Overview

overview

9

Static

static

#Reference...20.exe

windows7_x64

9

#Reference...20.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:24

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General

  • Target

    #Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe

  • Size

    850KB

  • MD5

    3873065a859c7028cd9db46bf2950e36

  • SHA1

    88c9d384602aa6f47c8d12af7df6b7df9cb2891f

  • SHA256

    acef143204e66bd0ef761c302176d61d547b9bfd78960c7607a9863bdafaae19

  • SHA512

    5c4d8c076765299ca2f871ba4d5d47ec8c108908767b55c13486a2e293e1f048c0f7a51c5cb48c212854919d11e0830143c0c5200153fde2dbbf82aa8b9a7d91

Score
9/10
evasion

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe
    "C:\Users\Admin\AppData\Local\Temp\#Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ETIskDNQN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D61.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:668
    • C:\Users\Admin\AppData\Local\Temp\#Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe
      "{path}"
      2⤵
        PID:440
      • C:\Users\Admin\AppData\Local\Temp\#Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe
        "{path}"
        2⤵
          PID:1424
        • C:\Users\Admin\AppData\Local\Temp\#Reference_Reciept_Dhl_expidayed_shipping_apporved_owner_2020.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1848

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp1D61.tmp
        Filesize

        1KB

        MD5

        2ee85cd03462c5724631bb3af1c5255e

        SHA1

        76d42930345abc9dde0f8abfebfe52817c55a5d5

        SHA256

        3b84d9f4c4a40e7143fccbca74a0300aea98241e049f792d04213a544ab7bc47

        SHA512

        1192167df7faae0db84ffbdf0af9027ca6f2067302bb37d84852a7beb0077096c82277741932e3af5970a11f525c52dfec943c83fcb82602730d27f107007d41

        Download Submit

      • memory/668-59-0x0000000000000000-mapping.dmp

        Download

      • memory/1848-67-0x00000000004B2F1E-mapping.dmp

        Download

      • memory/1848-66-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-72-0x00000000041A0000-0x0000000004218000-memory.dmp

        Filesize

        480KB

        Download

      • memory/1848-71-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-69-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-61-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-62-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-65-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1848-64-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

        Download

      • memory/1936-55-0x00000000757C1000-0x00000000757C3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1936-54-0x00000000002C0000-0x000000000039A000-memory.dmp

        Filesize

        872KB

        Download

      • memory/1936-57-0x0000000005550000-0x000000000560E000-memory.dmp

        Filesize

        760KB

        Download

      • memory/1936-56-0x00000000003E0000-0x00000000003EA000-memory.dmp

        Filesize

        40KB

        Download

      • memory/1936-58-0x00000000057F0000-0x00000000058A8000-memory.dmp

        Filesize

        736KB

        Download