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Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2023, 09:23

General

  • Target

    Purchase Order_sk1109811.exe

  • Size

    1.4MB

  • MD5

    8306babc704fd78660862c0c4213a924

  • SHA1

    e930d227cfb29a2b7c358fbbecee898f8bc0c3b6

  • SHA256

    0a11257873d5786d74c6521640664c516fbd058aba5677bb2487f9b6be197508

  • SHA512

    1f7cc8fbb29eb5502801592377728bfab38f4ca65c39a2ba3d1ee4aefe51e76a416efa77c80878d8ae4ef5e155bfc4110afa33a73de6fc93ec466cfe5dd172a9

  • SSDEEP

    24576:TaOgu/O+YeZxqcKZOUmRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOv+Wk:mu2+YerqTGRs6CE3jLbO9Rs6CE3jLbO4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order_sk1109811.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order_sk1109811.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uIHXPQhWQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF89.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1428
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFF89.tmp

    Filesize

    1KB

    MD5

    9d5b077934d75ac333b8f997006e9dc1

    SHA1

    189881ece52fb31df08f5d761a3359a3bcc78dcf

    SHA256

    d99c666a9cf2e86b719dfe9479126e0d4284bd42a189317668b5fff957459d48

    SHA512

    d886b284c5e652a2bb54c6d0d594606e652cf9dc40bd524ce3f016e0563e8835b2e39c57c16f15d69f627083bc3500e27cfd34f753a76791cd27d6c4193728ec

  • memory/4528-154-0x00000000052E0000-0x00000000052F0000-memory.dmp

    Filesize

    64KB

  • memory/4528-153-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-152-0x0000000006CC0000-0x0000000006E82000-memory.dmp

    Filesize

    1.8MB

  • memory/4528-151-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

    Filesize

    320KB

  • memory/4528-149-0x00000000052E0000-0x00000000052F0000-memory.dmp

    Filesize

    64KB

  • memory/4528-150-0x0000000005010000-0x0000000005076000-memory.dmp

    Filesize

    408KB

  • memory/4528-147-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-145-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4580-141-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-133-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-140-0x0000000005160000-0x00000000051B6000-memory.dmp

    Filesize

    344KB

  • memory/4580-148-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-139-0x0000000004F30000-0x0000000004F3A000-memory.dmp

    Filesize

    40KB

  • memory/4580-138-0x0000000004FD0000-0x0000000005062000-memory.dmp

    Filesize

    584KB

  • memory/4580-137-0x00000000054E0000-0x0000000005A84000-memory.dmp

    Filesize

    5.6MB

  • memory/4580-136-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/4580-135-0x0000000004E90000-0x0000000004F2C000-memory.dmp

    Filesize

    624KB

  • memory/4580-134-0x0000000000320000-0x0000000000488000-memory.dmp

    Filesize

    1.4MB