Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:20

General

  • Target

    972fcfe5872ab4a6b837384811a9bbe0624c3035a9a24dcd95984caca2e3b81d.exe

  • Size

    433KB

  • MD5

    cdd196694c11df773e31372b1e3f6578

  • SHA1

    f013a3c818024ea0e771ff51c981e90a00fcbad9

  • SHA256

    972fcfe5872ab4a6b837384811a9bbe0624c3035a9a24dcd95984caca2e3b81d

  • SHA512

    34c9a0e50a4e6360535108ddb53e802716dce6b69cf1978274620d744cf91221d039994d6edc80ae05ea06cf1c5cce3c9161a66268c25ceb5ed5c11665587b99

  • SSDEEP

    12288:9Mroy90XNx2BiXTV2NhmyP7U1Jqr1oX0:dyaNwGa57wJYmX0

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

C2

http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/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 2 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 7 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Launches sc.exe 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\972fcfe5872ab4a6b837384811a9bbe0624c3035a9a24dcd95984caca2e3b81d.exe
    "C:\Users\Admin\AppData\Local\Temp\972fcfe5872ab4a6b837384811a9bbe0624c3035a9a24dcd95984caca2e3b81d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2209358.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2209358.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1953252.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1953252.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4048
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h4513594.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h4513594.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
          "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4576
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:2516
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4600
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:2684
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:N"
                6⤵
                  PID:4584
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:R" /E
                  6⤵
                    PID:2524
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1484
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:N"
                      6⤵
                        PID:3176
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:R" /E
                        6⤵
                          PID:3024
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i8264383.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i8264383.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2744
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4624,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:8
                1⤵
                  PID:4828
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:5080
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2920
                • C:\Windows\system32\sc.exe
                  C:\Windows\system32\sc.exe start wuauserv
                  1⤵
                  • Launches sc.exe
                  PID:2328

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i8264383.exe

                  Filesize

                  174KB

                  MD5

                  240028b8ed70e54fa601ae595107966b

                  SHA1

                  9b022a2765e6af05537945b091449f4f43d6d884

                  SHA256

                  31011cff094eb67a9d3651ac3418badf23a8ee281bdc2fbec3bcae00cad937ec

                  SHA512

                  de8a88469a25c5993f39ddf3bdc2b66b3c8aae2e55604ed7b44b763d503ea2cc6a38ca3672befe5e2ffc462f4f7e012f11ab1f40f262dac67118f4e2af94b246

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2209358.exe

                  Filesize

                  277KB

                  MD5

                  edcd86431ccf4525d9cb888abd4d98f7

                  SHA1

                  cf8033afea91aa447bc3885a021993900e71ada8

                  SHA256

                  1f1890adbd283c8cb6f4e5cd647f148533c576942e22c1c531ddcac860588242

                  SHA512

                  b3d49373923cd32f4af9cbcf1a638232a9561d4785ffb78626f86739b371d449dc31bb8f32aa8f9fec41441e1e326db905f3287a11c6dc0f57fa60a0e9572403

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1953252.exe

                  Filesize

                  11KB

                  MD5

                  4d71ecf8aade0e6f8b129593ac3ad598

                  SHA1

                  e2a8053e910c4a6a0f33f1e192b0089782716212

                  SHA256

                  2948fd08e50a6641950acb3f99f2214bdd51ed1048a30b8db46674c487fea607

                  SHA512

                  55bbafb3ca1f4df88dde30aed7deda763c9a83dfaaabb13329da44642d6d8210996092caacb6add997fc1b01026679a6b327f67805a0141e87fa92405d28ce8c

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h4513594.exe

                  Filesize

                  337KB

                  MD5

                  859f4232b6765a222f40f777d6e44672

                  SHA1

                  eda87a8c746caba72f4ad5137c62d61b67c9f518

                  SHA256

                  e862aed41ba9827e4d73271b75ff8973cb488721e4ddc38cd916eada92380e94

                  SHA512

                  cc75d121d870127ae101d8d47a97f3c0e911d028ae9b1bffd3caf2fed6cc4c06b5bb26ac7c9bcf15348629fe5407760f9c8571d7dd0c698236fcbc2f6faafa88

                • memory/2744-35-0x00000000055F0000-0x00000000056FA000-memory.dmp

                  Filesize

                  1.0MB

                • memory/2744-32-0x0000000000B30000-0x0000000000B60000-memory.dmp

                  Filesize

                  192KB

                • memory/2744-33-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

                  Filesize

                  24KB

                • memory/2744-34-0x0000000005B00000-0x0000000006118000-memory.dmp

                  Filesize

                  6.1MB

                • memory/2744-36-0x00000000054A0000-0x00000000054B2000-memory.dmp

                  Filesize

                  72KB

                • memory/2744-37-0x0000000005520000-0x000000000555C000-memory.dmp

                  Filesize

                  240KB

                • memory/2744-38-0x0000000005560000-0x00000000055AC000-memory.dmp

                  Filesize

                  304KB

                • memory/4048-14-0x0000000000750000-0x000000000075A000-memory.dmp

                  Filesize

                  40KB

                • memory/4048-15-0x00007FFFE57D3000-0x00007FFFE57D5000-memory.dmp

                  Filesize

                  8KB