Analysis

  • max time kernel
    57s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2023 19:14

General

  • Target

    0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe

  • Size

    951KB

  • MD5

    a3df44994428bfe9b70f9774e76347bb

  • SHA1

    0eac1f1303e55f7c0239af4b1eca3e992ed05693

  • SHA256

    52ab9f2e3878dd9fa61c7bbbdfff113485fb4c12f8af0fa28b938696d68e54bb

  • SHA512

    75bf4289be57495b878b06d6bc540911b31508753e8fb4ec1bbeec29dad124de9cdc75e378c657728e0d77278b8973ec5144f886b2305b8688e21572a0c20530

  • SSDEEP

    24576:yli277DjOWEIycmmy7UmCJrYTSKIKTn6ALDx:UiWvhnyc7ytc

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe
    "C:\Users\Admin\AppData\Local\Temp\0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1976
    • 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\0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:936
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xStBrvuHffFYx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xStBrvuHffFYx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD89.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe
      "C:\Users\Admin\AppData\Local\Temp\0eac1f1303e55f7c0239af4b1eca3e992ed05693.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD89.tmp

    Filesize

    1KB

    MD5

    9c0443a23b22ece891ad0b7775616fd1

    SHA1

    65eb7cbe0b0c5374e2d14129fd86fb4f8b1dd963

    SHA256

    afc5617f90b1b479c61461eea2bceea828e84b78c8acfd48b75869769c3dc579

    SHA512

    b2687e3fd8502a7f804cd2a41b05a16f9d5abe512e61938c881b1b693555eb685f68bbd0cbe917d4103f79f57beb90534b3ff9068ff455a4013a1e047fcbf535

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    185176ccb90ea3a278f42d0bb17e8d69

    SHA1

    d8a20ac5edd7cbac94b97871458533707e051147

    SHA256

    79d57707115f8a5db90f0be7a597b8bab34e30f693f00f44a90b9b38b533182c

    SHA512

    c253f61be9a5110af7747984b7900cc9a3cda4ad478581a44a1c3450822f0451a59b65afb9a41f4c22b29ad0ded3774c6e7ab3a72d405a0d9135ace9158940f0

  • memory/936-82-0x000000006F030000-0x000000006F5DB000-memory.dmp

    Filesize

    5.7MB

  • memory/936-79-0x000000006F030000-0x000000006F5DB000-memory.dmp

    Filesize

    5.7MB

  • memory/936-59-0x0000000000000000-mapping.dmp

  • memory/1032-81-0x000000006F030000-0x000000006F5DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1032-80-0x000000006F030000-0x000000006F5DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1032-61-0x0000000000000000-mapping.dmp

  • memory/1568-73-0x000000000042A97E-mapping.dmp

  • memory/1568-77-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-75-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-71-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1568-72-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1708-62-0x0000000000000000-mapping.dmp

  • memory/1976-54-0x0000000001360000-0x0000000001454000-memory.dmp

    Filesize

    976KB

  • memory/1976-66-0x0000000005000000-0x0000000005046000-memory.dmp

    Filesize

    280KB

  • memory/1976-58-0x0000000005DB0000-0x0000000005E30000-memory.dmp

    Filesize

    512KB

  • memory/1976-57-0x0000000000610000-0x000000000061A000-memory.dmp

    Filesize

    40KB

  • memory/1976-56-0x00000000005E0000-0x00000000005F6000-memory.dmp

    Filesize

    88KB

  • memory/1976-55-0x00000000754E1000-0x00000000754E3000-memory.dmp

    Filesize

    8KB