Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 01:24

General

  • Target

    5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf.exe

  • Size

    671KB

  • MD5

    fd9af8f629d0d2e3e8cc132cdff97497

  • SHA1

    1552f3db433eb345809069d011f2fb9684032738

  • SHA256

    5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf

  • SHA512

    227da1c0f9e83d3b0e757f269b32d617aec47990c5eb6f6787b6036951bab11f5f51051b1c56478fedc1bb8ae04de8404db5d67c437d4c5f20faa1645a77598e

  • SSDEEP

    12288:y5B778QHjEpFzOiLqWEtkHyog+rUVHwP3yu1c2b2PIfQzk3bjzgtVlHxPpoTFqph:6BBiFz7LAkHDUVQPCu132csk3zybR+TS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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).

  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf.exe
    "C:\Users\Admin\AppData\Local\Temp\5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oziKUof.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oziKUof" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FCC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2572
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2604
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp5FCC.tmp

        Filesize

        1KB

        MD5

        7fe2badaab3a5992837c62d228b7596c

        SHA1

        36cc07db346c7e381a8e41bb743bb66c48e6ad19

        SHA256

        b2f19fcca0f1d7227f987d46ccbeb6617f5931cd70f961bdd7cb6c78c93c4677

        SHA512

        cf00640d67c2715e992a07cbe31f858d644ea5e25ebc6807b1451d4969616807927cf3d95b97ec98b847ea9be0c5ad5a8c526e14ab7b54b9328db5c81501446a

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\33ZYI2KLESZVE8WEMLTQ.temp

        Filesize

        7KB

        MD5

        b9a8ab6775299119eee04fef6a752c57

        SHA1

        c1a06bd64f4bce9c515af3e8a5dbf3e466628686

        SHA256

        4edac73fcb25d89988f62357b9a01272c97213466f6643c3d540b69bbacf485c

        SHA512

        e87609c9fdbe1010dc41089bf0ab8242ffe1d80b6716fe855f5788fcc7023d68b6616250fde3301452b3567b0bc579f674526df48dd3b9e600399a79e69ac0e3

      • memory/2440-4-0x0000000000560000-0x000000000056E000-memory.dmp

        Filesize

        56KB

      • memory/2440-32-0x0000000074E40000-0x000000007552E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-0-0x0000000000920000-0x00000000009CA000-memory.dmp

        Filesize

        680KB

      • memory/2440-5-0x0000000000670000-0x0000000000686000-memory.dmp

        Filesize

        88KB

      • memory/2440-6-0x00000000023F0000-0x0000000002474000-memory.dmp

        Filesize

        528KB

      • memory/2440-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

        Filesize

        256KB

      • memory/2440-1-0x0000000074E40000-0x000000007552E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-3-0x0000000000340000-0x0000000000358000-memory.dmp

        Filesize

        96KB

      • memory/2648-19-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-29-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-31-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2648-25-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-21-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2648-23-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB