvdMt

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    paymasterall@gmail.com
  • Password:
    qwerty@12

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f63c038c17a8bad076bb4ec8cc0311d567b060f0bdc61d320a42439f76450518.exe
    "C:\Users\Admin\AppData\Local\Temp\f63c038c17a8bad076bb4ec8cc0311d567b060f0bdc61d320a42439f76450518.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1444
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
        PID:3948
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt"
        2⤵
          PID:4604
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt"
          2⤵
            PID:4584

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Scripting

        1
        T1064

        Modify Registry

        1
        T1112

        Collection

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt
          Filesize

          725B

          MD5

          e4d9b7bfea0ef8f03f189088de7993a9

          SHA1

          c7581970a402a8be634fd67f8ef4dc001e42f19b

          SHA256

          3cac4044bcddd1079343cbdcbe27cc8798cad761d69b3c1bbccc3ae56a929916

          SHA512

          d374e8602cd3e1bb1348c93312b68fcfa101bae98f8401dc394d3ee24cec1792d6f7ba93f040454b331bacb76411f3893b7a9ceedfb90c13ceef52c7bda0f36d

        • C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
          Filesize

          3KB

          MD5

          f94dc819ca773f1e3cb27abbc9e7fa27

          SHA1

          9a7700efadc5ea09ab288544ef1e3cd876255086

          SHA256

          a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

          SHA512

          72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

        • memory/1444-137-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1444-138-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1444-135-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1444-134-0x0000000000000000-mapping.dmp
        • memory/1724-132-0x0000000074E40000-0x00000000753F1000-memory.dmp
          Filesize

          5.7MB

        • memory/1724-133-0x0000000074E40000-0x00000000753F1000-memory.dmp
          Filesize

          5.7MB

        • memory/3948-140-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/3948-143-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/3948-145-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/3948-142-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/3948-139-0x0000000000000000-mapping.dmp
        • memory/4584-152-0x0000000000000000-mapping.dmp
        • memory/4584-153-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/4584-155-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/4584-157-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/4604-146-0x0000000000000000-mapping.dmp
        • memory/4604-147-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/4604-149-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/4604-151-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB