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Analysis

  • max time kernel
    161s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 11:26

General

  • Target

    0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe

  • Size

    673KB

  • MD5

    246dfe01a3d696416f9a4a308f489eba

  • SHA1

    703cf423ebcbb7955599335da80dbb108558cf5a

  • SHA256

    0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401

  • SHA512

    70a9edd2aa95b1e0732118ae5965aabf18d163c0434e8afb3be7cc1f5f07b6234149ceaa7585b3e5a95d127ab91c2ff149ccf292fd21e13c447330279f6fb8b0

  • SSDEEP

    12288:qVj3hLQvfdxOo7gpXtr0IF725rKTv8djGoNrhch2cEXWzrHzLVj1HnO0FyhCK1Xz:9IMkTv8VxNch9ZzrHJ1HnO0BK1hINJ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sitraco.org.ng
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MEZIEMILLY1000$

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PEbRcZF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PEbRcZF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9872.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3328
    • C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe"
      2⤵
        PID:4492
      • C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401_JC.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lvx1hsxn.b0l.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9872.tmp

      Filesize

      1KB

      MD5

      cd52b980b7c00ec8472a0a623f5ac36b

      SHA1

      9d01df082391515671f65e8ccaf684d43c2142f0

      SHA256

      ee44cbc98627376e59e2c0cb897983742e26f199febfe625883151bdf3f32022

      SHA512

      378eebdba41661bc36f4aa623be5f8b3f611e2cdfb54f250f030274cc5eb56793b88300ca435a4ef5f3727f3ae68864a17375b7d086c44560aaeb0883208c3df

    • memory/4216-10-0x0000000005AD0000-0x0000000005ADC000-memory.dmp

      Filesize

      48KB

    • memory/4216-11-0x0000000007C10000-0x0000000007C8E000-memory.dmp

      Filesize

      504KB

    • memory/4216-4-0x0000000005A30000-0x0000000005A40000-memory.dmp

      Filesize

      64KB

    • memory/4216-5-0x0000000005850000-0x000000000585A000-memory.dmp

      Filesize

      40KB

    • memory/4216-6-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

      Filesize

      624KB

    • memory/4216-7-0x0000000005A20000-0x0000000005A30000-memory.dmp

      Filesize

      64KB

    • memory/4216-8-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4216-9-0x0000000005A30000-0x0000000005A40000-memory.dmp

      Filesize

      64KB

    • memory/4216-1-0x0000000000D00000-0x0000000000DAE000-memory.dmp

      Filesize

      696KB

    • memory/4216-3-0x0000000005790000-0x0000000005822000-memory.dmp

      Filesize

      584KB

    • memory/4216-0-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4216-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4216-37-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4524-43-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4524-44-0x0000000002D40000-0x0000000002D50000-memory.dmp

      Filesize

      64KB

    • memory/4524-69-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

      Filesize

      320KB

    • memory/4524-22-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/4524-35-0x00000000053B0000-0x0000000005416000-memory.dmp

      Filesize

      408KB

    • memory/4524-23-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4756-16-0x0000000002DD0000-0x0000000002E06000-memory.dmp

      Filesize

      216KB

    • memory/4756-46-0x0000000006CE0000-0x0000000006D12000-memory.dmp

      Filesize

      200KB

    • memory/4756-33-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4756-20-0x00000000057E0000-0x0000000005E08000-memory.dmp

      Filesize

      6.2MB

    • memory/4756-36-0x00000000060D0000-0x00000000060F2000-memory.dmp

      Filesize

      136KB

    • memory/4756-38-0x0000000006250000-0x00000000062B6000-memory.dmp

      Filesize

      408KB

    • memory/4756-39-0x00000000063F0000-0x0000000006744000-memory.dmp

      Filesize

      3.3MB

    • memory/4756-40-0x0000000006790000-0x00000000067AE000-memory.dmp

      Filesize

      120KB

    • memory/4756-41-0x0000000006830000-0x000000000687C000-memory.dmp

      Filesize

      304KB

    • memory/4756-42-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

      Filesize

      64KB

    • memory/4756-19-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

      Filesize

      64KB

    • memory/4756-18-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

      Filesize

      64KB

    • memory/4756-45-0x000000007EF70000-0x000000007EF80000-memory.dmp

      Filesize

      64KB

    • memory/4756-34-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

      Filesize

      64KB

    • memory/4756-47-0x00000000750B0000-0x00000000750FC000-memory.dmp

      Filesize

      304KB

    • memory/4756-57-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

      Filesize

      120KB

    • memory/4756-58-0x0000000007980000-0x0000000007A23000-memory.dmp

      Filesize

      652KB

    • memory/4756-59-0x00000000080B0000-0x000000000872A000-memory.dmp

      Filesize

      6.5MB

    • memory/4756-60-0x0000000007A30000-0x0000000007A4A000-memory.dmp

      Filesize

      104KB

    • memory/4756-61-0x0000000007A90000-0x0000000007A9A000-memory.dmp

      Filesize

      40KB

    • memory/4756-62-0x0000000007CA0000-0x0000000007D36000-memory.dmp

      Filesize

      600KB

    • memory/4756-63-0x0000000007C20000-0x0000000007C31000-memory.dmp

      Filesize

      68KB

    • memory/4756-65-0x0000000007C50000-0x0000000007C5E000-memory.dmp

      Filesize

      56KB

    • memory/4756-66-0x0000000007C60000-0x0000000007C74000-memory.dmp

      Filesize

      80KB

    • memory/4756-67-0x0000000007D60000-0x0000000007D7A000-memory.dmp

      Filesize

      104KB

    • memory/4756-68-0x0000000007D40000-0x0000000007D48000-memory.dmp

      Filesize

      32KB

    • memory/4756-17-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4756-71-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB