Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2023, 09:21

General

  • Target

    5e66acb490462f_JC.exe

  • Size

    89KB

  • MD5

    5e66acb490462f05ea23c4b9e59a8111

  • SHA1

    ac2852053569aa71f5227516ff32dcecdde0eb5b

  • SHA256

    7bc94d9f97afd88a00eb0d6a6168c9fc311e3c4fc2183c714221215331b40cde

  • SHA512

    7d71a42ea62344bd87df3f12460df7622536291f3e61f31cf09f294c8dd30869dfc28e1091ae1f6c80acb091d68254b68d577086097df65f6e6b2baa833c47bd

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9yZt+:zCsanOtEvwDpjT+

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\5e66acb490462f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\5e66acb490462f_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4104
    • 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:1664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    89KB

    MD5

    57764730ce657a4a2e8b1e75cbe1c128

    SHA1

    196d2402e70ba6fe681d538c474bf6bca6ff4bd8

    SHA256

    e65e07a779b126403efff526b0afc343e4e384ba3e1ae4779519d3f79a052565

    SHA512

    e8f02bad558460dee94d6f483a5102ed1ef914855078874f45af2d347024bf023b0b71a4ea303f2326ff35d06e4e1f25fe7c33a878ff204ec3b83ae9dbd43a3b

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

    Filesize

    89KB

    MD5

    57764730ce657a4a2e8b1e75cbe1c128

    SHA1

    196d2402e70ba6fe681d538c474bf6bca6ff4bd8

    SHA256

    e65e07a779b126403efff526b0afc343e4e384ba3e1ae4779519d3f79a052565

    SHA512

    e8f02bad558460dee94d6f483a5102ed1ef914855078874f45af2d347024bf023b0b71a4ea303f2326ff35d06e4e1f25fe7c33a878ff204ec3b83ae9dbd43a3b

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

    Filesize

    89KB

    MD5

    57764730ce657a4a2e8b1e75cbe1c128

    SHA1

    196d2402e70ba6fe681d538c474bf6bca6ff4bd8

    SHA256

    e65e07a779b126403efff526b0afc343e4e384ba3e1ae4779519d3f79a052565

    SHA512

    e8f02bad558460dee94d6f483a5102ed1ef914855078874f45af2d347024bf023b0b71a4ea303f2326ff35d06e4e1f25fe7c33a878ff204ec3b83ae9dbd43a3b

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1664-151-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/1664-181-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/1664-182-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4104-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4104-135-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/4104-134-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/4104-136-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/4104-153-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB