Analysis

  • max time kernel
    191s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:57

General

  • Target

    9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312.exe

  • Size

    655KB

  • MD5

    4471ac608bf4693624e82fac32cb2449

  • SHA1

    906817e2420b302e25c9b24869b4ea7d13eb1cc6

  • SHA256

    9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312

  • SHA512

    cd8097e9f24c00db074dd83acc8886e1b6f6b3433cf86ba8f5362c9136c8e290eddaf89245c11bee44bf80d2408577bc98bf7fc7ffd791a09722d77fe46daa86

  • SSDEEP

    12288:/ESqJwbBEE+tOirc2xwlqXs4zUmvycM6xgNyJ6DsZuhEP60dIIFazZyun23:/EdYj+jrc21lz/VnxgAJxuOCciZzE

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 32 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312.exe
    "C:\Users\Admin\AppData\Local\Temp\9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312.exe
      9dc02bd458b0fe797028aac7b43c228a94c3cb679a3d102ecff29e8b09555312.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Users\Admin\R07924.exe
        C:\Users\Admin\R07924.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Users\Admin\kpzeow.exe
          "C:\Users\Admin\kpzeow.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:3156
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del R07924.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3596
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4164
      • C:\Users\Admin\aehost.exe
        C:\Users\Admin\aehost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4608
        • C:\Users\Admin\aehost.exe
          aehost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3048
      • C:\Users\Admin\behost.exe
        C:\Users\Admin\behost.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1368
      • C:\Users\Admin\cehost.exe
        C:\Users\Admin\cehost.exe
        3⤵
        • Executes dropped EXE
        PID:4072
        • C:\Windows\explorer.exe
          00000204*
          4⤵
            PID:4588
        • C:\Users\Admin\dehost.exe
          C:\Users\Admin\dehost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:5108
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1160

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\R07924.exe

      Filesize

      188KB

      MD5

      4f9c5823c5d1255ded151b01c0a58e15

      SHA1

      2f7018a9211472ddfa5d2f09629bf90adce4676c

      SHA256

      e38564871dc5952e2d1d22d51e312e3064cf84df95c0420021153cb5c264adcf

      SHA512

      b5518effbf476d9486a5ddaa65c937e97b10470d533f8e0c9af30956868c032f6bdb524d13a004e4a0d19e9a88b5f3f11ee82e5602b1175092fb36a9959d40ca

    • C:\Users\Admin\R07924.exe

      Filesize

      188KB

      MD5

      4f9c5823c5d1255ded151b01c0a58e15

      SHA1

      2f7018a9211472ddfa5d2f09629bf90adce4676c

      SHA256

      e38564871dc5952e2d1d22d51e312e3064cf84df95c0420021153cb5c264adcf

      SHA512

      b5518effbf476d9486a5ddaa65c937e97b10470d533f8e0c9af30956868c032f6bdb524d13a004e4a0d19e9a88b5f3f11ee82e5602b1175092fb36a9959d40ca

    • C:\Users\Admin\aehost.exe

      Filesize

      129KB

      MD5

      e2b1704acdf48221cd9be91bae3546c5

      SHA1

      f53a59b62276f58cf8689768f747e16f53dbd341

      SHA256

      8b1c13bb2e95f71ed75d8fca7aeefc556ecd377d5d4f6c544d77ac8f74255ca5

      SHA512

      1b3d8baa981851a79c4f12f3ea2a4d197b3439e76ca723acd578acabd731310d6eeb3a4567a10d48f45192ae9c4cd732eca04c0a7fffa636e7bd364ed1357b53

    • C:\Users\Admin\aehost.exe

      Filesize

      129KB

      MD5

      e2b1704acdf48221cd9be91bae3546c5

      SHA1

      f53a59b62276f58cf8689768f747e16f53dbd341

      SHA256

      8b1c13bb2e95f71ed75d8fca7aeefc556ecd377d5d4f6c544d77ac8f74255ca5

      SHA512

      1b3d8baa981851a79c4f12f3ea2a4d197b3439e76ca723acd578acabd731310d6eeb3a4567a10d48f45192ae9c4cd732eca04c0a7fffa636e7bd364ed1357b53

    • C:\Users\Admin\aehost.exe

      Filesize

      129KB

      MD5

      e2b1704acdf48221cd9be91bae3546c5

      SHA1

      f53a59b62276f58cf8689768f747e16f53dbd341

      SHA256

      8b1c13bb2e95f71ed75d8fca7aeefc556ecd377d5d4f6c544d77ac8f74255ca5

      SHA512

      1b3d8baa981851a79c4f12f3ea2a4d197b3439e76ca723acd578acabd731310d6eeb3a4567a10d48f45192ae9c4cd732eca04c0a7fffa636e7bd364ed1357b53

    • C:\Users\Admin\behost.exe

      Filesize

      279KB

      MD5

      2a583120a51178ee5f8bc2727faaa73e

      SHA1

      91296d42eeddb285aeea28f5139cadda10f21df7

      SHA256

      b315e97fff3561563da4dcf7283636f42eef9ebaf422506e01f03716d4877b02

      SHA512

      003e11b916256091486311881a06286d532a9940d75977a44afa3c116277a0f490505e9b4053f56846fb6d1d7584d7748f622bc9cae088af93820452027dac8b

    • C:\Users\Admin\behost.exe

      Filesize

      279KB

      MD5

      2a583120a51178ee5f8bc2727faaa73e

      SHA1

      91296d42eeddb285aeea28f5139cadda10f21df7

      SHA256

      b315e97fff3561563da4dcf7283636f42eef9ebaf422506e01f03716d4877b02

      SHA512

      003e11b916256091486311881a06286d532a9940d75977a44afa3c116277a0f490505e9b4053f56846fb6d1d7584d7748f622bc9cae088af93820452027dac8b

    • C:\Users\Admin\cehost.exe

      Filesize

      145KB

      MD5

      56be9270582de0986c72139ea218e121

      SHA1

      d33b8a2127ccf6b6f42a0c0f266136a376def18c

      SHA256

      8b40a882fde5ef3df2ec3112142b654c949adf7f559bc1912ad9d08ebb17c257

      SHA512

      dcee7d3d16e19e5a36a386d097c171ed7761ad4fc626b5d523b9c33f952fa24da733c56fcb8ff440894c3672c468d04cecc001ae9a680a9607347a5f517e6023

    • C:\Users\Admin\dehost.exe

      Filesize

      24KB

      MD5

      7cda5863b933988b7bd1d0c8035dafd9

      SHA1

      68c64d655d0df1c9974587d12b3b88f5ce1f4cac

      SHA256

      400cb530f1489c46ada1dedc35b51cb53e8174f5cdda0d086ef593c135e0f216

      SHA512

      978440c09b70b695fdc171c6e2a7c064aa078d4a300db7f297afde5e3c1cfdf513da01dae967a9a8c524c185432ef87bf922a5cc97a9c8a6d1fd9cc3155e0aea

    • C:\Users\Admin\dehost.exe

      Filesize

      24KB

      MD5

      7cda5863b933988b7bd1d0c8035dafd9

      SHA1

      68c64d655d0df1c9974587d12b3b88f5ce1f4cac

      SHA256

      400cb530f1489c46ada1dedc35b51cb53e8174f5cdda0d086ef593c135e0f216

      SHA512

      978440c09b70b695fdc171c6e2a7c064aa078d4a300db7f297afde5e3c1cfdf513da01dae967a9a8c524c185432ef87bf922a5cc97a9c8a6d1fd9cc3155e0aea

    • C:\Users\Admin\kpzeow.exe

      Filesize

      188KB

      MD5

      470114cbc2a477390370f4541940bafe

      SHA1

      0a7afd4869a3ad524e88a21cc2d4730088d59104

      SHA256

      45913a247e6dc0733d6699b4c8babbbb836aca719f31b815e585549fe6db5efa

      SHA512

      55087468f196b9c20a65f24c7ecfd4ec8b245236118f39ac849dfdfb93f4fd84438e65570d4d224720efabc6e2e7f24378ddbb31fb3a994003793b4af540389b

    • C:\Users\Admin\kpzeow.exe

      Filesize

      188KB

      MD5

      470114cbc2a477390370f4541940bafe

      SHA1

      0a7afd4869a3ad524e88a21cc2d4730088d59104

      SHA256

      45913a247e6dc0733d6699b4c8babbbb836aca719f31b815e585549fe6db5efa

      SHA512

      55087468f196b9c20a65f24c7ecfd4ec8b245236118f39ac849dfdfb93f4fd84438e65570d4d224720efabc6e2e7f24378ddbb31fb3a994003793b4af540389b

    • memory/1368-169-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/1368-166-0x0000000000000000-mapping.dmp

    • memory/1368-174-0x000000000084B000-0x0000000000892000-memory.dmp

      Filesize

      284KB

    • memory/1368-170-0x000000000084B000-0x0000000000892000-memory.dmp

      Filesize

      284KB

    • memory/1780-141-0x0000000000000000-mapping.dmp

    • memory/3048-158-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3048-152-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3048-151-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3048-153-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3048-150-0x0000000000000000-mapping.dmp

    • memory/3048-154-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3048-155-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3156-159-0x0000000000000000-mapping.dmp

    • memory/3572-134-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/3572-133-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/3572-132-0x0000000000000000-mapping.dmp

    • memory/3572-137-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/3572-138-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/3572-146-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/3596-164-0x0000000000000000-mapping.dmp

    • memory/4072-171-0x0000000000000000-mapping.dmp

    • memory/4072-173-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4072-175-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4164-165-0x0000000000000000-mapping.dmp

    • memory/4608-147-0x0000000000000000-mapping.dmp

    • memory/5108-176-0x0000000000000000-mapping.dmp