Analysis

  • max time kernel
    106s
  • max time network
    114s
  • 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 12:19

General

  • Target

    3a1edbef555c5ce3766518f0a6f40e59bee869894abe027b4555bf0342521bdfN.exe

  • Size

    202KB

  • MD5

    bfc4502948ae341d9a3f9cc2e2ba8f10

  • SHA1

    b5a7b1cb11cd4e5fea9157f59ea9ca84247eb3e4

  • SHA256

    3a1edbef555c5ce3766518f0a6f40e59bee869894abe027b4555bf0342521bdf

  • SHA512

    c4ff48cab682a6711408c6e383a65d44d24e2d12afcd87dd75b63e2dab35c1a15ac0693914bc8d99a42c10ff3c442a388336df0414678df3c0c7ed8dcf101829

  • SSDEEP

    3072:KBy+bnr+O1M5GWp1icKAArDZz4N9GhbkrNEk6IzacxnZSxZ5dnlYD:KBy+bnr+zp0yN90QESzZxnZSxZ3i

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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a1edbef555c5ce3766518f0a6f40e59bee869894abe027b4555bf0342521bdfN.exe
    "C:\Users\Admin\AppData\Local\Temp\3a1edbef555c5ce3766518f0a6f40e59bee869894abe027b4555bf0342521bdfN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bKb33.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bKb33.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bKb33.exe

    Filesize

    175KB

    MD5

    da6f3bef8abc85bd09f50783059964e3

    SHA1

    a0f25f60ec1896c4c920ea397f40e6ce29724322

    SHA256

    e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

    SHA512

    4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

  • memory/4420-7-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

    Filesize

    4KB

  • memory/4420-8-0x00000000008A0000-0x00000000008D2000-memory.dmp

    Filesize

    200KB

  • memory/4420-9-0x0000000005800000-0x0000000005E18000-memory.dmp

    Filesize

    6.1MB

  • memory/4420-10-0x0000000005380000-0x000000000548A000-memory.dmp

    Filesize

    1.0MB

  • memory/4420-11-0x00000000052B0000-0x00000000052C2000-memory.dmp

    Filesize

    72KB

  • memory/4420-12-0x0000000005310000-0x000000000534C000-memory.dmp

    Filesize

    240KB

  • memory/4420-13-0x0000000005490000-0x00000000054DC000-memory.dmp

    Filesize

    304KB

  • memory/4420-14-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

    Filesize

    4KB