Analysis

  • max time kernel
    129s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 08:49

General

  • Target

    a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb.exe

  • Size

    1.1MB

  • MD5

    7b8911452c21667afd4ad7306a6be854

  • SHA1

    0de029c6e9f6c70410a5c31daa8c42b895f86116

  • SHA256

    a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb

  • SHA512

    92d3b167d16bc45bba16aa65b7d94ff71b10a08f6a1e34a102da3051c1bd28af089d50fd4abe2da8e01d166fa972e6d6aad9b459d2cff99b3740dc36abb06ea5

  • SSDEEP

    24576:ozzDgh/awUj0PJNJJdJ5tACZIsu6xx3GJK1TV0KK8K2Dz:ozzch/dhxNICBu7JiV0dc

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb.exe
    "C:\Users\Admin\AppData\Local\Temp\a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xdaKFgYhPfmp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1100
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdaKFgYhPfmp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A37.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1084
    • C:\Users\Admin\AppData\Local\Temp\a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb.exe
      "C:\Users\Admin\AppData\Local\Temp\a25f08c040d4b77f8c2b2f019fd99b08e908dbca5783ff3107d6e4733e7584fb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:324

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp8A37.tmp

          Filesize

          1KB

          MD5

          865530bdf470ff481545ee3c2ddbc207

          SHA1

          633ef10b62274ae8e0ab2883b2183649b392e0b7

          SHA256

          62379b39c1adba766595c8ad4184bba4a2cf10d18a931dee49447bbebe6619b7

          SHA512

          5593a8f51522c2df54c0ed7c40e908768b89ab9c1d8f6bba05a001d71f1e860141d7fc05cdacda86275e0cb9e0e7d014ce43b5835e905c18272280a7ceb3577d

        • memory/324-64-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-72-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-74-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-69-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-65-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-67-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/324-68-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1100-76-0x000000006EA40000-0x000000006EFEB000-memory.dmp

          Filesize

          5.7MB

        • memory/1100-77-0x000000006EA40000-0x000000006EFEB000-memory.dmp

          Filesize

          5.7MB

        • memory/1720-58-0x0000000007D80000-0x0000000007E38000-memory.dmp

          Filesize

          736KB

        • memory/1720-63-0x0000000007FD0000-0x000000000804E000-memory.dmp

          Filesize

          504KB

        • memory/1720-54-0x0000000000B10000-0x0000000000C36000-memory.dmp

          Filesize

          1.1MB

        • memory/1720-57-0x00000000004A0000-0x00000000004AC000-memory.dmp

          Filesize

          48KB

        • memory/1720-56-0x0000000000360000-0x0000000000378000-memory.dmp

          Filesize

          96KB

        • memory/1720-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

          Filesize

          8KB