Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 10:22

General

  • Target

    名单助手F.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
  • Downloads MZ/PE file
  • 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 4 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 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\名单助手F.exe
    "C:\Users\Admin\AppData\Local\Temp\名单助手F.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2092
  • C:\ProgramData\O7N7R7\8O8R7RF.exe
    C:\ProgramData\O7N7R7\8O8R7RF.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:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\O7N7R7\8O8R7RF.exe

    Filesize

    24KB

    MD5

    7bd122f622d85243d9de8ae0349d416b

    SHA1

    db8829c762744ce7ab747b765acd42e625b18cac

    SHA256

    50f293aeaf61f7262f38911f3db2b817604661704ff75bc0d58435e63e20be15

    SHA512

    46c07028be1892259bd2e0ac34a5daeb9ec15b50a4ae91037dcc0dd1259294b417d3b93497e8444f9ce46c3ff1f558cef01fefd2567761a3f078c2413d8b3c34

  • C:\ProgramData\O7N7R7\HYPERTRM.dll

    Filesize

    619KB

    MD5

    83eacc0f796782931c7deee2aff45888

    SHA1

    695a367591dad14b059cfcfd2e26814598067e85

    SHA256

    586d5d290b153334e298d033f74c8793fcdc76cce898ed282e14fb05e2f142ef

    SHA512

    192e975180764995d9a545b997bfc3cf93b204b9e44cf4a65a6d567342ff0a81c5d6ce8e3bbeab9cef468b28ea23f18f46a6103d85a76df45503442c22176a06

  • C:\ProgramData\O7N7R7\longlq.cl

    Filesize

    1.2MB

    MD5

    eab35abc0ae31018b3f0c64fb93b785b

    SHA1

    be2468ea6292889e8c58306aacbc875147e29a00

    SHA256

    5b8e39728ad4b2ec68d5b3e0af4dfa914a26812bbdca20198d3fe0d40397126a

    SHA512

    c1555252c93c314a8d26ef018afcb54937abc0b5e755fbc3d6a3bcda7ec796fddca48ffb215cdcb1a92edb2361122d273b1c40987cd2f4c2fe754a2be8f6ae06

  • C:\Users\Admin\AppData\Roaming\5L5O5\_F_F.exe

    Filesize

    142KB

    MD5

    bbaea75e78b80434b7cd699749b93a97

    SHA1

    c7d151758cb88dee39dbb5f4cd30e7d226980dde

    SHA256

    c9a1c52f5f5c8deef76b8e989c6a377f00061fa369cbd1cee7f53f8f03295f5c

    SHA512

    7f41846d61452c73566554ba5f6ef356e757ff4c292ad68bbcc1b84f736c02c6b0bc52e13270e5d7be4cde743d40cfc281028d4a0e322fbeecd9b786d08bac3d

  • C:\Users\Admin\AppData\Roaming\5L5O5\website_secure_lnk.lnk

    Filesize

    797B

    MD5

    2696a2105996a3321ed14831ac824028

    SHA1

    dcc1488314156626d4b8ca2e205d5a01b2346f0c

    SHA256

    0aafd25b3e78a21e89dd7cf20243a2e5eb7a099f136a217ad473923bd01f0c52

    SHA512

    8b6eb558a70279b065a11232a25ca50bf6c5a18845d210c7a75d5c8ca1ee5babd6c17c6a9d68c1308648d2891f98241615ada0ce3fa0054ed7536c6890ad02f1

  • C:\Users\Public\7N6Q6Q

    Filesize

    678KB

    MD5

    97f34a4c5946851fb9f717b8d8e04dcb

    SHA1

    0c3a64155598707cee735aef6468685e3c3298a8

    SHA256

    0a1dbf3d668f6935658748003eb4e4c1b4d5b01be1390408fc624a7b328ae23b

    SHA512

    99a6622bf50104bd581e5978595233b7567f277e0e78acd138fe8b2951d2e5b12768cbc51509bbf390e4dd733f85740547e4f70434e6fa53152cb83c8df21558

  • memory/2092-36-0x00000000021D0000-0x00000000027B9000-memory.dmp

    Filesize

    5.9MB

  • memory/2092-1-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/2092-60-0x00000000021D0000-0x00000000027B9000-memory.dmp

    Filesize

    5.9MB

  • memory/2092-61-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/2092-0-0x00000000021D0000-0x00000000027B9000-memory.dmp

    Filesize

    5.9MB

  • memory/2092-54-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/2248-69-0x0000000002300000-0x0000000002332000-memory.dmp

    Filesize

    200KB

  • memory/2248-66-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2248-70-0x0000000002D50000-0x0000000002D8B000-memory.dmp

    Filesize

    236KB

  • memory/2248-71-0x0000000002240000-0x000000000226A000-memory.dmp

    Filesize

    168KB

  • memory/2248-76-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB

  • memory/2248-77-0x0000000002300000-0x0000000002332000-memory.dmp

    Filesize

    200KB

  • memory/2248-79-0x0000000002D50000-0x0000000002D8B000-memory.dmp

    Filesize

    236KB

  • memory/2248-81-0x0000000010000000-0x00000000101B3000-memory.dmp

    Filesize

    1.7MB