Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 01:44

General

  • Target

    49111f64bed0ab901f9a2a7f547cba60_NEAS.exe

  • Size

    1.3MB

  • MD5

    49111f64bed0ab901f9a2a7f547cba60

  • SHA1

    be2abdba42ca9e759cb5e4cb746f7dd93d5c858d

  • SHA256

    a20ea0ab1ca65283cd9159a21f6ea1d68985284bd9238692a3dd365994b2ac85

  • SHA512

    9ca7bdf2c762f072dc10dc81f7d807fa69bc11fc4ba240986caf13c2f08874529aa5e30fe72d937f49e872c6b415db82877bd7f25219d688d494378bdf52e882

  • SSDEEP

    24576:+y8sfz+SJ60o1Jf4iprQ4Bpbco1sAw/hgLJTCnMRSAFFFwfy7y3Kkh:N8sLTJcLVM4BVcouZwCMlMpK

Malware Config

Extracted

Family

redline

Botnet

maxbi

C2

185.161.248.73:4164

Attributes
  • auth_value

    6aa7dba884fe45693dfa04c91440daef

Signatures

  • Detects Healer an antivirus disabler dropper 17 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49111f64bed0ab901f9a2a7f547cba60_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\49111f64bed0ab901f9a2a7f547cba60_NEAS.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i58176064.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i58176064.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i91071134.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i91071134.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2152
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i87786345.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i87786345.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1228
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a73022169.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a73022169.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1848
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 1080
              6⤵
              • Program crash
              PID:2224
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b14563787.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b14563787.exe
            5⤵
            • Executes dropped EXE
            PID:4560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1848 -ip 1848
    1⤵
      PID:3088
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start wuauserv
      1⤵
      • Launches sc.exe
      PID:4008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i58176064.exe

      Filesize

      1.1MB

      MD5

      e8980977e58b9fd9c13f524fd8a658d5

      SHA1

      40febb2c8384b6e3426d13992368d20bd66791ce

      SHA256

      f9348f70f20678feb7d4580f7f2fb02f7c9d7f74d2a97a237e6e69fa2720d29a

      SHA512

      e7e7c41aa01e310e35a3654ca23f8d7e6b3359b7b1d8e6cad3be1ff90f145d4f0f7cec065558b16d587073f16e1e9ec472b33cd8605eaaf0f2289fb240c7fd17

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i91071134.exe

      Filesize

      684KB

      MD5

      6d28c016ec3bd44c24eaffbfd4f6594b

      SHA1

      e0be36cd101a2fbd2ffafb57df853010206f2219

      SHA256

      49d18927a5f28348ab021ec9d18614010944e23c2fadf6c433f0f6490fdfcd44

      SHA512

      dda126762aa8c98eacf65122ed652250065c02ec699d4500f712346cf98fd3f940326b2c425175ac3d0a634ba6850071ed98bf3386f6b8a6fe7de1403874eb78

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i87786345.exe

      Filesize

      405KB

      MD5

      37b5d514093f0f3d0172ca0cb12b33c7

      SHA1

      751d92e88bbe17ffd9305b411102e7bfbdcf661c

      SHA256

      d2f9e82d090720f093b0e932076e70d26c8a218ba8cff3b0c0ea2bce0685dae0

      SHA512

      260daf462895dd942274cd348c186c99ddf21e84bc8e05ee438050f989fb105afc6284074212c5050206138ead3921b81ceca89d9d3afe1b1fa425b0082788c2

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a73022169.exe

      Filesize

      345KB

      MD5

      62e9646d364ac3efb8354c701b3484e8

      SHA1

      78e60202c2bef0a5317d2c2f83cd89bffb9ae524

      SHA256

      169418cc1306e46283bdd82686d6474b9f19108980c3e414b6590ff9ddc8c9ab

      SHA512

      af2c9646ea81f710e79c9158d300c2107e6b95845e0412d4f0700e414665179eb188e7750855cefb6ba66492a4ca5a330b4bf7eec14a047cbd9187ea1d5c3fec

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b14563787.exe

      Filesize

      168KB

      MD5

      05b6d6ba56e96207d2e4e3a48bbb6e97

      SHA1

      5ee840ebdc955d2e3d8d5987db8dd061daedf012

      SHA256

      895cd5ebc24e7d4c97774f9ffdcdcbb5699c7303646204688a7d8a526ea38551

      SHA512

      05e6e94bc225ab93f93479c9d609f2901662ca5ae0c166802801e880df8565972f217e00711764bd50c1f54bf4c039636e72f997fb3c727888e6540f9c92667e

    • memory/1848-47-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-35-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-39-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-59-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-58-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-55-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-53-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-51-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-49-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-30-0x00000000051D0000-0x0000000005774000-memory.dmp

      Filesize

      5.6MB

    • memory/1848-45-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-41-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-37-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-31-0x0000000002AB0000-0x0000000002AC8000-memory.dmp

      Filesize

      96KB

    • memory/1848-43-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-33-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-32-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

      Filesize

      72KB

    • memory/1848-61-0x0000000000400000-0x0000000000A67000-memory.dmp

      Filesize

      6.4MB

    • memory/1848-29-0x0000000002910000-0x000000000292A000-memory.dmp

      Filesize

      104KB

    • memory/4560-66-0x0000000000F90000-0x0000000000FC0000-memory.dmp

      Filesize

      192KB

    • memory/4560-67-0x0000000003130000-0x0000000003136000-memory.dmp

      Filesize

      24KB

    • memory/4560-68-0x000000000B2B0000-0x000000000B8C8000-memory.dmp

      Filesize

      6.1MB

    • memory/4560-69-0x000000000AE00000-0x000000000AF0A000-memory.dmp

      Filesize

      1.0MB

    • memory/4560-70-0x000000000AD30000-0x000000000AD42000-memory.dmp

      Filesize

      72KB

    • memory/4560-71-0x000000000AD90000-0x000000000ADCC000-memory.dmp

      Filesize

      240KB

    • memory/4560-72-0x0000000003180000-0x00000000031CC000-memory.dmp

      Filesize

      304KB