Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2023 23:24

General

  • Target

    ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe

  • Size

    104KB

  • MD5

    806b11715f620528391dbcd800fbdb8f

  • SHA1

    9dafcc2f45fe53dca8240343be3090e16ade3e13

  • SHA256

    ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa

  • SHA512

    43bcdf2d63b00dd3bf0961ace2488052a9d8c06ee3a053696a3fc3b5af7b43ac35442dbf413e2bb3f472c4e64867becf5dcc741e581892cba83cb3a06dab501b

  • SSDEEP

    1536:uClUe3MN0YsIol+K13ZMg82YXF1XPg8QybZxEBH+xMfEoxj:uCPl+Ksn2MBnQybsBT

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe
    "C:\Users\Admin\AppData\Local\Temp\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe
      "C:\Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
          PID:3040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\ca221.png

      Filesize

      199KB

      MD5

      6fd1cdf4c712ee59bf684ae7e18c5142

      SHA1

      b04b90abfb4f5c87000244b66842d1dfcfc5b63d

      SHA256

      50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc

      SHA512

      2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

    • C:\ProgramData\ca221.png

      Filesize

      199KB

      MD5

      6fd1cdf4c712ee59bf684ae7e18c5142

      SHA1

      b04b90abfb4f5c87000244b66842d1dfcfc5b63d

      SHA256

      50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc

      SHA512

      2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B9M1KBX1\ceshijiqimao[1].bin

      Filesize

      199KB

      MD5

      6fd1cdf4c712ee59bf684ae7e18c5142

      SHA1

      b04b90abfb4f5c87000244b66842d1dfcfc5b63d

      SHA256

      50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc

      SHA512

      2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

    • C:\Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe

      Filesize

      104KB

      MD5

      806b11715f620528391dbcd800fbdb8f

      SHA1

      9dafcc2f45fe53dca8240343be3090e16ade3e13

      SHA256

      ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa

      SHA512

      43bcdf2d63b00dd3bf0961ace2488052a9d8c06ee3a053696a3fc3b5af7b43ac35442dbf413e2bb3f472c4e64867becf5dcc741e581892cba83cb3a06dab501b

    • C:\Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe

      Filesize

      104KB

      MD5

      806b11715f620528391dbcd800fbdb8f

      SHA1

      9dafcc2f45fe53dca8240343be3090e16ade3e13

      SHA256

      ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa

      SHA512

      43bcdf2d63b00dd3bf0961ace2488052a9d8c06ee3a053696a3fc3b5af7b43ac35442dbf413e2bb3f472c4e64867becf5dcc741e581892cba83cb3a06dab501b

    • C:\Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe

      Filesize

      104KB

      MD5

      806b11715f620528391dbcd800fbdb8f

      SHA1

      9dafcc2f45fe53dca8240343be3090e16ade3e13

      SHA256

      ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa

      SHA512

      43bcdf2d63b00dd3bf0961ace2488052a9d8c06ee3a053696a3fc3b5af7b43ac35442dbf413e2bb3f472c4e64867becf5dcc741e581892cba83cb3a06dab501b

    • \Users\Admin\AppData\Local\ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa.exe

      Filesize

      104KB

      MD5

      806b11715f620528391dbcd800fbdb8f

      SHA1

      9dafcc2f45fe53dca8240343be3090e16ade3e13

      SHA256

      ae862f12f3bc695f59c49fba5e1a3fbc37536eb0e74284f36a18026915c1befa

      SHA512

      43bcdf2d63b00dd3bf0961ace2488052a9d8c06ee3a053696a3fc3b5af7b43ac35442dbf413e2bb3f472c4e64867becf5dcc741e581892cba83cb3a06dab501b

    • memory/2184-5-0x0000000000D00000-0x0000000000D32000-memory.dmp

      Filesize

      200KB

    • memory/2184-9-0x0000000000C90000-0x0000000000CBA000-memory.dmp

      Filesize

      168KB

    • memory/2184-4-0x0000000010000000-0x0000000010031000-memory.dmp

      Filesize

      196KB

    • memory/2932-29-0x0000000000340000-0x000000000036A000-memory.dmp

      Filesize

      168KB

    • memory/3040-38-0x0000000000270000-0x0000000000271000-memory.dmp

      Filesize

      4KB

    • memory/3040-35-0x00000000001A0000-0x00000000001A1000-memory.dmp

      Filesize

      4KB