Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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 13:09

General

  • Target

    c429566ed481fe562466b6e87d2cfe6fc492efeb3007819b63dd4cf45594d639.exe

  • Size

    309KB

  • MD5

    2b9af2f423ddd5e5022d79ce0fc8ef82

  • SHA1

    5e2592a9d3167b27d130b4f054175cf9a4ec407a

  • SHA256

    c429566ed481fe562466b6e87d2cfe6fc492efeb3007819b63dd4cf45594d639

  • SHA512

    19274e6cc635c5c8bcd4c48f4859e0d40f023eabf94413d8845c98c4a2d41a676c30129002956e9bbfb0835cc1ec0749df326fd95efdf9dc849d84ab6b1123e4

  • SSDEEP

    6144:KDy+bnr+ip0yN90QEx5F5OYc1u31g4TBymqSI6pz9wfWF33OHqK:VMr2y90Rxc1u31TTEYZ3wfWlMqK

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
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c429566ed481fe562466b6e87d2cfe6fc492efeb3007819b63dd4cf45594d639.exe
    "C:\Users\Admin\AppData\Local\Temp\c429566ed481fe562466b6e87d2cfe6fc492efeb3007819b63dd4cf45594d639.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9236674.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9236674.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3995746.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3995746.exe
      2⤵
      • Executes dropped EXE
      PID:4648
  • C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe start wuauserv
    1⤵
    • Launches sc.exe
    PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9236674.exe

    Filesize

    180KB

    MD5

    9d6a6a164c9371fe63996d4ee60608df

    SHA1

    acc572756616ba0cdd302803ade94f4d6f1c447e

    SHA256

    b80f9eb78c1bc9d2e6abcb79000108ca6ca2700ee20d4c1d9e221d30813383e0

    SHA512

    c56e4df370b0d536176c362c49f9664f4a5f49b35034e4cc1c70459bfde95fb3d8ae044b7014323fbc20210313a1f489a42f5ad15957529c6446af93ce17bebf

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3995746.exe

    Filesize

    168KB

    MD5

    72d543112c67db99263bdcdb053c5200

    SHA1

    5ed8046e303358157f833bfb8bcb42966f3ab14d

    SHA256

    c7a850a137dec0ca9e361fde39aacb695d98e1165eb401929fbbff687950e0c5

    SHA512

    32e8967b5136d9799fd0de5c324c075dbd5ba3a5506ee0fb9d070a249e3a52b4a18db04d1cc71517fbecb44897cf6a3dc76d4fa175dd54973ecefd6ad99c7a7e

  • memory/1540-23-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-41-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-11-0x0000000004980000-0x0000000004998000-memory.dmp

    Filesize

    96KB

  • memory/1540-19-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-12-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-8-0x0000000000870000-0x000000000088A000-memory.dmp

    Filesize

    104KB

  • memory/1540-17-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-39-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-35-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-33-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-31-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-29-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-37-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-25-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-21-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-10-0x0000000004AA0000-0x0000000005044000-memory.dmp

    Filesize

    5.6MB

  • memory/1540-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-27-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-15-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-14-0x0000000004980000-0x0000000004992000-memory.dmp

    Filesize

    72KB

  • memory/1540-43-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-7-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/4648-47-0x00000000008E0000-0x0000000000910000-memory.dmp

    Filesize

    192KB

  • memory/4648-48-0x00000000746F0000-0x000000007479B000-memory.dmp

    Filesize

    684KB

  • memory/4648-49-0x00000000010C0000-0x00000000010C6000-memory.dmp

    Filesize

    24KB

  • memory/4648-50-0x000000000AE20000-0x000000000B438000-memory.dmp

    Filesize

    6.1MB

  • memory/4648-51-0x000000000A910000-0x000000000AA1A000-memory.dmp

    Filesize

    1.0MB

  • memory/4648-52-0x00000000746F0000-0x000000007479B000-memory.dmp

    Filesize

    684KB

  • memory/4648-53-0x0000000005330000-0x0000000005342000-memory.dmp

    Filesize

    72KB

  • memory/4648-54-0x000000000A840000-0x000000000A87C000-memory.dmp

    Filesize

    240KB

  • memory/4648-55-0x0000000002C00000-0x0000000002C4C000-memory.dmp

    Filesize

    304KB

  • memory/4648-56-0x00000000746F0000-0x000000007479B000-memory.dmp

    Filesize

    684KB