Analysis

  • max time kernel
    61s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2023, 13:22

General

  • Target

    7.msi

  • Size

    2.7MB

  • MD5

    12bb817d6871b18a6a6f45dfab968228

  • SHA1

    09bf3e3f6585616a5ff44b0845e722f5058568f0

  • SHA256

    a90216086aaf026e99d712721f36f62657f747ebdbc40094cd714d595d920d19

  • SHA512

    9c7283900d67bb5d7a2565ab1b4bbdfe2288fc220af724d38a5b851bce3ef31e347bfe5e28ad6f17b2753a0849e10f2ab5c42557f38861a525356ebb915b439f

  • SSDEEP

    49152:j6qOOTLCTFQq5iNZ4DS5WPvwaqh/nREYVoB5JSHawNx:LrTLmJpc/nREYKd

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\7.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1368
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCA46EFCD953C03303E9C1D92EA17D51
      2⤵
      • Loads dropped DLL
      PID:852
    • C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\aipackagechainer.exe
      "C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\aipackagechainer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\1\877816.wsf"
        3⤵
        • Blocklisted process makes network request
        PID:1660
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1716
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000568" "0000000000000304"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1800

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Config.Msi\6ca883.rbs

          Filesize

          8KB

          MD5

          405b816dc9c5012354217f4e02b6565d

          SHA1

          e892d4c9dbf4a422548b0c900e3a2fc89b004bf7

          SHA256

          84776bb581b988154c22bf1938585f7d03b6cc3e2762d60da744e96f1b6e46b6

          SHA512

          9c888ce7e1d1998ce45ac268972f8c4c95de2d8f07381f93d239b92536d6a4f91efbdda848d418a14175df3418502f33e308df4e696f3dd236e7909d3c72e903

        • C:\Config.Msi\6ca885.rbs

          Filesize

          392B

          MD5

          4e33d49608c699ecc4ebe89770bd73c0

          SHA1

          2aadceadd81a98e684515234221913232b7b2c14

          SHA256

          c601b6dc37390f11eaf3303cab671359291611726fd9807b6ea581f100a9c918

          SHA512

          c0f09a145490033c6e9cd76a43d9b91689ef3c551a7fef5c7071559cc99eba911f994d132d31c8da2593b67f0c1d8f969f7e54866c0bd400776d8ae7b570dabd

        • C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\1\877816.wsf

          Filesize

          93KB

          MD5

          2af82f50633b1117cc04c26c477e43e3

          SHA1

          03741b68af553424fdcc1a166c4db6973d14c141

          SHA256

          8896f24f4cc17f8ce5297ec69a1c10ff0fb594e5602b451e85eea8bceb50dc04

          SHA512

          d83b13ee53599a524a7bd781c5a9074608845c143ce03903ecb732a125126a5d55444cbdfdf4c259dc609659d6155b13b0a71d7e5fee9ca2d974a6cb8d8e3ee1

        • C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\aipackagechainer.exe

          Filesize

          871KB

          MD5

          9c56fa0aafd93cab6bd9c1d81353cc92

          SHA1

          0beef69d227a90a980e7583b0e0d17520826add6

          SHA256

          0861d3f77cecd494022492c36106ac9383bac27e29942191acf80f900ea9b2b5

          SHA512

          4be2734474b29c8f8a51073eaf3d2eef9bcb1f29bfa52289455f5e88d5643c421607adc4fe68b714e5af2dda6d23f2413520b8166388a75e82a0e45230ed4dd6

        • C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\aipackagechainer.exe

          Filesize

          871KB

          MD5

          9c56fa0aafd93cab6bd9c1d81353cc92

          SHA1

          0beef69d227a90a980e7583b0e0d17520826add6

          SHA256

          0861d3f77cecd494022492c36106ac9383bac27e29942191acf80f900ea9b2b5

          SHA512

          4be2734474b29c8f8a51073eaf3d2eef9bcb1f29bfa52289455f5e88d5643c421607adc4fe68b714e5af2dda6d23f2413520b8166388a75e82a0e45230ed4dd6

        • C:\Users\Admin\AppData\Roaming\Azure\Microsoft Azure\prerequisites\aipackagechainer.ini

          Filesize

          1KB

          MD5

          1811ec4845f3441953a3d8bb6008a122

          SHA1

          90663e325854c88f9dc9d9ceae1153df30dc630a

          SHA256

          f8f1982478f765959e6a127aaec764c88378c4cb0c04f06d960de44cbe9adc5d

          SHA512

          ed5635727dbb48e1728f3a87e848db699932807dfe41355f4051e3b0ba12f165d4c39e0e26eac899ed52766c7b8e78bd6b3bebc545f009a88f6035a64aa58b2c

        • C:\Windows\Installer\MSIA8CE.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • C:\Windows\Installer\MSIAB6E.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • C:\Windows\Installer\MSIAEAA.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • C:\Windows\Installer\MSIAEAA.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • C:\Windows\Installer\MSIB5CC.tmp

          Filesize

          709KB

          MD5

          130a4e28b3349aff8a444f6fcebbac91

          SHA1

          fee5efe0a1b9aea337e607f417bb091c3017537b

          SHA256

          750bf3e65d692ff255620c5b8d7c951d93d3deb65586ebb5a3e3b7ba2de10e39

          SHA512

          1564306e22db0000a78076e6811f0e4f9ca31c7fea95e1070a6ce422c408863810a2f55376b8db1aec2512e23d926d5d61ac280d4babc31c52dd645440ef510a

        • C:\Windows\Installer\MSIB820.tmp

          Filesize

          709KB

          MD5

          130a4e28b3349aff8a444f6fcebbac91

          SHA1

          fee5efe0a1b9aea337e607f417bb091c3017537b

          SHA256

          750bf3e65d692ff255620c5b8d7c951d93d3deb65586ebb5a3e3b7ba2de10e39

          SHA512

          1564306e22db0000a78076e6811f0e4f9ca31c7fea95e1070a6ce422c408863810a2f55376b8db1aec2512e23d926d5d61ac280d4babc31c52dd645440ef510a

        • \Windows\Installer\MSIA8CE.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • \Windows\Installer\MSIAB6E.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • \Windows\Installer\MSIAEAA.tmp

          Filesize

          584KB

          MD5

          8e565fd81ca10a65cc02e7901a78c95b

          SHA1

          1bca3979c233321ae527d4508cfe9b3ba825dbd3

          SHA256

          7b64112c2c534203bb59ce1a9b7d5390448c045dda424fb3cfd5878edb262016

          SHA512

          144bde89eba469b32b59f30e7f4d451329c541ed7b556bc60d118c9e2e5cdf148c2275cca51c4b9355686aefa16a4b86a26d4c8fe0dd2cf318b979863109592e

        • \Windows\Installer\MSIB5CC.tmp

          Filesize

          709KB

          MD5

          130a4e28b3349aff8a444f6fcebbac91

          SHA1

          fee5efe0a1b9aea337e607f417bb091c3017537b

          SHA256

          750bf3e65d692ff255620c5b8d7c951d93d3deb65586ebb5a3e3b7ba2de10e39

          SHA512

          1564306e22db0000a78076e6811f0e4f9ca31c7fea95e1070a6ce422c408863810a2f55376b8db1aec2512e23d926d5d61ac280d4babc31c52dd645440ef510a

        • \Windows\Installer\MSIB820.tmp

          Filesize

          709KB

          MD5

          130a4e28b3349aff8a444f6fcebbac91

          SHA1

          fee5efe0a1b9aea337e607f417bb091c3017537b

          SHA256

          750bf3e65d692ff255620c5b8d7c951d93d3deb65586ebb5a3e3b7ba2de10e39

          SHA512

          1564306e22db0000a78076e6811f0e4f9ca31c7fea95e1070a6ce422c408863810a2f55376b8db1aec2512e23d926d5d61ac280d4babc31c52dd645440ef510a

        • memory/1712-117-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB