Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:27

General

  • Target

    RE NEW PURCHASE ORDER IM2311-99T_Rev,pdf.exe

  • Size

    696KB

  • MD5

    6398bb02b34145165929c3d2fe2f5bbc

  • SHA1

    aeacaf10db684de9409c1c9a189ef6b2a5e96c6e

  • SHA256

    6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a

  • SHA512

    7b8eadb6b752ef7698a903fbfcdcd1476f72c54b07abce5a226899c3b20c8780cf4335c6d20c3d9697d041be7c7ba6359801716e06634b4eafbf82e4840a7f43

  • SSDEEP

    12288:9Ul5nF8SUb4YSlZFg0snznRwKQLM3Fe4M4t9lbXOAhH1pJdO8jCf/x4dqrlbZnK:ylubyZsn7Z3PM4t9xhL6HxHhbZnK

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.

  • 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\RE NEW PURCHASE ORDER IM2311-99T_Rev,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RE NEW PURCHASE ORDER IM2311-99T_Rev,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BxDkKUxr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BxDkKUxr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9695.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2320
    • C:\Users\Admin\AppData\Local\Temp\RE NEW PURCHASE ORDER IM2311-99T_Rev,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\RE NEW PURCHASE ORDER IM2311-99T_Rev,pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9695.tmp

    Filesize

    1KB

    MD5

    98677e0eeded2a4113ba26dabc2d70f4

    SHA1

    39526cc483f048780d73936d4fcf773e9c0225b0

    SHA256

    b0b633996981ac2fec3a7c3787275e96d7a7018d08a8beaff34d6c80860ec03a

    SHA512

    7c49def605978f21e93f353ace07230736e71542de6f5947e4dca62058bac6ca2ff4a5c83a16212f297d78183ace8cf622dd975f7a8afacacdeb91c4fa0ad01d

  • memory/2016-26-0x0000000074320000-0x0000000074A0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-1-0x0000000074320000-0x0000000074A0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/2016-3-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/2016-4-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/2016-5-0x0000000000890000-0x000000000089A000-memory.dmp

    Filesize

    40KB

  • memory/2016-6-0x0000000005330000-0x00000000053AA000-memory.dmp

    Filesize

    488KB

  • memory/2016-0-0x0000000000CA0000-0x0000000000D52000-memory.dmp

    Filesize

    712KB

  • memory/2192-29-0x000000006E760000-0x000000006ED0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-28-0x000000006E760000-0x000000006ED0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-34-0x000000006E760000-0x000000006ED0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-33-0x00000000026B0000-0x00000000026F0000-memory.dmp

    Filesize

    256KB

  • memory/2192-32-0x00000000026B0000-0x00000000026F0000-memory.dmp

    Filesize

    256KB

  • memory/2864-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-30-0x0000000073020000-0x000000007370E000-memory.dmp

    Filesize

    6.9MB

  • memory/2864-31-0x0000000004A40000-0x0000000004A80000-memory.dmp

    Filesize

    256KB

  • memory/2864-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2864-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2864-35-0x0000000073020000-0x000000007370E000-memory.dmp

    Filesize

    6.9MB