Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 07:46

General

  • Target

    S009892823120097.exe

  • Size

    676KB

  • MD5

    cddc8d8aa042a107b1a867b55509c487

  • SHA1

    59d13800e7c6683e0bb790e4537ae8fdc9d591d9

  • SHA256

    4732bfa7244b73047ddfa6759a4b519e8d9335fe1ae5bb80dfc50350f3b66569

  • SHA512

    f904c2add1d0be79c1f2f039ab2a4f8f38dd7791914baf6a8adbc85cd69a218259d75f386c4198c89ccfcc66086ba1c01cb6c0a9c8ecee869e1fb678a1f200f1

  • SSDEEP

    12288:CrqEisUH/hO0cnuhG7XiTGk5IcnqFzVX4Oy6Xf8s7HnzhtxH:aqEWE0cnuhG7X+9G/Fp4OZ0s7dtx

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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 10 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\S009892823120097.exe
    "C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yjWAImuIK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yjWAImuIK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39A6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe
      "C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp39A6.tmp

    Filesize

    1KB

    MD5

    62c8d6c70dec775141887a6d9559e45b

    SHA1

    c10cb6a0eb71c10c78da2d96a28e0e13f62a6d45

    SHA256

    7bbe5901bb8c50ee11222261742b80e1f67a63b0a4a8f256edd9a757eebc89d5

    SHA512

    faa61ef14dbdfb2c3154302da747ad5356dcd41caccc448ef10847f5544404a44a741f11020f4b8cccc512ee003674d8951844b3de9e481c52d88c9b2843969b

  • memory/2228-34-0x00000000005B0000-0x00000000005F0000-memory.dmp

    Filesize

    256KB

  • memory/2228-37-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-31-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2228-39-0x00000000005B0000-0x00000000005F0000-memory.dmp

    Filesize

    256KB

  • memory/2228-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2228-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2508-35-0x00000000026A0000-0x00000000026E0000-memory.dmp

    Filesize

    256KB

  • memory/2508-33-0x000000006E5F0000-0x000000006EB9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2508-43-0x000000006E5F0000-0x000000006EB9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2508-41-0x00000000026A0000-0x00000000026E0000-memory.dmp

    Filesize

    256KB

  • memory/2508-40-0x00000000026A0000-0x00000000026E0000-memory.dmp

    Filesize

    256KB

  • memory/2508-38-0x00000000026A0000-0x00000000026E0000-memory.dmp

    Filesize

    256KB

  • memory/2508-30-0x000000006E5F0000-0x000000006EB9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2508-36-0x000000006E5F0000-0x000000006EB9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2508-32-0x00000000026A0000-0x00000000026E0000-memory.dmp

    Filesize

    256KB

  • memory/2560-29-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-3-0x0000000000520000-0x0000000000536000-memory.dmp

    Filesize

    88KB

  • memory/2560-0-0x0000000000950000-0x00000000009FC000-memory.dmp

    Filesize

    688KB

  • memory/2560-4-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-2-0x0000000000490000-0x00000000004D0000-memory.dmp

    Filesize

    256KB

  • memory/2560-8-0x0000000005740000-0x00000000057BC000-memory.dmp

    Filesize

    496KB

  • memory/2560-1-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2560-5-0x0000000000490000-0x00000000004D0000-memory.dmp

    Filesize

    256KB

  • memory/2560-6-0x0000000000540000-0x0000000000548000-memory.dmp

    Filesize

    32KB

  • memory/2560-7-0x00000000007F0000-0x00000000007FC000-memory.dmp

    Filesize

    48KB