Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2023 08:44

General

  • Target

    5f4dc5df932800exeexeexeex.exe

  • Size

    59KB

  • MD5

    5f4dc5df932800250018b51dd7797dc4

  • SHA1

    a4efc84fe6e14020a797cb0da1483a21d2d23589

  • SHA256

    fc61eba31f2b2f496cfe38f823b7a7df21f80f0f147916d5ef017ad061162549

  • SHA512

    3e51a2a2ecc1715fe09d5f6e497e7ce8628f37dd771427f506f28938364437bd57d3be425dc7697f683cf1ee580056e2d52b940ef96b582568a8567db23ae356

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1cKtecO:vCjsIOtEvwDpj5Hv0l

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f4dc5df932800exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\5f4dc5df932800exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    16935894f61b89624781f6c7f1bb8163

    SHA1

    9caffef19fd4da651358cde533c6ae4b34fa6d0f

    SHA256

    c5d66e2a40556a0fd7b4c06d20f6c8eaa36496c69c8b6f58480655f688a7d197

    SHA512

    b5faaa560b3921c375c4ccf7f652a995190d7e01e5e8159ccd2ed25caaaf083bf921a4929a8a74e4bee330494974513720f3307397508d971d50f0d61daf8717

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

    Filesize

    60KB

    MD5

    16935894f61b89624781f6c7f1bb8163

    SHA1

    9caffef19fd4da651358cde533c6ae4b34fa6d0f

    SHA256

    c5d66e2a40556a0fd7b4c06d20f6c8eaa36496c69c8b6f58480655f688a7d197

    SHA512

    b5faaa560b3921c375c4ccf7f652a995190d7e01e5e8159ccd2ed25caaaf083bf921a4929a8a74e4bee330494974513720f3307397508d971d50f0d61daf8717

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

    Filesize

    60KB

    MD5

    16935894f61b89624781f6c7f1bb8163

    SHA1

    9caffef19fd4da651358cde533c6ae4b34fa6d0f

    SHA256

    c5d66e2a40556a0fd7b4c06d20f6c8eaa36496c69c8b6f58480655f688a7d197

    SHA512

    b5faaa560b3921c375c4ccf7f652a995190d7e01e5e8159ccd2ed25caaaf083bf921a4929a8a74e4bee330494974513720f3307397508d971d50f0d61daf8717

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2748-149-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4304-133-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4304-134-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB