Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2023, 19:13

General

  • Target

    f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.exe

  • Size

    3.3MB

  • MD5

    b9dc2d5f1d06834466c6e4fae08e5614

  • SHA1

    dd924da6c81c2b864a28834114046b49a084f78a

  • SHA256

    f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c

  • SHA512

    bc279671225046f2d14832c74fa421bc7293809d68c916b3679d790f33b52dae4a4ff7adeb40045597e0bee97f7ad4b4180f594d44407ca7106de830a0a78b49

  • SSDEEP

    98304:JGgdaNnnnRVNmjfJW4N66Lyq/jU/ON6SXFIAlE:/dKnPoW4NHLV/j+ON5XFIAu

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 19 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.exe
    "C:\Users\Admin\AppData\Local\Temp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Users\Admin\AppData\Local\Temp\is-D6GV9.tmp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D6GV9.tmp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.tmp" /SL5="$401EE,3256312,76288,C:\Users\Admin\AppData\Local\Temp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4000
        • C:\Program Files (x86)\Common Files\TVLand\TVLand.exe
          "C:\Program Files (x86)\Common Files\TVLand\TVLand.exe" -i
          3⤵
          • Executes dropped EXE
          PID:876
        • C:\Program Files (x86)\Common Files\TVLand\TVLand.exe
          "C:\Program Files (x86)\Common Files\TVLand\TVLand.exe" -s
          3⤵
          • Executes dropped EXE
          PID:560
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 27
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:632
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 27
            4⤵
              PID:4812

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files (x86)\Common Files\TVLand\TVLand.exe

              Filesize

              3.9MB

              MD5

              d041ed3bba1a64ee26ed5714844e0b4e

              SHA1

              1eca86e487d8a7a6e2d560488b3646f57683e22c

              SHA256

              97ac4dd927d3a719656d8f2197794103381e327cfa7adc83458fbbedea0e28d4

              SHA512

              d8230d3af182112904a72b8d1d985e323d0171a464266abb7b1c041f074a8049bd86426a548075bfbeba420a7fcc4251735dd2f843fc72b3f1e2345951076d58

            • C:\Program Files (x86)\Common Files\TVLand\TVLand.exe

              Filesize

              3.9MB

              MD5

              d041ed3bba1a64ee26ed5714844e0b4e

              SHA1

              1eca86e487d8a7a6e2d560488b3646f57683e22c

              SHA256

              97ac4dd927d3a719656d8f2197794103381e327cfa7adc83458fbbedea0e28d4

              SHA512

              d8230d3af182112904a72b8d1d985e323d0171a464266abb7b1c041f074a8049bd86426a548075bfbeba420a7fcc4251735dd2f843fc72b3f1e2345951076d58

            • C:\Program Files (x86)\Common Files\TVLand\TVLand.exe

              Filesize

              3.9MB

              MD5

              d041ed3bba1a64ee26ed5714844e0b4e

              SHA1

              1eca86e487d8a7a6e2d560488b3646f57683e22c

              SHA256

              97ac4dd927d3a719656d8f2197794103381e327cfa7adc83458fbbedea0e28d4

              SHA512

              d8230d3af182112904a72b8d1d985e323d0171a464266abb7b1c041f074a8049bd86426a548075bfbeba420a7fcc4251735dd2f843fc72b3f1e2345951076d58

            • C:\Users\Admin\AppData\Local\Temp\is-4SHL8.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-4SHL8.tmp\_isetup\_isdecmp.dll

              Filesize

              32KB

              MD5

              b6f11a0ab7715f570f45900a1fe84732

              SHA1

              77b1201e535445af5ea94c1b03c0a1c34d67a77b

              SHA256

              e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

              SHA512

              78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

            • C:\Users\Admin\AppData\Local\Temp\is-4SHL8.tmp\_isetup\_isdecmp.dll

              Filesize

              32KB

              MD5

              b6f11a0ab7715f570f45900a1fe84732

              SHA1

              77b1201e535445af5ea94c1b03c0a1c34d67a77b

              SHA256

              e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

              SHA512

              78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

            • C:\Users\Admin\AppData\Local\Temp\is-D6GV9.tmp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-D6GV9.tmp\f5f7ab985523351ad90ec0f0779785d2cddbfa7ffaa42a0aa48925da7001a16c.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • memory/560-94-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-76-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-117-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-114-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-110-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-107-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-104-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-68-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-101-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-98-0x00000000009F0000-0x0000000000A9D000-memory.dmp

              Filesize

              692KB

            • memory/560-71-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-97-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-75-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-89-0x00000000009F0000-0x0000000000A9D000-memory.dmp

              Filesize

              692KB

            • memory/560-79-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-82-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-85-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/560-88-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/876-60-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/876-65-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/876-64-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/876-61-0x0000000000400000-0x00000000007E8000-memory.dmp

              Filesize

              3.9MB

            • memory/3552-72-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/3552-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/3552-8-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/3608-0-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3608-69-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3608-2-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB