Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 10:03

General

  • Target

    Shipping commercial invoice order confirmation #2303005328.pdf.exe

  • Size

    717KB

  • MD5

    98a8b2d442934424bdb49020bc3a6b50

  • SHA1

    707004b4e79bb255c6128e54db6867713f8c5944

  • SHA256

    237694adba91b73248b5c823bfbcc1c2169ccd44871be880926a6bdb6d665540

  • SHA512

    c9768b7a9494ad0d4dc90f3443210d122da74b78824ad41b0707991ac6c849616fe3fe3ae84a3885ed02462ffceb450f4452dbbc331d235cd6e14f65f1fee78d

  • SSDEEP

    12288:s+dIr3FcoVbJMVGioYAo9AfTLSmvSlVwVE6D8uZD:tu3XM+UULvcRud

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping commercial invoice order confirmation #2303005328.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping commercial invoice order confirmation #2303005328.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fgmYRPSwRCK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fgmYRPSwRCK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAED5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\Shipping commercial invoice order confirmation #2303005328.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping commercial invoice order confirmation #2303005328.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAED5.tmp

    Filesize

    1KB

    MD5

    e749857acf1e06e62af5dd1b6449e442

    SHA1

    1e162826a8afcffe6cf7cd0ba5331d1fe4bfca69

    SHA256

    9a3eacc4de7145c7bce99f100b628372a7cf8e51f08dbbf307f123e934c881b7

    SHA512

    755f73bfc80c463cbeb053a204579bf39da3669d00a0ed7c606b34e2bb08ed1ef14ad8370361fb0eb3df62d80f251a47980514075d11bb537ad1648b18104e43

  • memory/2004-0-0x0000000000CB0000-0x0000000000D6A000-memory.dmp

    Filesize

    744KB

  • memory/2004-1-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-2-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/2004-3-0x0000000000510000-0x0000000000526000-memory.dmp

    Filesize

    88KB

  • memory/2004-4-0x0000000000520000-0x0000000000528000-memory.dmp

    Filesize

    32KB

  • memory/2004-5-0x0000000000530000-0x000000000053A000-memory.dmp

    Filesize

    40KB

  • memory/2004-6-0x0000000005C40000-0x0000000005CBA000-memory.dmp

    Filesize

    488KB

  • memory/2004-24-0x0000000074AF0000-0x00000000751DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-34-0x00000000704F0000-0x0000000070A9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-33-0x00000000704F0000-0x0000000070A9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-32-0x00000000704F0000-0x0000000070A9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2928-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2928-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-28-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-29-0x0000000004880000-0x00000000048C0000-memory.dmp

    Filesize

    256KB

  • memory/2928-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-35-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-36-0x0000000004880000-0x00000000048C0000-memory.dmp

    Filesize

    256KB