Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 05:08

General

  • Target

    3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe

  • Size

    400KB

  • MD5

    80f5f2296cae3bea63fc14a867d97dd4

  • SHA1

    d3d87cc1e2f1d0df7ccc78e819fb58adc584caae

  • SHA256

    3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd

  • SHA512

    163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/

Wallets

13cQ2H6oszrEnvw1ZGdsPix9gUayB8tzNa

qr5pm4d27z250wpz4sfy08ytghxn56kryvsw5tdw99

XfrM8P9YWSg8mQTxSCCxyHUeQjMEGx8vnE

DSG5PddW9wu1eKdLcx4f3KBF4wUvaBFaGc

0x373b9854c9e4511b920372f5495640cdc25d6832

LSermtCTLWeS683x17AtYuhNT8MpMmVmi8

t1XgRHyGj6YDNqkS5EWwdcXG1rjQPFFdUsR

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Phorphiex

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

  • Phorphiex payload 2 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

    suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe
    "C:\Users\Admin\AppData\Local\Temp\3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\1722225335\sysipbk.exe
      C:\Windows\1722225335\sysipbk.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Windows security bypass
      • Executes dropped EXE
      • Windows security modification
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4356

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

3
T1089

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\1722225335\sysipbk.exe
    Filesize

    400KB

    MD5

    80f5f2296cae3bea63fc14a867d97dd4

    SHA1

    d3d87cc1e2f1d0df7ccc78e819fb58adc584caae

    SHA256

    3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd

    SHA512

    163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d

  • C:\Windows\1722225335\sysipbk.exe
    Filesize

    400KB

    MD5

    80f5f2296cae3bea63fc14a867d97dd4

    SHA1

    d3d87cc1e2f1d0df7ccc78e819fb58adc584caae

    SHA256

    3ecb650c471d7c8291d084fffd634da0eddc9a473d29792d5033fe5fdcbf4ddd

    SHA512

    163e2bd5fc1d85ddaa9aea7933ccde7e49733b256304695918c7ae2b6ff790235eeedba26a4a95c79554f924289d885f6796bd7136c46299c516ebdabb8eba1d

  • memory/2992-130-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/2992-131-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/2992-132-0x00000000021F0000-0x00000000021FD000-memory.dmp
    Filesize

    52KB

  • memory/2992-137-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/4356-138-0x0000000000000000-mapping.dmp
  • memory/4356-141-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/4356-142-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/4356-143-0x0000000002100000-0x000000000210D000-memory.dmp
    Filesize

    52KB

  • memory/4356-148-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB