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Analysis

  • max time kernel
    103s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 12:42

General

  • Target

    6e5416a8514789535124d5f245236de0N.exe

  • Size

    134KB

  • MD5

    6e5416a8514789535124d5f245236de0

  • SHA1

    345075bdb62e4e44e6c0a9c96150e2beac14c5a6

  • SHA256

    6a0f3730fc5f5588aaea8e2a2b6c878405c90d23d8bdc1683262d09a458509e1

  • SHA512

    3bf8c5b03db4fecbb0e2f1f1aa0e50159aa3d383e922ef9cacc81b05b50a80d4476649bc7b69058f91e6b02477cefe1546c4b0f39e82264129a8e8587261a9a1

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOz:YfU/WF6QMauSuiWNi9eNOl0007NZIOz

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e5416a8514789535124d5f245236de0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6e5416a8514789535124d5f245236de0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3640
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\6e5416a8514789535124d5f245236de0N.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Update\wuauclt.exe

    Filesize

    134KB

    MD5

    46a6f3e48382c11fcf0478e061b16ff5

    SHA1

    7726f75235622eefc9887cd01dca40000f5e6b7b

    SHA256

    8fc86de7e3c9f6198ac326cfbd76fef4363e72745a0fc601d23ccdf5ac9483e7

    SHA512

    7320805f13ed5a9b55fb7450e850886a347e887eeadfd51c08660a7482edf100cf56c877be3e46f507debd083b876683589e483b2d709ca9bb47e2899b96918b

  • memory/3640-5-0x0000000000D70000-0x0000000000D98000-memory.dmp

    Filesize

    160KB

  • memory/3640-7-0x0000000000D70000-0x0000000000D98000-memory.dmp

    Filesize

    160KB

  • memory/5016-0-0x0000000000F70000-0x0000000000F98000-memory.dmp

    Filesize

    160KB

  • memory/5016-6-0x0000000000F70000-0x0000000000F98000-memory.dmp

    Filesize

    160KB

  • memory/5016-8-0x0000000000F70000-0x0000000000F98000-memory.dmp

    Filesize

    160KB