Analysis

  • max time kernel
    101s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-07-2021 10:04

General

  • Target

    new order.xlsx

  • Size

    1.3MB

  • MD5

    d59accd992813d35bb00a4b3f84c4ffe

  • SHA1

    851d437a71d1a156e0adb9f553611865b8c90d94

  • SHA256

    002e54405b1ce6dd9710be53d71e832fcffc92fb63fc8ef3a37d14e0867c4c10

  • SHA512

    7328ce416225e682b4b3f2c5c81427195144f3b030264d4a6dde967092b26165769bb87718843db8de6d56a6d1da3c8a2eb929f73b1c9720db3ca17a5fefad14

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\new order.xlsx"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:332
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        PID:1688
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        PID:1636
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        PID:952
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        PID:576
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • C:\Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • \Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • \Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • \Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • \Users\Public\vbc.exe

    MD5

    750919bd7e02e7821efa1b1bd0ed4eda

    SHA1

    2d925d1d04d12c72e4411d84b2c2b297d09f2c3c

    SHA256

    994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f

    SHA512

    087d25c798e2429b34b408ff0a315018a46feb833d5286ab87835b5b2e49fd7b3079facf5be7ce44ec5e5869f2390ab50066dfdaaae7f638c0f9d427b919162f

  • memory/332-75-0x0000000006BF8000-0x0000000006BF9000-memory.dmp

    Filesize

    4KB

  • memory/332-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/332-59-0x000000002FD81000-0x000000002FD84000-memory.dmp

    Filesize

    12KB

  • memory/332-76-0x0000000006BF2000-0x0000000006BF3000-memory.dmp

    Filesize

    4KB

  • memory/332-77-0x0000000006BF3000-0x0000000006BF6000-memory.dmp

    Filesize

    12KB

  • memory/332-74-0x0000000006BF0000-0x0000000006BF2000-memory.dmp

    Filesize

    8KB

  • memory/332-79-0x0000000006E70000-0x0000000006E73000-memory.dmp

    Filesize

    12KB

  • memory/332-78-0x0000000006BFA000-0x0000000006BFD000-memory.dmp

    Filesize

    12KB

  • memory/332-60-0x0000000071211000-0x0000000071213000-memory.dmp

    Filesize

    8KB

  • memory/332-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1608-62-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

    Filesize

    8KB

  • memory/1844-80-0x00000000004A0000-0x00000000004BB000-memory.dmp

    Filesize

    108KB

  • memory/1844-70-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/1844-67-0x0000000000000000-mapping.dmp

  • memory/1844-82-0x0000000000950000-0x0000000000980000-memory.dmp

    Filesize

    192KB

  • memory/1844-81-0x0000000004E40000-0x0000000004EB5000-memory.dmp

    Filesize

    468KB

  • memory/1844-72-0x0000000006D40000-0x0000000006DEB000-memory.dmp

    Filesize

    684KB

  • memory/1844-73-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

    Filesize

    4KB