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Resubmissions

17/02/2024, 20:29

240217-y9yzpabb28 10

17/02/2024, 20:20

240217-y4ry7aba54 7

Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    17/02/2024, 20:20

General

  • Target

    $R0/Uninstall Launcher.exe

  • Size

    135KB

  • MD5

    ef8b4d2dbd39bf752672c17b089428bc

  • SHA1

    2c226c30be53ba73118fee6265fe1b5332005977

  • SHA256

    3d28cb5bc3836aaff61ac1ef7e9bf46acd78b84b715350709a8fbf4ece14f0d5

  • SHA512

    31db5b2fc91cd2e9da863d75d7d69850b00b9383899a777f77ca22f3e95107e7a9885650f1a83f4fb272893f1a9f262ba4a9cf88fabde0712cff3aee74b48cd8

  • SSDEEP

    3072:on77v00hEoDEtauAceA29i9qzFaH2tvhOEA1RJCir86SrSrv6Ia3l:o740Iwm29ds2t0EyL+yaV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Launcher.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Launcher.exe" | %SYSTEMROOT%\System32\find.exe "Launcher.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Launcher.exe"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2856
        • C:\Windows\SysWOW64\find.exe
          C:\Windows\System32\find.exe "Launcher.exe"
          4⤵
            PID:2796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\nsjAC38.tmp\StdUtils.dll

      Filesize

      100KB

      MD5

      c6a6e03f77c313b267498515488c5740

      SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

      SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

      SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • \Users\Admin\AppData\Local\Temp\nsjAC38.tmp\System.dll

      Filesize

      12KB

      MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

      SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

      SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

      SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • \Users\Admin\AppData\Local\Temp\nsjAC38.tmp\WinShell.dll

      Filesize

      3KB

      MD5

      1cc7c37b7e0c8cd8bf04b6cc283e1e56

      SHA1

      0b9519763be6625bd5abce175dcc59c96d100d4c

      SHA256

      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

      SHA512

      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

    • \Users\Admin\AppData\Local\Temp\nsjAC38.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      ec0504e6b8a11d5aad43b296beeb84b2

      SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

      SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

      SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

      Filesize

      135KB

      MD5

      ef8b4d2dbd39bf752672c17b089428bc

      SHA1

      2c226c30be53ba73118fee6265fe1b5332005977

      SHA256

      3d28cb5bc3836aaff61ac1ef7e9bf46acd78b84b715350709a8fbf4ece14f0d5

      SHA512

      31db5b2fc91cd2e9da863d75d7d69850b00b9383899a777f77ca22f3e95107e7a9885650f1a83f4fb272893f1a9f262ba4a9cf88fabde0712cff3aee74b48cd8