Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 04:28

General

  • Target

    5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.exe

  • Size

    6.9MB

  • MD5

    4d34ea17f56df66916874ea4c266dcaa

  • SHA1

    96076007a1ce766b95a72ba141477e571cc9f710

  • SHA256

    5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef

  • SHA512

    35d0da87fddc3697a4ae2b6da9ef9e2410a0f99b2ca34e4607054106fb69c81f260e53f86014a72b13cb973cb214d8141c55cc7214ae39f058d7497d125c8c8e

  • SSDEEP

    196608:uA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:eBmakyVnlUQ7Wz3Tv1jNTh0zj

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\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.exe
    "C:\Users\Admin\AppData\Local\Temp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\is-S31OE.tmp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S31OE.tmp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.tmp" /SL5="$E0068,6977575,54272,C:\Users\Admin\AppData\Local\Temp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3484
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4124
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2204
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3396
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:1600

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        411KB

        MD5

        d52c78f4228b22a21f6e6c3cdeb0bfec

        SHA1

        365ee43d8b700efdbfdf2958bd15dbf78b068bd7

        SHA256

        8cb65b6d1385929b3b57f805cbdba93957fcd22cf98d77536b17d2720b0929fe

        SHA512

        3a1531f13ab830d8b0cca97de7644000e3b351b2ae0b67833c06aab6c3e1ae7d1ce282ab9130eb51dd9e1ca554cc5ae5d3254f6231637a738bad72fdc2dae5f9

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

        Filesize

        486KB

        MD5

        3e0b1df02dc4c7b86851cc491e5defb4

        SHA1

        b7be52fa97496f62f5e73aaec257e8e67cd1e9f9

        SHA256

        e5cbe2fb77464a613e009773ce5a22472286c7ac20ae459a962ae63b1a2a41a1

        SHA512

        2e617935e9cdde0e0adc5598d4cda3bee831fa4d8d2d7a7ab07d547e9c1016a73656dcf0a70d80d6a01109429bf2e11c7ce71edc1cb680dcc3bd86f27bcaa2f6

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

        Filesize

        29KB

        MD5

        fc7cc7804dd7e61eebdcb7b85c99d530

        SHA1

        093f761f2174b6aaa324029706da5283108c0e54

        SHA256

        e1a4ade420a62a4f67692595ddbd90b7481d360af44eb7e062171c4381781448

        SHA512

        fe32fdbcf87215b68121e838d1b78706ea5f048f62a707af7d7aaed5159373c15fcc6da1dda5c24cba5936bb69057ca9d4f2e380ba6da9712d9f10bcab2e6f5a

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-S31OE.tmp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.tmp

        Filesize

        363KB

        MD5

        c58dc7effbab6624cd97b11da659ede0

        SHA1

        255d0087dc7715df3ad45d8f4d7c9ec53f5c810a

        SHA256

        0d0cd65ff3ee556937627db2ae7e7795fa0b4c9849177d0e83f160832b2bc8b9

        SHA512

        87747b3e33a3018eb5baeca543f6a2b4ff127f9d4a34f9a3133fdb6337baa103cb9b3d9ef78b690f210fbf60778783736c88a0df43a38a9747b7d1f4c9675caf

      • C:\Users\Admin\AppData\Local\Temp\is-S31OE.tmp\5239a2146ee5764045cf1f79a9a2fba78d44ce561bc2bb6196ace6c7b5c869ef.tmp

        Filesize

        209KB

        MD5

        e6a2afb980a666cb97193070db0773fc

        SHA1

        50d5c6902b83838ce96c9b3a38713e6098cec518

        SHA256

        afe1899979c1ecec3f9394ced80bbbf080250f4de7e948dca972e6a3fbda3d08

        SHA512

        31eb9f00a07cf3686b51012ee4e08340d4df0ba63b96fd3df2c1b7d21d9ff410e7874a609b6264a961a542cae51d2fa1c724550cc32cda025fc4616024fbf30a

      • memory/1772-162-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/1772-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1772-6-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/2204-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2204-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2204-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-179-0x0000000000840000-0x00000000008E2000-memory.dmp

        Filesize

        648KB

      • memory/3484-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-180-0x0000000000840000-0x00000000008E2000-memory.dmp

        Filesize

        648KB

      • memory/3484-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-178-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-189-0x0000000000840000-0x00000000008E2000-memory.dmp

        Filesize

        648KB

      • memory/3484-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3484-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4684-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4684-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB