Analysis

  • max time kernel
    145s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:50

General

  • Target

    e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355.exe

  • Size

    836KB

  • MD5

    78f974ca1e717242b716a3ceb5f6e5fe

  • SHA1

    912d9dc93e92fe1ddaa58975493c64788d259626

  • SHA256

    e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355

  • SHA512

    b1fe6c0cc4d127026ecf036bb886fa75fb042fd8f0eeacb45457371ed0d511758b2c8cee90c4579d1a27077016ac337fa4666f016801f60dd781376edaf2e1ca

  • SSDEEP

    12288:8Kv6gQu2QGvXv3OANwzS+8TZpt5xpu2VrsAz3o3XHthgbQn:rCgQBv/POAPTZ42VY44nthgb

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355.exe
    "C:\Users\Admin\AppData\Local\Temp\e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
          4⤵
            PID:2004
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        2⤵
        • Executes dropped EXE
        PID:1744
      • C:\Users\Admin\AppData\Local\Temp\notepad .exe
        "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
        2⤵
        • Executes dropped EXE
        PID:1316

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\.Identifier

      Filesize

      64B

      MD5

      cceb5005a2edfd2a8529bdda6e423b0e

      SHA1

      df8d57dd4c7a00275ddf70086ef32402c7c0c216

      SHA256

      8162438f0d6581b4bcb4e44a70acb2309824d654f87de0f3abf62607050655b7

      SHA512

      56b4eb2845f41e970d55612f8add5213582fd3f7229cab20262d897fda31c85f3f6af5a451c44a8be1ca564470238820b227cdcc79750d69d161490accc2b395

    • C:\Users\Admin\AppData\Local\Temp\file.exe

      Filesize

      836KB

      MD5

      78f974ca1e717242b716a3ceb5f6e5fe

      SHA1

      912d9dc93e92fe1ddaa58975493c64788d259626

      SHA256

      e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355

      SHA512

      b1fe6c0cc4d127026ecf036bb886fa75fb042fd8f0eeacb45457371ed0d511758b2c8cee90c4579d1a27077016ac337fa4666f016801f60dd781376edaf2e1ca

    • C:\Users\Admin\AppData\Local\Temp\invs.vbs

      Filesize

      78B

      MD5

      c578d9653b22800c3eb6b6a51219bbb8

      SHA1

      a97aa251901bbe179a48dbc7a0c1872e163b1f2d

      SHA256

      20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

      SHA512

      3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

    • C:\Users\Admin\AppData\Local\Temp\mata.bat

      Filesize

      47B

      MD5

      58c538a6ae20a3c6031217903cdf8e5d

      SHA1

      399fd50eadf4945b665877facfc4f53d16e18b1e

      SHA256

      6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

      SHA512

      c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

    • C:\Users\Admin\AppData\Local\Temp\mata2.bat

      Filesize

      47B

      MD5

      095b2908ae8b2e0e3704c0163f26e283

      SHA1

      3429b6c1421d448c98c1da9625badcea2484a521

      SHA256

      22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

      SHA512

      e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

    • C:\Users\Admin\AppData\Local\Temp\notepad .exe

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

      Filesize

      836KB

      MD5

      78f974ca1e717242b716a3ceb5f6e5fe

      SHA1

      912d9dc93e92fe1ddaa58975493c64788d259626

      SHA256

      e5a2e7266112ec46dd928117795a29b98f0614be86d0b44f6cc5a806954e7355

      SHA512

      b1fe6c0cc4d127026ecf036bb886fa75fb042fd8f0eeacb45457371ed0d511758b2c8cee90c4579d1a27077016ac337fa4666f016801f60dd781376edaf2e1ca

    • C:\Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      68KB

      MD5

      d4879fb623ae695fbb0db7917e36778a

      SHA1

      98aac1553a2362a112df26fec7239d7c4656655d

      SHA256

      0fca46b7d77046cb9bf84271f8ea678f8f950bc7ebc81ac7e2c5afd3e96f41c3

      SHA512

      4f129dc31548a05889e2e124f9885a59895c56b8ccef5ad9ad28084f690b657efaa667504cb0e4495fac83a13c76f836404e6178be4e539737013b5b71a79e78

    • \Users\Admin\AppData\Local\Temp\notepad .exe

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • \Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      68KB

      MD5

      d4879fb623ae695fbb0db7917e36778a

      SHA1

      98aac1553a2362a112df26fec7239d7c4656655d

      SHA256

      0fca46b7d77046cb9bf84271f8ea678f8f950bc7ebc81ac7e2c5afd3e96f41c3

      SHA512

      4f129dc31548a05889e2e124f9885a59895c56b8ccef5ad9ad28084f690b657efaa667504cb0e4495fac83a13c76f836404e6178be4e539737013b5b71a79e78

    • \Users\Admin\AppData\Local\Temp\tmp.exe

      Filesize

      68KB

      MD5

      d4879fb623ae695fbb0db7917e36778a

      SHA1

      98aac1553a2362a112df26fec7239d7c4656655d

      SHA256

      0fca46b7d77046cb9bf84271f8ea678f8f950bc7ebc81ac7e2c5afd3e96f41c3

      SHA512

      4f129dc31548a05889e2e124f9885a59895c56b8ccef5ad9ad28084f690b657efaa667504cb0e4495fac83a13c76f836404e6178be4e539737013b5b71a79e78

    • memory/1316-78-0x0000000000401F8F-mapping.dmp

    • memory/1316-76-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1316-84-0x0000000000401000-0x0000000000410000-memory.dmp

      Filesize

      60KB

    • memory/1316-71-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1316-73-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1316-69-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1316-75-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1316-82-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/1392-77-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1392-54-0x0000000075601000-0x0000000075603000-memory.dmp

      Filesize

      8KB

    • memory/1392-55-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1392-86-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1600-56-0x0000000000000000-mapping.dmp

    • memory/1744-63-0x0000000000000000-mapping.dmp

    • memory/1996-58-0x0000000000000000-mapping.dmp

    • memory/2004-65-0x0000000000000000-mapping.dmp