Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 07:16

General

  • Target

    8645a590ffdb1256a412fd1b25cf80f3.exe

  • Size

    553KB

  • MD5

    8645a590ffdb1256a412fd1b25cf80f3

  • SHA1

    2c450bca974189708f85e46807912d39d26c537f

  • SHA256

    a06faa18af60ba727a97d5f868b9b13318020d6241f8ba3ced1aecd4052ca434

  • SHA512

    fb787c20a946dd89d959fc1027880fdea84773c93a674292d81a8dfa42c681c792eb1a73a7bb412641423c736eae559497d5ba79d0e10aef82308dfd349b1369

  • SSDEEP

    6144:pe34R24ItZzh36dqXEV2rnCeZG/t7FTBqTzP7n7O7L6K2Bfo7ph:B2LDzh36VV2Go0ZTsnz7O7L6ju7ph

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8645a590ffdb1256a412fd1b25cf80f3.exe
    "C:\Users\Admin\AppData\Local\Temp\8645a590ffdb1256a412fd1b25cf80f3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsi899.tmp\ioSpecial.ini

    Filesize

    412B

    MD5

    d8b169f0ec3485ba9641d064f2990555

    SHA1

    09f9ca767693054f927264db9c4002630d2684cd

    SHA256

    5eb7050521d8878804326aab19cb739402efd13c2b2e463bce03c81450711a1a

    SHA512

    661f6cf77ca56b31cfc0fa5f209224c2619a809d2637442af9b5fb12003054419404347e27abce53aa49c204b26ccc4b53664796926598b4a4a5c1dfb32cdd98

  • C:\Users\Admin\AppData\Local\Temp\nsi899.tmp\ioSpecial.ini

    Filesize

    1KB

    MD5

    e99ed422bcb9b4e708e2fda395c2618e

    SHA1

    2a850fc829774fd1d9e37a3425394ce307b50f44

    SHA256

    eca2d136856debb79fb7483844d4741a4a1849a18c28712018dbfe3df29cb78e

    SHA512

    a6baf03819033ec49448520a908fcab688ab9c7722c2a45f9318658505b9e5626b0ad31d853e0bc14b61b723e605958c147ba76e1d755d38f704fc0a56e9bdd9

  • \Users\Admin\AppData\Local\Temp\nsi899.tmp\BrandingURL.dll

    Filesize

    4KB

    MD5

    71c46b663baa92ad941388d082af97e7

    SHA1

    5a9fcce065366a526d75cc5ded9aade7cadd6421

    SHA256

    bb2b9c272b8b66bc1b414675c2acba7afad03fff66a63babee3ee57ed163d19e

    SHA512

    5965bd3f5369b9a1ed641c479f7b8a14af27700d0c27d482aa8eb62acc42f7b702b5947d82f9791b29bcba4d46e1409244f0a8ddce4ec75022b5e27f6d671bce

  • \Users\Admin\AppData\Local\Temp\nsi899.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    325b008aec81e5aaa57096f05d4212b5

    SHA1

    27a2d89747a20305b6518438eff5b9f57f7df5c3

    SHA256

    c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

    SHA512

    18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

  • \Users\Admin\AppData\Local\Temp\nsi899.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    9384f4007c492d4fa040924f31c00166

    SHA1

    aba37faef30d7c445584c688a0b5638f5db31c7b

    SHA256

    60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5

    SHA512

    68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf

  • \Users\Admin\AppData\Local\Temp\nsi899.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • \Users\Admin\AppData\Local\Temp\nsi899.tmp\UAC.dll

    Filesize

    17KB

    MD5

    09caf01bc8d88eeb733abc161acff659

    SHA1

    b8c2126d641f88628c632dd2259686da3776a6da

    SHA256

    3555afe95e8bb269240a21520361677b280562b802978fccfb27490c79b9a478

    SHA512

    ef1e8fc4fc8f5609483b2c459d00a47036699dfb70b6be6f10a30c5d2fc66bae174345bffa9a44abd9ca029e609ff834d701ff6a769cca09fe5562365d5010fa