Analysis

  • max time kernel
    142s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 11:25

General

  • Target

    a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe

  • Size

    316KB

  • MD5

    78c5fed6720bb71a532cfc30f99a1ae3

  • SHA1

    de307b619e6e40f9ebea86a79fd3af1b6d8f02d3

  • SHA256

    a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff

  • SHA512

    34cff8dac371277878e88971060be5df1ab7c51fa829f91ba09dba1f5e8dc119b466aba95586fd25d589f61c054f6d434a8b09176006a6a6e3e4257c70dcc5ce

  • SSDEEP

    6144:Kyy+bnr+Bp0yN90QEo6vZrMgXGma0+qSNF1liCHpDZ7E:GMrVy90SmNRGfNLpe

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.75:4132

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe
    "C:\Users\Admin\AppData\Local\Temp\a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2051526.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2051526.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8991923.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8991923.exe
      2⤵
      • Executes dropped EXE
      PID:3140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2051526.exe

    Filesize

    184KB

    MD5

    d4c640fb500618ad6c9fc5fe7d3e784d

    SHA1

    850df0880e1685ce709b44afbbb365cab4f0fec4

    SHA256

    a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

    SHA512

    a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8991923.exe

    Filesize

    168KB

    MD5

    451663ed9afb726647c8db185da671ff

    SHA1

    5af25150891354f29a6ce1dd63609d2603adde60

    SHA256

    cf2e3d105554107c3585dc9540ab6f27b2ab98297c4c9076510e29da174dc50c

    SHA512

    8edada9a79d5b8229ca218dbcfe01267a766dc653bc855e39952dadcd97de534db61717f8f17661ab51b050517fb3d4b0d3e8464f73a1296b4e66c452d3fa2da

  • memory/1608-32-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-28-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-10-0x00000000049B0000-0x0000000004F54000-memory.dmp

    Filesize

    5.6MB

  • memory/1608-38-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-12-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-40-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-8-0x00000000022C0000-0x00000000022DE000-memory.dmp

    Filesize

    120KB

  • memory/1608-36-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-26-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-41-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-22-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-20-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-18-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-34-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-14-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-13-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-11-0x0000000004F60000-0x0000000004F7C000-memory.dmp

    Filesize

    112KB

  • memory/1608-9-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-16-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-30-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-24-0x0000000004F60000-0x0000000004F76000-memory.dmp

    Filesize

    88KB

  • memory/1608-43-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-7-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/3140-47-0x0000000000330000-0x000000000035E000-memory.dmp

    Filesize

    184KB

  • memory/3140-48-0x0000000074900000-0x00000000749AB000-memory.dmp

    Filesize

    684KB

  • memory/3140-49-0x00000000023D0000-0x00000000023D6000-memory.dmp

    Filesize

    24KB

  • memory/3140-50-0x00000000052B0000-0x00000000058C8000-memory.dmp

    Filesize

    6.1MB

  • memory/3140-51-0x0000000004DA0000-0x0000000004EAA000-memory.dmp

    Filesize

    1.0MB

  • memory/3140-52-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

    Filesize

    72KB

  • memory/3140-53-0x0000000074900000-0x00000000749AB000-memory.dmp

    Filesize

    684KB

  • memory/3140-54-0x0000000004D10000-0x0000000004D4C000-memory.dmp

    Filesize

    240KB

  • memory/3140-55-0x0000000004EB0000-0x0000000004EFC000-memory.dmp

    Filesize

    304KB

  • memory/3140-56-0x0000000074900000-0x00000000749AB000-memory.dmp

    Filesize

    684KB