Overview

overview

10

Static

static

5

5e23d63022...9a.exe

windows7-x64

10

5e23d63022...9a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 12:58

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General

  • Target

    5e23d6302299ec9322e61d05bc8ec3860b415509e97cb0160f3afed05094279a.exe

  • Size

    102.8MB

  • MD5

    e6892d590425742a2b10f89409b39e64

  • SHA1

    683d3dd2b47ef4dddc65662779e31abde519c965

  • SHA256

    5e23d6302299ec9322e61d05bc8ec3860b415509e97cb0160f3afed05094279a

  • SHA512

    ce4371c6213db1281e7ebb4a46c14cd901069ec0221e9a7411a84a8bac27787190bf949db15f357a10373dbf4224e77ff20ffa0bc0f712726e454be90652163b

  • SSDEEP

    1572864:zWCctvS7T3H6WCpsrxXGmjJoGe/ywdUa4nIvHiRG5E7w8LUxFBIMVNLnfUdAie:3cgjaoImF7w9iIvZ5uUxTIy9nIAie

Score
10/10
fatalratdiscoveryevasioninfostealerpersistencerattrojanupx

Malware Config

Signatures

  • FatalRat

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

    infostealerratfatalrat
  • Fatalrat family
    fatalrat
  • Fatal Rat payload 1 IoCs
    ratinfostealer
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e23d6302299ec9322e61d05bc8ec3860b415509e97cb0160f3afed05094279a.exe
    "C:\Users\Admin\AppData\Local\Temp\5e23d6302299ec9322e61d05bc8ec3860b415509e97cb0160f3afed05094279a.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Program Files (x86)\u1.exe
      "C:\Program Files (x86)\u1.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
        C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Users\Public\Documents\sougou\spolsvt.exe
          C:\Users\Public\Documents\sougou\spolsvt.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4836
          • C:\Users\Public\Documents\dd\spolsvt.exe
            C:\Users\Public\Documents\dd\spolsvt.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2336
          • C:\Users\Public\Documents\uu\svcoth.exe
            C:\Users\Public\Documents\uu\svcoth.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\u1.exe
    Filesize

    6.1MB

    MD5

    0d808b4aa4329dd4091c0414333aca75

    SHA1

    50f045202090292f00a82b1efb3cde09f848a9dd

    SHA256

    9392da86d8c1d1fa48dab2d0c5a53c05de74eccdb302a043f7829f09911f8c5d

    SHA512

    427552d251d65289c97b9593efa87092ec2bdace1d5e39448e98439fff7469414aff0755f915edccae780ef9cf0433993f083deee44be2d41587a14c959daa7b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd
    Filesize

    300B

    MD5

    ed7240cf3bd75c0791a71af822338029

    SHA1

    b44f0b389bf28785016f8d92907ff357d0d2b204

    SHA256

    7789e4e7246c480f93358d39f393101636e849ef64067a96b7544e94571a9f70

    SHA512

    0038da27924d9787d23732d27465606f54f76430367408995d71420327bc5370e38aad65400baa80e15832fae7b32d654712042d003dcf2b0f23d5ab31fddc66

    Download Submit

  • C:\Users\Public\Documents\dd\spolsvt.exe
    Filesize

    16KB

    MD5

    cdce4713e784ae069d73723034a957ff

    SHA1

    9a393a6bab6568f1a774fb753353223f11367e09

    SHA256

    b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

    SHA512

    0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

    Download Submit

  • C:\Users\Public\Documents\sougou\Mpec.mbt
    Filesize

    196KB

    MD5

    f1776f8a75946d171ad83bbd93f94d96

    SHA1

    c6b2d9ab4a49f3e905185f9730727301a1729313

    SHA256

    9c7689cd94796a74a1b7397818a10d1896f40ef7fa84c006c8ba3927f8ffe967

    SHA512

    520e6aee04c074c5acd1e9e90ec33969a9ec7598bd5c0e36833a2830b23ec392257e38b371fd3489e0c6b57d9640c56b7d90c7e8970d9e6dd02176cce27c871c

    Download Submit

  • C:\Users\Public\Documents\sougou\spolsvt.exe
    Filesize

    9KB

    MD5

    523d5c39f9d8d2375c3df68251fa2249

    SHA1

    d4ed365c44bec9246fc1a65a32a7791792647a10

    SHA256

    20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

    SHA512

    526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

    Download Submit

  • memory/448-15-0x0000000000400000-0x0000000000A4D000-memory.dmp

    Filesize

    6.3MB

    Download

  • memory/448-42-0x0000000000400000-0x0000000000A4D000-memory.dmp

    Filesize

    6.3MB

    Download

  • memory/1436-36-0x0000000000400000-0x0000000000A4D000-memory.dmp

    Filesize

    6.3MB

    Download

  • memory/1884-57-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1884-61-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1884-65-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1884-58-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1884-59-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1884-60-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1920-69-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

    Download

  • memory/1920-0-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

    Download

  • memory/2336-44-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2336-48-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

    Download

  • memory/2336-37-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2336-38-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2336-39-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4836-25-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download

  • memory/4836-26-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download

  • memory/4836-31-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download

  • memory/4836-27-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download