Analysis

  • max time kernel
    209s
  • max time network
    230s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 21:54

General

  • Target

    Zui---Insiders-Setup-1.3.1-5.exe

  • Size

    137.6MB

  • MD5

    daeb66e1363288bcfdab882299217095

  • SHA1

    a8fb7190057ac6dbb3333ee9075532e182c43496

  • SHA256

    8e897ded8b0e16fa2120cdf746e820c2b6942f25d23a90fd6d5a1a9155c3e7f7

  • SHA512

    e0edeed01a0959fed655f81d2b58a404813fa90aa713c6576b1cbf7dcfe71255682e146edde53876c0f6636f743c606c6705e80a4c13c3ec36cc12ae6f893fc8

  • SSDEEP

    3145728:/f3pza3VJ7Y2Lh2WOSdyclhsJtZUWoNucAOsKMP0a8E1Pqd:3ZzalJVbfgOsKMMPPd

Score
4/10

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zui---Insiders-Setup-1.3.1-5.exe
    "C:\Users\Admin\AppData\Local\Temp\Zui---Insiders-Setup-1.3.1-5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Zui - Insiders.exe" | %SYSTEMROOT%\System32\find.exe "Zui - Insiders.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4864
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Zui - Insiders.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3436
      • C:\Windows\SysWOW64\find.exe
        C:\Windows\System32\find.exe "Zui - Insiders.exe"
        3⤵
          PID:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\frameworks\control\__load__.zeek

      Filesize

      12B

      MD5

      3a5d84dfe287a54bbaf6a503d3ba50fd

      SHA1

      4416498587d53cd53fd85bfa9b731f6a4fb35d79

      SHA256

      0e5a6800e0c4e6cfbae0d4c526a83c777d3b337e9837b9a7899053e9ec1cbaef

      SHA512

      07fc61938e2efa48c15a573f654854a0155bb16a355d98633b3bbf154c6626d3430010ae69ce42b64b8f166a61730a40b4a7381042d8882f0e3510fb695bb7d4

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\frameworks\dpd\__load__.zeek

      Filesize

      14B

      MD5

      8f6f9285d9e7f44bc2e93703240e264f

      SHA1

      3ba67ee2ad3015d4b1bdf909ea95223779e6faf7

      SHA256

      2705c851f65a58737b9ebcd36e5229304e37dbc7bb6cc000c21a47b54de5031c

      SHA512

      3cc4f2db837520006cc4874c68d58d1c32c2abe04fc5712fc788477e0c30ba7fff8ed4add8eea0c257223feba48ef0f6def5ef851b85bb6996dec9b369955f0f

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\protocols\syslog\__load__.zeek

      Filesize

      28B

      MD5

      7f4d837e2256586b6769777e18b76d61

      SHA1

      23f6d67b693a957eb5f00b35020991da1bb11b0b

      SHA256

      053572523fb5963a8baa19a2ad017cca7f11e3e7cd0c4281db07866bdf3e3198

      SHA512

      0518a345fc2f542d086bea6e2905ed22dfb34da537cd9145087159d1de30303c3de1319d3b2368068e6152b2a9fb18c57009e93544ce8286ba62e108bfb08a06

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\StdUtils.dll

      Filesize

      100KB

      MD5

      c6a6e03f77c313b267498515488c5740

      SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

      SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

      SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\System.dll

      Filesize

      12KB

      MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

      SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

      SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

      SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\UAC.dll

      Filesize

      14KB

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsDialogs.dll

      Filesize

      9KB

      MD5

      466179e1c8ee8a1ff5e4427dbb6c4a01

      SHA1

      eb607467009074278e4bd50c7eab400e95ae48f7

      SHA256

      1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

      SHA512

      7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      ec0504e6b8a11d5aad43b296beeb84b2

      SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

      SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

      SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsis7z.dll

      Filesize

      424KB

      MD5

      80e44ce4895304c6a3a831310fbf8cd0

      SHA1

      36bd49ae21c460be5753a904b4501f1abca53508

      SHA256

      b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

      SHA512

      c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df