Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 07:29

General

  • Target

    broadcom5.exe

  • Size

    13.2MB

  • MD5

    de5df8536b7d4d9c45fc2e9c6639f24e

  • SHA1

    5394559d6e470025d886678f4d625a3d01f55d64

  • SHA256

    7382e6823dc5b6f0ae9b4a67f30a6fe8dc400dfa95278ec647d06e6550ada24e

  • SHA512

    b14c108ac482d54ee000b729170a765f4506ebeb1e7ebbfd7c4367e93cb1b46da642096d8191f1cea13e16b05c124fd7bdaea9323cb53c9a7b5d92629ed7ccad

  • SSDEEP

    393216:7DfYtlZKIfz5Nk7uSff1yosdxz60CptWbN/33YFEr:7D2lnkaSnCd00Cps/fr

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\broadcom5.exe
    "C:\Users\Admin\AppData\Local\Temp\broadcom5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\run.vbs"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\build_5.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\build_5.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\build_5.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\build_5.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\build_5.exe

    Filesize

    13.1MB

    MD5

    489841193bb17bed86528363199e802d

    SHA1

    b21527944d7f543b568aedbbe9833ffdb621b06a

    SHA256

    9e551b2304a6d8b72f38080a717d35900365dda5ce2aea2f2b14e90eba59cd7f

    SHA512

    85c250271c44ccafd753495356a9a1bd8d940a8c3443c51e1d8d1fbe1d79ab39226e9e18402b088ec340b05f45e0caeb8a2f7c195479e3b5e9cdbd23260405df

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\run.vbs

    Filesize

    183B

    MD5

    5bbb490df19cbff919dc8338db84f363

    SHA1

    1acb4bdbd0ff2b9c38613191c5f11e4ae35156c2

    SHA256

    738a9b1cd2c12511e87076fefbfe39aff55278ed86b3cc32fb968078cc6e6a03

    SHA512

    6b1ccd500347c13ac37f5b214db7717d35879cc6d4c909b7b8ecb7ce54e1cfe8b6d0202afe5edc77721f08e4f94291e8ae97abfb77cb8e758f15a62c6054d40f

  • C:\Users\Admin\AppData\Local\Temp\_MEI24082\python312.dll

    Filesize

    5.6MB

    MD5

    0eac9fa387647c388fab4239bfe5a0b5

    SHA1

    fafb679a58b8d85b50af18a4c0a7402fa890ee39

    SHA256

    65900b1bc22af5bb974385f7f2a8742ffd12860010cbe0aedb62ff5598998414

    SHA512

    70042322b98681c73f83f05e03f61a8ad985944cf07633653706c9b87be738e6698099f40328058ee80d4063f8e85aba7c674c3af079cf082376fb1dc9005e86