Analysis

  • max time kernel
    132s
  • max time network
    150s
  • 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 10:41

General

  • Target

    cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe

  • Size

    472KB

  • MD5

    73226cef261047b9f5a26941e5920b52

  • SHA1

    2e9a5926e0fc548f3fe87cc58636259ac3a8df0d

  • SHA256

    cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167

  • SHA512

    51b2f21904d4c44b67049ee39d182cd97a48a860b2249cc751083545dcd9abcb6a7c33f1ca842cdd26197c7b983cceca3fb552ac02f0fdcde3e37a0179c88ef6

  • SSDEEP

    12288:wMrzy904y2y+mADy5XW1WpAa+n3l9b3E8IhD9FJthS2R+MJ:Tyxy2y5AH18H+3DDE8IbHSwt

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\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe
    "C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe

    Filesize

    202KB

    MD5

    bc799b3aaeafb433461da657971a1822

    SHA1

    6e44c378f0f343da3cda52272e44220d4613608c

    SHA256

    12b6b8ab3b576bb2d6c6e6dad7e8715ebf54683e2c1ef6852c8caebabba69c50

    SHA512

    e64c17f47ed1f99152c80ebe3ce2f38f8e516546caa9a24313dc2fa46aa16e6e99da81ba051f98840716588d00bbbc7455d3938ad788d3aeba227c7ec1186d85

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe

    Filesize

    175KB

    MD5

    da6f3bef8abc85bd09f50783059964e3

    SHA1

    a0f25f60ec1896c4c920ea397f40e6ce29724322

    SHA256

    e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

    SHA512

    4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

  • memory/1172-14-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/1172-15-0x00000000000E0000-0x0000000000112000-memory.dmp

    Filesize

    200KB

  • memory/1172-16-0x0000000005030000-0x0000000005648000-memory.dmp

    Filesize

    6.1MB

  • memory/1172-17-0x0000000004BB0000-0x0000000004CBA000-memory.dmp

    Filesize

    1.0MB

  • memory/1172-18-0x0000000004AE0000-0x0000000004AF2000-memory.dmp

    Filesize

    72KB

  • memory/1172-19-0x0000000004B60000-0x0000000004B9C000-memory.dmp

    Filesize

    240KB

  • memory/1172-20-0x0000000004B00000-0x0000000004B4C000-memory.dmp

    Filesize

    304KB

  • memory/1172-21-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB