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Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 17:50

General

  • Target

    cc615f4c4733bd_JC.exe

  • Size

    57KB

  • MD5

    cc615f4c4733bdc9f9e42f77510bb8b0

  • SHA1

    30264c55dd8988103352743ce775e4d28270b416

  • SHA256

    f8291aa7e13aa673885654fda200e589273e437f4e6b4066c146d4f291c6665a

  • SHA512

    28a19b466f007036f579af3d88b260d6c934fb9b9691aab4ad90e9f944744ea77b07a061a5d54e24517ab5821560380cc2bae8f1c56332225099881ac36aae6c

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH39:T6a+rdOOtEvwDpjNl

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 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    1641858a5f22eba3cb74d83310ac4d8a

    SHA1

    3f43abbdb741fb608c0e0ec20582c12ca372f6f1

    SHA256

    e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

    SHA512

    8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

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

    Filesize

    57KB

    MD5

    1641858a5f22eba3cb74d83310ac4d8a

    SHA1

    3f43abbdb741fb608c0e0ec20582c12ca372f6f1

    SHA256

    e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

    SHA512

    8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

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

    Filesize

    57KB

    MD5

    1641858a5f22eba3cb74d83310ac4d8a

    SHA1

    3f43abbdb741fb608c0e0ec20582c12ca372f6f1

    SHA256

    e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

    SHA512

    8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

  • memory/4080-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4080-134-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4080-135-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4080-136-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4080-153-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4276-152-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/4276-151-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/4276-159-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB