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Analysis

  • max time kernel
    76s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2023, 15:51

General

  • Target

    NA_NA_112f80a041c149exeexe_JC.exe

  • Size

    43KB

  • MD5

    112f80a041c14965cca19ed9401649c9

  • SHA1

    737529739f2356b34ae9e24def15464a6458e9e5

  • SHA256

    6dc01a11429f788746cd0fcfc161f0ad02386248a939c48cc09e1304f4a7d918

  • SHA512

    dc94fc2ff3aaf2272400074a95e8344e82430becf05aadcedd8821b8d2817886451e02a89aeef0093e41c2f7852a14684175b1d9c345a3044095fc67dc530469

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrjnLJQ+Z:vj+jsMQMOtEvwDpj5HczerveO

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\NA_NA_112f80a041c149exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_112f80a041c149exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:656
    • 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:4352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    a9f639c63182d7570e40874396d20a7c

    SHA1

    85dffe7f21982c57357477548168b1c3e9b2b9f2

    SHA256

    580579f783962e5cf12d93668ef03491d7f6171d510473bfce80d1e360c5ed5e

    SHA512

    93fe82837add143426d95067f73dc842e173b8934ca0122f5e56b7ea57b12011838af291d12b32ea07601ba9df82696ea14a49ddee891f6f6e2dcdef17d413b5

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

    Filesize

    43KB

    MD5

    a9f639c63182d7570e40874396d20a7c

    SHA1

    85dffe7f21982c57357477548168b1c3e9b2b9f2

    SHA256

    580579f783962e5cf12d93668ef03491d7f6171d510473bfce80d1e360c5ed5e

    SHA512

    93fe82837add143426d95067f73dc842e173b8934ca0122f5e56b7ea57b12011838af291d12b32ea07601ba9df82696ea14a49ddee891f6f6e2dcdef17d413b5

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

    Filesize

    43KB

    MD5

    a9f639c63182d7570e40874396d20a7c

    SHA1

    85dffe7f21982c57357477548168b1c3e9b2b9f2

    SHA256

    580579f783962e5cf12d93668ef03491d7f6171d510473bfce80d1e360c5ed5e

    SHA512

    93fe82837add143426d95067f73dc842e173b8934ca0122f5e56b7ea57b12011838af291d12b32ea07601ba9df82696ea14a49ddee891f6f6e2dcdef17d413b5

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/656-133-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/656-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/656-135-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4352-150-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/4352-151-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB