Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2023, 23:30

General

  • Target

    0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe

  • Size

    1.6MB

  • MD5

    56d08936cfd3d3c2fdb5d24a165c87e7

  • SHA1

    1654184d443d21efc04c3e7a60838ec4d279c2e8

  • SHA256

    0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f

  • SHA512

    c3258df5f98c5c6a92840891d6f4c2ab2607ceded29bf1cba1f7d9df403a67881b60b184331860e32cf705d76cf337d65670bbb8e9e3e9ecde50d845e638e8d1

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe
    "C:\Users\Admin\AppData\Local\Temp\0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.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:4864
    • 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:516
    • 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:2436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 1752
      2⤵
      • Program crash
      PID:1520
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:892
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4864 -ip 4864
        1⤵
          PID:4988
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:884
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4552

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

                  Filesize

                  1.6MB

                  MD5

                  56d08936cfd3d3c2fdb5d24a165c87e7

                  SHA1

                  1654184d443d21efc04c3e7a60838ec4d279c2e8

                  SHA256

                  0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f

                  SHA512

                  c3258df5f98c5c6a92840891d6f4c2ab2607ceded29bf1cba1f7d9df403a67881b60b184331860e32cf705d76cf337d65670bbb8e9e3e9ecde50d845e638e8d1

                • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

                  Filesize

                  16KB

                  MD5

                  c26efa09d8c2eb4b1e14fcfd47c1193d

                  SHA1

                  1ee0e1f6b0c69f3592fcb7685dc8564226f66b62

                  SHA256

                  588b9bda9d44f95fe11649add60b5cb979236da916f493f318ed978ca733454f

                  SHA512

                  34e4788139d3d13ea2238b9036e2ebf9b81eef03c1b377332329e226e2b9b4ea5e3fa894e4378a988d3927318fced755aab50ce40b6c30081b84f29c1e8ca40e

                • C:\Users\Admin\AppData\Local\Temp\grandUIA4Urz6E4z0wIhG\information.txt

                  Filesize

                  3KB

                  MD5

                  bca037b1425966251924073b85d36c01

                  SHA1

                  8959c45bd078bb507d776079cf39b2b50cac8bb5

                  SHA256

                  383688885a43b5ff737693b6ee594ac974223ac42c500bbc83d803abf49a453d

                  SHA512

                  29ee3eff048063c4f468b890ce11823e72cd8a6d15de20f902e0694236f2f4467ef85fb22b23fbaa166cdaae92a371a95cf45bf19c34f33bbcab45367ac2dfd8

                • C:\Users\Admin\AppData\Local\Temp\posterBox4Urz6E4z0wIhG\QdX9ITDLyCRBWeb Data

                  Filesize

                  92KB

                  MD5

                  9ee081ca0d9c3cd479031e1ff265961b

                  SHA1

                  a2bfa65a2ddcd529a134ea08efd6965bcd0e5665

                  SHA256

                  2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4

                  SHA512

                  6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

                • C:\Users\Admin\AppData\Local\Temp\posterBox4Urz6E4z0wIhG\ZunTSaNJLBVfWeb Data

                  Filesize

                  116KB

                  MD5

                  f70aa3fa04f0536280f872ad17973c3d

                  SHA1

                  50a7b889329a92de1b272d0ecf5fce87395d3123

                  SHA256

                  8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

                  SHA512

                  30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

                • memory/4552-120-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-124-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-115-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-116-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-117-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-118-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-119-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-98-0x0000024046370000-0x0000024046380000-memory.dmp

                  Filesize

                  64KB

                • memory/4552-121-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-122-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-123-0x000002404E990000-0x000002404E991000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-114-0x000002404E960000-0x000002404E961000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-125-0x000002404E5B0000-0x000002404E5B1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-126-0x000002404E5A0000-0x000002404E5A1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-128-0x000002404E5B0000-0x000002404E5B1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-131-0x000002404E5A0000-0x000002404E5A1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-134-0x000002404E4E0000-0x000002404E4E1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-82-0x0000024046270000-0x0000024046280000-memory.dmp

                  Filesize

                  64KB

                • memory/4552-146-0x000002404E6E0000-0x000002404E6E1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-148-0x000002404E6F0000-0x000002404E6F1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-149-0x000002404E6F0000-0x000002404E6F1000-memory.dmp

                  Filesize

                  4KB

                • memory/4552-150-0x000002404E800000-0x000002404E801000-memory.dmp

                  Filesize

                  4KB