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Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 16:52

General

  • Target

    5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.exe

  • Size

    6.9MB

  • MD5

    617935fc588612345a48004d56ac5423

  • SHA1

    980e7c61dfe42d76b52636b5f48a7faa83503d56

  • SHA256

    5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5

  • SHA512

    f2c1b7e311b750650c4c824d5d92f7185c5f1d1d2e5e3733bb7f7e5ae1df78a69e44935ecf08a02c975c92b1c8ccc6c0624ecdfaa7bcb099a0fb0511e2c34a44

  • 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 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\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.exe
    "C:\Users\Admin\AppData\Local\Temp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Users\Admin\AppData\Local\Temp\is-R9QT7.tmp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R9QT7.tmp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.tmp" /SL5="$80208,6977575,54272,C:\Users\Admin\AppData\Local\Temp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1596
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:320
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4808
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4380
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:4080

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        65KB

        MD5

        866dc6089fb35516e2af75414266e9da

        SHA1

        4277ec8c1c92918bb5f7744129d99a5e898658f7

        SHA256

        5f4ebd63709c36d9345bfb66f032cc91ab8cd3f7b23118f955bf5348e398d20e

        SHA512

        f5d760cf480dff24d6952f8452188f85b93df5f417a6409d35797a76b924d360066bb1aa221a364a53577730391406cbfef4f5afa6b20238a0210d9a5076414a

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

        Filesize

        83KB

        MD5

        4b5f85463712a20cc5b2e1fb00179274

        SHA1

        f544641ba7fceeda0d34404098ae0aa5a3ee8efb

        SHA256

        97752153c6ac9d16c571439219739e00ea4c4f025a689840064569ab0f5b4c3d

        SHA512

        359eaeb7d3ac2675e550f9d5de484a4749c43ca506dcec3c11d449a5d05edaeb0fbe337d941c4d27385e68d8b69c90460b91553e3425b22423a2bc8a9af22759

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

        Filesize

        88KB

        MD5

        e57ac8314c66d888d9cf41c479e79b1a

        SHA1

        42ce68c86dda4cb3d4c61bf604e996e272a00e04

        SHA256

        fde1e5847ea88a17d29f0bba0cea1f1d8258a1d5278013ffd4aceb20a505bc9a

        SHA512

        01fdac6f50c158c99432ed0f5686d60a7d1a05b80043bf5406464c673531bae107d10f327e09658ac947004475fc50d657f9f68b096acdeb725f38252f7739d3

      • C:\Users\Admin\AppData\Local\Temp\is-R9QT7.tmp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.tmp

        Filesize

        263KB

        MD5

        51a32cf88022c53d5a64a60116bca34b

        SHA1

        9491672137929aeb6da0b682385c79551da57480

        SHA256

        46696824be6619c436a4e4f4ffcdbbaa9d540552fa2aef54bdc47afa6c49a607

        SHA512

        6901278512cd9daa206aed95c307586248f8fa02ba4f8518a0c285d9cde439b453e9ef51183606b8c967e7c87fdccc11263c77c1c3a016ce7f295e5baae58fc1

      • C:\Users\Admin\AppData\Local\Temp\is-R9QT7.tmp\5922459d6905a6ab6f35a9a2fb178f67a8b4f5edf873ba42cad9dd4b84d410c5.tmp

        Filesize

        182KB

        MD5

        9f79dbc5ae8773e4f1573d3d4d705698

        SHA1

        a3afda6b35864b105526d215b591ca322711d88e

        SHA256

        577178bd75d3378043b42e2e32f47522c6e5e4bcae1ab03d32f120baafd30f5b

        SHA512

        bc60b06a45419ca60cb5a73033bb22a81620cbda0d45177e38f476462e9ce9a748e0e7b14a5298746d246a41f3c291d0dcc63ef8fba2d27810854e6f19c9aa25

      • \Users\Admin\AppData\Local\Temp\is-9K70Q.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-9K70Q.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1596-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-190-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/1596-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1596-177-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/1596-183-0x00000000008B0000-0x0000000000952000-memory.dmp

        Filesize

        648KB

      • memory/3840-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3840-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3840-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4808-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4808-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4808-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4808-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5060-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5060-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5060-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB