Analysis

  • max time kernel
    105s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 05:55

General

  • Target

    9efd7344a1d8e914bdd2e4052308de3427bd77dd05207b619ce4760a4acc6c0aN.exe

  • Size

    478KB

  • MD5

    72c7ac8a4b48c162659285df0e02f500

  • SHA1

    a4ca273438d5a8dd414c3968d3ae777d0fea2850

  • SHA256

    9efd7344a1d8e914bdd2e4052308de3427bd77dd05207b619ce4760a4acc6c0a

  • SHA512

    2dacdba87bceeeea977eafb3580075ddd249ba3c24000aa5990827982ff4c044ca679a62c0f3ee8511bfde94bd7f245282a6ceb3d437e58abfb4605d57c40819

  • SSDEEP

    6144:KQy+bnr+up0yN90QEfz+MDRWWnvGmoSY9MYIDHx7LMdk4q9tBFFEB1IR6NArllOc:UMrGy90xz+WRcIDHx7LZF+58t

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes
  • auth_value

    a08b2f01bd2af756e38c5dd60e87e697

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\9efd7344a1d8e914bdd2e4052308de3427bd77dd05207b619ce4760a4acc6c0aN.exe
    "C:\Users\Admin\AppData\Local\Temp\9efd7344a1d8e914bdd2e4052308de3427bd77dd05207b619ce4760a4acc6c0aN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsM35.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsM35.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjm52.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjm52.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsM35.exe

    Filesize

    202KB

    MD5

    de947540ea864821d2d5ec96cb1c064f

    SHA1

    e000ed4d3099310b7cde6b0fd77577348267186a

    SHA256

    dc3f106611d7ff5321de06e2582e90ddc258e691728f2437a77768626674f8e6

    SHA512

    ca87715ae55d7d44e1351ead4d34328d5f026423ee22b6278d1524867dd2af30296351818330676c95d0380e0c6563e62ac5ef4a5f57a876197c5ac87c6ce808

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjm52.exe

    Filesize

    175KB

    MD5

    da6f3bef8abc85bd09f50783059964e3

    SHA1

    a0f25f60ec1896c4c920ea397f40e6ce29724322

    SHA256

    e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

    SHA512

    4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

  • memory/4972-14-0x0000000073C2E000-0x0000000073C2F000-memory.dmp

    Filesize

    4KB

  • memory/4972-15-0x0000000000B10000-0x0000000000B42000-memory.dmp

    Filesize

    200KB

  • memory/4972-16-0x0000000005AA0000-0x00000000060B8000-memory.dmp

    Filesize

    6.1MB

  • memory/4972-17-0x00000000055F0000-0x00000000056FA000-memory.dmp

    Filesize

    1.0MB

  • memory/4972-18-0x0000000005520000-0x0000000005532000-memory.dmp

    Filesize

    72KB

  • memory/4972-19-0x0000000005580000-0x00000000055BC000-memory.dmp

    Filesize

    240KB

  • memory/4972-20-0x0000000005700000-0x000000000574C000-memory.dmp

    Filesize

    304KB

  • memory/4972-21-0x0000000073C2E000-0x0000000073C2F000-memory.dmp

    Filesize

    4KB