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Analysis

  • max time kernel
    100s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 00:48

General

  • Target

    09f8456cc2de8bb7f2e68268788b8b60N.exe

  • Size

    135KB

  • MD5

    09f8456cc2de8bb7f2e68268788b8b60

  • SHA1

    73b7c211c60b3d61157251e2b52016a3319cba1b

  • SHA256

    1c12ecb57f113a18084e8034ff757adf3dfecb8e06b954ac08dd3f0ddd533591

  • SHA512

    41cb8e80503aac4ac4611ab8addd6f31cf0465d81b2de61d455869ce2b74a9ad66b81c9a7cbe3b91960b87a070b5d059c7107fd5f68dafe5b855af6dc1c30a1a

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOq:YfU/WF6QMauSuiWNi9eNOl0007NZIOq

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\09f8456cc2de8bb7f2e68268788b8b60N.exe
    "C:\Users\Admin\AppData\Local\Temp\09f8456cc2de8bb7f2e68268788b8b60N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3444
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\09f8456cc2de8bb7f2e68268788b8b60N.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Update\wuauclt.exe

    Filesize

    135KB

    MD5

    0ccc34971b66bf32174ed4d48eb72d0d

    SHA1

    bbddd2aab15e0e15077950e7c8dc55b4bb7ec901

    SHA256

    dab2bfaf29ae6d4631bb5ab97f83f6de03abb080d522d081e431c41f7f691a95

    SHA512

    81bf90038f9019c3275ecf16bae22f0222a0e5347df5c8d4af2af05119edb6232e1dffbf17c4378ddcd7d548357b5059d8259a37a1395b948c537f49cff082a5

  • memory/2012-0-0x00000000005B0000-0x00000000005D8000-memory.dmp

    Filesize

    160KB

  • memory/2012-6-0x00000000005B0000-0x00000000005D8000-memory.dmp

    Filesize

    160KB

  • memory/2012-8-0x00000000005B0000-0x00000000005D8000-memory.dmp

    Filesize

    160KB

  • memory/3444-4-0x00000000009C0000-0x00000000009E8000-memory.dmp

    Filesize

    160KB

  • memory/3444-7-0x00000000009C0000-0x00000000009E8000-memory.dmp

    Filesize

    160KB