Analysis

  • max time kernel
    107s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 05:27

General

  • Target

    file.exe

  • Size

    696KB

  • MD5

    0991dbdc1c272fcb1bd7e665d14b2caf

  • SHA1

    8ade908e9cd9abf1e9f8e97fea76cc231ed84a47

  • SHA256

    4e39fb3fcbcd2a8c6063cd905142601cba90d7b657fe9cfce55641ffad87cb5c

  • SHA512

    43f2f4f264c448f0178bdef7d7018dda8d8de2481252b762cc2c75aac18aaf814cebf47589da9ec516fdab1f12ff9e3af2c3c29599f787c1ce726d772ea55802

  • SSDEEP

    12288:JcXEwUpbbWNn1ftDWyckLiKjYV9pEmNG/AwOHBN9F5Q5GJ6XRtCR8LzAZJuMmXbv:JHbYnRhWycQiK

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1780
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP1\OfficeTrackerNMP1.exe" /tn "OfficeTrackerNMP1 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP1\OfficeTrackerNMP1.exe" /tn "OfficeTrackerNMP1 HR" /sc HOURLY /rl HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP1\OfficeTrackerNMP1.exe" /tn "OfficeTrackerNMP1 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP1\OfficeTrackerNMP1.exe" /tn "OfficeTrackerNMP1 LG" /sc ONLOGON /rl HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 2380
      2⤵
      • Program crash
      PID:3060

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\OfficeTrackerNMP1\OfficeTrackerNMP1.exe

          Filesize

          696KB

          MD5

          0991dbdc1c272fcb1bd7e665d14b2caf

          SHA1

          8ade908e9cd9abf1e9f8e97fea76cc231ed84a47

          SHA256

          4e39fb3fcbcd2a8c6063cd905142601cba90d7b657fe9cfce55641ffad87cb5c

          SHA512

          43f2f4f264c448f0178bdef7d7018dda8d8de2481252b762cc2c75aac18aaf814cebf47589da9ec516fdab1f12ff9e3af2c3c29599f787c1ce726d772ea55802

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          6638ebeab64cbbaf67600af923c0e716

          SHA1

          53d68535a10949f910c0e380b1c9b6464b522576

          SHA256

          9e5c632c71ec3df236e4551e87839fecae6ac98ecf42617b7745364b58697f2a

          SHA512

          f14635a0ccd2f1a8816326f9a44b70e0d84d90588bcf60398f2003c4315d77cd54dd392ac2e4f9609c8ccfc659fac99cd59487a43a91f7fe48e7f9319aec5aa0

        • C:\Users\Admin\AppData\Local\Temp\CabD616.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\TarD677.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

        • \Users\Admin\AppData\Local\Temp\FANBooster1\FANBooster1.exe

          Filesize

          696KB

          MD5

          0991dbdc1c272fcb1bd7e665d14b2caf

          SHA1

          8ade908e9cd9abf1e9f8e97fea76cc231ed84a47

          SHA256

          4e39fb3fcbcd2a8c6063cd905142601cba90d7b657fe9cfce55641ffad87cb5c

          SHA512

          43f2f4f264c448f0178bdef7d7018dda8d8de2481252b762cc2c75aac18aaf814cebf47589da9ec516fdab1f12ff9e3af2c3c29599f787c1ce726d772ea55802

        • \Users\Admin\AppData\Local\Temp\tempAVSjBH5lHeH8mQb\sqlite3.dll

          Filesize

          791KB

          MD5

          0fe0a178f711b623a8897e4b0bb040d1

          SHA1

          01ea412aeab3d331f825d93d7ee1f5fa6d3c46e6

          SHA256

          0c7cd52abdb6eb3e556d81caac398a127495e4a251ef600e6505a81385a1982d

          SHA512

          6c53c489c4464b9dc9a5dd31c48bb4afa65f7d6df9cc71e705cea2074ebd5e249cad4894eac6f6b308b3574633bc6e1706dfc5fda5f46c27f1e37d21e65fbc54

        • memory/1780-0-0x00000000008B0000-0x0000000000964000-memory.dmp

          Filesize

          720KB

        • memory/1780-1-0x00000000744E0000-0x0000000074BCE000-memory.dmp

          Filesize

          6.9MB

        • memory/1780-2-0x0000000006ED0000-0x0000000006F10000-memory.dmp

          Filesize

          256KB

        • memory/1780-10-0x00000000744E0000-0x0000000074BCE000-memory.dmp

          Filesize

          6.9MB

        • memory/1780-11-0x0000000006ED0000-0x0000000006F10000-memory.dmp

          Filesize

          256KB