Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-06-2023 18:35

General

  • Target

    53e8c50e13111ea74fe9a0a315dc9311233c7bdde45702e80c40f168668a538e.exe

  • Size

    581KB

  • MD5

    ff5d1e04d3ab7b200989a063c75e2461

  • SHA1

    6088ab645636e8e954cbfead71308a6f56052d97

  • SHA256

    53e8c50e13111ea74fe9a0a315dc9311233c7bdde45702e80c40f168668a538e

  • SHA512

    bc04cd141c9a9489234aafc4bd35aaa13a6b43679a8d96079a9e56136506bf3f652117b5e544028c53ae61d7af939f989eab7ffa1ed13146044858ecc3df7b71

  • SSDEEP

    12288:8Mrky90O9+7mtSIoKH0XxaIVwomNUXpFs+5B4ZvO+uEs0CIPmsP:Qy1k7WEKMyUXpd5B4ZG+uX0COmsP

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53e8c50e13111ea74fe9a0a315dc9311233c7bdde45702e80c40f168668a538e.exe
    "C:\Users\Admin\AppData\Local\Temp\53e8c50e13111ea74fe9a0a315dc9311233c7bdde45702e80c40f168668a538e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8927430.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8927430.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4556
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6392619.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6392619.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4296
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4012019.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4012019.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3656
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5184495.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5184495.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8927430.exe

    Filesize

    377KB

    MD5

    9e10117012d19841ff3641aa051363ee

    SHA1

    b5add5712375f58966fb01646d0c96e4031dd763

    SHA256

    343a93249c65cbfa0a30518bd5bd3b75353bce94c57aca97a1998d189d909980

    SHA512

    a132f6fc7723f88820de645efb9592a75beeccf84283d1a3668d716ee9754fa320ae66af7197650e186f8dded9b8833716ce7e689c5c7a719dd651a5f3fc7181

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8927430.exe

    Filesize

    377KB

    MD5

    9e10117012d19841ff3641aa051363ee

    SHA1

    b5add5712375f58966fb01646d0c96e4031dd763

    SHA256

    343a93249c65cbfa0a30518bd5bd3b75353bce94c57aca97a1998d189d909980

    SHA512

    a132f6fc7723f88820de645efb9592a75beeccf84283d1a3668d716ee9754fa320ae66af7197650e186f8dded9b8833716ce7e689c5c7a719dd651a5f3fc7181

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6392619.exe

    Filesize

    206KB

    MD5

    45eb4999184fbea0565929468db8b323

    SHA1

    a823c6bd2886a66dc534fdee80ed432b8f87555e

    SHA256

    6138f5763b9fd0a0203bbda64b42e5cae185a40fbd7f28520e16d40cf623c728

    SHA512

    3c77d31eaa5695bb63cd157a7f2a8d6c56b3c09e0ce50d93d9e29c98c1210444660955da0dd5606016c7ee4508ec5e32254f3db1d46b167287020227bf695b15

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6392619.exe

    Filesize

    206KB

    MD5

    45eb4999184fbea0565929468db8b323

    SHA1

    a823c6bd2886a66dc534fdee80ed432b8f87555e

    SHA256

    6138f5763b9fd0a0203bbda64b42e5cae185a40fbd7f28520e16d40cf623c728

    SHA512

    3c77d31eaa5695bb63cd157a7f2a8d6c56b3c09e0ce50d93d9e29c98c1210444660955da0dd5606016c7ee4508ec5e32254f3db1d46b167287020227bf695b15

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4012019.exe

    Filesize

    11KB

    MD5

    dc60801fd9e0ca4edcaf57ae68675c31

    SHA1

    5ad54ba5d8d424a27da7579f3853f5d60a7fcbe3

    SHA256

    7a3e60dbec28e18927d13cbee7784b016d9bdc162a7f25f6f27d19ac466ff05e

    SHA512

    46d8016f01195a6c63ecca7eb92c0d3ed9c06fb57f2411686b7b56def9ae3624789cb9881b47017160439370a86d4c16841ca57744f8fd3e6202e78c258e67f9

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4012019.exe

    Filesize

    11KB

    MD5

    dc60801fd9e0ca4edcaf57ae68675c31

    SHA1

    5ad54ba5d8d424a27da7579f3853f5d60a7fcbe3

    SHA256

    7a3e60dbec28e18927d13cbee7784b016d9bdc162a7f25f6f27d19ac466ff05e

    SHA512

    46d8016f01195a6c63ecca7eb92c0d3ed9c06fb57f2411686b7b56def9ae3624789cb9881b47017160439370a86d4c16841ca57744f8fd3e6202e78c258e67f9

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5184495.exe

    Filesize

    172KB

    MD5

    f4f7f0244f7044232c558f1f0b90bb62

    SHA1

    ebbe23753f3c661a924c05c6dcab37e486803f93

    SHA256

    73a648d8c6c2af163c8f2f6aa4286959be20b1abd94ab17ca82d78c0970b5f2a

    SHA512

    2029d8a700e41d7771d675033b1ce151ab1a44f69de54b815d00306d55a1ef8513746f179915e7ddd6c780c4076d4b22dfd6bad34a3f784b56fccbe5d11ce284

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5184495.exe

    Filesize

    172KB

    MD5

    f4f7f0244f7044232c558f1f0b90bb62

    SHA1

    ebbe23753f3c661a924c05c6dcab37e486803f93

    SHA256

    73a648d8c6c2af163c8f2f6aa4286959be20b1abd94ab17ca82d78c0970b5f2a

    SHA512

    2029d8a700e41d7771d675033b1ce151ab1a44f69de54b815d00306d55a1ef8513746f179915e7ddd6c780c4076d4b22dfd6bad34a3f784b56fccbe5d11ce284

  • memory/3656-142-0x00000000005A0000-0x00000000005AA000-memory.dmp

    Filesize

    40KB

  • memory/5112-150-0x0000000005030000-0x000000000513A000-memory.dmp

    Filesize

    1.0MB

  • memory/5112-154-0x0000000004FA0000-0x0000000004FEB000-memory.dmp

    Filesize

    300KB

  • memory/5112-149-0x0000000005530000-0x0000000005B36000-memory.dmp

    Filesize

    6.0MB

  • memory/5112-147-0x00000000005E0000-0x0000000000610000-memory.dmp

    Filesize

    192KB

  • memory/5112-151-0x0000000004DE0000-0x0000000004DF2000-memory.dmp

    Filesize

    72KB

  • memory/5112-152-0x0000000004F60000-0x0000000004F9E000-memory.dmp

    Filesize

    248KB

  • memory/5112-153-0x0000000004E10000-0x0000000004E20000-memory.dmp

    Filesize

    64KB

  • memory/5112-148-0x0000000004D90000-0x0000000004D96000-memory.dmp

    Filesize

    24KB

  • memory/5112-155-0x0000000005370000-0x00000000053E6000-memory.dmp

    Filesize

    472KB

  • memory/5112-156-0x0000000005490000-0x0000000005522000-memory.dmp

    Filesize

    584KB

  • memory/5112-157-0x00000000053F0000-0x0000000005456000-memory.dmp

    Filesize

    408KB

  • memory/5112-158-0x0000000006550000-0x0000000006A4E000-memory.dmp

    Filesize

    5.0MB

  • memory/5112-159-0x0000000006360000-0x0000000006522000-memory.dmp

    Filesize

    1.8MB

  • memory/5112-160-0x00000000082A0000-0x00000000087CC000-memory.dmp

    Filesize

    5.2MB

  • memory/5112-161-0x0000000004E10000-0x0000000004E20000-memory.dmp

    Filesize

    64KB

  • memory/5112-162-0x0000000006310000-0x0000000006360000-memory.dmp

    Filesize

    320KB