Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 22:55

General

  • Target

    票助手PDFm.exe

  • Size

    6.3MB

  • MD5

    0d3d7ee3d8b1b32311a3f8f6b43d379b

  • SHA1

    1c68d872ef070187544d671b45a9f17c0f347f99

  • SHA256

    6a6b231182fd8a2df3252d3c8a1ac89054a9721255be8d6245e0fd722b38b40d

  • SHA512

    a4dbf8754c435ecae8cbe42680ae8476158e7f16fc11765792fde05f318f861c834a7956ebbfc5e450df088205ef02d435a96a5d1680c9a45db693734810a99d

  • SSDEEP

    98304:9iOQYYX5YQmdT8PRv0J0hx09BSpKki9jBGrisYdMLU9V09DsL2qEKqjb:jiby94pFKjBGr97eL

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 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 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\票助手PDFm.exe
    "C:\Users\Admin\AppData\Local\Temp\票助手PDFm.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4900
  • C:\ProgramData\BRBRAU\6Q9P9Sm.exe
    C:\ProgramData\BRBRAU\6Q9P9Sm.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\BRBRAU\6Q9P9Sm.exe

    Filesize

    176KB

    MD5

    bada72ab726036ea84eac019bccb8ffc

    SHA1

    3f8aa6a04538babde8e6d2b76ab8e83cb7e61d2e

    SHA256

    5c7bd6c227802d6746b15b38360bf2c4ba2f553a250e1c8f7bf84591d97400a5

    SHA512

    bfca87ef43b34bed31990e6780b3c6c4d4072f21daf8e36b1f15033c35b3b36f6fa76d0af30c4f4180012cb98139181943f59ab5f44250452007213a8119b0c7

  • C:\ProgramData\BRBRAU\PotPlayer.dll

    Filesize

    1.6MB

    MD5

    e603041002b66bcd011876f1f73ef712

    SHA1

    0f14e961f06a3667eac666e490adb096db13c694

    SHA256

    209c382b56c1bcb6ef5337c94ebe7d9ce38a9286567a463cce679e476d250c00

    SHA512

    ec879c200e6ec5f305be4404d5a95b6651729716a94e553e86f7600170c876d1298623813e264e96cf852cc10beb7bc90926957399b8fdab686ab406f957ecfa

  • C:\ProgramData\BRBRAU\longlq.cl

    Filesize

    1.2MB

    MD5

    0dde2f5fcb760573e79b08ef31f0c9b0

    SHA1

    447f5e59f76e753fa5f092a44248ae1582e6617f

    SHA256

    91f94e74d971a5f8f7732260824cf7a45eb1a7438bd1abec12c6eaddf44f26a8

    SHA512

    84482b5d3ab7180edfa173260b94cbe965790b6130f1f734ab075dc8a8cb440638b39fbc4bd5ab7e8a0082bbdbd1df971f07f3f8bb43a448a7c36dd9cfda5fcf

  • C:\Users\Admin\AppData\Roaming\3N6N6\RBRA.exe

    Filesize

    142KB

    MD5

    bbaea75e78b80434b7cd699749b93a97

    SHA1

    c7d151758cb88dee39dbb5f4cd30e7d226980dde

    SHA256

    c9a1c52f5f5c8deef76b8e989c6a377f00061fa369cbd1cee7f53f8f03295f5c

    SHA512

    7f41846d61452c73566554ba5f6ef356e757ff4c292ad68bbcc1b84f736c02c6b0bc52e13270e5d7be4cde743d40cfc281028d4a0e322fbeecd9b786d08bac3d

  • C:\Users\Admin\AppData\Roaming\3N6N6\website_secure_lnk.lnk

    Filesize

    797B

    MD5

    b53db994e90e52c9cb3b9e13df0cd1e6

    SHA1

    3daf9ff637034668ad8a5b12730b413f0096df90

    SHA256

    b391b68e03b3ac8bdc3e33e0da61e840008d689c4cecfc53b4e42304cbd43596

    SHA512

    f93c46a49c1fa5040ba34efdbe020af5e4ee2668464bbf4abdb267ff39db639bc8dd6559ac68b268513aa8da22b602d55b0bdaa7726b44ea96ecfda926d2764f

  • C:\Users\Public\QAUATA

    Filesize

    903KB

    MD5

    36dbe670282d5727f0c44b705ff767cc

    SHA1

    a1417e16a602eda333e7d7bfb891f5f694ff01de

    SHA256

    9bf4f07491feaddd822fed4a4019f2da4cf69f20c6549bd182d020860269ae11

    SHA512

    ad72de707609d673d5764390d3d2e30fb9a13da5a55e60e3162e43cb0983daef8519b326c386687ac1b1e8a14c1772989412f36ffdc7b795dd155934294724a7

  • memory/4672-67-0x0000000002E90000-0x0000000002EC2000-memory.dmp

    Filesize

    200KB

  • memory/4672-68-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/4672-73-0x0000000002ED0000-0x0000000002F0B000-memory.dmp

    Filesize

    236KB

  • memory/4672-74-0x0000000002E90000-0x0000000002EC2000-memory.dmp

    Filesize

    200KB

  • memory/4672-75-0x0000000002ED0000-0x0000000002F0B000-memory.dmp

    Filesize

    236KB

  • memory/4900-0-0x0000000002870000-0x0000000002E59000-memory.dmp

    Filesize

    5.9MB

  • memory/4900-43-0x0000000002870000-0x0000000002E59000-memory.dmp

    Filesize

    5.9MB

  • memory/4900-6-0x0000000003AA0000-0x0000000003D61000-memory.dmp

    Filesize

    2.8MB

  • memory/4900-1-0x0000000180000000-0x00000001802CC000-memory.dmp

    Filesize

    2.8MB

  • memory/4900-81-0x0000000002870000-0x0000000002E59000-memory.dmp

    Filesize

    5.9MB