Resubmissions

17-01-2021 17:53

210117-wlvy67tc86 10

17-12-2020 07:01

201217-5nr6f732zn 10

General

  • Target

    55c7ec11b9c80cf6ca17642f2ef18e80.exe

  • Size

    1.2MB

  • Sample

    201217-5nr6f732zn

  • MD5

    55c7ec11b9c80cf6ca17642f2ef18e80

  • SHA1

    2478919a6e82d147bd146885133e0732b64bc87a

  • SHA256

    d9bb8e2ccfb5f98ca1097224493dc4f166291ee7b11fd13eaf9d0ef3cd379807

  • SHA512

    91400793f2fcbdee5c97564162f0b20ee4535acf28b3e39c52777dc2bd72e762528d152afd68da5d2c7cd2599ad3d4a68f99fd6ed35d80eac7a634c7adbce121

Malware Config

Extracted

Family

raccoon

Botnet

5eaa41b3101d5537f786a35da1878f0d1d760e53

Attributes
  • url4cnc

    https://telete.in/jbitchsucks

rc4.plain
rc4.plain

Targets

    • Target

      55c7ec11b9c80cf6ca17642f2ef18e80.exe

    • Size

      1.2MB

    • MD5

      55c7ec11b9c80cf6ca17642f2ef18e80

    • SHA1

      2478919a6e82d147bd146885133e0732b64bc87a

    • SHA256

      d9bb8e2ccfb5f98ca1097224493dc4f166291ee7b11fd13eaf9d0ef3cd379807

    • SHA512

      91400793f2fcbdee5c97564162f0b20ee4535acf28b3e39c52777dc2bd72e762528d152afd68da5d2c7cd2599ad3d4a68f99fd6ed35d80eac7a634c7adbce121

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • xmrig

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

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

    • XMRig Miner Payload

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • 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

      Detects Themida, Advanced Windows software protection system.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks