Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 17:26

General

  • Target

    aa524ac0a848432537ae785725900e93cb6140ebd8edeace3fe041dd64b93f07.exe

  • Size

    1.2MB

  • MD5

    f82666906b563093e7d9151ae07c8201

  • SHA1

    f063119adddd1ebf6b9bc1034032e446195d936d

  • SHA256

    aa524ac0a848432537ae785725900e93cb6140ebd8edeace3fe041dd64b93f07

  • SHA512

    5ba83af323bf600485465ff2b23ea47b2c288f6a8d78353d7531d3c79589e24677a45b79c5278379c078c0add0dd81e44d7bb1250d9b1678ff1340dea3f06ded

  • SSDEEP

    24576:Byu8LIM5kNQegrBPVd4y0P6i5cW0tgsaeA9QVL6E3KpZx:0u1M5km9rHd4vPtZla32H

Malware Config

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 3 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 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa524ac0a848432537ae785725900e93cb6140ebd8edeace3fe041dd64b93f07.exe
    "C:\Users\Admin\AppData\Local\Temp\aa524ac0a848432537ae785725900e93cb6140ebd8edeace3fe041dd64b93f07.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xm7Sx9Af.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xm7Sx9Af.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hV1Il4hS.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hV1Il4hS.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4932
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jr1ou6oa.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jr1ou6oa.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\WZ5GN2Qv.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\WZ5GN2Qv.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:3028
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gT08Rm5.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gT08Rm5.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:344
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:1332
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  7⤵
                    PID:4272
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 616
                    7⤵
                    • Program crash
                    PID:812
                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Og559Kj.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Og559Kj.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 344 -ip 344
        1⤵
          PID:1248

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xm7Sx9Af.exe

          Filesize

          1.0MB

          MD5

          cefeefe958b235d37ba19f6b8ce0c173

          SHA1

          86fb73886631a17aa013064fa51fdaa702128ef8

          SHA256

          23f52a948bd1538451e97eaa93e3f4bd737e57bd0d59a66291bbbd469ea0ef39

          SHA512

          22c31d95bacba1842789c09eb8f1672fb63bb06e45e50ad38160f62d67d1caac8f742ad5529b51ab8b39f70183a85ee545dd7c85fcaf33023be5278274a861c6

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hV1Il4hS.exe

          Filesize

          883KB

          MD5

          fcb186ee4650d49e97258fe485fd0f94

          SHA1

          402dcac85eaced639ab4caa9dcd71dbc4a4107ed

          SHA256

          d41c353fe3cd0e3db18706b667d55a80112d348f640f6ddf52be7208b6382fe2

          SHA512

          409bc8aa18af0ca780943fbf81379cc49374d7e0a4cfa2bfd102d8edb14855fddcb56b7afa375e5500a69959055c0aaeabaca960ff6bb27de56fe85cda4433c3

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jr1ou6oa.exe

          Filesize

          590KB

          MD5

          5b82105a37717dc9f031b5ef3ffedfa1

          SHA1

          e54ef5346db3a530c1acf517f9730bad2fe48c55

          SHA256

          4ee78e99199efa6235bb094651706eaea5f72f6ddab1fab1b4e7fa7c068738d0

          SHA512

          c0b0facef771da19994f8c15a751581bd1ad9fb40d346dc7ecf2588f2b5b85eaa31653931f8cd15b17aa833f49462496b2cedf67d58ed1219f045d95d79d0829

        • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\WZ5GN2Qv.exe

          Filesize

          417KB

          MD5

          f66d330f6c4021e92acd6320a67298b8

          SHA1

          0c0b45e550ff7dc244546f86a9b062012424a596

          SHA256

          1ccb4ce95194de1d91357d0d1742105bb681d953f6f6d76e80d444e376e90c72

          SHA512

          5d28d1f553de8c47b3626295b803131b6a3e6e778ce7aa9cdd6991d91448f3c7cdc2a54cd4080f8af2788c74cbf1caaf99ba968f7a82aeab9b6882765f8ffd57

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gT08Rm5.exe

          Filesize

          378KB

          MD5

          5298a2e202fb71f65065c95782eebd9b

          SHA1

          a98a5b1bd08605852d24d5152c37997a7a43ac34

          SHA256

          62c73785b22c56a2b0a1b42101a329eeba4a4b3c59b0746a4b4416e4971b2bf2

          SHA512

          350294ae1214bc08262ab017c9fd8bf48d56672dfe77f6928232328c9e1d49f9c5c16de006a8b539d25fceebfe308f598a47519f08b8bc0aeeb6bc852addf7e1

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Og559Kj.exe

          Filesize

          231KB

          MD5

          f60fb3c66f7a0ea3d638f88963d654ef

          SHA1

          5cd46229743a713b711e5c528b68f9ee2044b521

          SHA256

          4c430e77858f4b7c738b3ebef1075c39f6f6102bbd2421d0a4ddedce7d9cbb69

          SHA512

          1f6ecb64756b6c4cbfd1550569ecd15230fe6f0ce3679f1d71171ba8d042c9eb581590f22aacc938b9d631bddbccb2c6dccebf3080350343765d1124c9b7894f

        • memory/1412-42-0x0000000000B30000-0x0000000000B6E000-memory.dmp

          Filesize

          248KB

        • memory/1412-43-0x0000000007E60000-0x0000000008404000-memory.dmp

          Filesize

          5.6MB

        • memory/1412-44-0x0000000007950000-0x00000000079E2000-memory.dmp

          Filesize

          584KB

        • memory/1412-45-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

          Filesize

          40KB

        • memory/1412-46-0x0000000008A30000-0x0000000009048000-memory.dmp

          Filesize

          6.1MB

        • memory/1412-47-0x0000000007C50000-0x0000000007D5A000-memory.dmp

          Filesize

          1.0MB

        • memory/1412-48-0x0000000007AE0000-0x0000000007AF2000-memory.dmp

          Filesize

          72KB

        • memory/1412-49-0x0000000007B80000-0x0000000007BBC000-memory.dmp

          Filesize

          240KB

        • memory/1412-50-0x0000000007BC0000-0x0000000007C0C000-memory.dmp

          Filesize

          304KB

        • memory/4272-37-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/4272-38-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/4272-35-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB