Analysis

  • max time kernel
    139s
  • 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
    14/12/2023, 00:10

General

  • Target

    0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe

  • Size

    1.6MB

  • MD5

    0e19a17ec0a08f56bbe93cd19ed93fe8

  • SHA1

    5eb98e8a440857ca660d5adea49519ad3a77d62f

  • SHA256

    0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b

  • SHA512

    bd2e442f09c2f944e6ccb6c7e47a69983ab7e54911e8ab515055b8c99dbdf3e0c925151fe409b5f1b4b31bbc90aa36abed0f8a9cb75ba2cb3aa38585e4e10dde

  • 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\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe
    "C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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:4028
    • 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:2244
    • 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:4476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1704
      2⤵
      • Program crash
      PID:4728
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4428
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4028 -ip 4028
        1⤵
          PID:4828

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

                Filesize

                1.6MB

                MD5

                0e19a17ec0a08f56bbe93cd19ed93fe8

                SHA1

                5eb98e8a440857ca660d5adea49519ad3a77d62f

                SHA256

                0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b

                SHA512

                bd2e442f09c2f944e6ccb6c7e47a69983ab7e54911e8ab515055b8c99dbdf3e0c925151fe409b5f1b4b31bbc90aa36abed0f8a9cb75ba2cb3aa38585e4e10dde

              • C:\Users\Admin\AppData\Local\Temp\grandUIA0MRaFXaWZKh9F\information.txt

                Filesize

                3KB

                MD5

                2044888d187833e7dd2becf8b2b1d8f6

                SHA1

                e836a77e8aa9c96e792bc37219fb1a7cb724e280

                SHA256

                dd174f999a632ef051dbb23309b88fad914a3afbd0c798d0ba2c5a798b1c0497

                SHA512

                c8983beca88dd568c3217fa00c821b9ec2926196847ea423a6aeb2d2e3d40015f2489e085042369c874533eab3605f33e3aecfe05b4e95709385cad6c78c8e2d

              • C:\Users\Admin\AppData\Local\Temp\posterBox0MRaFXaWZKh9F\QdX9ITDLyCRBWeb Data

                Filesize

                92KB

                MD5

                506305b81ca2e2c270c8cc550edee2df

                SHA1

                370f5306fde08801c87244eac61f9716c863e8f5

                SHA256

                d14e92ff6924f3a4b2b97a83d3016d84377c0cf34c3e59a87d77cbd7ccbe12f6

                SHA512

                a63b5a7c3f89f642978f27017c3428500e43da3f9f94447b3779c90f4b7844b10727a3795a446de8641e3753925df209eb9cab016f2d941e5863e2c8be0903e8

              • C:\Users\Admin\AppData\Local\Temp\posterBox0MRaFXaWZKh9F\ZunTSaNJLBVfWeb Data

                Filesize

                116KB

                MD5

                f70aa3fa04f0536280f872ad17973c3d

                SHA1

                50a7b889329a92de1b272d0ecf5fce87395d3123

                SHA256

                8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

                SHA512

                30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84