Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 17:34

General

  • Target

    16463d06715a36exeexeexeex.exe

  • Size

    41KB

  • MD5

    16463d06715a368bb6494f68c02b1517

  • SHA1

    a9314a6b3e40644ab3c16062e982bfb72046e39a

  • SHA256

    9e06494d4f1477f652867f20706503b6aecacaf9f1c38703f0fb2f1a4d7bf04c

  • SHA512

    13618c34203166ae897c3f7315fdaee1195f085bfff936aa00f0499abe1bcac838818f1ce319a32608d179d1a2349ca2668cae4fccc6d660dbd3fea336cd33b4

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjZ1UKXJ0T4l:ZzFbxmLPWQMOtEvwDpjbtJ00l

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
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\16463d06715a36exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\16463d06715a36exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:444
    • 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:3484
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:3808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    d757cdf13b1426755a5177763c901211

    SHA1

    07865433cc0947719f2b070e6a291c436e2d82f3

    SHA256

    70b61b93f7428defad9aa2269b0983ec9523d9772002700300569a3adcd75409

    SHA512

    96a12f1211041486d7fdcc399e4edb2f6bd70b21fd7d2907d0218fac22c2b2182c1417dfc774e7037af622deca900dd0118c35ad18112c866b376c91dd7234be

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

    Filesize

    41KB

    MD5

    d757cdf13b1426755a5177763c901211

    SHA1

    07865433cc0947719f2b070e6a291c436e2d82f3

    SHA256

    70b61b93f7428defad9aa2269b0983ec9523d9772002700300569a3adcd75409

    SHA512

    96a12f1211041486d7fdcc399e4edb2f6bd70b21fd7d2907d0218fac22c2b2182c1417dfc774e7037af622deca900dd0118c35ad18112c866b376c91dd7234be

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

    Filesize

    41KB

    MD5

    d757cdf13b1426755a5177763c901211

    SHA1

    07865433cc0947719f2b070e6a291c436e2d82f3

    SHA256

    70b61b93f7428defad9aa2269b0983ec9523d9772002700300569a3adcd75409

    SHA512

    96a12f1211041486d7fdcc399e4edb2f6bd70b21fd7d2907d0218fac22c2b2182c1417dfc774e7037af622deca900dd0118c35ad18112c866b376c91dd7234be

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/444-134-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/444-135-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/444-142-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/3484-157-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB