Analysis

  • max time kernel
    146s
  • max time network
    160s
  • 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 19:04

General

  • Target

    ba6bca4989ecb1792e703ed9fe411faf649a4dcb4d05d319ac2678201fd51871.exe

  • Size

    769KB

  • MD5

    eeec40b56c7b6d71e6358b192d6014ea

  • SHA1

    e84410a95d5ee36604cefcb9c1f2131e6f2fdb30

  • SHA256

    ba6bca4989ecb1792e703ed9fe411faf649a4dcb4d05d319ac2678201fd51871

  • SHA512

    c4b4029b9a8d3897e4cde70b08848db822c22b3dd6cee1430c51775723fae43fa42c4f21ebb51c8a26a91cd303f09b7641c3e2c0710b9ef7a64d56f8d2f84466

  • SSDEEP

    12288:EMrqy90Q6rN3FQYzBc1j0wEP3FqbRG9RvhejcxWvDxh0cN3dbzap6Fk66pz7fbdt:OysHQ2Bc1jfM2DD1XbzMek6adt

Malware Config

Extracted

Family

redline

Botnet

kinza

C2

77.91.124.86:19084

Signatures

  • Detect Mystic stealer payload 4 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 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba6bca4989ecb1792e703ed9fe411faf649a4dcb4d05d319ac2678201fd51871.exe
    "C:\Users\Admin\AppData\Local\Temp\ba6bca4989ecb1792e703ed9fe411faf649a4dcb4d05d319ac2678201fd51871.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ed2Tf1HK.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ed2Tf1HK.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1lD37FZ3.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1lD37FZ3.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1456
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:3204
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 540
              5⤵
              • Program crash
              PID:4004
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 572
            4⤵
            • Program crash
            PID:2444
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2OV204LT.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2OV204LT.exe
          3⤵
          • Executes dropped EXE
          PID:4648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3204 -ip 3204
      1⤵
        PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1456 -ip 1456
        1⤵
          PID:1412
        • 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=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:3824

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ed2Tf1HK.exe

            Filesize

            573KB

            MD5

            acd2429173096a7f9f51a06f57949ba0

            SHA1

            abad9dea3d1680c5ccb587843e594f61add88153

            SHA256

            c65106e265e3bf05f2085634f891d46cad67eb335cd0afeadb8f982902f2860c

            SHA512

            409f4fe3b94c7e39a9321fe9699cd8c80fe2583b5c1036be543f4efe2ae2045f5653fff5f79a856288fce900b857ce4f11186828920dfaf10868a3ce16d64eb0

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1lD37FZ3.exe

            Filesize

            1.1MB

            MD5

            c8aecb8d6bbe196e860d63eb69f76265

            SHA1

            be6a6abb8c3b5e632b721d26a9fb40d531220fd2

            SHA256

            5e81b717e25ec26d38e98dda09476a083f8df44a996730bc6911411e6d4fc371

            SHA512

            fa24dafc07cb9cc71ba5744e676d6eb7f923be096639b3b692aafe2879795c208629af54edfaa8281c23af630a34c2e63574b6ea1822c5af094503b4270a8f6c

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2OV204LT.exe

            Filesize

            223KB

            MD5

            cef356684cf562b1f06ed37e9c087574

            SHA1

            245dd6099aefe31599b52efc88977c392662e2ef

            SHA256

            14d07eff82ff0bf2f4d532c84e941e8d828a14e57292348db6fd7322907885e7

            SHA512

            a00db02ef155c2e1b6ba041c56965b8be24d49cbb87a8d3c0e10fd177a1943073f39c300b2632b339b0bdb7dab8407246e3be9a004cf083dbcd10a1712f75067

          • memory/3204-14-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/3204-15-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/3204-18-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/3204-17-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4648-23-0x00000000079B0000-0x0000000007F54000-memory.dmp

            Filesize

            5.6MB

          • memory/4648-22-0x00000000006D0000-0x000000000070E000-memory.dmp

            Filesize

            248KB

          • memory/4648-24-0x00000000074A0000-0x0000000007532000-memory.dmp

            Filesize

            584KB

          • memory/4648-25-0x0000000007640000-0x000000000764A000-memory.dmp

            Filesize

            40KB

          • memory/4648-26-0x0000000008580000-0x0000000008B98000-memory.dmp

            Filesize

            6.1MB

          • memory/4648-27-0x0000000007F60000-0x000000000806A000-memory.dmp

            Filesize

            1.0MB

          • memory/4648-28-0x0000000005010000-0x0000000005022000-memory.dmp

            Filesize

            72KB

          • memory/4648-29-0x00000000076A0000-0x00000000076DC000-memory.dmp

            Filesize

            240KB

          • memory/4648-30-0x0000000007830000-0x000000000787C000-memory.dmp

            Filesize

            304KB