Analysis

  • max time kernel
    86s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2023 10:17

General

  • Target

    b8eedd013827b960eee4c0ae07ae5513.docm

  • Size

    351KB

  • MD5

    b8eedd013827b960eee4c0ae07ae5513

  • SHA1

    7c8a8f64ff3367238e1d963d090a99c33677f011

  • SHA256

    8cfa170eb8271b0dc1e27b6792400161b0b8ab7ac49f4a88017bbcfe588d2d1f

  • SHA512

    78fcabd81473f8d51699a8e97e00e5cdfe107fbb3f8c3da3ceac6cf994d71fd280b5d24292947d293621c62adda0031fdc86dc609a75a237572b2203d237d7c0

  • SSDEEP

    6144:lW7fmlEskwkftlYoqDQX+++eUnG1Cg2KyS6g6ixSXprHMqy:lW7OKskwMlED+UnG1f2KySciMXprFy

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 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\b8eedd013827b960eee4c0ae07ae5513.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2004
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\programdata\data.dll,Main 4260
        2⤵
        • Process spawned unexpected child process
        PID:776
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\programdata\data.dll,Main 4260
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of FindShellTrayWindow
        PID:940

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\4ACB356B.wmf

      Filesize

      370B

      MD5

      98f261b06708ec1aa8e2296752da8007

      SHA1

      f94ee17b5d6a04d87ea57dfeb47ea844835c6eb6

      SHA256

      b9d6f9bd21c78ebd4f400ce57a5560e13a1ffd4ca732b16ad6ee5cf6bdb4f287

      SHA512

      5b42d019c0c5a4c20cdf5237b59d9c4d8d8d2fc33e1beec69e60bce16fe45b4860d2c30d0f8557b0fcd0b61496c6e7078e331175856f9b7ff1a9597de5a7b44d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\517C8A92.wmf

      Filesize

      370B

      MD5

      a8d75a48cce5416cc0fd96937282bafa

      SHA1

      fb43813b8f369b762823cbb90917970b1ffbab63

      SHA256

      b986cde283596474678ab49fa2145ee2e8564d8a3c63c2ebc0b28efc647a2d23

      SHA512

      287114c527ab5bb8450bd574c0c052d03d0f56a7e66fc21e3679bdf9786c630c9dd6cbac68dfbc12337460c81f54678f36d5f40c08184194a82b4a2a11c972e2

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\5323F4C2.wmf

      Filesize

      370B

      MD5

      a2945b46d1d48431952e00204fa76710

      SHA1

      e962f7a16369d55d9d9bfc2dcc4c9efa0e3a17ce

      SHA256

      dba9cbbf67cd93cf6754c96ec83d085d94140e352c85094002e907da5c505fb5

      SHA512

      9a5f7edbf12b656bcf87b3713375a3bccfed0d7ac2531fa65ad99b05ab76ec999258103e025add4bc75147ecedffc31635466fbbc20f77b5f268704f9f82277f

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\7F73C9D.wmf

      Filesize

      392B

      MD5

      78eab2dd546d608523c5e212055bd1c3

      SHA1

      ade7feeb9fd674ede8ef3e555df4ab5d8647ae4c

      SHA256

      8ab7b9d396510566d151e437d1f1815242515c65dda0bbe4f2313dee888013ef

      SHA512

      32e6ed1c4e635d4a323de7a3acb49757b57af6d43e8421983d3856825d5e594db05eda6cacdccc0e527d2a11ae8a0528666f84cddf0bbec3b5eb79e9034efd20

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\837A9BE7.wmf

      Filesize

      370B

      MD5

      c4309ccb7f67f38be21b9c5543eefe98

      SHA1

      26af97188fe3b97fc4af897ee380a72065f26647

      SHA256

      9cd08daba0b1a72f512a6f9be3cb835147f7525d44cd877af57a1f6207ac1827

      SHA512

      50f23a5ca70812a7b5cddc72a3bd930822fff4a7486b9956092ab991cf4ffb13d1293fd7d537699094cafb0d9bbc55cb2c1e095b39ec37218c1a44acb463f25e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\854B7D29.wmf

      Filesize

      370B

      MD5

      33b19ea5835c7edd76d29d573b3b5442

      SHA1

      d8fb86e60e44a23d825f4cd3d2dc25d99d51ec81

      SHA256

      a965d70fa60702d5c13a3b9e026b2cc1e2aefc9edb5a17799d6a8728e2da8b6a

      SHA512

      83a9ecbf91e252d606f5bda28a22e7d757c02bbc9278041b570e794467eca80c926fcfcbea9c307ad6a2020085a3cd7500f9b8d83bad2dfed91d8a542a4870b2

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\A1587995.wmf

      Filesize

      370B

      MD5

      3dbccd71982ca9e6aa5c7ea7c1ad6653

      SHA1

      74284651cebb74c3df443fd7413381103e31f271

      SHA256

      04785e8f3a169f82be9a0af1651fcc4617467200476f3fbf460319984f3eef08

      SHA512

      ce2f12807892019cfdd13ecd1376590b7ffeac95738ecc8a023b439aa3d15bc8031c94d12aa8ce6799858c5a712ff122896343f85e7fd5145fbd214308e5ed24

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\AE9D133F.wmf

      Filesize

      392B

      MD5

      7437fbc64db05751b20a4e7a4ea9a76c

      SHA1

      dfb90e859982d8f5ecbb952535e35f6a27618c94

      SHA256

      00c9ccf0e889abc97990978c79b1b17aa5971081222d0f7904ce6edfafe8546b

      SHA512

      fc415d11623e3d389a7b77564275ebfbfb1d2156487eee0c01018fd46f40b30c2b1a58196791171578656446b11a6a3fa2a0942af453a9acd290ee4828313026

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\B1587B43.wmf

      Filesize

      392B

      MD5

      f7e9f7f5109ea22ce21d750a2bd386cc

      SHA1

      b1409215fe34fe44a9ae738cdae886dc4c164b99

      SHA256

      2dc3ed26ec0cabef91c74e3397f78e81ec4223a3cd8960db6df667505ebac3e7

      SHA512

      7f8925aafa39d6d7c856bae04b1054d5eab92faee6742091b6686527a5a113f9c9ed67f3057937fa04474982706c090818375578ff7a2ba751e57f94f6f2eb32

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\D1857D2E.wmf

      Filesize

      370B

      MD5

      a2c85259d4b082de9c22528491c64d7d

      SHA1

      4ff63a581c2b85fdccc9d58a44ec90823c3b31fb

      SHA256

      e8f14efba5be5d66eae9cabec07f83d8716bef288088f45693eaedad62e67c74

      SHA512

      8cc0029d1cd65f996393752e4b2a237f3a6087f9d988415418d8a74825ad91a46942d1d82911d10083fd9b176e7e189ee545a40d17b6ff3b8aa781fa10029bba

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\D25AF57.wmf

      Filesize

      528B

      MD5

      7e903386fe8723681630152383a5a23b

      SHA1

      6d097f05673258def22df26cd7fca4abdb703001

      SHA256

      5b0f3d708f972689e07dcb3548528048618dd6b894e70c21db35dde0fc39ae61

      SHA512

      2e17c2803d26f2ee0c279b3f1002bb88964f03e6817552198c8d65705ab9459a3f229291ec3964be1d267546a0bff98a57d1b1ef37e7bcd871985b31a750805c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\F03107FE.wmf

      Filesize

      370B

      MD5

      bc4b895af3cb464cbe49dc2ee99d54aa

      SHA1

      d4c412a48f7b82187cac73ed7f7299efa909f707

      SHA256

      47f4ceca4529f85d00393e326594e7d8505ba523e1af7b580ec9cc88bb4e4533

      SHA512

      63e22ea80934436f2e63e83d391b746988bd0ec53808ea876742ff0cc64d62bc9dc0c70c816e1cca36f48aa5e619d67c8e1fb34e014363ffbbb8e173237b46e3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\FB0D5870.wmf

      Filesize

      370B

      MD5

      74eb91c8c94e6908b4e5cb9621bc2afa

      SHA1

      1d8bb526ba0adfd958cf0f7954cf1f98d5c0bc49

      SHA256

      ad7a16b7e0cbb679aad580ead82defd202aa7e00d73bdd6b818a0a688fdcfabe

      SHA512

      66f2e54052f2758f042eb1ddeb91f67aa11dbd155224415003ca3b6afb5c8f8df887d9812b544f63a64f9ca7f617d5f8aff0fe3a17f9a137c679790899fb5c0a

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\FDADB085.wmf

      Filesize

      370B

      MD5

      458c9ef888c332a6de48f07ae4d2b2e1

      SHA1

      53d6ce9dd35274c163b07af001b232421f22002d

      SHA256

      8a97f45da1cae1500e52f4ec7035522ea26d7be8f9f93b723a41c63fa4b49440

      SHA512

      bb71f2b805fc25645f1bd1347d0226bda313e6b3140da584a4dba39966a351ee1681a0be65c95bc7df983339bbd54f323f0a74a7f6f52685e75fdefbfd11100e

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \??\c:\programdata\data.dll

      Filesize

      469B

      MD5

      8a79fc328fcb9d89f90b2029a11bddbd

      SHA1

      61bff3612fd2991e195f1f65522e4507fa6b467f

      SHA256

      eef948e1d511bd86ff673f904bf0a97106d5395f0b7ed2cfb043da7ccc6ca6dd

      SHA512

      8e0a23c92e1923422388e358c67b68007575a5b65a32f0ee846df7bcc1a598e8ffbdb83d90eabd6541f245d43660fadec3b65cd80198cae7c0c9c9a9df702190

    • memory/1148-149-0x0000000006140000-0x0000000006240000-memory.dmp

      Filesize

      1024KB

    • memory/1148-271-0x0000000006140000-0x0000000006240000-memory.dmp

      Filesize

      1024KB

    • memory/1148-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2024-670-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB