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Overview

overview

10

Static

static

10

5d87bd723f...cd.exe

windows7-x64

10

5d87bd723f...cd.exe

windows10-2004-x64

10

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General

  • Target

    5d87bd723f8267c3c0bef75f2b502321c518ac6a09696f3971ace53d0ba505cd.exe

  • Size

    259KB

  • Sample

    240630-bjgama1ekd

  • MD5

    f9f5342074462fa1048fea806eef535f

  • SHA1

    61c4e925d54b4e85564abb2a233b976306ee4e74

  • SHA256

    5d87bd723f8267c3c0bef75f2b502321c518ac6a09696f3971ace53d0ba505cd

  • SHA512

    5b1823ae6153f30e9c24b2240aea2610f5f05182ae66b933122721d312d8fae8ef8ca3cdfe03b4f316e12c7e45acfe0f1fcdd35f5b81748477f27477ce00b9b9

  • SSDEEP

    6144:r+k9IKKJPa1DyKHC055swEUkezQ12rqyFWaiwV:ik9IKKJip9C0kmzQ12rqyQaX

Score
10/10
blackmoongh0stratbankerdiscoveryevasionpersistenceprivilege_escalationrattrojanupx

Malware Config

Targets

    • Target

      5d87bd723f8267c3c0bef75f2b502321c518ac6a09696f3971ace53d0ba505cd.exe

    • Size

      259KB

    • MD5

      f9f5342074462fa1048fea806eef535f

    • SHA1

      61c4e925d54b4e85564abb2a233b976306ee4e74

    • SHA256

      5d87bd723f8267c3c0bef75f2b502321c518ac6a09696f3971ace53d0ba505cd

    • SHA512

      5b1823ae6153f30e9c24b2240aea2610f5f05182ae66b933122721d312d8fae8ef8ca3cdfe03b4f316e12c7e45acfe0f1fcdd35f5b81748477f27477ce00b9b9

    • SSDEEP

      6144:r+k9IKKJPa1DyKHC055swEUkezQ12rqyFWaiwV:ik9IKKJip9C0kmzQ12rqyQaX

    Score
    10/10
    blackmoongh0stratbankerevasionpersistenceprivilege_escalationrattrojanupxdiscovery

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

      trojanbankerblackmoon

    • Detect Blackmoon payload

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Detects executables containing possible sandbox analysis VM usernames

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

    • UPX dump on OEP (original entry point)

    • Boot or Logon Autostart Execution: Port Monitors

      Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

      persistence

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Server Software Component: Terminal Services DLL

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks