Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 01:37

General

  • Target

    927e8668d7e5b22d0d278cb66ecbb15a51420f2fc5299aaa324d43a7d04719a2.docx

  • Size

    16KB

  • MD5

    9edc82805ecc2d30f07d99973883c3c6

  • SHA1

    877fae637a454593a1b66bfede20356803833266

  • SHA256

    927e8668d7e5b22d0d278cb66ecbb15a51420f2fc5299aaa324d43a7d04719a2

  • SHA512

    b24ed91e3f53fe2cfc0b0fdaebcd495cbc878507187a802ed019736be707d5d832f149360dba0cfd394df5e0406bd979fda5aff4357fe4e2bede514098fc8cf3

  • SSDEEP

    384:tyXxo8qWds8PL8wi4OEwH8TIbE91r2fR3JYovij7XCnp:tcxIq5P3DOqnYJZ1vO7XCp

Malware Config

Extracted

Family

redline

Botnet

wordfile

C2

185.38.142.10:7474

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 3 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs
  • UPX dump on OEP (original entry point) 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Abuses OpenXML format to download file from external location
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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\927e8668d7e5b22d0d278cb66ecbb15a51420f2fc5299aaa324d43a7d04719a2.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1164
    • 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:2008
      • C:\Users\Admin\AppData\Roaming\notorious53209.exe
        "C:\Users\Admin\AppData\Roaming\notorious53209.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Roaming\notorious53209.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      1KB

      MD5

      81afc0bf5da0665d25a5dee7e2753370

      SHA1

      0c3be1f39d24b0244b10a55c1206a33e8f53212f

      SHA256

      5fccf1d8723d62ad01b16c8e53c63c38ebe68f68ec2e2218e2f0c697b9fa4f77

      SHA512

      81cc789f7a25a488524fbaaf46f930f03de79734d7c0497ee1ec800e5fd1f90e8e7124c55c6b8ba9d9defca243dfd6cfc237d969064cd44107bf738cdd585c58

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      724B

      MD5

      8202a1cd02e7d69597995cabbe881a12

      SHA1

      8858d9d934b7aa9330ee73de6c476acf19929ff6

      SHA256

      58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

      SHA512

      97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      410B

      MD5

      041dc7229b3a9bc324894cef3c963c33

      SHA1

      773cf821d2ab208534124f69009333d35be0a979

      SHA256

      5b75c3daadff9eeb8801c2e8c01cef4fbb3ed0b2d7ff43b45f0bd53ad59f3cbe

      SHA512

      25b2eb5742fd3356fe379df03f2fbb93ddee5a1b326de6e141e563b4ab724b11ecd1e566a8d03e184bbeae682445a8c060b17c57e6f2f4549390f6095bbbd65f

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      682cf45049921d559c234e0ef708ef88

      SHA1

      7a4101f105b0cab54c472c32cf9f02e9aaee9a1d

      SHA256

      8f610f6ebd4636b6497a9473e6593f1d9b8479d27b6e621b257b48ba0217fd85

      SHA512

      5fee65ee8f6c5de152af0b9a0c1f3304e733901738cd4cd198898dc5258a22f9e4ccd6927681b676f96edc464e42c17848531f5fba1851a6b18bb7397ed216c5

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      a8c3652cd12d3439df6bebef1797cfbe

      SHA1

      8bde8c7aa71d87da6decc429e8d34477a63b5e71

      SHA256

      468e4c7763d6c2ae2a46ad7170dd91ca424f608a3c3ee669b089cd8e011da35e

      SHA512

      477f18524cf7c2333a6bfc60de9393c7d827d6bc390c37e86b5c4fb55f665437950513f2f105c9bf91eb8b9da6fbe416aa0c6a42e6bc96b1ba13c490263cbdac

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      392B

      MD5

      908124ac0ffefa1f75e2d86f99c755dd

      SHA1

      782338734a83e8c71cd8b22e4317430f387c73f0

      SHA256

      bddd92bada0d5d9ea3d7515acf770748d706adf977bc26c1a569471f7e781047

      SHA512

      caa78c06e3aca80bb40847253d89c3a9cc235d07f8835d8c70394096f612c9714bcb2913971055c4bad4dc2263ba40d9d1085850a2af5756d7886b6fd5683f24

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{2230E725-015F-4CF1-BB67-D89710D67731}.FSD

      Filesize

      128KB

      MD5

      bb363634ee7b4e17fd5f51ac001f417e

      SHA1

      debfff33c65f337c8800be59cbd401f50eb34a1b

      SHA256

      d7bdcd4a2eebd12f2006da5a54b0cd5bfb718a3222c95cab6fb976434664a84f

      SHA512

      220b38d31a78603b67bb3dc869e70c6f3b23d52da33c35de6c24fd12b7caed7e8166c4b91ca278a75c97f0159d265d33a5dfde7220e8fe6d5d848387edfd6491

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      d54ff7030eb976475aeecf99952aa51b

      SHA1

      a327c1ecbdcc66cf3465960d5c48111d8d2ff03c

      SHA256

      f62d9eb7158b67bca810a6b84ca71296fd4563859a7da17fdb0b019f90ca4def

      SHA512

      d3d8a1a17527cb6fe382a00d19d6003d79cded6e429dcf4ea082d72f785f9a97afb560ae015553e5a8556060715c4b1513441587586fc718ddcfdd437be9cb07

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      4c6f43bb1a971b34ff77ddde16bbd0a2

      SHA1

      3bd5473e72abbf36e239af3c8c3f7789eda65568

      SHA256

      1b9f8427264ce9d175e9fbe988466dfb9357b8b40b7957cea3802481f0549c9c

      SHA512

      fdd2775838cdd215ef5dc5057a3fba9402c3330e48a6711f92bcda66679bb39c54f97dafe1f605cd5a398b8f4283764a00c89caa20963ab8629f645e62f2f79e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\A8DU897P\notorious[1].doc

      Filesize

      604KB

      MD5

      2d1b096a33d1b673fd06db9f3e861761

      SHA1

      3c0a1d1bd1b54381df8769ecc173e8635fea366e

      SHA256

      bf89362748b9e66c11aaa49ddf83b1665fe038d04225b36de4f26cffc11a0f3d

      SHA512

      32156517472c8c4a6998e58bb90e0a684516a11c403d87524a8561f647901cdb9413dd71b55df4de52c88e5e522e06ee9565fc6dc653ec8f49ba5c58a3d5034e

    • C:\Users\Admin\AppData\Local\Temp\CabBCCA.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarE245.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\tmpE81E.tmp

      Filesize

      46KB

      MD5

      02d2c46697e3714e49f46b680b9a6b83

      SHA1

      84f98b56d49f01e9b6b76a4e21accf64fd319140

      SHA256

      522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

      SHA512

      60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

    • C:\Users\Admin\AppData\Local\Temp\tmpE843.tmp

      Filesize

      92KB

      MD5

      9da83032394b54144d4c2a3ae7cdfbce

      SHA1

      b85d3a0ff5006c2c1d7270500d7849d373f597b7

      SHA256

      90708648aa3da58b81497a0bc395507906d89d39583d6ad8dcb4e0d417bdc084

      SHA512

      17cb5c7cf40433e75a6240c2eaffd22bd77f5076c1904041670dd8609769e9c970499f85fc18354782c548fc0739df954dc44a9e1ff40d427a5b4f0d278417f3

    • C:\Users\Admin\AppData\Local\Temp\{0919BE7E-F626-43B8-867B-AB21A66A0167}

      Filesize

      128KB

      MD5

      77f3435a5a0d52ccf0e76f70a1923eab

      SHA1

      4500ab65bc7f3bd1ed467c77c871f7e635d7a4eb

      SHA256

      9d810b7ef8e3a4842d9fe56bd1fae205ecd32bc6db736477de4f16e2745b219a

      SHA512

      54ce73dbc6b7ef9c0b501bcf86c7577d0b574263fa7a4f341acf15c6e97306aadc27e39f7790ea2085ec066a0e4ee405d9cdf88c35a49d7609c72564776c2711

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      94c5cce8596e49314355d8177f0cfb72

      SHA1

      36460bb610c45d5702abc18f8bc17206e4a890ec

      SHA256

      57f9ee5b9bd35fc80af6dd48a75f88ab3385d370a4ab7a518f50fb0b84cd4165

      SHA512

      a5259959d1694eac53d1ad489aa0d1e0d08fd48fffbbee052ce2b60fa60a64f2d0442ba1639f136e11e904cf6fcd1d85017f937f372571a30090587e29f7b4aa

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\notorious53209.exe

      Filesize

      629KB

      MD5

      901a623dbccaa22525373cd36195ee14

      SHA1

      9adb6dddb68cd7e116da9392e7ee63a8fa394495

      SHA256

      b5e250a95073b5dfe33f66c13cc89da0fc8d3af226e5efb06bb8fcfd9a4cd6ec

      SHA512

      eabeba0eb9ae7e39577a7e313e50807cee1b888f1c8ff0fa375e5de9451a66471c791c23ea4f4af85151f96b065d55e8c1320026d8503a048a3e5968f8effc1d

    • memory/308-140-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/308-139-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/308-138-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2244-0-0x000000002F801000-0x000000002F802000-memory.dmp

      Filesize

      4KB

    • memory/2244-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2244-274-0x0000000070D9D000-0x0000000070DA8000-memory.dmp

      Filesize

      44KB

    • memory/2244-2-0x0000000070D9D000-0x0000000070DA8000-memory.dmp

      Filesize

      44KB

    • memory/2244-316-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2244-317-0x0000000070D9D000-0x0000000070DA8000-memory.dmp

      Filesize

      44KB

    • memory/3020-142-0x0000000000150000-0x00000000002B7000-memory.dmp

      Filesize

      1.4MB

    • memory/3020-106-0x0000000000150000-0x00000000002B7000-memory.dmp

      Filesize

      1.4MB