Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-03-2021 06:59

General

  • Target

    SpaceX Starbase Invite.xlsm

  • Size

    242KB

  • MD5

    3f8ea86cf6cf87e687b31a59e087dd7f

  • SHA1

    ef9e0e5ac5ede2626db2bc9c0683200fc8a4813a

  • SHA256

    373f30874b0bf0abdd58ab6b4fe7f1001c651dd1336649dff47b0d877a4afb5e

  • SHA512

    a5b9c682fa1f8172c755a09620df394b3dbfca0e3d39eac2fd2edc08b065f7dc3405eee98c4a570301086cd1ae48586c67f6dc7603bef37d39a40dcdd4f82451

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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\SpaceX Starbase Invite.xlsm"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1152
  • C:\Windows\system32\wbem\wmic.exe
    wmic os get /format:"C:\Users\Admin\AppData\Roaming\170D6.xsl"
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:/Windows/Temp//3f5gh.dll ValidateLog
      2⤵
        PID:928

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    System Information Discovery

    2
    T1082

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\170D6.xsl
      MD5

      fccb97c0cc885cc8e55e2b60aad50abd

      SHA1

      042ac7ab02d2d5f201e4fa1be5705aa586796a45

      SHA256

      94a5b42f06e3bca033eb1232e6f7d08f2478c8cad3ba355c90ed8c6ddc9c6a5b

      SHA512

      6b3d4107da20dddd062c02894da39542fd7ae702196c2c537fa19e8c8a2bee01579d3e0bd1f6f45b386906b57d54c2f27d9cbef2261ac6c043ada5c8333c0df6

    • C:\Windows\Temp\3f5gh.dll
      MD5

      15cbf3c8e7b4f3890845340354007e47

      SHA1

      7b92b981852560b8ed7a6266bdf4541877d42107

      SHA256

      bb8683b681bbf24d19a4e290876d6cc59e471ab8ab41b75a9e82aa1851b38511

      SHA512

      574c58460729fe4c232d210660f62701f09965336745782cc43defa69b7b62da696e0a62f7ecb98000604b03e88b84ab820d93ea513eef7518a010a4dcfc520c

    • memory/588-7-0x000007FEF6010000-0x000007FEF628A000-memory.dmp
      Filesize

      2.5MB

    • memory/928-8-0x0000000000000000-mapping.dmp
    • memory/1152-2-0x000000002F1E1000-0x000000002F1E4000-memory.dmp
      Filesize

      12KB

    • memory/1152-3-0x0000000071191000-0x0000000071193000-memory.dmp
      Filesize

      8KB

    • memory/1152-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1152-6-0x0000000005C30000-0x0000000005C32000-memory.dmp
      Filesize

      8KB