General

  • Target

    dfdc8e0c68dd10c2f8053070533a387d01f1f3a81e30ae36902a3082466a2278

  • Size

    333KB

  • Sample

    211216-brdjpsbag3

  • MD5

    81b268f1a348d1f423f4ca65c145cbbc

  • SHA1

    da52d8917c0d3b7c835349dff771dfa9a76bc5b3

  • SHA256

    dfdc8e0c68dd10c2f8053070533a387d01f1f3a81e30ae36902a3082466a2278

  • SHA512

    4141e8aa05d104ea0bc1c90d65c7c7a25c8fa5d047220e9e5eb08e453c2ae9d4499dbe70099a07fb734b805afd81eafae0d26e364356316c763c8aab6b8b6222

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

icedid

Campaign

3372020928

C2

jeliskvosh.com

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Extracted

Family

redline

Botnet

22

C2

195.133.47.114:38127

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://45.77.127.230:8888

Targets

    • Target

      dfdc8e0c68dd10c2f8053070533a387d01f1f3a81e30ae36902a3082466a2278

    • Size

      333KB

    • MD5

      81b268f1a348d1f423f4ca65c145cbbc

    • SHA1

      da52d8917c0d3b7c835349dff771dfa9a76bc5b3

    • SHA256

      dfdc8e0c68dd10c2f8053070533a387d01f1f3a81e30ae36902a3082466a2278

    • SHA512

      4141e8aa05d104ea0bc1c90d65c7c7a25c8fa5d047220e9e5eb08e453c2ae9d4499dbe70099a07fb734b805afd81eafae0d26e364356316c763c8aab6b8b6222

    • Arkei

      Arkei is an infostealer written in C++.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • 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.

    • VKeylogger

      A keylogger first seen in Nov 2020.

    • VKeylogger Payload

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • 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 Microsoft Outlook profiles

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Install Root Certificate

1
T1130

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

Email Collection

1
T1114

Tasks