Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 05:58

General

  • Target

    名单助手m.exe

  • Size

    6.1MB

  • MD5

    204680a71afc51faa1408ffa2430c3f4

  • SHA1

    1ae73b74dd260cc0568ce9d07daddf904102beff

  • SHA256

    1bf9bdfaff5d065a120f44725ff2dbf8b20d731660168d02dbf89a4f9ee6d336

  • SHA512

    fb1cbd9db14b71722f40956f6ca1128082eac3726241ce15cd313e9391876ed71bd0c15a22a26158331c9bcb105b54fcbace55d4aa3791f72133f98ceebc6688

  • SSDEEP

    98304:1YYX5YQmdT8PRv0J0hx09BSpKki9jBGrisYdMLU9V09DsL2qEKqjb:eiby94pFKjBGr97eL

Malware Config

Signatures

  • FatalRat

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

  • Fatalrat family
  • Fatal Rat payload 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\名单助手m.exe
    "C:\Users\Admin\AppData\Local\Temp\名单助手m.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2368
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {04C81B4B-3C36-40C4-B935-66635407740B} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\ProgramData\8S8RBR\N7Q6Q6m.exe
      C:\ProgramData\8S8RBR\N7Q6Q6m.exe
      2⤵
      • 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:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\8S8RBR\N7Q6Q6m.exe

    Filesize

    24KB

    MD5

    7bd122f622d85243d9de8ae0349d416b

    SHA1

    db8829c762744ce7ab747b765acd42e625b18cac

    SHA256

    50f293aeaf61f7262f38911f3db2b817604661704ff75bc0d58435e63e20be15

    SHA512

    46c07028be1892259bd2e0ac34a5daeb9ec15b50a4ae91037dcc0dd1259294b417d3b93497e8444f9ce46c3ff1f558cef01fefd2567761a3f078c2413d8b3c34

  • C:\ProgramData\8S8RBR\longlq.cl

    Filesize

    1.2MB

    MD5

    7ef0256be69b9deed9c7e16155139a3a

    SHA1

    2c3ff4068ea2318feaa7e6fea667650f64ebe347

    SHA256

    49eb5c585fc40b6d66fa06ec5d2dd48f921425ca8d682704e7ff04eaae3e626f

    SHA512

    409540352168e9052f8076a353552f8483a8fbfbd9e9093718c33c55044240e74cc3f4a4dd7e1970926bcc36f309a5e4a7a92248af905925399d7e648fe6bed5

  • C:\Users\Admin\AppData\Roaming\K4N4N\F_F_.exe

    Filesize

    142KB

    MD5

    bbaea75e78b80434b7cd699749b93a97

    SHA1

    c7d151758cb88dee39dbb5f4cd30e7d226980dde

    SHA256

    c9a1c52f5f5c8deef76b8e989c6a377f00061fa369cbd1cee7f53f8f03295f5c

    SHA512

    7f41846d61452c73566554ba5f6ef356e757ff4c292ad68bbcc1b84f736c02c6b0bc52e13270e5d7be4cde743d40cfc281028d4a0e322fbeecd9b786d08bac3d

  • C:\Users\Admin\AppData\Roaming\K4N4N\Microsoft\Windows\Start Menu\Programs\startup\website_secure_lnk.lnk

    Filesize

    756B

    MD5

    090a1eda3951dadbca8b38ca2a0a782d

    SHA1

    cc383076eebfd4d25e9d0a1310f73608923f45ce

    SHA256

    e9f871c43a08e5736a18d24e62f1555ad6c109dd45e4b4f5be60f9f8d064197d

    SHA512

    0b22a624b1c2f029bfb212ca3a2c569a22993b81aa47dc2f15b4dc60b78156134710c18e02749175d5520108faa7e4bfd103e9f66b6c56505fab71fb1946d213

  • C:\Users\Public\R7RARA

    Filesize

    678KB

    MD5

    97f34a4c5946851fb9f717b8d8e04dcb

    SHA1

    0c3a64155598707cee735aef6468685e3c3298a8

    SHA256

    0a1dbf3d668f6935658748003eb4e4c1b4d5b01be1390408fc624a7b328ae23b

    SHA512

    99a6622bf50104bd581e5978595233b7567f277e0e78acd138fe8b2951d2e5b12768cbc51509bbf390e4dd733f85740547e4f70434e6fa53152cb83c8df21558

  • \ProgramData\8S8RBR\hypertrm.dll

    Filesize

    619KB

    MD5

    83eacc0f796782931c7deee2aff45888

    SHA1

    695a367591dad14b059cfcfd2e26814598067e85

    SHA256

    586d5d290b153334e298d033f74c8793fcdc76cce898ed282e14fb05e2f142ef

    SHA512

    192e975180764995d9a545b997bfc3cf93b204b9e44cf4a65a6d567342ff0a81c5d6ce8e3bbeab9cef468b28ea23f18f46a6103d85a76df45503442c22176a06

  • memory/2368-35-0x0000000002160000-0x0000000002749000-memory.dmp

    Filesize

    5.9MB

  • memory/2368-0-0x0000000002160000-0x0000000002749000-memory.dmp

    Filesize

    5.9MB

  • memory/2368-1-0x00000000040F0000-0x00000000043B8000-memory.dmp

    Filesize

    2.8MB

  • memory/2368-77-0x0000000002160000-0x0000000002749000-memory.dmp

    Filesize

    5.9MB

  • memory/2668-57-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2668-60-0x0000000000310000-0x0000000000342000-memory.dmp

    Filesize

    200KB

  • memory/2668-61-0x0000000000800000-0x000000000083B000-memory.dmp

    Filesize

    236KB

  • memory/2668-62-0x00000000002D0000-0x00000000002FA000-memory.dmp

    Filesize

    168KB

  • memory/2668-67-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2668-69-0x0000000000800000-0x000000000083B000-memory.dmp

    Filesize

    236KB

  • memory/2668-71-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2668-84-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB