Analysis

  • max time kernel
    140s
  • max time network
    147s
  • 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 18:36

General

  • Target

    NA_NA_24cb4d574a24e2exeexe_JC.exe

  • Size

    51KB

  • MD5

    24cb4d574a24e217a8553b6c1f16be0c

  • SHA1

    8f4749f7ab5217d27d002932d7a966247316f81c

  • SHA256

    ac7cb9772deb5daefaf2efe09988e696b8696e67e0ae0e8d19f2e829f06fb0b5

  • SHA512

    39dd71b2b379abf9709c40994701f7cb9d16fc45fec2eb0817a1f57edf7b4600655cfcc07f6ae4884aacc56b2fed4867f1e97e43a373501b279ef88f11e0dd14

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0kk26:zj+soPSMOtEvwDpj4yZ

Score
7/10
upx

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
  • UPX packed file 6 IoCs

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

  • 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_24cb4d574a24e2exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_24cb4d574a24e2exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1532
    • 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:4980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    4047f8732b316b856df679854732b973

    SHA1

    4decfbbb4219294abaee1a427c5f15148d13908f

    SHA256

    6b8ef5f79c57eb8db4b5b3d0a9f97765dcaec0a0933b859b4bcc28d11c0ef0e3

    SHA512

    fd4dde61bc50c9b490c332d49d5d9827729d285b8c2819388f2f0ada13c4dd58599f38617711b66bb990955d83c6edbc20ace69813b2ee363587589821976815

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

    Filesize

    51KB

    MD5

    4047f8732b316b856df679854732b973

    SHA1

    4decfbbb4219294abaee1a427c5f15148d13908f

    SHA256

    6b8ef5f79c57eb8db4b5b3d0a9f97765dcaec0a0933b859b4bcc28d11c0ef0e3

    SHA512

    fd4dde61bc50c9b490c332d49d5d9827729d285b8c2819388f2f0ada13c4dd58599f38617711b66bb990955d83c6edbc20ace69813b2ee363587589821976815

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

    Filesize

    51KB

    MD5

    4047f8732b316b856df679854732b973

    SHA1

    4decfbbb4219294abaee1a427c5f15148d13908f

    SHA256

    6b8ef5f79c57eb8db4b5b3d0a9f97765dcaec0a0933b859b4bcc28d11c0ef0e3

    SHA512

    fd4dde61bc50c9b490c332d49d5d9827729d285b8c2819388f2f0ada13c4dd58599f38617711b66bb990955d83c6edbc20ace69813b2ee363587589821976815

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1532-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1532-134-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/1532-135-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/1532-136-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/1532-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4980-152-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4980-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4980-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB