Analysis

  • max time kernel
    163s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2023, 22:56

General

  • Target

    370927344de5440a5f01ea57bc041878350f8727c1e801dbc26afccc44bac2f0.exe

  • Size

    4.1MB

  • MD5

    26bcec25e0725f2cb668476173f6e133

  • SHA1

    4efb3e633d1496c829df96e9c9276867f063a035

  • SHA256

    370927344de5440a5f01ea57bc041878350f8727c1e801dbc26afccc44bac2f0

  • SHA512

    39c848826e34b3a729340ad98fdb602284cd40f1ad726c5296e89a58bb1c86d1c858480795965338a63fafa94c3bcf6755c563fa57d27a72449dea43b8af73eb

  • SSDEEP

    98304:Wd6L0S1Bv7p5tbIWzxWX+uPpsDvaDLPSonpQ8w/07VWs9A81AjC/uB7e:66L0SLp5fCxPp1HKepQW5WS1AjC/c7e

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 30 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\370927344de5440a5f01ea57bc041878350f8727c1e801dbc26afccc44bac2f0.exe
    "C:\Users\Admin\AppData\Local\Temp\370927344de5440a5f01ea57bc041878350f8727c1e801dbc26afccc44bac2f0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Users\Admin\AppData\Local\Temp\is-LQQK1.tmp\is-33JDR.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LQQK1.tmp\is-33JDR.tmp" /SL4 $E004E "C:\Users\Admin\AppData\Local\Temp\370927344de5440a5f01ea57bc041878350f8727c1e801dbc26afccc44bac2f0.exe" 4027089 146432
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 6
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 6
          4⤵
            PID:3128
        • C:\Program Files (x86)\VResource\VResource.exe
          "C:\Program Files (x86)\VResource\VResource.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3488
        • C:\Program Files (x86)\VResource\VResource.exe
          "C:\Program Files (x86)\VResource\VResource.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\VResource\VResource.exe

      Filesize

      2.2MB

      MD5

      d051d8334f2c608957623151e5a03bd5

      SHA1

      a3f8cb4692051e4516a6b6fffa75a77fe1a73d21

      SHA256

      a70b62cd4dc9636c82d65e18d0df12718c931b2ef28a0e69088a0994851e2385

      SHA512

      83990eb7affc7c290d70e4b3238e61f69c5efa4a31fb564f430f5bcdffe6dafa40e9c6da7b9889875c35c17fb624cca429cc16cb378603715cae07d22ba79256

    • C:\Program Files (x86)\VResource\VResource.exe

      Filesize

      2.2MB

      MD5

      d051d8334f2c608957623151e5a03bd5

      SHA1

      a3f8cb4692051e4516a6b6fffa75a77fe1a73d21

      SHA256

      a70b62cd4dc9636c82d65e18d0df12718c931b2ef28a0e69088a0994851e2385

      SHA512

      83990eb7affc7c290d70e4b3238e61f69c5efa4a31fb564f430f5bcdffe6dafa40e9c6da7b9889875c35c17fb624cca429cc16cb378603715cae07d22ba79256

    • C:\Program Files (x86)\VResource\VResource.exe

      Filesize

      2.2MB

      MD5

      d051d8334f2c608957623151e5a03bd5

      SHA1

      a3f8cb4692051e4516a6b6fffa75a77fe1a73d21

      SHA256

      a70b62cd4dc9636c82d65e18d0df12718c931b2ef28a0e69088a0994851e2385

      SHA512

      83990eb7affc7c290d70e4b3238e61f69c5efa4a31fb564f430f5bcdffe6dafa40e9c6da7b9889875c35c17fb624cca429cc16cb378603715cae07d22ba79256

    • C:\Users\Admin\AppData\Local\Temp\is-LDH4V.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-LDH4V.tmp\_isdecmp.dll

      Filesize

      32KB

      MD5

      b4786eb1e1a93633ad1b4c112514c893

      SHA1

      734750b771d0809c88508e4feb788d7701e6dada

      SHA256

      2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f

      SHA512

      0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6

    • C:\Users\Admin\AppData\Local\Temp\is-LDH4V.tmp\_isdecmp.dll

      Filesize

      32KB

      MD5

      b4786eb1e1a93633ad1b4c112514c893

      SHA1

      734750b771d0809c88508e4feb788d7701e6dada

      SHA256

      2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f

      SHA512

      0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6

    • C:\Users\Admin\AppData\Local\Temp\is-LQQK1.tmp\is-33JDR.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • C:\Users\Admin\AppData\Local\Temp\is-LQQK1.tmp\is-33JDR.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • memory/748-95-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/748-84-0x0000000002250000-0x0000000002251000-memory.dmp

      Filesize

      4KB

    • memory/748-7-0x0000000002250000-0x0000000002251000-memory.dmp

      Filesize

      4KB

    • memory/748-24-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/1692-0-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/1692-22-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3488-83-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3488-86-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3488-88-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-98-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-114-0x0000000000730000-0x00000000007DA000-memory.dmp

      Filesize

      680KB

    • memory/3600-96-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-97-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-91-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-101-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-105-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-108-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-111-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-93-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-115-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-116-0x0000000000730000-0x00000000007DA000-memory.dmp

      Filesize

      680KB

    • memory/3600-120-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-121-0x0000000000730000-0x00000000007DA000-memory.dmp

      Filesize

      680KB

    • memory/3600-124-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-127-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-129-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-132-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB

    • memory/3600-135-0x0000000000400000-0x000000000062C000-memory.dmp

      Filesize

      2.2MB