Analysis

  • max time kernel
    127s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 10:57

General

  • Target

    Order_0182PDF.exe

  • Size

    457KB

  • MD5

    5e8eec1bdc70abb4e3be93a843eeec30

  • SHA1

    54d7e644784ce87e47835f6d19db1da9d6425e40

  • SHA256

    2728be4adab2d8fb44d7b076c1beace4142d2996d72b0f2af0f27d7aa9133505

  • SHA512

    99140085f60884b6cfb3ee4c5c5b569f86e043de3be5960ea66621e130719b5697529e67032bcacc62fff088207aaf523c29093d120e0c32f7b66e7f28e13e1b

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1968500169:AAHyFfTHMojfg0XGRFraaMexoQIFtILzuxU/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order_0182PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Order_0182PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Local\Temp\Order_0182PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Order_0182PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1116-53-0x0000000001070000-0x0000000001071000-memory.dmp

    Filesize

    4KB

  • memory/1116-55-0x0000000075C11000-0x0000000075C13000-memory.dmp

    Filesize

    8KB

  • memory/1116-56-0x0000000004D80000-0x0000000004D81000-memory.dmp

    Filesize

    4KB

  • memory/1116-57-0x0000000000430000-0x0000000000438000-memory.dmp

    Filesize

    32KB

  • memory/1116-58-0x0000000004C50000-0x0000000004CA8000-memory.dmp

    Filesize

    352KB

  • memory/1760-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-64-0x000000000043771E-mapping.dmp

  • memory/1760-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1760-67-0x0000000004B70000-0x0000000004B71000-memory.dmp

    Filesize

    4KB

  • memory/1760-68-0x0000000004B71000-0x0000000004B72000-memory.dmp

    Filesize

    4KB