General

  • Target

    e3d023e5f6f2e7eebfb12204edd3ac526e830ecc051cf.exe

  • Size

    287KB

  • Sample

    210924-zxq9raaaf3

  • MD5

    6cbf95206889d06445d284b862cf18bf

  • SHA1

    c85b2f93e81da0d5759f195afdf91a645343fe5d

  • SHA256

    e3d023e5f6f2e7eebfb12204edd3ac526e830ecc051cfbf9fc9ed24d8dc7d143

  • SHA512

    45d81eddf9e9c38ed9b8ec6510b6b34c752c5ccc01e22028549ef19921308a8531dbb8c5f9f79833e5df350dd47dc2a3edd430926d45f4f1f31fd329c50393e4

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

2k superstar

C2

185.244.180.224:39957

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

qq

C2

135.181.142.223:30397

Extracted

Family

redline

Botnet

700$

C2

65.21.231.57:60751

Extracted

Family

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Targets

    • Target

      e3d023e5f6f2e7eebfb12204edd3ac526e830ecc051cf.exe

    • Size

      287KB

    • MD5

      6cbf95206889d06445d284b862cf18bf

    • SHA1

      c85b2f93e81da0d5759f195afdf91a645343fe5d

    • SHA256

      e3d023e5f6f2e7eebfb12204edd3ac526e830ecc051cfbf9fc9ed24d8dc7d143

    • SHA512

      45d81eddf9e9c38ed9b8ec6510b6b34c752c5ccc01e22028549ef19921308a8531dbb8c5f9f79833e5df350dd47dc2a3edd430926d45f4f1f31fd329c50393e4

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

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

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks