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Analysis

  • max time kernel
    63s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2023, 22:55

General

  • Target

    ohoyecaysj4799.exe

  • Size

    636KB

  • MD5

    0d8538ffcc2992e867d5da447af1bef6

  • SHA1

    be43896187e71eef6f463f407aca1007495c4628

  • SHA256

    f4e9e61847bf9d01a5249071cbe12827cdc1c5fdae59cbd2e11719c5dfde937c

  • SHA512

    35ee84b60aba711d7e0cc39c5866c0072a1ed091ed8925568da252b85f1a049004b66cccf48d9704a9a4173352bbfece216897e9d4491aa499dec9bd360e509b

  • SSDEEP

    12288:N2iNa9S9DnuFtiYs1PvvysZsBC85i7Du5sHqus0nIaA:N1I9iDuFtzAPvvM885KDu5sK0In

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\ohoyecaysj4799.exe
    "C:\Users\Admin\AppData\Local\Temp\ohoyecaysj4799.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\ohoyecaysj4799.exe
      "C:\Users\Admin\AppData\Local\Temp\ohoyecaysj4799.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/564-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-72-0x0000000004A00000-0x0000000004A40000-memory.dmp

    Filesize

    256KB

  • memory/564-71-0x0000000004A00000-0x0000000004A40000-memory.dmp

    Filesize

    256KB

  • memory/564-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/564-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/564-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-55-0x0000000000260000-0x0000000000274000-memory.dmp

    Filesize

    80KB

  • memory/1948-60-0x0000000000760000-0x0000000000792000-memory.dmp

    Filesize

    200KB

  • memory/1948-54-0x0000000001140000-0x00000000011E6000-memory.dmp

    Filesize

    664KB

  • memory/1948-59-0x0000000005570000-0x00000000055DA000-memory.dmp

    Filesize

    424KB

  • memory/1948-58-0x00000000002C0000-0x00000000002CC000-memory.dmp

    Filesize

    48KB

  • memory/1948-57-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/1948-56-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB