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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2023, 14:55

General

  • Target

    DOC73287284262.bat.exe

  • Size

    527KB

  • MD5

    7957ee20f42e7158e0fd2cd73e17b436

  • SHA1

    aed7c6736ede54b4d4eda9ff3cbb8e510eef2a88

  • SHA256

    48e030cc0ca1af0e027949d1f16b86226e352065d9bf5eba4ca7719efe61b0cf

  • SHA512

    853ceb5c1465ff9ec2df913f898710795517f5ca7b787dc63e9b9483d72785311f954e886659dc7592ce74269b65fe93e958ffde4935cf2cc7625217dc0f8fff

  • SSDEEP

    12288:wuvgIb5G6uxzXlsjuapg2dKhtjWHmYZeIwEw:Zu52gDbYS

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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC73287284262.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC73287284262.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DaumicSuB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\DOC73287284262.bat.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp56D7.tmp

    Filesize

    1KB

    MD5

    c6acf04557eeeaf2f9f30bd35fde1514

    SHA1

    f46629ec4f77e895ebefe9be9de523aa42b0f32d

    SHA256

    6083800162d9edc69019539434973e151cb3deb57d9462f5ce7fa9e720f1e508

    SHA512

    e6110aad9e8d6fc5ad1e5adbbdff2ea5ea5eace59d55bda526e6abea526d000591274a66457882e0189fc988ebe08022fbbcc2021ab1a1a993da6332db61e256

  • memory/2296-0-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-1-0x0000000000E60000-0x0000000000EEA000-memory.dmp

    Filesize

    552KB

  • memory/2296-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

    Filesize

    256KB

  • memory/2296-3-0x0000000000440000-0x000000000044C000-memory.dmp

    Filesize

    48KB

  • memory/2296-4-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-5-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

    Filesize

    256KB

  • memory/2296-6-0x0000000004E30000-0x0000000004EAC000-memory.dmp

    Filesize

    496KB

  • memory/2296-7-0x00000000042F0000-0x0000000004332000-memory.dmp

    Filesize

    264KB

  • memory/2296-25-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2448-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-24-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-26-0x0000000004CE0000-0x0000000004D20000-memory.dmp

    Filesize

    256KB

  • memory/2448-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-27-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB