Analysis

  • max time kernel
    144s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 17:34

General

  • Target

    b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.exe

  • Size

    7.2MB

  • MD5

    78753191730d48a17dc323ab9a7c30cd

  • SHA1

    2dae9487e3862dd242a3c976ec00e605d5de28b2

  • SHA256

    b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc

  • SHA512

    373afee35500220bae6d620cc7ee2128ca8a40181d907b4e9e286b2f8a41cae5a6601c34cc70d8a71464e03539a05d85ed3d779c7305ac54fb6a7bb58bb1b9b5

  • SSDEEP

    196608:Wxm56Uu8mvAF2l3qqRHw/djqMJueNbMvn+pXnhH5RCLK5Ehezj:Hul8A3nHwljqMksY/4p5RC25qezj

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\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.exe
    "C:\Users\Admin\AppData\Local\Temp\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\is-S242Q.tmp\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S242Q.tmp\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.tmp" /SL5="$901F4,7260641,121856,C:\Users\Admin\AppData\Local\Temp\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:5040
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4948
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4696
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4204

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.7MB

        MD5

        3c577f80d3784f7c2b70b0f34ec46fed

        SHA1

        d76892589c733e1752f8d885a6e528d948228627

        SHA256

        45cac31b27eb63a1f59f6e7d20ff6cc2889d930b4401b0041d9a23ddc356a444

        SHA512

        821f8d29f43be47bdc4e6e66e6eff612ba8dfc69d343f4dcdac6849cf4311402ead46bc155aaa40c7f48e50a4c26a70dcad5f414fa9a6d2f1137514fbf746fda

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.6MB

        MD5

        69a16ae570bdfe77ee4aef0ec2a8d26e

        SHA1

        920aef2af3653d12b6bf5678fe98fa94f0a59b53

        SHA256

        787bde4278d39e7212e6e1869673f3d360b4ad17caf53e7ffa38d53080a55487

        SHA512

        d4f6c17e4ff47b1459cfb0679973f88cde4e6e724d0495a70aed2583aae05fe974fe229b3921bc88f2fa9386d998f2aa6c8a480d123bc9bb0d08342841537933

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        203KB

        MD5

        69c148836215bdd251fceed1c98cd2e5

        SHA1

        cfacff8154db493ac7c0128504aef4baa2e55d46

        SHA256

        47b1281a4add4878d9a8085600b6a298ac0d4da0b15bb100bf699c851618774a

        SHA512

        ede98f826abafd2ec074fceaa8e4fbd0f2680bb1da0c4a57e16bc625d1a000a4cb55dbc52b00360807b554641c9aa22e81fa3f6fd9b79ed0b452eeb3805d238f

      • C:\Users\Admin\AppData\Local\Temp\is-S242Q.tmp\b965795a13de9b4ca53bdfc3c7129b4d44064de7dca20a393f0505b6665437cc.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-M7GHD.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-M7GHD.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2640-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2640-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4204-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-191-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-207-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-204-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-201-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-160-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-164-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-168-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-171-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-174-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-177-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/4204-181-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/4204-194-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-188-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/4948-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4948-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4948-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4952-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4952-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB