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Analysis

  • max time kernel
    131s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 01:07

General

  • Target

    ef578a1308c42df1acddb595d1e389020004ed66759a67f96afee290015ff897.exe

  • Size

    477KB

  • MD5

    f6a97833be5957a763d3213a78e5f10f

  • SHA1

    f8671d44e9aa41a8f49b56dec11109c809f433ac

  • SHA256

    ef578a1308c42df1acddb595d1e389020004ed66759a67f96afee290015ff897

  • SHA512

    dc59df0f5069ece9c37528b8d7884d2995178d142175a7def0ba0039d5e27075a2adf736d541029af1eebefc5d729e45d0e7b05cc89b0a6fa747a1f9b0e454e6

  • SSDEEP

    6144:KXy+bnr+Rp0yN90QELHkHNTmH5IdYbwmBkGdZSQvbFqQf+rbSlJEkbB9ztPgT:NMr5y90xHmNTmH5GYEmhmkbreyFjYT

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef578a1308c42df1acddb595d1e389020004ed66759a67f96afee290015ff897.exe
    "C:\Users\Admin\AppData\Local\Temp\ef578a1308c42df1acddb595d1e389020004ed66759a67f96afee290015ff897.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnO96.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnO96.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXa14.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXa14.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnO96.exe

    Filesize

    202KB

    MD5

    a8ce92c4c0d5fb700b20a8153e0536b3

    SHA1

    acf25fdbb8c099deee14b8741ab3e0c6c15f27f9

    SHA256

    ebba1696a220b2fe29e538c26512ac6dbd7a580f0aceedafa42c15030e18ea52

    SHA512

    c74a61208762f5b3115c9a5acbf577cd58eba43302d43f614e979c1682b2d1316f8dbe911d67e97641bdd30305a80d37c540767d6b14231c5182dd1decd32bcb

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXa14.exe

    Filesize

    175KB

    MD5

    a5f5c5d6291c7ae9e1d1b7ed1e551490

    SHA1

    3d06413341893b838549939e15f8f1eec423d71a

    SHA256

    1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

    SHA512

    d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

  • memory/4088-14-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/4088-15-0x0000000000470000-0x00000000004A2000-memory.dmp

    Filesize

    200KB

  • memory/4088-16-0x00000000052B0000-0x00000000058C8000-memory.dmp

    Filesize

    6.1MB

  • memory/4088-17-0x0000000004E10000-0x0000000004F1A000-memory.dmp

    Filesize

    1.0MB

  • memory/4088-18-0x0000000004D40000-0x0000000004D52000-memory.dmp

    Filesize

    72KB

  • memory/4088-19-0x0000000004DA0000-0x0000000004DDC000-memory.dmp

    Filesize

    240KB

  • memory/4088-20-0x0000000004F20000-0x0000000004F6C000-memory.dmp

    Filesize

    304KB

  • memory/4088-21-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB