General

  • Target

    Downloads.zip

  • Size

    48KB

  • Sample

    241105-f4fxtavhlh

  • MD5

    a993b040805a46a6f811c2f82ba15ac3

  • SHA1

    0d739b4db6237a551a96f85824786858028b2f99

  • SHA256

    85e90c7240f0d04c7a3e4cddabeb7afd17b3996382e0a83e905e346867a0b164

  • SHA512

    0744cc48bbcf605b805f0c8168e7f631a1b31ba536de73e0ac6d89a6ff33025e786c5ff096c427bc882b7bb47b1ee70b3ecc7019167a859b055097989e140726

  • SSDEEP

    1536:KqnGvA3RniIoOxShC51a5OtTHtPe+jCSON1:zGYRiIoOIC/asTHtDzg1

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

172.183.76.152:4444

Extracted

Family

phorphiex

C2

http://185.215.113.84

http://185.215.113.66

Targets

    • Target

      53c9a6fc60f1b68e23f9a4060452d035af7e2eb73fec2f42b6012fc98417115a/53c9a6fc60f1b68e23f9a4060452d035af7e2eb73fec2f42b6012fc98417115a.exe

    • Size

      72KB

    • MD5

      449c0175718415174c3961728c7b48ba

    • SHA1

      573e1558ba736edefc6a41dda6505f07b9eddfd8

    • SHA256

      53c9a6fc60f1b68e23f9a4060452d035af7e2eb73fec2f42b6012fc98417115a

    • SHA512

      423841097e9711322c647735f69a40105ca1a9a5d4245b92d1334909f6fde9d4ef2df195296b929c052022ba677c6705cdea6779f43f3cd767261b5bf9065efe

    • SSDEEP

      1536:Ij2YmZ2WQAZ+4DRkT4Us96osMiq1Mb+KR0Nc8QsJq39:Iq2e1ixoNiue0Nc8QsC9

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • Target

      6fc8b5b8a90cf8ba7e0eb930fcdde776f8eeb3f37913318df7766a365e13fa8e/6fc8b5b8a90cf8ba7e0eb930fcdde776f8eeb3f37913318df7766a365e13fa8e.exe

    • Size

      10KB

    • MD5

      ed9fbbbe548c41479cb70e4d694793d0

    • SHA1

      a0bde162d2241ab2acb58544511a41df30a096a7

    • SHA256

      6fc8b5b8a90cf8ba7e0eb930fcdde776f8eeb3f37913318df7766a365e13fa8e

    • SHA512

      49652367fec13a1e7a188fd039bf8a9fae6be72fdc31e7597bbcfdf30375277f6a7e09b74bd5a2adf1696cf720998c751b7e1671afa3a59c4dfa7069bca543fb

    • SSDEEP

      192:Jd94uPG8E1CDSnzmgp+eMwY46BJxT43thW:394u5SCDSnJo+c83

    • Modifies security service

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks