Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 19:03

General

  • Target

    597fd86cf22402c976ac13f554867cf010ab3d5c9bdcf8d817c66e620dce4751.exe

  • Size

    306KB

  • MD5

    bbc0e66e9970c6d289d5aacbe28ad8eb

  • SHA1

    3172486f0db1519646b971f93cf94b00b18dbe3f

  • SHA256

    597fd86cf22402c976ac13f554867cf010ab3d5c9bdcf8d817c66e620dce4751

  • SHA512

    38ef3029b13f9a499a50213782281294bb2e8a18df1b7f6699d8f8517ac50f55013b37c4d320b4f463b60d5ee113d0246d0f11a2f48f1358af76792fbd6c56c2

  • SSDEEP

    6144:Kny+bnr+Vp0yN90QEdXp348Oa6+keANsZlJB0gN:JMrhy903Rxke5ZtN

Malware Config

Extracted

Family

redline

Botnet

moner

C2

77.91.124.82:19071

Attributes
  • auth_value

    a94cd9e01643e1945b296c28a2f28707

Signatures

  • Detects Healer an antivirus disabler dropper 1 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\597fd86cf22402c976ac13f554867cf010ab3d5c9bdcf8d817c66e620dce4751.exe
    "C:\Users\Admin\AppData\Local\Temp\597fd86cf22402c976ac13f554867cf010ab3d5c9bdcf8d817c66e620dce4751.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g9913294.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g9913294.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3852
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4952
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i9778735.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i9778735.exe
      2⤵
      • Executes dropped EXE
      PID:4904

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

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g9913294.exe
    Filesize

    213KB

    MD5

    3439ec64c05cd32c83c39bab66c8eab6

    SHA1

    771f08e2d5141129c94123b3e71825faafd3d075

    SHA256

    39940c9d85f5fa53b8b13042f93e07b16a138d0d73e5a8f576aed9b9e5aea5be

    SHA512

    9db728d46d2f47d88ab4b91c043c3423a56ba2401ce6ca1ff4ea6050d1e01934ad7d43a7d313c7ad170d3ebb02c0c34bea3e949b1b2a691dbae4798d87e448f7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i9778735.exe
    Filesize

    175KB

    MD5

    294ebe4a475d15bc12b847f66837d1b9

    SHA1

    69043a76848ba78a3586ceadb72f106125edae7f

    SHA256

    33e9e74690f6293f53d26aba812ae3a25c0a7072cad5a5709dce18c2008a93d6

    SHA512

    a3928703bf471297970e77d684f415c753c8939a5ecdb7792f3779ff3e84abfcabc6926bf0ec972ff08f47ea6aa16803683ea84d98d7abe7e6c8a04641624281

  • memory/4904-17-0x0000000005340000-0x0000000005352000-memory.dmp
    Filesize

    72KB

  • memory/4904-12-0x00000000009B0000-0x00000000009E0000-memory.dmp
    Filesize

    192KB

  • memory/4904-14-0x0000000005290000-0x0000000005296000-memory.dmp
    Filesize

    24KB

  • memory/4904-13-0x0000000073E50000-0x0000000074600000-memory.dmp
    Filesize

    7.7MB

  • memory/4904-15-0x0000000005910000-0x0000000005F28000-memory.dmp
    Filesize

    6.1MB

  • memory/4904-16-0x0000000005400000-0x000000000550A000-memory.dmp
    Filesize

    1.0MB

  • memory/4904-18-0x00000000053A0000-0x00000000053DC000-memory.dmp
    Filesize

    240KB

  • memory/4904-19-0x0000000005510000-0x000000000555C000-memory.dmp
    Filesize

    304KB

  • memory/4904-21-0x0000000073E50000-0x0000000074600000-memory.dmp
    Filesize

    7.7MB

  • memory/4952-11-0x0000000073E5E000-0x0000000073E5F000-memory.dmp
    Filesize

    4KB

  • memory/4952-7-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB