Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2023, 12:11

General

  • Target
    bb7ca371fdf7384276f0f981c1c76c26.exe
  • Size 497KB
  • Sample230906-pck7wsfc49
  • SHA256 2352d5e7b3535e16521b1e97d65dd97f4606ea2c909a5fe9c682d3f4dfc003ef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • nrava

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    43fe50e9ee6afb85588e03ac9676e2f7

Signatures

  • Detects Healer an antivirus disabler dropper 4 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 5 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 9 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb7ca371fdf7384276f0f981c1c76c26.exe
    "C:\Users\Admin\AppData\Local\Temp\bb7ca371fdf7384276f0f981c1c76c26.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2764
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3512030.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3512030.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2616
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2624
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2760

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        v6828946.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
        • Size 373KB
        • SHA256 aeab0c5609b0387b52374f879da07150d2f5b69147eee5a04b979b1b4e65e2e1
        • MD5 SHA1 SHA512 SSDEEP

        v6828946.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
        • Size 373KB
        • SHA256 aeab0c5609b0387b52374f879da07150d2f5b69147eee5a04b979b1b4e65e2e1
        • MD5 SHA1 SHA512 SSDEEP

        c0828407.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        • Size 174KB
        • SHA256 e141852d6f621aed3c2851ee6f4ad70a2cd094c419079621bfef198d495d96f1
        • MD5 SHA1 SHA512 SSDEEP

        c0828407.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        • Size 174KB
        • SHA256 e141852d6f621aed3c2851ee6f4ad70a2cd094c419079621bfef198d495d96f1
        • MD5 SHA1 SHA512 SSDEEP

        v4639861.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        • Size 217KB
        • SHA256 57193f0119d92ff3e8830a34b5a0b77b8172fca6791ebf1088957c89d26ba85d
        • MD5 SHA1 SHA512 SSDEEP

        v4639861.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        • Size 217KB
        • SHA256 57193f0119d92ff3e8830a34b5a0b77b8172fca6791ebf1088957c89d26ba85d
        • MD5 SHA1 SHA512 SSDEEP

        a3512030.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3512030.exe
        • Size 15KB
        • SHA256 68db50c45ee96724ea04b734d3343845ce043368b9648d128d875537846445ef
        • MD5 SHA1 SHA512 SSDEEP

        a3512030.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a3512030.exe
        • Size 15KB
        • SHA256 68db50c45ee96724ea04b734d3343845ce043368b9648d128d875537846445ef
        • MD5 SHA1 SHA512 SSDEEP

        b9429854.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
        • Size 140KB
        • SHA256 1ceac770bdd2ec9d4c746da95e415b5c75ee14907c352ae3b08b0508b4c92a36
        • MD5 SHA1 SHA512 SSDEEP

        b9429854.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
        • Size 140KB
        • SHA256 1ceac770bdd2ec9d4c746da95e415b5c75ee14907c352ae3b08b0508b4c92a36
        • MD5 SHA1 SHA512 SSDEEP

        v6828946.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
        • Size 373KB
        • SHA256 aeab0c5609b0387b52374f879da07150d2f5b69147eee5a04b979b1b4e65e2e1
        • MD5 SHA1 SHA512 SSDEEP

        v6828946.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\v6828946.exe
        • Size 373KB
        • SHA256 aeab0c5609b0387b52374f879da07150d2f5b69147eee5a04b979b1b4e65e2e1
        • MD5 SHA1 SHA512 SSDEEP

        c0828407.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        • Size 174KB
        • SHA256 e141852d6f621aed3c2851ee6f4ad70a2cd094c419079621bfef198d495d96f1
        • MD5 SHA1 SHA512 SSDEEP

        c0828407.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\c0828407.exe
        • Size 174KB
        • SHA256 e141852d6f621aed3c2851ee6f4ad70a2cd094c419079621bfef198d495d96f1
        • MD5 SHA1 SHA512 SSDEEP

        v4639861.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        • Size 217KB
        • SHA256 57193f0119d92ff3e8830a34b5a0b77b8172fca6791ebf1088957c89d26ba85d
        • MD5 SHA1 SHA512 SSDEEP

        v4639861.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\v4639861.exe
        • Size 217KB
        • SHA256 57193f0119d92ff3e8830a34b5a0b77b8172fca6791ebf1088957c89d26ba85d
        • MD5 SHA1 SHA512 SSDEEP

        a3512030.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP002.TMP\a3512030.exe
        • Size 15KB
        • SHA256 68db50c45ee96724ea04b734d3343845ce043368b9648d128d875537846445ef
        • MD5 SHA1 SHA512 SSDEEP

        b9429854.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
        • Size 140KB
        • SHA256 1ceac770bdd2ec9d4c746da95e415b5c75ee14907c352ae3b08b0508b4c92a36
        • MD5 SHA1 SHA512 SSDEEP

        b9429854.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP002.TMP\b9429854.exe
        • Size 140KB
        • SHA256 1ceac770bdd2ec9d4c746da95e415b5c75ee14907c352ae3b08b0508b4c92a36
        • MD5 SHA1 SHA512 SSDEEP

        memory/2616-33-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

        memory/2616-29-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

        memory/2616-28-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

        memory/2760-43-0x0000000000E30000-0x0000000000E60000-memory.dmp

        memory/2760-44-0x00000000003A0000-0x00000000003A6000-memory.dmp