Analysis

  • max time kernel
    4294602s
  • max time network
    365s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    29-03-2022 18:51

General

  • Target

    document-05.docm

  • Size

    524KB

  • MD5

    fa54bc46029ffb9c32b1ef2d70f86296

  • SHA1

    466635469cb7ab2d4d0359e35110906e726204a8

  • SHA256

    a26e330a51c92db77f11f8103178544ce0d93d96e4da7c698d898df4a2044ccf

  • SHA512

    b664a04d7bc6608191652041a275dc44002201046fcecb37b1e53d81df147dd6c7d9939a24e290a505f49b173d9c1df29e19334dbb3672f182f90381b094ecb8

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\document-05.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      C:\Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1636 -s 32
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:844
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1476

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • \Users\Admin\AppData\Local\Temp\y7E45.tmp.exe
      Filesize

      104KB

      MD5

      bf5309d3536cb55f8a052ad35576866f

      SHA1

      db0d76c50077280cc66b6d7c0084472575c235f8

      SHA256

      a1d05aa1324fdc04e7698fbc3a4f212013b2bf7d7531b317d0b76e832d97a841

      SHA512

      ff06f9b89ca1e886887e5866f90775c2e56701491215e99d933b786ec75758095c00dba22ec5daba5a7ed1bdb3fab415ddb5922715bd3da32e237dca50ada4c8

    • memory/800-85-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-63-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-60-0x000000007185D000-0x0000000071868000-memory.dmp
      Filesize

      44KB

    • memory/800-62-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-61-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-93-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-64-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-65-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-67-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-94-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-69-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-68-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-71-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-70-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-72-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-73-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-74-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-75-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-76-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-77-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-78-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-79-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-80-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-81-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-82-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-83-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-84-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-87-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-88-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-86-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-57-0x000000006BC21000-0x000000006BC23000-memory.dmp
      Filesize

      8KB

    • memory/800-89-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-91-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-90-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-121-0x00000000051C0000-0x00000000051F7000-memory.dmp
      Filesize

      220KB

    • memory/800-58-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/800-66-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-95-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-97-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-96-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-98-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-99-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-100-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-101-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-102-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-103-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-105-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-104-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-107-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-106-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-108-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-109-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-111-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-110-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-112-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-113-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-115-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-114-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-118-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-117-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-116-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/800-120-0x00000000054C0000-0x000000000552C000-memory.dmp
      Filesize

      432KB

    • memory/800-56-0x0000000075B01000-0x0000000075B03000-memory.dmp
      Filesize

      8KB

    • memory/800-55-0x0000000070871000-0x0000000070873000-memory.dmp
      Filesize

      8KB

    • memory/800-54-0x0000000072DF1000-0x0000000072DF4000-memory.dmp
      Filesize

      12KB

    • memory/800-92-0x000000000058A000-0x000000000058E000-memory.dmp
      Filesize

      16KB

    • memory/844-127-0x0000000000000000-mapping.dmp
    • memory/1476-133-0x0000000000000000-mapping.dmp
    • memory/1636-124-0x0000000000000000-mapping.dmp