Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2023 13:26

General

  • Target

    Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe

  • Size

    428KB

  • MD5

    2c2357c935a11a54e59dc0fcafa6debc

  • SHA1

    60064cde7ad40471ed6a1adc50f808f212c943d1

  • SHA256

    10c17d4b682fcd793c055fb31a9c96c25c1ee2e293515921b0781165bf77295d

  • SHA512

    5240d2b8d1adce99cab4b644a7a4d31797b9258880ac6b3f4c4826adf27deb6582120155dd7cb012f41982073daae3851da5151badd8bac316b506d4e17584fd

  • SSDEEP

    3072:vySo2G2x1ib3tvoHVvRPy9hYmmHJhe/85ZbBAAfoaVeY4MDjjn7GVaP:vyWG2mdg1vBy9hYmmHJheIZtXfdkKjd

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5159960936:AAGB2EqXG95agQI3zF5DlGHwwIPzKTOghj8/

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase_Oreder DOGAN SOGUTMA MUHSIN DOGAN....PDF.exe.log

    Filesize

    1KB

    MD5

    5324937a72a02d6b592fa63563d4d0f4

    SHA1

    f1469488df30acc0d50e5d3e946e2fac22da7d09

    SHA256

    9f5f74e9612763c4b05931218f87cc5fea2973afdd6deeedf6f937cad2f25139

    SHA512

    45fb951cca34a785b4ca8db23dfae9b2e0213e232b98befd4a2cdf34cebe15895a8f6c5c389e47e523681a32be1340aa217d6992aac9225d235b32da9bc2b7ae

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_httnlfl1.rfb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1984-155-0x00000000073F0000-0x0000000007A6A000-memory.dmp

    Filesize

    6.5MB

  • memory/1984-159-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/1984-156-0x00000000062B0000-0x00000000062CA000-memory.dmp

    Filesize

    104KB

  • memory/1984-157-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/1984-139-0x00000000024A0000-0x00000000024D6000-memory.dmp

    Filesize

    216KB

  • memory/1984-140-0x00000000052A0000-0x00000000058C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1984-141-0x0000000005070000-0x00000000050D6000-memory.dmp

    Filesize

    408KB

  • memory/1984-161-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/1984-147-0x00000000050E0000-0x0000000005146000-memory.dmp

    Filesize

    408KB

  • memory/1984-152-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/1984-153-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/1984-154-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

    Filesize

    120KB

  • memory/1984-160-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/2872-137-0x00000000052C0000-0x00000000052CA000-memory.dmp

    Filesize

    40KB

  • memory/2872-138-0x00000000082C0000-0x00000000082E2000-memory.dmp

    Filesize

    136KB

  • memory/2872-158-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2872-136-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2872-135-0x0000000005310000-0x00000000053A2000-memory.dmp

    Filesize

    584KB

  • memory/2872-134-0x00000000058C0000-0x0000000005E64000-memory.dmp

    Filesize

    5.6MB

  • memory/2872-133-0x00000000009D0000-0x0000000000A42000-memory.dmp

    Filesize

    456KB

  • memory/3528-179-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

    Filesize

    64KB

  • memory/3528-166-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3528-169-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

    Filesize

    64KB

  • memory/3528-170-0x0000000006440000-0x0000000006490000-memory.dmp

    Filesize

    320KB

  • memory/3528-171-0x00000000066A0000-0x0000000006862000-memory.dmp

    Filesize

    1.8MB

  • memory/3528-178-0x0000000006570000-0x000000000660C000-memory.dmp

    Filesize

    624KB