Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 20:26

General

  • Target

    b8f5f1b01e5195493c40fa2b41018c5cf332dd9f247b54f4c1d1fc073fd5fa2b.exe

  • Size

    723KB

  • MD5

    eee23f763f055695fee6e180cae79cd7

  • SHA1

    6878678daedc47891ef516081bcba51da4c4c5ca

  • SHA256

    b8f5f1b01e5195493c40fa2b41018c5cf332dd9f247b54f4c1d1fc073fd5fa2b

  • SHA512

    647d771ac03d3d4f100610ce5719d65cdf1f267282cc5d82711242a9d6146895665ea2a8b6db31dca534a14b5328f9b15c8a6d3faf9514b45f59d78ab5fe37f2

  • SSDEEP

    12288:SMroy902ZSLO0oo4DfosTEvUfpJMPcIUNCrYjn/amQ:GyFwCDFfoHvehjnSmQ

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

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

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8f5f1b01e5195493c40fa2b41018c5cf332dd9f247b54f4c1d1fc073fd5fa2b.exe
    "C:\Users\Admin\AppData\Local\Temp\b8f5f1b01e5195493c40fa2b41018c5cf332dd9f247b54f4c1d1fc073fd5fa2b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1336475.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1336475.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7251993.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7251993.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4276
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9120678.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9120678.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4468
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2725233.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2725233.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1288
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b3590451.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b3590451.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2232
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4716
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 148
              6⤵
              • Program crash
              PID:3148
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9698670.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9698670.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2232 -ip 2232
    1⤵
      PID:3896

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1336475.exe
      Filesize

      523KB

      MD5

      3184c31437f8a33367797c927d275b1b

      SHA1

      06de303e77935d3559a845c1b60d87dfee51f81b

      SHA256

      921d194959eeee2e4ea3398eb8cc0c8ab3f4e0103b066a3c5b461db293994f4e

      SHA512

      3711013647d8d97ee0e7e3bf33b6af73eb959fbe82290ef4cc020703abc939729749ebbf614c0af0c1517de1c93743b0f7e61fd3d98d6e336a0c636168184b10

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1336475.exe
      Filesize

      523KB

      MD5

      3184c31437f8a33367797c927d275b1b

      SHA1

      06de303e77935d3559a845c1b60d87dfee51f81b

      SHA256

      921d194959eeee2e4ea3398eb8cc0c8ab3f4e0103b066a3c5b461db293994f4e

      SHA512

      3711013647d8d97ee0e7e3bf33b6af73eb959fbe82290ef4cc020703abc939729749ebbf614c0af0c1517de1c93743b0f7e61fd3d98d6e336a0c636168184b10

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7251993.exe
      Filesize

      351KB

      MD5

      37218486487a22032c86ef482f41c612

      SHA1

      020e45c5927b2a91d8a6bf667156e5c49632ceab

      SHA256

      653390bd32ea903630fec6f5ae96b6e2553c03889056f64c3a50ea1d132f4b5b

      SHA512

      d6d59f1607e136ec7eccef1393574b9c6a818f21af7b3ca228288488bdff7e4e81d507e0aa1160913cf44651c23c0c4fb5f69b18c5f21af2628e51478e3a6705

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7251993.exe
      Filesize

      351KB

      MD5

      37218486487a22032c86ef482f41c612

      SHA1

      020e45c5927b2a91d8a6bf667156e5c49632ceab

      SHA256

      653390bd32ea903630fec6f5ae96b6e2553c03889056f64c3a50ea1d132f4b5b

      SHA512

      d6d59f1607e136ec7eccef1393574b9c6a818f21af7b3ca228288488bdff7e4e81d507e0aa1160913cf44651c23c0c4fb5f69b18c5f21af2628e51478e3a6705

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9698670.exe
      Filesize

      172KB

      MD5

      9990f8d60c6f986bc6e676d81a266aa8

      SHA1

      d85b6735389ad9d8856956ec443ccdd94caf1409

      SHA256

      117111cd6197ea86348aa82a76cccc4bbca1d34ff60fd3edcf3b8fa87b2025e7

      SHA512

      0cdfb0415b4bc77b0ddde7556aeb2cc94ec3e0d8b0fe13e6aa831e463c7a9cd2709e1575fb068a85ab3e56b63df83eef1f3c743a2528d3e2ff7630d6ebf9d303

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9698670.exe
      Filesize

      172KB

      MD5

      9990f8d60c6f986bc6e676d81a266aa8

      SHA1

      d85b6735389ad9d8856956ec443ccdd94caf1409

      SHA256

      117111cd6197ea86348aa82a76cccc4bbca1d34ff60fd3edcf3b8fa87b2025e7

      SHA512

      0cdfb0415b4bc77b0ddde7556aeb2cc94ec3e0d8b0fe13e6aa831e463c7a9cd2709e1575fb068a85ab3e56b63df83eef1f3c743a2528d3e2ff7630d6ebf9d303

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9120678.exe
      Filesize

      196KB

      MD5

      d922678dd560542bd3c4c46ab1e09db6

      SHA1

      e2e132b24b420b96b663de87f21f5271ce4845e6

      SHA256

      aa60bf1d537c3b590f3c703c50c6e29f8780ebd5b9cbb952382781f4d753ece5

      SHA512

      b03a0fdb7dde6345a9b114f331402fc37955de462aa694f4c5572f03f3bd424c60e6ca3ba740e060e2425badb4466a83c1e2c18ff517fee89b0db0bebd6500b2

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9120678.exe
      Filesize

      196KB

      MD5

      d922678dd560542bd3c4c46ab1e09db6

      SHA1

      e2e132b24b420b96b663de87f21f5271ce4845e6

      SHA256

      aa60bf1d537c3b590f3c703c50c6e29f8780ebd5b9cbb952382781f4d753ece5

      SHA512

      b03a0fdb7dde6345a9b114f331402fc37955de462aa694f4c5572f03f3bd424c60e6ca3ba740e060e2425badb4466a83c1e2c18ff517fee89b0db0bebd6500b2

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2725233.exe
      Filesize

      14KB

      MD5

      35688b7743671b5f5dc8b97fdd2a82db

      SHA1

      b3195404dc52768194d613f83cd44a217f7a5619

      SHA256

      442f066bd5316a045cc2555261a258c592d0ae43651e6287b6fec3be25df160a

      SHA512

      a8f626c9685b6ae6d85e4461a297244c14894619fa6d06d83cf6e261397c0b8061b8a0effb6c35478d34a4b68296ea6a97b2b6cf1b67b2f9da19718d8a29fcb7

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2725233.exe
      Filesize

      14KB

      MD5

      35688b7743671b5f5dc8b97fdd2a82db

      SHA1

      b3195404dc52768194d613f83cd44a217f7a5619

      SHA256

      442f066bd5316a045cc2555261a258c592d0ae43651e6287b6fec3be25df160a

      SHA512

      a8f626c9685b6ae6d85e4461a297244c14894619fa6d06d83cf6e261397c0b8061b8a0effb6c35478d34a4b68296ea6a97b2b6cf1b67b2f9da19718d8a29fcb7

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b3590451.exe
      Filesize

      100KB

      MD5

      f28662e6c9dee6cb0f883c29a6288408

      SHA1

      210e7662ebdb82fb0fd5a115d829ed846b0bef63

      SHA256

      77f9e7763315d972894ce45e586265d00bdd41dcccbf6f97fc60fde6f78e805a

      SHA512

      a18ac150c46c9a94a3c91c4e4aa947b2a862fbdbb01e997f9abaf8e01271016852e174f27941183d98a9940cdf7cea693baab59c5b24a916d7e04dde53ba7e42

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b3590451.exe
      Filesize

      100KB

      MD5

      f28662e6c9dee6cb0f883c29a6288408

      SHA1

      210e7662ebdb82fb0fd5a115d829ed846b0bef63

      SHA256

      77f9e7763315d972894ce45e586265d00bdd41dcccbf6f97fc60fde6f78e805a

      SHA512

      a18ac150c46c9a94a3c91c4e4aa947b2a862fbdbb01e997f9abaf8e01271016852e174f27941183d98a9940cdf7cea693baab59c5b24a916d7e04dde53ba7e42

    • memory/1288-161-0x00000000006B0000-0x00000000006BA000-memory.dmp
      Filesize

      40KB

    • memory/2392-175-0x0000000000050000-0x0000000000080000-memory.dmp
      Filesize

      192KB

    • memory/2392-181-0x000000000A280000-0x000000000A2F6000-memory.dmp
      Filesize

      472KB

    • memory/2392-176-0x000000000A4D0000-0x000000000AAE8000-memory.dmp
      Filesize

      6.1MB

    • memory/2392-177-0x0000000009FD0000-0x000000000A0DA000-memory.dmp
      Filesize

      1.0MB

    • memory/2392-178-0x0000000009F10000-0x0000000009F22000-memory.dmp
      Filesize

      72KB

    • memory/2392-179-0x0000000009F70000-0x0000000009FAC000-memory.dmp
      Filesize

      240KB

    • memory/2392-180-0x0000000004920000-0x0000000004930000-memory.dmp
      Filesize

      64KB

    • memory/2392-189-0x0000000004920000-0x0000000004930000-memory.dmp
      Filesize

      64KB

    • memory/2392-182-0x000000000A3A0000-0x000000000A432000-memory.dmp
      Filesize

      584KB

    • memory/2392-183-0x000000000A300000-0x000000000A366000-memory.dmp
      Filesize

      408KB

    • memory/2392-184-0x000000000B4A0000-0x000000000BA44000-memory.dmp
      Filesize

      5.6MB

    • memory/2392-186-0x000000000B180000-0x000000000B342000-memory.dmp
      Filesize

      1.8MB

    • memory/2392-187-0x000000000BF80000-0x000000000C4AC000-memory.dmp
      Filesize

      5.2MB

    • memory/2392-188-0x000000000B0A0000-0x000000000B0F0000-memory.dmp
      Filesize

      320KB

    • memory/4716-167-0x00000000001C0000-0x00000000001CA000-memory.dmp
      Filesize

      40KB