Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:04

General

  • Target

    7974488bc67afaac8d23b7341dc9f5768ae9f7551986b8176038e4384fade015.exe

  • Size

    430KB

  • MD5

    0f6e4957b21205acdba137d49309cbe0

  • SHA1

    9ebf7a5cf45f9171f36df9f46038512e6856a7b3

  • SHA256

    7974488bc67afaac8d23b7341dc9f5768ae9f7551986b8176038e4384fade015

  • SHA512

    52047a008295322c22a308772256b16221ed2c8556b8e85bfffb275a9a00879cb81b092f9652037d9e79e79bec64881fbc8d8630e9260bc9e664e4e713e459ca

  • SSDEEP

    12288:AMrey901WT4iQGvoin9GqfDfJoTBLrt4zC8Z:uy+QgG7b7xogew

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

mrak

C2

77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

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

  • Detects Healer an antivirus disabler dropper 1 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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 8 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
  • Creates scheduled task(s) 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\7974488bc67afaac8d23b7341dc9f5768ae9f7551986b8176038e4384fade015.exe
    "C:\Users\Admin\AppData\Local\Temp\7974488bc67afaac8d23b7341dc9f5768ae9f7551986b8176038e4384fade015.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6580387.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6580387.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q5344718.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q5344718.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1240
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 136
          4⤵
          • Program crash
          PID:2724
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9555951.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9555951.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5012
        • 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
          • Suspicious use of WriteProcessMemory
          PID:4688
          • 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⤵
            • Creates scheduled task(s)
            PID:412
          • 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⤵
            • Suspicious use of WriteProcessMemory
            PID:3948
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:1204
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "explonde.exe" /P "Admin:N"
                6⤵
                  PID:2140
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "explonde.exe" /P "Admin:R" /E
                  6⤵
                    PID:1924
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4572
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\fefffe8cea" /P "Admin:N"
                      6⤵
                        PID:3456
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\fefffe8cea" /P "Admin:R" /E
                        6⤵
                          PID:4296
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4529838.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4529838.exe
                  2⤵
                  • Executes dropped EXE
                  PID:3504
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1240 -ip 1240
                1⤵
                  PID:4008
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:408
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1928
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4684

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4529838.exe

                  Filesize

                  176KB

                  MD5

                  cc683d963449b3b83f2aa6dc4fbfb176

                  SHA1

                  5195000b4265797cdaca6e24d0df2dbef98cc717

                  SHA256

                  460ff67608441a0b4c581694bf0743d5297d0d856c1ef40de7326c14ac9d73c7

                  SHA512

                  1d6fe811429dee9d93239b9406bd2c7eebbfe467b090bb38c5e88856d4d005a7b2f2d752712923525c1d1c08322bab54fd4f584c8d5965991fdd77e4bcc7556a

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6580387.exe

                  Filesize

                  274KB

                  MD5

                  03087956a7024912c0d42180d390a61d

                  SHA1

                  6a21397671af467892382fed6c7f5ad3cfe7347a

                  SHA256

                  6065bda34586254df44b8a27840dc06d78e34904c5af3fcc6c2f83735cf8a34b

                  SHA512

                  243c23214ff26dfbcb12b6478813f0cecc9ff8d7e827281892b1ae7f92dd478935c3770999ac341fa6f0338fa9905646f08b04bfc20045b11ded4a00be7ca6d7

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q5344718.exe

                  Filesize

                  135KB

                  MD5

                  6cb58f9d45e116e873c68ab5cf973df4

                  SHA1

                  21d6dc96390fa0cd9b03f0bc2d8a11d60c4512f9

                  SHA256

                  85eb4e3e6ba254ecfff7c059224ce58366e7a51584561f2c69bdcd60f2acfc50

                  SHA512

                  fdc24e7d5c408d7123b7fbf323526142a7fbd40ff9cc37ad051b429dd00cbc28bd0b606ae67c9a0f2cc8d4253bf07a27ab179636762c6560e4f2bea93660e114

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9555951.exe

                  Filesize

                  221KB

                  MD5

                  4ae3876bc59dbb56422de26e01335e6b

                  SHA1

                  2660f7fa807015ddcf6fb9640f04cf99485689b6

                  SHA256

                  9dc6c9f9b5ce3db655b62f3100978fc1a46cd239fd8d1d906f6fd3791caf68e8

                  SHA512

                  85c0d78e1ad1b3ced66321ba7cb29992e9c34ade2307549b8322cf8881548bb556f2a798c76a9c0b4c8bcf4125d62d63e6a71e49d2ca838c643316538873296a

                • memory/2240-14-0x0000000000400000-0x000000000040A000-memory.dmp

                  Filesize

                  40KB

                • memory/2240-15-0x0000000073FCE000-0x0000000073FCF000-memory.dmp

                  Filesize

                  4KB

                • memory/3504-31-0x0000000000200000-0x0000000000230000-memory.dmp

                  Filesize

                  192KB

                • memory/3504-32-0x00000000049E0000-0x00000000049E6000-memory.dmp

                  Filesize

                  24KB

                • memory/3504-33-0x0000000005200000-0x0000000005818000-memory.dmp

                  Filesize

                  6.1MB

                • memory/3504-34-0x0000000004CF0000-0x0000000004DFA000-memory.dmp

                  Filesize

                  1.0MB

                • memory/3504-35-0x0000000004A70000-0x0000000004A82000-memory.dmp

                  Filesize

                  72KB

                • memory/3504-36-0x0000000004BE0000-0x0000000004C1C000-memory.dmp

                  Filesize

                  240KB

                • memory/3504-37-0x0000000004C30000-0x0000000004C7C000-memory.dmp

                  Filesize

                  304KB