General

  • Target

    489cc18342d24928ea4312402d3e7b4acc49bc3e95a42e95c8a396a34a326a76

  • Size

    315KB

  • Sample

    211127-lw79zsdae5

  • MD5

    3179055de333a0f09045a272a496f086

  • SHA1

    bf2648b813e25272e7df276c0eada0717cd6a946

  • SHA256

    489cc18342d24928ea4312402d3e7b4acc49bc3e95a42e95c8a396a34a326a76

  • SHA512

    83bdffc819c1e8f5fd6cde50cff00436163d1b9a92a1b5b8a1170a2c6222eb9952bf4767e17b966f9b9fcc36ef6c1877c21e6c24712933bd6bcafe6e9e056992

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38655

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      489cc18342d24928ea4312402d3e7b4acc49bc3e95a42e95c8a396a34a326a76

    • Size

      315KB

    • MD5

      3179055de333a0f09045a272a496f086

    • SHA1

      bf2648b813e25272e7df276c0eada0717cd6a946

    • SHA256

      489cc18342d24928ea4312402d3e7b4acc49bc3e95a42e95c8a396a34a326a76

    • SHA512

      83bdffc819c1e8f5fd6cde50cff00436163d1b9a92a1b5b8a1170a2c6222eb9952bf4767e17b966f9b9fcc36ef6c1877c21e6c24712933bd6bcafe6e9e056992

    • Arkei

      Arkei is an infostealer written in C++.

    • Bazar Loader

      Detected loader normally used to deploy BazarBackdoor malware.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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.

    • Arkei Stealer Payload

    • Bazar/Team9 Loader payload

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks