Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    14-05-2021 07:45

General

  • Target

    c95d2caed83ec5a321a4b607947f103af193db95e920a426fa5ff339eebef19a.exe

  • Size

    5.3MB

  • MD5

    71fc21df40770009ae3c7b3b565831e3

  • SHA1

    7d518f1e7ebf3b45f7f6f8d63262bf48e202783f

  • SHA256

    c95d2caed83ec5a321a4b607947f103af193db95e920a426fa5ff339eebef19a

  • SHA512

    3598da724fb6590da6c2831de491944ec1b6cd4062f2223dd41bf20e0c7708ac3527cbae6d0172d818c2f3b85cf3c29c148562b316e122078dd696925f8f76cd

Score
10/10

Malware Config

Signatures

  • ObliqueRAT

    Remote Access Trojan discovered in early 2020.

  • Executes dropped EXE 3 IoCs
  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c95d2caed83ec5a321a4b607947f103af193db95e920a426fa5ff339eebef19a.exe
    "C:\Users\Admin\AppData\Local\Temp\c95d2caed83ec5a321a4b607947f103af193db95e920a426fa5ff339eebef19a.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Users\Public\Video\frame.exe
      "C:\Users\Public\Video\frame.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Users\Public\Video\lphsi.exe
        "C:\Users\Public\Video\lphsi.exe"
        3⤵
        • Executes dropped EXE
        PID:2752
      • C:\Users\Public\Video\hrss.exe
        "C:\Users\Public\Video\hrss.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        PID:3508
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Public\Video\movie.mp4"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\Video\frame.exe

    MD5

    2d411dc28a5faeb5893d7769b7c3b8a4

    SHA1

    1db46d9a9e27146ca12dcc9caff51ede700cf026

    SHA256

    b218fb4573b6c8fff51870de463a793238a4f317ce9abdcf8352954f92328eac

    SHA512

    5aab004d78dc87528f8965426d446dde68f8c8ff4a34cfecf1b69ade65b625f15d34fccbf4629ff42e49410379bd447eaa4f2339f11483d950e174a7d5aa8804

  • C:\Users\Public\Video\frame.exe

    MD5

    2d411dc28a5faeb5893d7769b7c3b8a4

    SHA1

    1db46d9a9e27146ca12dcc9caff51ede700cf026

    SHA256

    b218fb4573b6c8fff51870de463a793238a4f317ce9abdcf8352954f92328eac

    SHA512

    5aab004d78dc87528f8965426d446dde68f8c8ff4a34cfecf1b69ade65b625f15d34fccbf4629ff42e49410379bd447eaa4f2339f11483d950e174a7d5aa8804

  • C:\Users\Public\Video\hrss.exe

    MD5

    747d4870a9e1504b1f802fce83704bb1

    SHA1

    cb5b1fb54a6f1081d985dc44462983e31778d9d5

    SHA256

    3a04dd93ec9da19781ba97412b466452a9682a390f2cf4426f722e424465fb19

    SHA512

    03adf5635828256581a4ec708c3734eebd11e603f9a4e3bd6a3149fcf525a85bf45ad4b880b0de37b9658794c88ad3cd6f9a4a43e4f6ad4bd01110d72a502a12

  • C:\Users\Public\Video\hrss.exe

    MD5

    747d4870a9e1504b1f802fce83704bb1

    SHA1

    cb5b1fb54a6f1081d985dc44462983e31778d9d5

    SHA256

    3a04dd93ec9da19781ba97412b466452a9682a390f2cf4426f722e424465fb19

    SHA512

    03adf5635828256581a4ec708c3734eebd11e603f9a4e3bd6a3149fcf525a85bf45ad4b880b0de37b9658794c88ad3cd6f9a4a43e4f6ad4bd01110d72a502a12

  • C:\Users\Public\Video\lphsi.exe

    MD5

    0bafccfaec9c7d45ce491e4b0ddc1bdf

    SHA1

    f0fa26da45d04ca36e9eb0acbc2d8ddce881e096

    SHA256

    9da1a55b88bda3810ccd482051dc7e0088e8539ef8da5ddd29c583f593244e1c

    SHA512

    c32b734420be1ee3a54dfea117f2fb14353fbd39831d8bbe8a4515c983f0781c38d4bcc8a6c5fd0785693fa3a16add499387bd8add21f706c9927d537e38184e

  • C:\Users\Public\Video\lphsi.exe

    MD5

    0bafccfaec9c7d45ce491e4b0ddc1bdf

    SHA1

    f0fa26da45d04ca36e9eb0acbc2d8ddce881e096

    SHA256

    9da1a55b88bda3810ccd482051dc7e0088e8539ef8da5ddd29c583f593244e1c

    SHA512

    c32b734420be1ee3a54dfea117f2fb14353fbd39831d8bbe8a4515c983f0781c38d4bcc8a6c5fd0785693fa3a16add499387bd8add21f706c9927d537e38184e

  • C:\Users\Public\Video\movie.mp4

    MD5

    8163b5509eaeb8f03d6e3ed0e18e38e6

    SHA1

    56f28401ccd28b8340224f4d951cd78c184eaf96

    SHA256

    8e2dbbc2eafd7783493448b512d13749950aa8a9ce10808392ad3b04a8ebf2d4

    SHA512

    d50b45386c2865e512ca1c3db4ae73e1a1ce860e093028dbb4513e706edb27c2d581ece02438532a369589a78a6d6eb49d33482ae369702efb2bc426ca862d24

  • memory/2396-114-0x0000000000000000-mapping.dmp

  • memory/2604-117-0x0000000000000000-mapping.dmp

  • memory/2752-118-0x0000000000000000-mapping.dmp

  • memory/3508-121-0x0000000000000000-mapping.dmp