Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 20:21

General

  • Target

    SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.exe

  • Size

    4.7MB

  • MD5

    356b79fd22983f3cd2d707a3aaeea02f

  • SHA1

    5141786b7bbac78d41b450316e10178ab72534ce

  • SHA256

    844e9cb99590b9d850dd755b821d1b92a14a02a6abd240451dad752cc930b315

  • SHA512

    7734c2bc41426ba255e7477f8df90ffbdc142d994e1849db8cb302f1ccbbb5b0864944ce58f8d86e144eb5c04c1b62aaecd44f0f3883ba3a654ab4f8ba816b7b

  • SSDEEP

    98304:QQjMpDv4oHEBKrSS8R9jGHyU1B5Xxk6yZnNVGBmwvGPTuPbyV4dm8:njWDBdYbjGHV1B5Xxk6gMtsTuP64dD

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 51 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\is-2K7MQ.tmp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2K7MQ.tmp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.tmp" /SL5="$901E2,4658082,54272,C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Program Files (x86)\JSON Stdandart API\jsonstdapi.exe
        "C:\Program Files (x86)\JSON Stdandart API\jsonstdapi.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2604
      • C:\Program Files (x86)\JSON Stdandart API\jsonstdapi.exe
        "C:\Program Files (x86)\JSON Stdandart API\jsonstdapi.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5072
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 30
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1936
  • C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 helpmsg 30
    1⤵
      PID:548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\JSON Stdandart API\jsonstdapi.exe

      Filesize

      92KB

      MD5

      75d5de5973549dc01f29dad07e46c1ea

      SHA1

      edfaea775c9f5ba73927f9cea56322746bf8df6f

      SHA256

      5d4e0dd03ec29479d9752cfcddd0e0705b0e038863317bb815c8737b997ec756

      SHA512

      b4cb678c4720989aef9b875698442842b1d4c07ea767b8cda9f61e89a5ad89484e0addd98dd967010f2f82fa878fda08d53a2e65e8861774c4501644415659b7

    • C:\Users\Admin\AppData\Local\Temp\is-04RU7.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-04RU7.tmp\_isetup\_isdecmp.dll

      Filesize

      19KB

      MD5

      3adaa386b671c2df3bae5b39dc093008

      SHA1

      067cf95fbdb922d81db58432c46930f86d23dded

      SHA256

      71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

      SHA512

      bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

    • C:\Users\Admin\AppData\Local\Temp\is-2K7MQ.tmp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.tmp

      Filesize

      382KB

      MD5

      6e4278aef0f6eb0a54563b193f54e071

      SHA1

      8c15d3869f6852fef0afcac57a5253a1ef7d395b

      SHA256

      5f6582d7b9930a57a2e932ed8757a6249f9cd92005a36e6db97d0d883a29f207

      SHA512

      ed1df98d61ca583c535e54b994d1b33d14ec56c59f7a24128c11d6de63840e04c92d6a00e391f60021243fdf17cc6cc2f26ff36ca058c4bf303b7c5a4484b2fa

    • C:\Users\Admin\AppData\Local\Temp\is-2K7MQ.tmp\SecuriteInfo.com.Trojan-Dropper.Win32.Agent.12815.12090.tmp

      Filesize

      98KB

      MD5

      81cab524f6dbe6729148606d6d380482

      SHA1

      27efc67868cee08ffd7c1fdcac86f71d0525128a

      SHA256

      6d6fa144e5fb1041833ca2729483996d56bd63ce8c34189fa4f5a8226672cf1b

      SHA512

      f1d09bce31b9ea8dab9504246ae80d51cccd5789163623d221137f00f17f7621db17881df81c3d4869c99c528eff9219593ed4ec49b2ae0f91c9865997a1f4a5

    • memory/1228-7-0x0000000000680000-0x0000000000681000-memory.dmp

      Filesize

      4KB

    • memory/1228-137-0x0000000000680000-0x0000000000681000-memory.dmp

      Filesize

      4KB

    • memory/1228-135-0x0000000000400000-0x00000000004BC000-memory.dmp

      Filesize

      752KB

    • memory/2604-131-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-148-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-184-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-181-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-178-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-174-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-171-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-136-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-168-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-165-0x0000000000720000-0x00000000007C2000-memory.dmp

      Filesize

      648KB

    • memory/2604-142-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-141-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-145-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-133-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-151-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-158-0x0000000000720000-0x00000000007C2000-memory.dmp

      Filesize

      648KB

    • memory/2604-157-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-152-0x0000000000720000-0x00000000007C2000-memory.dmp

      Filesize

      648KB

    • memory/2604-161-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/2604-164-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/4600-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4600-134-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4600-2-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5072-139-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/5072-125-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/5072-126-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB

    • memory/5072-129-0x0000000000400000-0x0000000000591000-memory.dmp

      Filesize

      1.6MB