Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:13

General

  • Target

    8355a17b5fec607c779bf1f01bc6596fc82dd876042977ec7aba895db3f1faac.exe

  • Size

    309KB

  • MD5

    b9b102e068106e1bb5ee1ec690f7e363

  • SHA1

    0f162bff994a065fb08f224be4b5dc4eca2b73f9

  • SHA256

    8355a17b5fec607c779bf1f01bc6596fc82dd876042977ec7aba895db3f1faac

  • SHA512

    88aa7fb366e047aa081f60e457f39233e805459025119bc3e9826449fd7db155bba0db3c560272104342cd52ed8d5b8a79de589b4acbe9e99727df23a54c1870

  • SSDEEP

    6144:KDy+bnr+tp0yN90QE75F5OYc1u31g4TByMPCKIRuOJIk/:xMrZy90jxc1u31TTEPKqDb

Malware Config

Extracted

Family

redline

Botnet

mihan

C2

217.196.96.101:4132

Attributes
  • auth_value

    9a6a8fdae02ed7caa0a49a6ddc6d4520

Signatures

  • Detects Healer an antivirus disabler dropper 17 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • 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\8355a17b5fec607c779bf1f01bc6596fc82dd876042977ec7aba895db3f1faac.exe
    "C:\Users\Admin\AppData\Local\Temp\8355a17b5fec607c779bf1f01bc6596fc82dd876042977ec7aba895db3f1faac.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a0632699.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a0632699.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4640
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b0788774.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b0788774.exe
      2⤵
      • Executes dropped EXE
      PID:4212

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a0632699.exe
    Filesize

    180KB

    MD5

    2dfddd73d31864692324ceea8a7a4cb8

    SHA1

    c19a892523114d379f85e3286b0b69f97edc751e

    SHA256

    8fc6e05b5c0d6aa8430fc649542758d970226d8ff2b7ea0a67f9a00887321c77

    SHA512

    620e03d5824a660d2cbf72faab3f726cea4018dea1e45ce6d8e5fe0026d17f32fa87c52c012634ef37ea011af03089d3e0aa895c7aafa03465dabf614ff9f6d9

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b0788774.exe
    Filesize

    168KB

    MD5

    616457cb4f295e389a163df89bf8e73a

    SHA1

    3e08ef30cea049082d2d6d5ec3b1998aa8226fcf

    SHA256

    d75800d25073b6f917a3cdf5da958d90c5661346cb69208e62077313a766b871

    SHA512

    0325df9d40ecd2fc85daac95dd7bf443f3744119257ada5628107b4d74cc6a816e7a759c8f2813c78278f4ffdcf363f91b69feba02e99ab616e071751ba8e9b9

  • memory/4212-56-0x0000000073B40000-0x0000000073BEB000-memory.dmp
    Filesize

    684KB

  • memory/4212-50-0x00000000055E0000-0x0000000005BF8000-memory.dmp
    Filesize

    6.1MB

  • memory/4212-52-0x0000000005020000-0x0000000005032000-memory.dmp
    Filesize

    72KB

  • memory/4212-55-0x00000000050C0000-0x000000000510C000-memory.dmp
    Filesize

    304KB

  • memory/4212-53-0x0000000073B40000-0x0000000073BEB000-memory.dmp
    Filesize

    684KB

  • memory/4212-54-0x0000000005080000-0x00000000050BC000-memory.dmp
    Filesize

    240KB

  • memory/4212-51-0x0000000005110000-0x000000000521A000-memory.dmp
    Filesize

    1.0MB

  • memory/4212-49-0x0000000002750000-0x0000000002756000-memory.dmp
    Filesize

    24KB

  • memory/4212-48-0x0000000073B40000-0x0000000073BEB000-memory.dmp
    Filesize

    684KB

  • memory/4212-47-0x0000000000550000-0x0000000000580000-memory.dmp
    Filesize

    192KB

  • memory/4640-41-0x0000000073B90000-0x0000000074340000-memory.dmp
    Filesize

    7.7MB

  • memory/4640-43-0x0000000073B90000-0x0000000074340000-memory.dmp
    Filesize

    7.7MB

  • memory/4640-24-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-22-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-18-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-17-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-36-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-14-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-28-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-20-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-13-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-26-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-30-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-32-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-34-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-38-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-40-0x0000000002770000-0x0000000002782000-memory.dmp
    Filesize

    72KB

  • memory/4640-12-0x0000000073B90000-0x0000000074340000-memory.dmp
    Filesize

    7.7MB

  • memory/4640-9-0x0000000073B90000-0x0000000074340000-memory.dmp
    Filesize

    7.7MB

  • memory/4640-11-0x0000000002770000-0x0000000002788000-memory.dmp
    Filesize

    96KB

  • memory/4640-10-0x0000000004D10000-0x00000000052B4000-memory.dmp
    Filesize

    5.6MB

  • memory/4640-8-0x00000000021D0000-0x00000000021EA000-memory.dmp
    Filesize

    104KB

  • memory/4640-7-0x0000000073B9E000-0x0000000073B9F000-memory.dmp
    Filesize

    4KB