Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 08:13

General

  • Target

    79eaddd1dc15f0cdf5e503c8eff40a9cabfc9aca470a302c9e868d65a3670c70.exe

  • Size

    478KB

  • MD5

    7f14be90da456e71fecfd8ac89d2cd2b

  • SHA1

    87e9180ae88e72d5f10549bed0ab35814771fac6

  • SHA256

    79eaddd1dc15f0cdf5e503c8eff40a9cabfc9aca470a302c9e868d65a3670c70

  • SHA512

    e42e3a3ef28fcae134e58e3f308c678bc3ee9fdc3e4b8b1235f6ef0de67abd0a6ea20a8cbf31b6087e6f8e7f83c5742959153e453e675f4494162625044835d4

  • SSDEEP

    12288:kMrQy90LlnmDAGXyy1TBdamxmuEW9YWJyclYT:UyilnmDAF4T/+uf9YMtYT

Malware Config

Extracted

Family

redline

Botnet

mufos

C2

217.196.96.102:4132

Attributes
  • auth_value

    136f202e6569ad5815c34377858a255c

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 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79eaddd1dc15f0cdf5e503c8eff40a9cabfc9aca470a302c9e868d65a3670c70.exe
    "C:\Users\Admin\AppData\Local\Temp\79eaddd1dc15f0cdf5e503c8eff40a9cabfc9aca470a302c9e868d65a3670c70.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3671290.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3671290.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3236
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5678297.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5678297.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3812
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1201133.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1201133.exe
        3⤵
        • Executes dropped EXE
        PID:4876
  • C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe start wuauserv
    1⤵
    • Launches sc.exe
    PID:1256

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\v3671290.exe
    Filesize

    307KB

    MD5

    edb0f1d0bd19d03925773ecc34e1fe50

    SHA1

    7668fb84e1d9fdfb88f096000020039200ece193

    SHA256

    8d15ef2fb7dc2170557c6e394c005175be4e28ccb189e6d691367ce1b6ca5fd2

    SHA512

    dd9f6972694a26b5ab945fe797619417f5d89860f671fb5305fc78333d1e17bae27664aea3abf42839dfea63403353eaea19d846c86ad0cc5641d9c36dd7c660

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5678297.exe
    Filesize

    181KB

    MD5

    2cfaae5f88f0b6329711faa063db83fd

    SHA1

    cc44557537f335858b1f733e5088f4da32f734ce

    SHA256

    5430132a3271c8b1a9a115cdbbe1f0dc366c2d15cd5e4eca8b461a0f8c117d9b

    SHA512

    3657d9790c955bf2388b8f15ada4759301485bb637fc41ad37341587fa320a20c7cef6853df05d15de3cd219a121ce3a45ce982c78522c0bb92eaa374daba91d

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1201133.exe
    Filesize

    168KB

    MD5

    fe6c5d5eb3809fb323f7eca654f7c1d9

    SHA1

    44e2c7a624fa1cf273d4e7476870a9b185801bd6

    SHA256

    16c404c340c3e1a2738908be6ef00f7adec098237e6b6f912c4194d3c5bd9aa5

    SHA512

    2469aa21c524ba33e4e2e9499d87f6a36d4d3764e7c58805e1364543ebe9c5fe559da9ebeca9ed94b8aa7f88204c375df26a0f6e1e9d45dd06dafe585304ecbf

  • memory/3812-36-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-17-0x0000000004BD0000-0x0000000005174000-memory.dmp
    Filesize

    5.6MB

  • memory/3812-32-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-18-0x0000000004AC0000-0x0000000004AD8000-memory.dmp
    Filesize

    96KB

  • memory/3812-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-19-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-30-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-47-0x0000000074810000-0x0000000074FC0000-memory.dmp
    Filesize

    7.7MB

  • memory/3812-46-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-44-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-42-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-40-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-38-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-15-0x0000000002400000-0x000000000241A000-memory.dmp
    Filesize

    104KB

  • memory/3812-34-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-16-0x0000000074810000-0x0000000074FC0000-memory.dmp
    Filesize

    7.7MB

  • memory/3812-28-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-48-0x0000000074810000-0x0000000074FC0000-memory.dmp
    Filesize

    7.7MB

  • memory/3812-26-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp
    Filesize

    72KB

  • memory/3812-50-0x0000000074810000-0x0000000074FC0000-memory.dmp
    Filesize

    7.7MB

  • memory/3812-14-0x000000007481E000-0x000000007481F000-memory.dmp
    Filesize

    4KB

  • memory/4876-54-0x0000000000360000-0x000000000038E000-memory.dmp
    Filesize

    184KB

  • memory/4876-55-0x00000000024B0000-0x00000000024B6000-memory.dmp
    Filesize

    24KB

  • memory/4876-56-0x00000000053D0000-0x00000000059E8000-memory.dmp
    Filesize

    6.1MB

  • memory/4876-58-0x0000000004E20000-0x0000000004E32000-memory.dmp
    Filesize

    72KB

  • memory/4876-57-0x0000000004EF0000-0x0000000004FFA000-memory.dmp
    Filesize

    1.0MB

  • memory/4876-59-0x0000000004E80000-0x0000000004EBC000-memory.dmp
    Filesize

    240KB

  • memory/4876-60-0x0000000005000000-0x000000000504C000-memory.dmp
    Filesize

    304KB