Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2023 19:33

General

  • Target

    ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.exe

  • Size

    6.9MB

  • MD5

    710f75505562d2a48b06164dbbff6d1e

  • SHA1

    808c1735aac1350d40aa0dec08daf73017bbc1e2

  • SHA256

    ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0

  • SHA512

    3b64302d3214d1eb5bef1e30e5be3054444791bd1c24ad66a545f6c90406434864afe05e9406fda631afc001796f97a4b869883a0b9b8ec173302f8e708a8bdb

  • SSDEEP

    196608:aSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:aSjumV+jHUodIjk5VzfE9Awzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.exe
    "C:\Users\Admin\AppData\Local\Temp\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Users\Admin\AppData\Local\Temp\is-MNNIU.tmp\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MNNIU.tmp\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.tmp" /SL5="$70090,6998999,54272,C:\Users\Admin\AppData\Local\Temp\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4312
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1168
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3288
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4268
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.3MB

        MD5

        02e731d426a6c572a98b2b1e90ed6dbe

        SHA1

        f19f2dfdad937f0fee226688ab093c012f74d20f

        SHA256

        7f237f93818f142b8cfcc8fb34c8fea80294e22f4e86df4dcbc018fe55aff78f

        SHA512

        4ec63959eb2f520ea3190e8596c45a50af60d8da4df199cfdd53820a5e63228002107e4206f0f8f57fdf108aa25ece343f1551f4b7fe7e27cc7767768374af72

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

        Filesize

        873KB

        MD5

        c9c37e82a94b82cd871227848820741d

        SHA1

        1d8716af31f0730dca393a4af2ac714eb4546ea8

        SHA256

        c4d883500bfb1cce78a5b87989816abc7b9beb8c8734737a6b1c41b7cbea3bab

        SHA512

        fd56b3c2cf5de869dd0bdc921d0a350c239eb0beb70970b2c3877481f9939288dd5918edaaccb55038bf9bcb8a7100b9d905d0dac6f4114507bf9a546f086219

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

        Filesize

        221KB

        MD5

        7a4cdbe9e0542983dae2b223160c70b5

        SHA1

        683f30f3e867c9df776a953798d8d62df9bbc3c7

        SHA256

        00f29e280bfa5cd1568beff19fad531d0ca70521f0f3cab60171fee84c392b76

        SHA512

        69ab0fe65db297c73fa2bf6d7574b607a2fb6b3c27cfe90da7ae2183bd8b064f6912cdd8a494e89b56d15d037ae9f442d2706413faf9a8f870d1e2472f2c922f

      • C:\Users\Admin\AppData\Local\Temp\is-03C5B.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-03C5B.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-MNNIU.tmp\ac01bc744187b74a5f0ed17a7544d9a3d910fbc23625bf7b86faa7d41441c5f0.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1168-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1168-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1168-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/1176-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1176-163-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/1176-10-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/3640-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-180-0x0000000000920000-0x00000000009C1000-memory.dmp

        Filesize

        644KB

      • memory/3640-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-189-0x0000000000920000-0x00000000009C1000-memory.dmp

        Filesize

        644KB

      • memory/3640-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3640-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4720-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4720-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4720-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB