Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2023 09:26

General

  • Target

    a9fb329dd493dcexeexeexeex.exe

  • Size

    139KB

  • MD5

    a9fb329dd493dc2e0cf5b56a3459825a

  • SHA1

    85800c24779f7165cd7fd562954e97c2cad77458

  • SHA256

    19c80d24b7410a444081f2110c0f6354e079a9a5f3814f1cdb7bd8805432f82d

  • SHA512

    9090a1022d670d6a32fbc6ab22cd619d514b775c3f1b1e9efdbdcb2e13854a6eee191c735cdedf2ce81b7c50b592405342d10942121f323ea33674c0895962e6

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GjZL:z6a+CdOOtEvwDpjczg

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9fb329dd493dcexeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\a9fb329dd493dcexeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    139KB

    MD5

    f0c1c3527f229039abd2f846cf628757

    SHA1

    f7203e5da6e8ea6597ac7b6c7c57099d8cf02301

    SHA256

    511c7d5398d6f27fff651f5ad3bda7096861900cf830a677db2e6553ed174ad6

    SHA512

    87d8ffc42a30dd20aae6d78dbfd708102e0165fb4e1fe7864a13901bcb10aa18b930951da3bc535f2777526c9cfa2b8237b0fb046b7ab971b140b1c8ebfd551d

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

    Filesize

    139KB

    MD5

    f0c1c3527f229039abd2f846cf628757

    SHA1

    f7203e5da6e8ea6597ac7b6c7c57099d8cf02301

    SHA256

    511c7d5398d6f27fff651f5ad3bda7096861900cf830a677db2e6553ed174ad6

    SHA512

    87d8ffc42a30dd20aae6d78dbfd708102e0165fb4e1fe7864a13901bcb10aa18b930951da3bc535f2777526c9cfa2b8237b0fb046b7ab971b140b1c8ebfd551d

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

    Filesize

    139KB

    MD5

    f0c1c3527f229039abd2f846cf628757

    SHA1

    f7203e5da6e8ea6597ac7b6c7c57099d8cf02301

    SHA256

    511c7d5398d6f27fff651f5ad3bda7096861900cf830a677db2e6553ed174ad6

    SHA512

    87d8ffc42a30dd20aae6d78dbfd708102e0165fb4e1fe7864a13901bcb10aa18b930951da3bc535f2777526c9cfa2b8237b0fb046b7ab971b140b1c8ebfd551d

  • memory/1996-150-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1996-156-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2680-133-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2680-134-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2680-135-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB