Overview

overview

8

Static

static

3

71d8a2c25f...ce.exe

windows7-x64

8

71d8a2c25f...ce.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 22:50

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General

  • Target

    71d8a2c25f68ef04fca6474da7afffb09475e70e6be2095e898c41b49c89cace.exe

  • Size

    567KB

  • MD5

    737ba010037477b45644375c1801db36

  • SHA1

    da61d66af3ef532d2007d98a8a8b54f64106e3a2

  • SHA256

    71d8a2c25f68ef04fca6474da7afffb09475e70e6be2095e898c41b49c89cace

  • SHA512

    71fc14099d7104ed9b4041d1d78e18d6c0f42df7c1a4c415bb307f0713d3cffbf763d334f0caa8db2882c5729e90eb35c359550796ecdf632fcdc24ffd66b834

  • SSDEEP

    12288:/MHL/AHAnkwryWWy2KKu9Bx+xidEKj6vhqO:ECAnkgyDK95+RKOqO

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 60 IoCs
  • Manipulates Digital Signatures 2 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 18 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 26 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\71d8a2c25f68ef04fca6474da7afffb09475e70e6be2095e898c41b49c89cace.exe
    "C:\Users\Admin\AppData\Local\Temp\71d8a2c25f68ef04fca6474da7afffb09475e70e6be2095e898c41b49c89cace.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Windows\AE 0124 BE.msi"
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2544
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops autorun.inf file
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Drops file in Drivers directory
        • Manipulates Digital Signatures
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\SysWOW64\drivers\winlogon.exe
          "C:\Windows\System32\drivers\winlogon.exe"
          4⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1616
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1760
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A7C9A30E2989B16E224EA732D05196DF
      2⤵
      • Loads dropped DLL
      PID:792
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1028
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000059C" "000000000000055C"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:344

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A44F4E7CB3133FF765C39A53AD8FCFDD
          Filesize

          558B

          MD5

          3cc0012f96f8f44164c18d7de05023d9

          SHA1

          c8feb560d751fe720c8bdb53f5e78aa92abb9a9e

          SHA256

          2654c273c211ae1afc60a7736153a853142e3db028417206948576d1d57bf5d5

          SHA512

          626746176663e2460b18f1eb245306107060c172c4e65ad710dd75ec0b348d8f000342c0dd2f7ea3bb2e0796f61e1ddd2cd77c312d6a177ff2e70a10b68cc6af

          Download Submit

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

          344B

          MD5

          3334925a5adea4da69a3e3e79996cdc3

          SHA1

          d7cedf300cc8592bac419a96ae61396405d92290

          SHA256

          6f3102fe927c006009e397554c01524e71eb23d825b4f70fe12aea0a6c0dbb04

          SHA512

          5e4bf5f3f7ee151f10df12deb9574421e4daddbebddde4147007e7e2c11231aa735d3541e6c55b46678f0725777a33e661423ac1fa72b9c081c4b89e839d35d7

          Download Submit

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A44F4E7CB3133FF765C39A53AD8FCFDD
          Filesize

          234B

          MD5

          29e4059f269db01371467e3b8a7140b6

          SHA1

          7166c206099475b44c87c46db929342a9ad6149f

          SHA256

          4727d99335d2d30c713cbb4b95cfad357e3a0093488bcf13faa8a4381984694d

          SHA512

          6b45b95a19ea578e4c199f6ff71c6e8fc007d14153806088bc5b670b7afa7ad5ad817e2f47c8b840703adee90baad709ff124e5bfdb9edcdae5ed4ca180cb7d8

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\Cab3A90.tmp
          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

          Download Submit

        • C:\Windows\AE 0124 BE.msi
          Filesize

          567KB

          MD5

          a3747b78a4ee3abe1bd29f6a271fa812

          SHA1

          22d743c9c5fefae89696a0a9f14df7fa797c1fe3

          SHA256

          e1b1f7ad7dc718d7d57888e349c4b2564d1b34e8881688d36caaa84bb707d03e

          SHA512

          ea37f0552064a76dcbfe2680ad61670c9fff9a9aeb2072d1f1dcd8881aad1791ccb5cb8888277241ff6d2f901de5cc1843b9ece428dac4ce8b2a809fb1ed7c45

          Download Submit

        • C:\Windows\Msvbvm60.dll
          Filesize

          1.3MB

          MD5

          5343a19c618bc515ceb1695586c6c137

          SHA1

          4dedae8cbde066f31c8e6b52c0baa3f8b1117742

          SHA256

          2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

          SHA512

          708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

          Download Submit

        • \??\c:\B1uv3nth3x1.diz
          Filesize

          21B

          MD5

          9cceaa243c5d161e1ce41c7dad1903dd

          SHA1

          e3da72675df53fffa781d4377d1d62116eafb35b

          SHA256

          814649b436ea43dd2abb99693e06019d4079ee74d02a0395913add0ba92d0189

          SHA512

          af9b75dc9a0b39d12d48bf6d40eb7d778eb9dd976302792271d8d4245a916027cf4e705d6cd7a5e6582ba94953346f291122f27d377b2c1a86e45f49e92efb5b

          Download Submit

        • \Windows\Installer\MSI3B00.tmp
          Filesize

          61KB

          MD5

          4f0829102cd133bad186ec3ee03cf2a8

          SHA1

          4297f15802a5d54bda6fc984ec872b4df5e4801f

          SHA256

          9c494c89a49e812a097333e86322a937e52c6077c16a4be35d61dbbdaa02ce22

          SHA512

          498e41f2b91d49669d99f954c921073550aa7f155b5a85a867ef20ac3b5f510e89779a0da3f23810b67e53603883c137d1ab7d888dcf3f532ef4155524fc0122

          Download Submit

        • \Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll
          Filesize

          9.9MB

          MD5

          2c72d557fa60650dc9e1b6ca8f3785b8

          SHA1

          2b66b06902fdf8c2876fda280febccd40ef2f38f

          SHA256

          a459f23f2f2921ba3fdd61ec16c04e1adaa7946adef33b7deb21bbc68ed80ce0

          SHA512

          9a20c9f737ccf3a80c8ea8840ec8cba54d0ee0eb5e9fae6266c22b5c72141e1a06f184820344f8972226f190d99eedfd4c6213cf4302c09c558e136cc3cbea9b

          Download Submit

        • \Windows\Microsoft.NET\Framework64\v4.0.30319\fusion.dll
          Filesize

          109KB

          MD5

          473744efd008548a0074a54502a88e03

          SHA1

          92b9493fdf3a715ce9446448f83aef8af8addb54

          SHA256

          fff5f2baa59267fe88eaf9afdcf66b7ab6d6d1742bda6d8cccdc825ba2d7f50a

          SHA512

          27164e1a5bae679d122e0432eae0730e7ddc1336793009197e4b83e513e2020bfc06b1b83dc79b16baa408e508fffcb78c33f2a82247d861f9bbe3284d682abe

          Download Submit

        • \Windows\Microsoft.NET\Framework64\v4.0.30319\mscoreei.dll
          Filesize

          615KB

          MD5

          7b2a54732d38cd19c79c8184d6932f6f

          SHA1

          6d42bd8fe510e9a4ed6c13409daf4c7a49e7db04

          SHA256

          76fc819738acfc13818287353b2ee4c5e881d5418e7b6e20c2be03521a2b755d

          SHA512

          acde084716a0d9da1c0834c8bc683b98721bba6b32c843eee1010779bf51cdc9d4ff3de7a4e35ee8053f70afd7705428d4404ceaf10d597ea8e6e95be2bff0c0

          Download Submit

        • \Windows\SysWOW64\drivers\winlogon.exe
          Filesize

          130KB

          MD5

          b75f15ce7423c5f6f4c9fd413e213487

          SHA1

          bad6ee47401e038e2ad644ee8d3918e712102c74

          SHA256

          fa0abcf42089d4b88e017885ca5d593d70a18029abe3724e08cc24b1ec573c34

          SHA512

          b12f54803f5e48c0bf97bee89870e81d60f685565f6add87dc912a8a4b6909ae6b764663f1efd2834fae99c44d2f0360a5fa3cc9f1e243810f12b6f6fbe8c1ee

          Download Submit

        • memory/2412-55-0x0000000003550000-0x000000000400A000-memory.dmp

          Filesize

          10.7MB

          Download

        • memory/2592-12-0x0000000003F70000-0x0000000004A2A000-memory.dmp

          Filesize

          10.7MB

          Download

        • memory/2644-283-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/2644-59-0x0000000003230000-0x0000000003CEA000-memory.dmp

          Filesize

          10.7MB

          Download

        • memory/2644-401-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

          Download