Analysis

  • max time kernel
    68s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2023 16:10

General

  • Target

    SOA.exe

  • Size

    608KB

  • MD5

    9679de6d9acd068c7f902760f73fbd20

  • SHA1

    1aef17bc39349726e31cdf77395b1b420c2417a4

  • SHA256

    93b2e11e63c3e38bd7d2fc22514d2ae970e35ee23bd9fd829a75d25df3794dd8

  • SHA512

    87ce2b5d5104f85dc28826de45111e56fe08113e49906a99ca97f8b67bb4119db347d03646d11ebdc6b5a5857c68fa0fb0fd3f5a7d3a78e9a4b4825295d22c25

  • SSDEEP

    12288:92N8jiZ4zypIPvtPplTY6RhKuQAtb54gWMhSosI6LN4CHUTBiFRIIk1KxtTSPS:92N8jiZ4zypIPvJTDE6AgWMQ9LNC9iFs

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5814058627:AAFjPgERfyp3AZJXAfISMezajcw2VR_A_9U/

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OsQYOsU.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OsQYOsU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC006.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1452
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
      2⤵
        PID:528
      • C:\Users\Admin\AppData\Local\Temp\SOA.exe
        "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:844

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC006.tmp

      Filesize

      1KB

      MD5

      4f3069dcaccc07cdf52bddb002852990

      SHA1

      a4e188649517b638e25124635d79578624a54cc7

      SHA256

      479e3798a7b3aade12fc1c469ed8cb501ae326d560e3a5f25839ecd8f7a713ce

      SHA512

      e5020111f9a4ba7b390b21a8046b8a4bd0bf2eca7048968faaf9c592f8fe8d7fb402541dfd26bdf8bc96f2873712da0a2e448ba45fd8abcab390348c17e4a3af

    • memory/844-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/844-73-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-70-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-71-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-69-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-79-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/844-68-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-87-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/844-78-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/844-75-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1472-77-0x0000000002480000-0x00000000024C0000-memory.dmp

      Filesize

      256KB

    • memory/2028-55-0x0000000004C50000-0x0000000004C90000-memory.dmp

      Filesize

      256KB

    • memory/2028-54-0x0000000000AC0000-0x0000000000B5E000-memory.dmp

      Filesize

      632KB

    • memory/2028-58-0x0000000000500000-0x000000000050A000-memory.dmp

      Filesize

      40KB

    • memory/2028-57-0x0000000004C50000-0x0000000004C90000-memory.dmp

      Filesize

      256KB

    • memory/2028-67-0x0000000004C00000-0x0000000004C34000-memory.dmp

      Filesize

      208KB

    • memory/2028-56-0x00000000003F0000-0x00000000003FE000-memory.dmp

      Filesize

      56KB

    • memory/2028-59-0x0000000005290000-0x00000000052FC000-memory.dmp

      Filesize

      432KB