General

  • Target

    dllhost.bin

  • Size

    84KB

  • Sample

    220810-let12agdgr

  • MD5

    d8e0462c633785181b5b31ea98308a0b

  • SHA1

    69809c0237167c9666ef2b50aa1694e2a8ca38ac

  • SHA256

    5ebb3cc4e09a0fb9434d07543cd821538008462dc037c6d6323a32b8bd26dd6e

  • SHA512

    0e63d4e2d765005bca3647109315bbac9bb6ea0a640212ffbbeaa949043dc1f36396265c5c4ad80e1cd0701b03ebcbd1c0938df4fbd1e48528feaf997df65aee

Malware Config

Extracted

Family

raccoon

Botnet

8a4fd4b44997ba634230ba5c422ca9f2

C2

http://193.106.191.146/

http://185.215.113.89/

rc4.plain

Extracted

Family

arkei

Botnet

Default

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

remcos

Botnet

06192022

C2

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    scxs.dat

  • keylog_flag

    false

  • keylog_folder

    forbas

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    cvxyttydfsgbghfgfhtd-RXTSAM

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      dllhost.bin

    • Size

      84KB

    • MD5

      d8e0462c633785181b5b31ea98308a0b

    • SHA1

      69809c0237167c9666ef2b50aa1694e2a8ca38ac

    • SHA256

      5ebb3cc4e09a0fb9434d07543cd821538008462dc037c6d6323a32b8bd26dd6e

    • SHA512

      0e63d4e2d765005bca3647109315bbac9bb6ea0a640212ffbbeaa949043dc1f36396265c5c4ad80e1cd0701b03ebcbd1c0938df4fbd1e48528feaf997df65aee

    • Arkei

      Arkei is an infostealer written in C++.

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks