General

  • Target

    a59847d1dc63144b0212bec723071ade.exe

  • Size

    875KB

  • Sample

    211027-h3thmaabep

  • MD5

    a59847d1dc63144b0212bec723071ade

  • SHA1

    6513218757267f0dcf8500138681c2ec277a8885

  • SHA256

    0c7aaf3999899c4f29ea325f11746ab98462151fa78a15b8ca505973ac71fd02

  • SHA512

    b0171eb663b6166d4d10433b90bdef42b4c2ee6e4896ec1ba4324461b9a2e836e3e57a8bddcc930369daff59624296bd7b0fc614d094ba7207e542e665e96deb

Malware Config

Extracted

Family

redline

Botnet

@souoy

C2

135.125.40.64:15456

Targets

    • Target

      a59847d1dc63144b0212bec723071ade.exe

    • Size

      875KB

    • MD5

      a59847d1dc63144b0212bec723071ade

    • SHA1

      6513218757267f0dcf8500138681c2ec277a8885

    • SHA256

      0c7aaf3999899c4f29ea325f11746ab98462151fa78a15b8ca505973ac71fd02

    • SHA512

      b0171eb663b6166d4d10433b90bdef42b4c2ee6e4896ec1ba4324461b9a2e836e3e57a8bddcc930369daff59624296bd7b0fc614d094ba7207e542e665e96deb

    • Modifies security service

    • RedLine

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

    • RedLine Payload

    • 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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks BIOS information in registry

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

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