Analysis

  • max time kernel
    171s
  • max time network
    214s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 22:59

General

  • Target

    831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

  • Size

    286KB

  • MD5

    979efe8b0c92a12c7672c13a1c411023

  • SHA1

    57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0

  • SHA256

    831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

  • SHA512

    d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572

  • SSDEEP

    6144:rLtYLoU6a/4uXBRXWQMuRRR+yDPlcDV60Ls1onctlj:3iLxBOir++Pl2gonI

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
    "C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
      "C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

    Filesize

    286KB

    MD5

    979efe8b0c92a12c7672c13a1c411023

    SHA1

    57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0

    SHA256

    831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

    SHA512

    d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572

  • C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

    Filesize

    286KB

    MD5

    979efe8b0c92a12c7672c13a1c411023

    SHA1

    57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0

    SHA256

    831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

    SHA512

    d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572

  • memory/1280-139-0x0000000000000000-mapping.dmp

  • memory/1356-132-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/1356-137-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/1356-140-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-133-0x0000000000000000-mapping.dmp

  • memory/2012-136-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-138-0x0000000000000000-mapping.dmp