Resubmissions

09-04-2024 12:52

240409-p4kqfaaf9y 10

09-04-2024 12:52

240409-p35zzsaf81 10

09-04-2024 12:52

240409-p35dfsfd58 10

09-04-2024 12:52

240409-p343paaf8z 10

14-05-2021 19:03

210514-4yv41mgcte 10

Analysis

  • max time kernel
    153s
  • max time network
    161s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-04-2024 08:58

General

  • Target

    4c80e5212c71b86274b03c7e90df62a6.exe

  • Size

    100KB

  • MD5

    4c80e5212c71b86274b03c7e90df62a6

  • SHA1

    27fb49e915fba0537c26f2e3643c8ed079cd5e45

  • SHA256

    552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17

  • SHA512

    4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

  • SSDEEP

    3072:/3G8xswGZTYJWTbJPjMdhS3kxi/jrKwcNHjo86r8wLFS85F:/G8xo1qupjMrS3kxi/jrKwcNHjo86r8Q

Malware Config

Signatures

  • Phorphiex

    Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Phorphiex payload 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe
    "C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\1302358811081\wininet.exe
      C:\1302358811081\wininet.exe
      2⤵
      • Windows security bypass
      • Executes dropped EXE
      • Windows security modification
      PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

Replay Monitor

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Downloads

  • C:\1302358811081\wininet.exe
    Filesize

    100KB

    MD5

    4c80e5212c71b86274b03c7e90df62a6

    SHA1

    27fb49e915fba0537c26f2e3643c8ed079cd5e45

    SHA256

    552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17

    SHA512

    4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453