Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:28

General

  • Target

    b577c897b2be38c4bed293104f5424d9cc6213dcbf6ee85b26b1d55373ce3f2b.exe

  • Size

    309KB

  • MD5

    14ba77399e2828379dffd3f017c28a2f

  • SHA1

    150695a6bf518f08f731d1d3868df837902ea221

  • SHA256

    b577c897b2be38c4bed293104f5424d9cc6213dcbf6ee85b26b1d55373ce3f2b

  • SHA512

    cf7358c702a76e53d07492cbd3de1398c0f963e00446550381d7343356bd7eb45ffcdc7b64bce1c63ff9e4b18bd35a0200ee4ed61d505a53dce8e2b7c23e3679

  • SSDEEP

    6144:KWy+bnr+Kp0yN90QEy5F5OYc1u31g4TByzVywI6CLxYhPxrnN:+MrSy90Mxc1u31TTEzVy76Mx2Pxp

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\b577c897b2be38c4bed293104f5424d9cc6213dcbf6ee85b26b1d55373ce3f2b.exe
    "C:\Users\Admin\AppData\Local\Temp\b577c897b2be38c4bed293104f5424d9cc6213dcbf6ee85b26b1d55373ce3f2b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a5361408.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a5361408.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3160
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9204441.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9204441.exe
      2⤵
      • Executes dropped EXE
      PID:2488

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\a5361408.exe
    Filesize

    180KB

    MD5

    2b40e45051c08f09e153920e70df2c25

    SHA1

    931d45a37994ecb74d6dee9279d3dd6815f548b3

    SHA256

    058560e2c49c2a222c6af7852a9b34b41bfe339e44cb15242099e45330ea165c

    SHA512

    5825aece817b86dd8839aaff8d0589f19ad884a599cc59bd37c21449f635d78cd4604090b4d0c85c05c5fdeabf8e6a2b9f2d80c5ce668df064724405471ba1c2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9204441.exe
    Filesize

    168KB

    MD5

    eec777b906748afe4d53dbb8e4754198

    SHA1

    8e844ea4bab50d8052265684efc714f489d7d885

    SHA256

    0eb2bb95f55cb1bccdbd68e3641ebb6920a0573a06c437adfc190572580f42e2

    SHA512

    7abdf11736a2dae6e6fefa0e10ace4196236141f12714a236ba9fad23fc29ee8c65a74cb74a280094cb31e2a796596663486e8c0f71c3479d6c08134a239bc86

  • memory/2488-56-0x0000000074600000-0x00000000746AB000-memory.dmp
    Filesize

    684KB

  • memory/2488-55-0x0000000004AC0000-0x0000000004B0C000-memory.dmp
    Filesize

    304KB

  • memory/2488-54-0x0000000004A80000-0x0000000004ABC000-memory.dmp
    Filesize

    240KB

  • memory/2488-52-0x0000000004A20000-0x0000000004A32000-memory.dmp
    Filesize

    72KB

  • memory/2488-53-0x0000000074600000-0x00000000746AB000-memory.dmp
    Filesize

    684KB

  • memory/2488-51-0x0000000004B10000-0x0000000004C1A000-memory.dmp
    Filesize

    1.0MB

  • memory/2488-50-0x0000000005020000-0x0000000005638000-memory.dmp
    Filesize

    6.1MB

  • memory/2488-49-0x00000000023E0000-0x00000000023E6000-memory.dmp
    Filesize

    24KB

  • memory/2488-48-0x0000000074600000-0x00000000746AB000-memory.dmp
    Filesize

    684KB

  • memory/2488-47-0x0000000000090000-0x00000000000C0000-memory.dmp
    Filesize

    192KB

  • memory/3160-40-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-43-0x0000000074650000-0x0000000074E00000-memory.dmp
    Filesize

    7.7MB

  • memory/3160-26-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-24-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-22-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-20-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-18-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-16-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-14-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-13-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-41-0x0000000074650000-0x0000000074E00000-memory.dmp
    Filesize

    7.7MB

  • memory/3160-28-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-30-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-32-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-36-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-38-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-12-0x0000000074650000-0x0000000074E00000-memory.dmp
    Filesize

    7.7MB

  • memory/3160-34-0x0000000004F50000-0x0000000004F62000-memory.dmp
    Filesize

    72KB

  • memory/3160-11-0x0000000004F50000-0x0000000004F68000-memory.dmp
    Filesize

    96KB

  • memory/3160-10-0x0000000004960000-0x0000000004F04000-memory.dmp
    Filesize

    5.6MB

  • memory/3160-9-0x0000000074650000-0x0000000074E00000-memory.dmp
    Filesize

    7.7MB

  • memory/3160-8-0x0000000002380000-0x000000000239A000-memory.dmp
    Filesize

    104KB

  • memory/3160-7-0x000000007465E000-0x000000007465F000-memory.dmp
    Filesize

    4KB