Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 14:39

General

  • Target

    attached final docs.exe

  • Size

    672KB

  • MD5

    05bdbf0f45e344ba71847553e4900da0

  • SHA1

    108de8169c3e3affadabb29a3da9d953efb79c87

  • SHA256

    7f382cc5928a8adf09033a4412af83f103fe25384f7fb39343344432fc71f8c1

  • SHA512

    922c275dd6ae6ed21a0a9789343d1848b739ff0dc5d4f0db4f8722b3b5804e0f9061d4ad1a22a7aef83044ed9fa9adbae33014b2df743fa52f364f9f57bd0198

  • SSDEEP

    12288:2S3IU8S6eUd+qKo5v8XCQNhtFJXuxgOwZ0GPkqxEvYnfgAJ7pArHaBtUzefE:2IItSAd+qKo96vNxZMeA0tHE

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\attached final docs.exe
    "C:\Users\Admin\AppData\Local\Temp\attached final docs.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2648
      • 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:2536
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TbuoHeok" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6690.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:2588
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TbuoHeok.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2720
      • 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\attached final docs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6690.tmp

      Filesize

      1KB

      MD5

      a5c199672f186d570d4bf6b8f63e23f9

      SHA1

      1b9084e5acfa6a43e46026b804958a81a2295cf6

      SHA256

      39a68430189b8f455fd8b9f2822b93d48248216cee22a4a1bf86b8d4e77b6c02

      SHA512

      9def786bc2424008e4f917474d2322bcf056e8b52877a23d34b6a2f06aa885178f86057824be6aa7f6f31b3b4eae5b0f14841ee88ee3b944e28d5c740149c515

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AMB69OFPCQLYQREJREJU.temp

      Filesize

      7KB

      MD5

      ea702c8ccf0146adee83a192a82ad4f0

      SHA1

      20d04efaff3dd9b67043907720e60bcd743ad9d1

      SHA256

      63c9ec68834a300e90f2b288eaeb442ae9144082c36034be50b2943ca60ce9dc

      SHA512

      7c7d0790ece5dd371909e3ffccbe3c69c1575795b48414274cda63971f3d81eb115ff56da8a7997ebd746e067227eeb8fe3f6769829e7c4c3b4364e1da024f24

    • memory/2100-0-0x0000000000250000-0x00000000002FE000-memory.dmp

      Filesize

      696KB

    • memory/2100-1-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2100-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

      Filesize

      256KB

    • memory/2100-4-0x0000000000460000-0x0000000000468000-memory.dmp

      Filesize

      32KB

    • memory/2100-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

      Filesize

      96KB

    • memory/2100-5-0x00000000004E0000-0x00000000004EA000-memory.dmp

      Filesize

      40KB

    • memory/2100-6-0x0000000001E90000-0x0000000001F0C000-memory.dmp

      Filesize

      496KB

    • memory/2100-7-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2100-8-0x0000000004D00000-0x0000000004D40000-memory.dmp

      Filesize

      256KB

    • memory/2100-37-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2536-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2536-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-38-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2536-39-0x00000000022C0000-0x0000000002300000-memory.dmp

      Filesize

      256KB

    • memory/2536-44-0x00000000022C0000-0x0000000002300000-memory.dmp

      Filesize

      256KB

    • memory/2536-36-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-43-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2536-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-34-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2536-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2624-22-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-40-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-28-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-27-0x0000000002FD0000-0x0000000003010000-memory.dmp

      Filesize

      256KB

    • memory/2720-32-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-25-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-41-0x000000006E6A0000-0x000000006EC4B000-memory.dmp

      Filesize

      5.7MB