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Analysis

  • max time kernel
    145s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 07:40

General

  • Target

    ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.exe

  • Size

    7.5MB

  • MD5

    81fa3ce660b3438a07d6f4424ba2727d

  • SHA1

    18ab804b8223788289067270bbe8a90553945ae6

  • SHA256

    ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96

  • SHA512

    b20fe0dcc995e2ce59986122a6cf893fba68b20ed164343d90b2069923e7949a7ba4f3597d09cf3fe25074685bc07df549b061f76316e1c244ecb3c382023dd2

  • SSDEEP

    196608:/xm58iQeIvIULCbMPJh/xL9xLB8K8eNF93FgAfMuAGErzj:LiQvfLCbM3xvLBh8eNF9VgAUuA9rzj

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\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.exe
    "C:\Users\Admin\AppData\Local\Temp\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Users\Admin\AppData\Local\Temp\is-IB90K.tmp\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IB90K.tmp\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.tmp" /SL5="$801F6,7631459,121856,C:\Users\Admin\AppData\Local\Temp\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4620
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:516
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2648
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2628
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5048
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4584

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GIFMount\gifmon.exe

        Filesize

        832KB

        MD5

        31e46e419a31ba1beeba8db6e7300f00

        SHA1

        bc885c30a8a2ccdee402485f746138518719446e

        SHA256

        ba3babd28e324190bd3b96948d507b7024cc0c24a8da5ef08e995fc7f30dd564

        SHA512

        d1544a7943e613e05369675d17f0769a738be9fe46de82eac803023344a13d8d8e9fd19382b4c2d11b6d20ae6bae11342209fb5123d4b6bf74f1181e8e5d03c4

      • C:\Program Files (x86)\GIFMount\gifmon.exe

        Filesize

        576KB

        MD5

        6c1f181308b2e9c7106f405e7487c90f

        SHA1

        9d4e901774ab7170da4abd68e57522f74963c63f

        SHA256

        60e19338e7399b805a7b642556e795e02e71e191c62e7dc5162541af264814b9

        SHA512

        233b019959a588ce6d329b731c6f0a87fb721ee640a95976ecbb574440e5505ea47c3121b4cac3eab9996867a46b795af2fa1128cd41f05a8a2bce1b2544d002

      • C:\Program Files (x86)\GIFMount\gifmon.exe

        Filesize

        2.4MB

        MD5

        e43bb333ea66ea652c5eaab223fe7138

        SHA1

        1357cfd696a3a889a6db0b88239ba7227d2d6dc9

        SHA256

        6bd446fd3d0a87ea9a8d41751371b4c947100640806814b31c4fb5f4fd69842e

        SHA512

        6915e8ed932ecc7dc8350e5c2c58622bf31438a47bd2208c427cd4767bb84edc93e99496d6982000c0193ac1043673273f38ea525a51dadf395a5a04e24edea5

      • C:\Users\Admin\AppData\Local\Temp\is-IB90K.tmp\ff709f043a44da294b601b89b40392f778d6a2847ba3f5b4ba19662b44de7d96.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-RMTJ1.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-RMTJ1.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2628-158-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-161-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-201-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-198-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-208-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-156-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-188-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-195-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-192-0x0000000000960000-0x00000000009FE000-memory.dmp

        Filesize

        632KB

      • memory/2628-205-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-191-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-165-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-166-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-169-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-172-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-175-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-178-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2628-180-0x0000000000960000-0x00000000009FE000-memory.dmp

        Filesize

        632KB

      • memory/2628-184-0x0000000000960000-0x00000000009FE000-memory.dmp

        Filesize

        632KB

      • memory/2628-185-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2648-151-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2648-154-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/2648-150-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/3712-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3712-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4620-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4620-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4620-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB