Analysis

  • max time kernel
    128s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/12/2023, 23:40

General

  • Target

    01eba96df5e0e5421e8647938359dbc25d5607ca63cf1cb67b05842d0c5823ee.exe

  • Size

    1.6MB

  • MD5

    3433d74a263587ca10d6544913ede181

  • SHA1

    571a4e44250a07d9d3ae5f576d1e8b00b35f0008

  • SHA256

    01eba96df5e0e5421e8647938359dbc25d5607ca63cf1cb67b05842d0c5823ee

  • SHA512

    bd35ed9e6079e3f50a009fd4b480990b06a0fa56feadc8f2f5aab3b0f029261c7db14873e814e7d8e8344486b086833e87617f6fc26885c7fe231377f287cf40

  • SSDEEP

    49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • 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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01eba96df5e0e5421e8647938359dbc25d5607ca63cf1cb67b05842d0c5823ee.exe
    "C:\Users\Admin\AppData\Local\Temp\01eba96df5e0e5421e8647938359dbc25d5607ca63cf1cb67b05842d0c5823ee.exe"
    1⤵
    • Drops startup file
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3200
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:3808
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:4976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 1732
      2⤵
      • Program crash
      PID:1052
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3792
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc
      1⤵
        PID:4532

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

              Filesize

              1.6MB

              MD5

              3433d74a263587ca10d6544913ede181

              SHA1

              571a4e44250a07d9d3ae5f576d1e8b00b35f0008

              SHA256

              01eba96df5e0e5421e8647938359dbc25d5607ca63cf1cb67b05842d0c5823ee

              SHA512

              bd35ed9e6079e3f50a009fd4b480990b06a0fa56feadc8f2f5aab3b0f029261c7db14873e814e7d8e8344486b086833e87617f6fc26885c7fe231377f287cf40

            • C:\Users\Admin\AppData\Local\Temp\grandUIApXY3TKyrEvysk\information.txt

              Filesize

              3KB

              MD5

              733c9fffb64c55267b4f9bab665efc97

              SHA1

              8343f3ec9063694b78ce4ebee6a7f1dc368149e8

              SHA256

              1910c82bdf29dd7a88982ef56c113a977957bc3e012b7bb248b17dd9607e8ed1

              SHA512

              3d470eec3ea4dfe8c5c5bfa6a386de5dd150f6476104d4dcb58fcfa66ef24e08d64d001e77f0174ee26450481c1264a5118bd6539df17ee4eae7b57ad029be06

            • C:\Users\Admin\AppData\Local\Temp\posterBoxpXY3TKyrEvysk\QdX9ITDLyCRBWeb Data

              Filesize

              92KB

              MD5

              674e2655c91200908ca7eea977ffc25b

              SHA1

              0ff0e11d5933cf382d7381edbc6f216d97a2e181

              SHA256

              6d9706346ebea4d1cdb447635404e8a662bc2f40bc6d829b45d50aeedeeaffaa

              SHA512

              304ad62ea8746a6dd086687bbd9d22031c2a731d0d7809ebffaaa6649ee16a9bc89e2dc17eb360dc81309fde5a797bd9398928708d63c08cc7d4e51c2f959642