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
    08/07/2023, 18:24

General

  • Target

    9a3132ba3e26c7exeexeexeex.exe

  • Size

    67KB

  • MD5

    9a3132ba3e26c7f5f23214e0c765e5b8

  • SHA1

    ba3a02e3bef13e5799b07ea3372f81a95784e2d1

  • SHA256

    d18543d6a40dfc97903576fb464e9c454c584c072d4957cc6ebb6f9d12bb5d3b

  • SHA512

    73133c62b30ac82bd1f92eb42709a031afde7ae73c16c10b0d360b79fdb22c3b7861b76c438c06d40aa556d29d324ecfb4df8809014a181d25ea70d29fac5857

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36n9F+Uk+gT:ZVxkGOtEvwDpjcaAPM

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\9a3132ba3e26c7exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\9a3132ba3e26c7exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4344
    • 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:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    bf72f6622bbefd3d6aaf6ac3063b4a71

    SHA1

    c75824f53a7cdaabe013262f18064577ad7d814c

    SHA256

    e90bc6b9e27d649e662d94a6a564b86ec78952762f765d59282487822f7cb313

    SHA512

    c4151c41154deea10564e1816a67cd79067766b846d0e36f2b6249a677c8b4573aea08530b05eb5ebfdb4166aff37244805805fb5614af1467a51a3e52738cca

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

    Filesize

    67KB

    MD5

    bf72f6622bbefd3d6aaf6ac3063b4a71

    SHA1

    c75824f53a7cdaabe013262f18064577ad7d814c

    SHA256

    e90bc6b9e27d649e662d94a6a564b86ec78952762f765d59282487822f7cb313

    SHA512

    c4151c41154deea10564e1816a67cd79067766b846d0e36f2b6249a677c8b4573aea08530b05eb5ebfdb4166aff37244805805fb5614af1467a51a3e52738cca

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

    Filesize

    67KB

    MD5

    bf72f6622bbefd3d6aaf6ac3063b4a71

    SHA1

    c75824f53a7cdaabe013262f18064577ad7d814c

    SHA256

    e90bc6b9e27d649e662d94a6a564b86ec78952762f765d59282487822f7cb313

    SHA512

    c4151c41154deea10564e1816a67cd79067766b846d0e36f2b6249a677c8b4573aea08530b05eb5ebfdb4166aff37244805805fb5614af1467a51a3e52738cca

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1976-150-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1976-156-0x0000000000440000-0x0000000000480000-memory.dmp

    Filesize

    256KB

  • memory/4344-133-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4344-134-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4344-145-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB