Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:20

General

  • Target

    8b460dc8cc01a4935d8fd4d2c0274d449f186cacf64dabc12c6b9b32c1b3de29.exe

  • Size

    1.0MB

  • MD5

    6f6fa83bd35311c3f78ff4d29d1e8117

  • SHA1

    1c261d1ed4efb7c407ed76784b008e04f49b3598

  • SHA256

    8b460dc8cc01a4935d8fd4d2c0274d449f186cacf64dabc12c6b9b32c1b3de29

  • SHA512

    e4326312e9c0e5b6c36a8715cd55ce6ee87fbc2f28455c4d0f11dd620a999a935fb4ad03872aed880f142fe00757d851f56295bd2c96f0b725d6b42ba4fd6e66

  • SSDEEP

    24576:EyyE63fdNtHwmIFlkWqno9rno4MBdTyaUPR12jpUF:TypFNtQmWqsh2dGdZ13

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.

  • Detect Mystic stealer payload 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 11 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 5 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b460dc8cc01a4935d8fd4d2c0274d449f186cacf64dabc12c6b9b32c1b3de29.exe
    "C:\Users\Admin\AppData\Local\Temp\8b460dc8cc01a4935d8fd4d2c0274d449f186cacf64dabc12c6b9b32c1b3de29.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5360701.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5360701.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1708469.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1708469.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5283722.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5283722.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z2036953.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z2036953.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:3448
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5079007.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5079007.exe
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Executes dropped EXE
              • Windows security modification
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3440
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r1778403.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r1778403.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:4416
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
                7⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4712
                • 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
                  8⤵
                  • Creates scheduled task(s)
                  PID:3176
                • 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
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2856
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    9⤵
                      PID:400
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:N"
                      9⤵
                        PID:4032
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "saves.exe" /P "Admin:R" /E
                        9⤵
                          PID:4696
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                          9⤵
                            PID:4388
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:N"
                            9⤵
                              PID:4392
                            • C:\Windows\SysWOW64\cacls.exe
                              CACLS "..\b40d11255d" /P "Admin:R" /E
                              9⤵
                                PID:556
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s0222944.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s0222944.exe
                        5⤵
                        • Executes dropped EXE
                        PID:4152
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\t2809250.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\t2809250.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4528
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:212
              • 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 --mojo-platform-channel-handle=4264 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3136
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4608

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5360701.exe

                  Filesize

                  931KB

                  MD5

                  3775f829d1cc599b41b24ab92b8a48f1

                  SHA1

                  7891e6c04160af42b9aec5042089e8226e7dd819

                  SHA256

                  31b6bb35984382e8174886cd6194ec7711e9a665b453e30efaf41e4280ef3f82

                  SHA512

                  412ff7b4e7bbbadf00a78c9d710da7dc78dd400ebc45aebb6a8a890cf85d0f51865f890bd114ede37bb15ebe22c2604992cbc2c2fc9ad3678dcaa1dbdfdd95b4

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1708469.exe

                  Filesize

                  706KB

                  MD5

                  d77462ca803076ffe8c5c3a05f282797

                  SHA1

                  7ea4dc46f18421d058575b6f7c7ea2062b33625d

                  SHA256

                  d91a7a4aff3cf9cd085253704b46cf3a90ec13a38d74f68d34ca5aec7bf8bb91

                  SHA512

                  3d772bce807474c3d70d8c22d135923af870746f1e08577ea00e0f9cb8c6a05deabad9b86c33de2642e61a9abac046175139e75cf1d359c7c859545ed2395816

                • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\t2809250.exe

                  Filesize

                  173KB

                  MD5

                  1941740d8804f18df66cccc6ba9df8ca

                  SHA1

                  d057a7277640b8de39b1a142050ae735425c18a0

                  SHA256

                  f7c6509cb5e52be2c60c6894d7eac6d20231273834b06a03f317eb935ea91767

                  SHA512

                  48a1a44f02888078a4440de4f0ed9ced55b2b36b39e6ab487c04926aa1c40d498f69e0fbcb2aa58f6c39e7ebe15b1b7de702824d4361cc7e4fb8a2ebf71e6be7

                • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5283722.exe

                  Filesize

                  550KB

                  MD5

                  e9c7ca9876e3171377c2a1eef98fd93d

                  SHA1

                  4ae7a5ebd1e1f5ac5d7fca0ed0088537bfd1c9a3

                  SHA256

                  b48e9739bb813e8dfb34785463e6b82e3dbdabcbe3b7717f175931cf7840a468

                  SHA512

                  86028ceaa16191fbf26c4fee60c2b57bcddab428fb4042c9101bd9523e4d55dea55a0d2d99d507ffb1c107d8e9ea45fc937ef76d9780b00c72571176f65a6710

                • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s0222944.exe

                  Filesize

                  141KB

                  MD5

                  302789c3e287939e16689820bc63c54a

                  SHA1

                  911ceca379e0d501e30e1801e0619bde06316ac7

                  SHA256

                  de4f554b7edd3c86a5496b91ab9a2e9b82f48117cbc5a0cdb877d5c2fb98ae20

                  SHA512

                  8e11e440c0acd367f58efa77aa2a97da40dc7be81c2506b2b5724de6c4d1dbcedb3bf0720076ded540407d70e68eb26ab08f5c25b48a04181cbd944f5be287d3

                • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z2036953.exe

                  Filesize

                  384KB

                  MD5

                  ed418e6d351c2a9575309e7ef8f602aa

                  SHA1

                  de1bbe74fd1debc8204233a830654c0211afb4e5

                  SHA256

                  c407a0dc77da6a3091d7be5498158e8eeb0f7eac17cfa26b2a6b7bf0ea61a85e

                  SHA512

                  7bfa1dbbe13a75671550ad30e081636d69c1592fd55439eed54f231335038a11b3583cd68618372d9daf79a57d6c8cc29d8743e97819538c44a3735faf3945fc

                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5079007.exe

                  Filesize

                  185KB

                  MD5

                  79f358a075289df05c79f515f8169bda

                  SHA1

                  8d22bf836d7ac869ec0bd2f6f164b430c3a1e81e

                  SHA256

                  88a6bfb2159550d3737073fa3fe6aa52a9c3a0d287faa1c04b2135be5d903ec5

                  SHA512

                  5fe865bfbfbc04c1df735f777a3bb94896a924eb461f942271183cbdde877c8f5eb4b6f7f36e68c8fd33532e99c9f923347c8c7988cb2bbde7d3b132a73e1518

                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r1778403.exe

                  Filesize

                  335KB

                  MD5

                  72ad8f0bb261d256abff8afc7617304c

                  SHA1

                  54d616c1051cceb8b5c11cc2cce1ce98d7363cb8

                  SHA256

                  102d484f486fcaedef53ef16b93c84f049512855e46489498c6abc2893163535

                  SHA512

                  fa00f6417e2ea3c197777afc016a72cc56b0557e40a9eca2ee05575d43fb7ba17832a004a9d72e0f4741a1bdd1b29bbb4d218ebba6bd9887ab23f145f567e182

                • memory/3440-46-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-39-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-63-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-61-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-59-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-57-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-53-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-51-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-49-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-48-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-43-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-41-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-55-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-65-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-38-0x0000000004990000-0x00000000049A6000-memory.dmp

                  Filesize

                  88KB

                • memory/3440-37-0x0000000004990000-0x00000000049AC000-memory.dmp

                  Filesize

                  112KB

                • memory/3440-36-0x0000000004A90000-0x0000000005034000-memory.dmp

                  Filesize

                  5.6MB

                • memory/3440-35-0x0000000002040000-0x000000000205E000-memory.dmp

                  Filesize

                  120KB

                • memory/4528-85-0x0000000000080000-0x00000000000B0000-memory.dmp

                  Filesize

                  192KB

                • memory/4528-86-0x0000000002220000-0x0000000002226000-memory.dmp

                  Filesize

                  24KB

                • memory/4528-87-0x0000000004FD0000-0x00000000055E8000-memory.dmp

                  Filesize

                  6.1MB

                • memory/4528-88-0x0000000004AD0000-0x0000000004BDA000-memory.dmp

                  Filesize

                  1.0MB

                • memory/4528-89-0x0000000004A00000-0x0000000004A12000-memory.dmp

                  Filesize

                  72KB

                • memory/4528-90-0x0000000004A60000-0x0000000004A9C000-memory.dmp

                  Filesize

                  240KB

                • memory/4528-91-0x0000000004BE0000-0x0000000004C2C000-memory.dmp

                  Filesize

                  304KB