Analysis

  • max time kernel
    166s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 20:37

General

  • Target

    NEAS.bcbacb8663525ac80e6275d3b8984380.exe

  • Size

    54KB

  • MD5

    bcbacb8663525ac80e6275d3b8984380

  • SHA1

    d45729947bef4709d48a296956622c39eefb0433

  • SHA256

    67af310da2c418ec9ac1332db8605e524fab175b8be96842e7a5aeeac630c5fe

  • SHA512

    639e715fcfb4855be6abc062b73c46546a557c46b5503fc2587947119378092f0e559c7f335e3fa39f6086b8f8ef1104202022fb9b551f3e3b066594d3ab872f

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcphMze:zj+soPSMOtEvwDpj4ytMy

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.bcbacb8663525ac80e6275d3b8984380.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.bcbacb8663525ac80e6275d3b8984380.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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:1844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    7163357fd31053f2c8e6dd96739fcac6

    SHA1

    14a7b5ced006de307a93e3cbbd3766219d1d1c79

    SHA256

    21262a2516e9376140a6d48519dd55140f04133e2b95abeaa413a1763dea61de

    SHA512

    f03ac6b0d2951fd34e88a772162615dce5cc07a1adc33a7a48a8764471686fac156dc335d290269bb34e5325911b8ea835334cc44961b4d9543ff634807289a3

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

    Filesize

    54KB

    MD5

    7163357fd31053f2c8e6dd96739fcac6

    SHA1

    14a7b5ced006de307a93e3cbbd3766219d1d1c79

    SHA256

    21262a2516e9376140a6d48519dd55140f04133e2b95abeaa413a1763dea61de

    SHA512

    f03ac6b0d2951fd34e88a772162615dce5cc07a1adc33a7a48a8764471686fac156dc335d290269bb34e5325911b8ea835334cc44961b4d9543ff634807289a3

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

    Filesize

    54KB

    MD5

    7163357fd31053f2c8e6dd96739fcac6

    SHA1

    14a7b5ced006de307a93e3cbbd3766219d1d1c79

    SHA256

    21262a2516e9376140a6d48519dd55140f04133e2b95abeaa413a1763dea61de

    SHA512

    f03ac6b0d2951fd34e88a772162615dce5cc07a1adc33a7a48a8764471686fac156dc335d290269bb34e5325911b8ea835334cc44961b4d9543ff634807289a3

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1844-19-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/1844-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1844-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2888-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2888-1-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/2888-2-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/2888-3-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB

  • memory/2888-13-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB