Analysis

  • max time kernel
    112s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 14:08

General

  • Target

    033a58da23f541292cd011b98a8cd621a4230c9f86d6d731537b893ee1e3cfafN.exe

  • Size

    456KB

  • MD5

    bfd492a1859477f0e0ad10de1f1a3150

  • SHA1

    46b076da179595cf50136a866694b49cbb9988f2

  • SHA256

    033a58da23f541292cd011b98a8cd621a4230c9f86d6d731537b893ee1e3cfaf

  • SHA512

    24f4d7f190d269cdb043ecc303bbef483d88f0a12a47a9d6e03f6554f105443a6af2c00a5abd17a787e5128b917d266e67b23b57ace073da37000ffa9fe2aea5

  • SSDEEP

    12288:bMr1y90xYjUbgQy0kgHq3FazVCXSTljWvXeY:KyuV1/3I46ShOOY

Malware Config

Extracted

Family

amadey

Version

3.89

Botnet

fb0fb8

C2

http://77.91.68.52

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explonde.exe

  • strings_key

    916aae73606d7a9e02a1d3b47c199688

  • url_paths

    /mac/index.php

rc4.plain

Extracted

Family

redline

Botnet

jokes

C2

77.91.124.82:19071

Attributes
  • auth_value

    fb7b36b70ae30fb2b72f789037350cdb

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Healer family
  • 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
  • Redline family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\033a58da23f541292cd011b98a8cd621a4230c9f86d6d731537b893ee1e3cfafN.exe
    "C:\Users\Admin\AppData\Local\Temp\033a58da23f541292cd011b98a8cd621a4230c9f86d6d731537b893ee1e3cfafN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z3026181.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z3026181.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3388
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7861844.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7861844.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3440
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 552
          4⤵
          • Program crash
          PID:3912
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9561632.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9561632.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
          "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1240
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:5016
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3412
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:3312
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "explonde.exe" /P "Admin:N"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2248
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "explonde.exe" /P "Admin:R" /E
              6⤵
              • System Location Discovery: System Language Discovery
              PID:3988
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2492
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "..\fefffe8cea" /P "Admin:N"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:3452
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "..\fefffe8cea" /P "Admin:R" /E
              6⤵
              • System Location Discovery: System Language Discovery
              PID:4036
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8971849.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8971849.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3440 -ip 3440
    1⤵
      PID:5028
    • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
      C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
      1⤵
      • Executes dropped EXE
      PID:1008
    • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
      C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
      1⤵
      • Executes dropped EXE
      PID:2980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8971849.exe

      Filesize

      174KB

      MD5

      b9465390c7709cf52ab8797ab9ae0d66

      SHA1

      bc4550ebe76c364ffb295cb7ac3c7361448d6094

      SHA256

      05fb9644845cebe1c679506a94714e6b00e7152c17130aad338e79f35d570dbe

      SHA512

      95ee21ae771aa147fba28c12f80e60d3bef589309517d4a41098e58b3ff9c931206a0e54e3d5dfbbfa710b658e6c2ac2064435d15e2c86f4302953391f074ef4

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z3026181.exe

      Filesize

      301KB

      MD5

      7936b7cbcea5ff99a4513517118de395

      SHA1

      526ab76769598946d8521c222fae9ca772d5ba83

      SHA256

      634abdd3cfa78529a5b268c8d244ae714baa84b4868f82c2f28492b4e6f929fd

      SHA512

      e4fc455a2f88b01825c9cec20414b265dbcec394bd4f5aa33d4774e8e114b94b29264605f38f398fe48a602013bda188408f17fbaddddb58187ca1ff4f4b34be

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7861844.exe

      Filesize

      190KB

      MD5

      68996fb67004618f00eb1116c932b195

      SHA1

      cecfbc2ceea95f10b0c77938dd1e0b4eac1b9533

      SHA256

      870b1b797cdfc2afd7f1a468be8ea03777839662ae955c661f6e47dc793bfa84

      SHA512

      5172dd8a95eab03e3b841b17fbd2090d155c1e77b778f805174a8411d7c1d6aabbf3a7858c0073e95fbb5bf5bcc5fb1350fa9368893f7642aa6daad02552dabf

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9561632.exe

      Filesize

      222KB

      MD5

      d8bbe90838a926837d9f7970bd434005

      SHA1

      931c65ea852ae7ab47e789860d939a475773427a

      SHA256

      a3c901ff3909606fe5f3341fcecf3a6fac17674d7e1ab7a347909e31d28af74f

      SHA512

      e95f8a2ab52fe265b0463a3fd66e1a519711e61c06bfbc995a1529c9635acb1d97b1d3cf8539530e0b34798f0ac83be604341d3eb9ed1f55c5cfc73ebc48fb4d

    • memory/1300-34-0x0000000005850000-0x000000000595A000-memory.dmp

      Filesize

      1.0MB

    • memory/1300-31-0x0000000000D60000-0x0000000000D90000-memory.dmp

      Filesize

      192KB

    • memory/1300-32-0x0000000002F60000-0x0000000002F66000-memory.dmp

      Filesize

      24KB

    • memory/1300-33-0x0000000005D60000-0x0000000006378000-memory.dmp

      Filesize

      6.1MB

    • memory/1300-35-0x00000000055D0000-0x00000000055E2000-memory.dmp

      Filesize

      72KB

    • memory/1300-36-0x0000000005740000-0x000000000577C000-memory.dmp

      Filesize

      240KB

    • memory/1300-37-0x0000000005780000-0x00000000057CC000-memory.dmp

      Filesize

      304KB

    • memory/3464-15-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

      Filesize

      4KB

    • memory/3464-14-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/3464-38-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

      Filesize

      4KB