Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 20:32

General

  • Target

    760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.exe

  • Size

    6.9MB

  • MD5

    b28164bcd9218e83426566500595de92

  • SHA1

    e89284f576f06e2a3e9e942ec787e358a1c88ac9

  • SHA256

    760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba

  • SHA512

    0c51e1bf2c5061e3db0c1f4f0daad1902ec43b73777b53d434a1a833417cab36bf2e8126f48f0267f9e466e3b417bcfec491d645edcb91cc64c03c48b4500574

  • SSDEEP

    98304:3+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:uz25G6bV1yYDuZxCWQNhUU2uNzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.exe
    "C:\Users\Admin\AppData\Local\Temp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Users\Admin\AppData\Local\Temp\is-TE2GN.tmp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TE2GN.tmp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.tmp" /SL5="$A0042,6985375,54272,C:\Users\Admin\AppData\Local\Temp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3904
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3136
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2980
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1828
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:1080

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        143KB

        MD5

        63d71f015c81869e50477b976909cd84

        SHA1

        4cb7fa4f6f773816745093c15d57dbee8f3ba070

        SHA256

        8106004f33423ce7e24ab6232a0455fd7f9cadacf37cffb9a4aceaacbc23a4a8

        SHA512

        8b3c97403ba86e499250cd37c47c839e5e5edd35de1939aeaa973632ad5f3dda1b347c3c439e9edc9b067390248f89ab5accc3e1da7958961777ff8451e444df

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        83KB

        MD5

        0a977082e5d34882e7f3ea1954e56eab

        SHA1

        d688ea092083997b11f18eb88448c6b30a9ad0e6

        SHA256

        1b63de9477940546cb98ba124e9c764b8e422ced1407af1b7609a4252cccace0

        SHA512

        1202b820b3bf5ba8cda8e77baedb4dd3a513d722d43d25f4b54c09ebc8221e1c441a996290926e8e64b1e76eb407f1b94d9ce6bff31964c6be0e1e2ad2b8a825

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        74KB

        MD5

        7dca7f6d7720302ba7ec7042b1b8729b

        SHA1

        3babc4544f7939e7b3de0baf93998a88d7c51c04

        SHA256

        3cb89f7b8542723a11792c84b6336f7194269599d3e166d8086acc4bd5294e26

        SHA512

        7e6045df007d3b6b97664fc465eea05d7580c979ce968855524a8141d2748d613463055314bc5a8069de980960c79872b5a96130c2ee06ffbf465624e68a0990

      • C:\Users\Admin\AppData\Local\Temp\is-A4URU.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-A4URU.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-TE2GN.tmp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.tmp

        Filesize

        361KB

        MD5

        d31204f18e263899d351c79d7634e27c

        SHA1

        d720824e8e09607e5e87b4d4cd68371f88403356

        SHA256

        8b23aff0b087461a44d9275ba867b93fa4101cea8167948a11f799fb4e37a64d

        SHA512

        e7c60907e9b2d7ba48fc025590e2bf3833bb9f0f0eff3ec3a7fd2d6109448f9e9927b88f9e26afd9e0a54bc6d8325b137d4b0a76122c0ee7d728e34b66730816

      • C:\Users\Admin\AppData\Local\Temp\is-TE2GN.tmp\760dae75db499e06037bafd3d500b7b731b2ad25525b5e78152a9cad725fd2ba.tmp

        Filesize

        474KB

        MD5

        28377d00daf51ef08ec46bad0ac56b5e

        SHA1

        0ac06219fb1bb375d0e5a30c62170ca4c65275c2

        SHA256

        15470c13575df7e8e399f198c2dd2ce4b8a1cd2d88d7eb3047dab1beb6279fa6

        SHA512

        1a79f41f9c8de836e4c53c05d61b3b12045d4888e2088bb95859bfe92901a91058a6cf02ec8dabdbff44ac9e5609d3d541c1acf31bf0f65392ae470a29b070cf

      • memory/8-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/8-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/8-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2980-181-0x00000000007E0000-0x0000000000881000-memory.dmp

        Filesize

        644KB

      • memory/2980-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-179-0x00000000007E0000-0x0000000000881000-memory.dmp

        Filesize

        644KB

      • memory/2980-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2980-190-0x00000000007E0000-0x0000000000881000-memory.dmp

        Filesize

        644KB

      • memory/3452-7-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/3452-163-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/3452-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3904-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3904-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3904-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3904-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB