Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:24

General

  • Target

    8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe

  • Size

    15.3MB

  • MD5

    9240aca1f525f6e95cda49f229c524a9

  • SHA1

    2e8c54593b569fe814e1832b9178458a1a29502b

  • SHA256

    8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d

  • SHA512

    235c9e34a23f494de891d2aee96aec631990ef6bef810e3ef0e7aa45cb67f575451bf052d465dd61293193728bec43084d94a03ab1cf0abf1c1025ce23e3a334

  • SSDEEP

    393216:1ZNVjchuWAR4qmA0ME5py3stm+VtSLuosYc4/sOG5PE:XNVjchuWARCVdA3sto6oT/sOG9E

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe
    "C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe
      C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe /i "C:\Users\Admin\AppData\Roaming\Xiamen Baishengtong Software Technology Co. Ltd\Ease Paint Solutions 2.2.0.0\install\EB578B6\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ "EXE_CMD_LINE=/exenoupdates /forcecleanup /wintime 1727572870 " CLIENTPROCESSID=2300 CHAINERUIPROCESSID=2300Chainer
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Xiamen Baishengtong Software Technology Co. Ltd\Ease Paint Solutions 2.2.0.0\install\EB578B6\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\8724823c104bbb4ec3f7192eac1c97b482fd129e7550201cb77cae0c066ab09d.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1727572870 " CLIENTPROCESSID=2300 CHAINERUIPROCESSID=2300Chainer AI_EUIMSI=""
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        PID:2460
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 56532AD9F3189FB7C1158E173CA185DA C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2608
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5163C7DF24862EDB2785F1DF99D65759
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7B4A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\MSI783C.tmp

    Filesize

    904KB

    MD5

    421643ee7bb89e6df092bc4b18a40ff8

    SHA1

    e801582a6dd358060a699c9c5cde31cd07ee49ab

    SHA256

    d6b89fd5a95071e7b144d8bedcb09b694e9cd14bfbfafb782b17cf8413eac6da

    SHA512

    d59c4ec7690e535da84f94bef2be7f94d6bfd0b2908fa9a67d0897abe8a2825fd52354c495ea1a7f133f727c2ee356869cc80bacf5557864d535a72d8c396023

  • C:\Users\Admin\AppData\Local\Temp\MSI7965.tmp

    Filesize

    1.1MB

    MD5

    e612b2f3c68a7d5c34592c88778766b2

    SHA1

    e18329c9f763f923682408032b7b35a4e62fdf81

    SHA256

    403869ed494bcbc3e535b492f2ebfad95748049e203ff7c31ac1afb38d8909ed

    SHA512

    753c8d4600595c0b83f1a5bca9da637d56d7778ffd74a90942ee243e6b998c113e372b35cde4aa90b4a11152176812e354a6c0761b169243ecf5d3a9c793b543

  • C:\Users\Admin\AppData\Local\Temp\Tar7C08.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Xiamen Baishengtong Software Technology Co. Ltd\Ease Paint Solutions 2.2.0.0\install\EB578B6\adv.msi

    Filesize

    3.2MB

    MD5

    d52c61e64e634a68f843764e434a0b90

    SHA1

    a634063b053b3027cf6a501c6cfc407532a7f480

    SHA256

    2f0573d8ba3795907e2789d90fc2deccb97538f580524c1442a87a0cf76374ad

    SHA512

    7b7cdc88def71da54202b3e0a3cff6a063ea3d51fa83e07910dc2cdf92b3647913febe16aa6da29012485e15fa9e6ce0360e136e8918d9ed8943ca577b5eb7de