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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 09:27

General

  • Target

    32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe

  • Size

    66KB

  • MD5

    f966cdd6b0637e32c40e164f6133d140

  • SHA1

    ecfd75fac125efded6a126ae40871ed8cb945093

  • SHA256

    32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5

  • SHA512

    3b39cf2441b2a88246fe4b4b6018c01496d63b83d68b2a7f946e8c72d363cb2ad283a685aaeaa51c40351d4c46be1fe5821a713e1cfe14c17a53a3bea62a66de

  • SSDEEP

    768:MDcpEBMLfQcubV5wGE96YyXDTLdEBBBBD:MDcfLfIbtEbyXfZy

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Drops file in Windows directory 3 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
    "C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\rwmhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32C49D~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2820
  • C:\Windows\Debug\rwmhost.exe
    C:\Windows\Debug\rwmhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\rwmhost.exe

    Filesize

    66KB

    MD5

    8531128fdd35e9ddc9fcb24012162659

    SHA1

    8ad26b63a78d2bc489c4147da876201b812220d0

    SHA256

    ac4afd7a1a5d776938de1092247ff99ea252b853c63dff9a9420c50b9503f45c

    SHA512

    14cb9beb4b4055fd97217d190f16f71a90a60a81425a9a2fc809b72e128529e0cdbdea2ae591b645109d5a1f94296d19e555684a27f3ef8341b15257f785d324