Analysis

  • max time kernel
    35s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 19:20

General

  • Target

    7c620f942fa9513eb0d2dcff718be048.exe

  • Size

    364KB

  • MD5

    7c620f942fa9513eb0d2dcff718be048

  • SHA1

    d61531c62747ce614356a3f31e905e774967c3ce

  • SHA256

    a0bda609a6ecaadcf5c6dced3f6fc53a4aa83fa3feb78bf2e64612ab69e37310

  • SHA512

    e319dacbcb1580cc06d7d772138b7e2ce38840cb6bb5832c2ed138c160404af9726bcc3db71d1fac91d51971d2f8fe945d3c4adb16213dc744d757f931477a3b

  • SSDEEP

    6144:EyH7xOc6H5c6HcT66vlml/SI01Jq3ggxDDwCkTTgPdFnYOR/gBbf5k7Yqd0rqxBA:EagCkD3bgBbRk7YYzErSI5

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1188
      • C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe
        "C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\svchost.exe
          "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1236
          • C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe
            "C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe"
            4⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Executes dropped EXE
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1284
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1104
        • C:\Windows\svchost.exe
          C:\Windows\svchost.exe
          1⤵
          • Executes dropped EXE
          PID:1312

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe

          Filesize

          328KB

          MD5

          f82b25a6b47998d41c01b2c64a0a23b5

          SHA1

          768de94586036b697132ed8cc4d9259d65a55aed

          SHA256

          7b6273496be769c03c3d9201f289c51ad815ef95a70e1b1f6ff583fdbb40faf5

          SHA512

          c1e2a14203279232fad8a7414aab7b1e83262ad4c875271f6c9aedaadcfdeee36b57d52f280ddaabb9d09b7ddb0cf2b262aa49870ac63574468f118ff729218b

        • C:\Windows\svchost.exe

          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • C:\Windows\svchost.exe

          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • C:\Windows\svchost.exe

          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • \Users\Admin\AppData\Local\Temp\7c620f942fa9513eb0d2dcff718be048.exe

          Filesize

          328KB

          MD5

          f82b25a6b47998d41c01b2c64a0a23b5

          SHA1

          768de94586036b697132ed8cc4d9259d65a55aed

          SHA256

          7b6273496be769c03c3d9201f289c51ad815ef95a70e1b1f6ff583fdbb40faf5

          SHA512

          c1e2a14203279232fad8a7414aab7b1e83262ad4c875271f6c9aedaadcfdeee36b57d52f280ddaabb9d09b7ddb0cf2b262aa49870ac63574468f118ff729218b

        • memory/1236-54-0x0000000000000000-mapping.dmp

        • memory/1284-60-0x0000000074F41000-0x0000000074F43000-memory.dmp

          Filesize

          8KB

        • memory/1284-61-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

          Filesize

          16.7MB

        • memory/1284-58-0x0000000000000000-mapping.dmp

        • memory/1284-63-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/1284-64-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

          Filesize

          16.7MB

        • memory/1284-65-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/1284-66-0x0000000001EA0000-0x0000000002F5A000-memory.dmp

          Filesize

          16.7MB