Analysis

  • max time kernel
    142s
  • 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
    17/07/2023, 16:45

General

  • Target

    9856e0ff8623ce_JC.exe

  • Size

    56KB

  • MD5

    9856e0ff8623ce4e65e093c4306ed09b

  • SHA1

    d046bfd50eb5dcf12858f7a99d8b7a200225c140

  • SHA256

    eda17074819f9ef9a16b6dce998a975b4e0bb89c6216c2ddf280163d60aa7d3a

  • SHA512

    4d9ced5176adcac28da67c3d74e41bd7a17e8f491e3d1360d6a58fe364e32d8793a6fa695ef7bd598c914b038b7ec8faa50b2c716e67073722b0b9d7ca1a7e8c

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52Ft:6j+1NMOtEvwDpjr8ox8U3

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\9856e0ff8623ce_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9856e0ff8623ce_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4460
    • 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:4840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    5f049ebaf1f36b58d4b0aed21b27b639

    SHA1

    149cafd8543f4784df3c91da972a4c1315dc2851

    SHA256

    0279bdcec5bb90b2c344df1556d3ad796038d50363a5dee0606cc2a0911ea39f

    SHA512

    a163fc997871684bc07484a48ecc49c70fd6ccb3653df3bbbc3d054d3995f118a78e8b3947d520d2a6a06f6d19c611226e9f59f11c0f6abcaf2c0837004225ae

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

    Filesize

    56KB

    MD5

    5f049ebaf1f36b58d4b0aed21b27b639

    SHA1

    149cafd8543f4784df3c91da972a4c1315dc2851

    SHA256

    0279bdcec5bb90b2c344df1556d3ad796038d50363a5dee0606cc2a0911ea39f

    SHA512

    a163fc997871684bc07484a48ecc49c70fd6ccb3653df3bbbc3d054d3995f118a78e8b3947d520d2a6a06f6d19c611226e9f59f11c0f6abcaf2c0837004225ae

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

    Filesize

    56KB

    MD5

    5f049ebaf1f36b58d4b0aed21b27b639

    SHA1

    149cafd8543f4784df3c91da972a4c1315dc2851

    SHA256

    0279bdcec5bb90b2c344df1556d3ad796038d50363a5dee0606cc2a0911ea39f

    SHA512

    a163fc997871684bc07484a48ecc49c70fd6ccb3653df3bbbc3d054d3995f118a78e8b3947d520d2a6a06f6d19c611226e9f59f11c0f6abcaf2c0837004225ae

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4460-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4460-134-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4460-135-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4460-136-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/4460-150-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4840-152-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4840-153-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4840-181-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB