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Analysis

  • max time kernel
    143s
  • max time network
    131s
  • 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, 17:55

General

  • Target

    99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.exe

  • Size

    7.1MB

  • MD5

    e3b2713c5b5a0191f7e3b4bd51cb019f

  • SHA1

    ab6fedafd8cfb2d4afd50b75c35c8d15a2c3261f

  • SHA256

    99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e

  • SHA512

    7cd60f722dc0352c4d1afff0b05b7dfa2465ac7c6ed4495083c3ea845eb7cb38728a525f424a1f2f7e49ec4c10ed5be388d1f84b801cae6665f2de6d3a37e6ad

  • SSDEEP

    196608:exm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:oRepZKwaS79SoASGDP0Qwzj

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\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.exe
    "C:\Users\Admin\AppData\Local\Temp\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\is-DDFOU.tmp\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DDFOU.tmp\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.tmp" /SL5="$1A0076,7235080,121856,C:\Users\Admin\AppData\Local\Temp\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4540
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:408
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2880
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:428
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4696
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2276

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        816KB

        MD5

        92301b12542690924e6e585632839b23

        SHA1

        911a6a4f6d8a00d09b21208058d3112b86d8fb8f

        SHA256

        4edc67a4250d578b2938a4b4d457dac9d0cbf695a83c79e2c09b9734403b85cc

        SHA512

        0224af2c54f9c83c977837e2e2668ef98d25b732b2e4b96c04dda7e6e955b334c39571846fcd5624e6664ec1ee00fab72e94130be0ba12da5a175e23edc806a6

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

        Filesize

        1.4MB

        MD5

        1f6120f17da8dc1cf763d0a0015ea1ca

        SHA1

        3e051dceaf8c244730e6542d8288dfb8ffa230fd

        SHA256

        4f02e39cfcb7c3115cf121767d056c2fd535ffc2a741cd74f2e9500878d4f9d0

        SHA512

        2168109b02d5defeaec308b5e28a6ef94f093a346dbe62aa0cfb0bd5220e96e848392c733d1dbf197ca4919575f6ffd07906d3d23e1560e044a4e3f46c439328

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

        Filesize

        82KB

        MD5

        b887389246a1f353b69f5def995d3fad

        SHA1

        adc40fa7582d7e6bbba53b40f1b6fd63aa34aef9

        SHA256

        1abad9fab64aac63b853a9aa89f787934a05e24778d22e8491c52d9548df080c

        SHA512

        9036621cd546d6fd1b1b9c6d025cab38f97cbe0361a498464c5ac6d93490e48cc4438917db780b49de5c5de920ace1c5a7054d7df2357a35fc54088682db0f49

      • C:\Users\Admin\AppData\Local\Temp\is-DDFOU.tmp\99ee050eb53fce42e33fb1caf6a0216c83212e2946d19b0f140ef648cecd0f8e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/428-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-202-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-198-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-195-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-208-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-185-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-192-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-189-0x00000000007D0000-0x000000000086E000-memory.dmp

        Filesize

        632KB

      • memory/428-205-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-188-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-178-0x00000000007D0000-0x000000000086E000-memory.dmp

        Filesize

        632KB

      • memory/428-179-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/428-182-0x00000000007D0000-0x000000000086E000-memory.dmp

        Filesize

        632KB

      • memory/2880-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2880-155-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2880-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2880-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4540-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4540-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4540-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5056-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/5056-1-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB