Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 03:02

General

  • Target

    d9dce3b43103ba7c9c7993a1a4f5070b.exe

  • Size

    1.4MB

  • MD5

    d9dce3b43103ba7c9c7993a1a4f5070b

  • SHA1

    0c6b82c436aff245a1c3a5bab3947de41b52744c

  • SHA256

    7f0325d4217054cdab8d35ac1adb47ba8ea7e2ec01b7dda452e65d0dc742dc2f

  • SHA512

    c12a4a6ffedf54149ec732dbc915e12845ee82874c4b248b8ce3131b912e96ae3c5ea981b50905c99f7f34539f6f499754a8fc8c3f93a4a07bb19f572d6e98e8

  • SSDEEP

    24576:2y4AfNrEEEY3Uk8I7ZLKySp0Hu4dWMnYYDWSiJzqMtx15T/T8PwLyxC+:F4AfhNUk8IFLKySpggxJNx15R

Malware Config

Extracted

Family

amadey

Version

3.87

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

jang

C2

77.91.124.82:19071

Attributes
  • auth_value

    662102010afcbe9e22b13116b1c1a088

Signatures

  • Amadey

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

  • Detect Mystic stealer payload 1 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 14 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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 use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9dce3b43103ba7c9c7993a1a4f5070b.exe
    "C:\Users\Admin\AppData\Local\Temp\d9dce3b43103ba7c9c7993a1a4f5070b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5573007.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5573007.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0320571.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0320571.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y3397747.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y3397747.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l9706125.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l9706125.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3040
            • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
              "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2740
              • 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
                7⤵
                • Creates scheduled task(s)
                PID:2564
              • 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
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2468
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:2492
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:2500
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:2516
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:2496
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:2216
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:1108
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m4012392.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m4012392.exe
                        5⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:2572
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n0933183.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n0933183.exe
                      4⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:2996
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {AEABF479-29E3-4C09-89B3-77568B4F8672} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]
                1⤵
                  PID:1616
                  • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                    C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1552
                  • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                    C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                    2⤵
                    • Executes dropped EXE
                    PID:2876

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Execution

                Scheduled Task/Job

                1
                T1053

                Persistence

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Privilege Escalation

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Defense Evasion

                Modify Registry

                1
                T1112

                Discovery

                System Information Discovery

                1
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • \Users\Admin\AppData\Local\Temp\IXP000.TMP\y5573007.exe
                  Filesize

                  1.3MB

                  MD5

                  1dab5b16c54630ab6301e4862f8df0e0

                  SHA1

                  56cbaa192dcdf768cf27651a6772f6aee68091e6

                  SHA256

                  1877311823db6ba59449f0d4198c863b355270a0b939c3e2e3187007cfd1a78d

                  SHA512

                  42f85dc712579577ff04c7bc54cf5c384058610e71bc89e6c282302c11be6d8ef8c004bf47c715f7e2999bd953e554f44abe74f2142fd97dccb9e4f2b458feea

                • \Users\Admin\AppData\Local\Temp\IXP001.TMP\y0320571.exe
                  Filesize

                  475KB

                  MD5

                  ba1c85e520d415fddd1417ffcd74b0f6

                  SHA1

                  a41da3bd4f2f742910ad2a728bc36f2947b0e82d

                  SHA256

                  7d4931e51585d1e364bfb34f1afb1cd05f1502ea152b9340916576bf0f5d5dc6

                  SHA512

                  5f00f855b08c85e7c82e7ae4b37a9e7f2692afb09080154a2b20a55d1422c44909084c0e539d854ac256aa7b97facce1df3892ba86c85b0775e990103d913151

                • \Users\Admin\AppData\Local\Temp\IXP002.TMP\n0933183.exe
                  Filesize

                  174KB

                  MD5

                  2e47ffa00d8f4df0f9c9486bc478fcba

                  SHA1

                  ff133754d1851198ba550854fecc5a3463db0065

                  SHA256

                  534653d922fc4d6f4967befbbf83af8ddfa3982e3bca29b9274f0370945f7fb7

                  SHA512

                  da6115615b18432e373d09470769ea97bda084df573e751ff430dbada63736595aea8f943467e1bec91209bb37982bc296b7ff5c2dea9a2d207ea3242136eaab

                • \Users\Admin\AppData\Local\Temp\IXP002.TMP\y3397747.exe
                  Filesize

                  319KB

                  MD5

                  adfb99d9e67648cedbf04b6f906bf667

                  SHA1

                  24c961b4c022701e1d426f9974255126b2ce1d09

                  SHA256

                  6f83c9db7d351f52f43214ecc83c2b188052ab0677a9368c91265b95759f7c38

                  SHA512

                  95010961110624767b2ff02914e02a433ae8ff5a2935d860caf2ee2f6c20982bb2fb5ec493bda608511504e89ed8e9ff39d2abff03ea83c50927bae4263107e1

                • \Users\Admin\AppData\Local\Temp\IXP003.TMP\l9706125.exe
                  Filesize

                  329KB

                  MD5

                  2d4e41efd3db85a992d313e56cb51345

                  SHA1

                  db3dea73b3e08d98da7697473890c6b74725280e

                  SHA256

                  b3996d6c396fde63249c938f4207f2172bd56c55eba8984f0ba589ec57924aa9

                  SHA512

                  ed796e2285516e0955c83119e7490fd4d03fc490ffc5406e5c3c4d427d9a3d4d3dd1e3c523e5ef3851bc0aef79c1aa99b120d2ce21c2244ca33210b20885c7fa

                • \Users\Admin\AppData\Local\Temp\IXP003.TMP\m4012392.exe
                  Filesize

                  140KB

                  MD5

                  9ee79745f1bd3aec20c71e60cbe12907

                  SHA1

                  798d7fdd9bf1c6f6dac8d03091a481251ba55561

                  SHA256

                  9d02d0be0ac9910c9ff48448f92c0bbe88e3dd18f723d6f2af86195c6e7bd7fe

                  SHA512

                  af7cb654ad18a76e038ac5cd2a4c3c30a1bee0bef7b32ff15162339fd3b042d40e0f5bcd3b689c1103c393158522b5e108c27b10c65739ae24b04dbf5ffc3a60

                • memory/2996-61-0x0000000000A90000-0x0000000000AC0000-memory.dmp
                  Filesize

                  192KB

                • memory/2996-62-0x0000000000350000-0x0000000000356000-memory.dmp
                  Filesize

                  24KB