Analysis

  • max time kernel
    143s
  • max time network
    148s
  • 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 18:03

General

  • Target

    NA_NA_205104b1839d39exeexe_JC.exe

  • Size

    93KB

  • MD5

    205104b1839d392dad40adb081e3ca27

  • SHA1

    d7ef4e57b784127e56a5127825a53cdd9b954fba

  • SHA256

    fca51c9131b9e6470825cabc9f0eb995c62a4ada1a902a9cc68d99948b461d1a

  • SHA512

    cebe76cad9618ef2733326ccf93475cd86a310d4218ab92dcbd3289fafd4fa0dbaa6fb769ca73307e935a012accf16da6083c5c54491f348e6d747d86d10c99a

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/Rs580giz6SJ0U/6Yt:ZVxkGOtEvwDpjc+

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_205104b1839d39exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_205104b1839d39exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3288
    • 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:4044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    93KB

    MD5

    2ee0e23bac3774cd4f55d990eee3dc4c

    SHA1

    85c9f7750f8dde6386da6421f696922a62984fdf

    SHA256

    b472ca33e7e1b17e6759c9447acb76ec9a55025346985466948286b81214527a

    SHA512

    bd0ad63020fc7f2c641b5afa1f69e55fb3beb37a0b0dd3eb1e6a5e79696ed9c6fa4002945b5db4ecedd089893f92ea42ea77b34c82f31c0fa21ad71a86decf2a

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

    Filesize

    93KB

    MD5

    2ee0e23bac3774cd4f55d990eee3dc4c

    SHA1

    85c9f7750f8dde6386da6421f696922a62984fdf

    SHA256

    b472ca33e7e1b17e6759c9447acb76ec9a55025346985466948286b81214527a

    SHA512

    bd0ad63020fc7f2c641b5afa1f69e55fb3beb37a0b0dd3eb1e6a5e79696ed9c6fa4002945b5db4ecedd089893f92ea42ea77b34c82f31c0fa21ad71a86decf2a

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

    Filesize

    93KB

    MD5

    2ee0e23bac3774cd4f55d990eee3dc4c

    SHA1

    85c9f7750f8dde6386da6421f696922a62984fdf

    SHA256

    b472ca33e7e1b17e6759c9447acb76ec9a55025346985466948286b81214527a

    SHA512

    bd0ad63020fc7f2c641b5afa1f69e55fb3beb37a0b0dd3eb1e6a5e79696ed9c6fa4002945b5db4ecedd089893f92ea42ea77b34c82f31c0fa21ad71a86decf2a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3288-133-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3288-134-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/3288-135-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/3288-136-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/4044-150-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4044-152-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/4044-153-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4044-181-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB