General

  • Target

    f924dedf8e6ce4b80076c648d9d7799c0d583682a8942d1191a1463b9d9a03be

  • Size

    315KB

  • Sample

    211127-ne2f8adcf4

  • MD5

    51e448f737b6dfaf744ad73c01bd292e

  • SHA1

    2d2d4f19a9af8d33c79531fe8c15460200f29858

  • SHA256

    f924dedf8e6ce4b80076c648d9d7799c0d583682a8942d1191a1463b9d9a03be

  • SHA512

    0342d774b0d572a173331481aac42b9d18a2ea721f781acbc7f2916e46c41027058ff59ef94fbfdc2a26f435e3098a0cb99b0e7c1c67bf751338096f58c94600

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

      f924dedf8e6ce4b80076c648d9d7799c0d583682a8942d1191a1463b9d9a03be

    • Size

      315KB

    • MD5

      51e448f737b6dfaf744ad73c01bd292e

    • SHA1

      2d2d4f19a9af8d33c79531fe8c15460200f29858

    • SHA256

      f924dedf8e6ce4b80076c648d9d7799c0d583682a8942d1191a1463b9d9a03be

    • SHA512

      0342d774b0d572a173331481aac42b9d18a2ea721f781acbc7f2916e46c41027058ff59ef94fbfdc2a26f435e3098a0cb99b0e7c1c67bf751338096f58c94600

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Command and Control

Web Service

1
T1102

Tasks