General

  • Target

    905deb8731d287f33b690099dcf92356e5c671ba7339f4ebff3a704098286327

  • Size

    123KB

  • Sample

    210925-kkh1aaagh8

  • MD5

    0d5553e4a19d544d104aa8bbee6b1b29

  • SHA1

    fd330dcbfe8fe69974e393c2bc82c85d5f454247

  • SHA256

    905deb8731d287f33b690099dcf92356e5c671ba7339f4ebff3a704098286327

  • SHA512

    ee6ac8cd9b10b320b738b6aa0793f103145cea1636f546efa0fce1593ea199b6bb248675755ccb84bdda5f5f4ede5cf9e53ab0e5a59e706d16585f192da500d7

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

qq

C2

135.181.142.223:30397

Targets

    • Target

      905deb8731d287f33b690099dcf92356e5c671ba7339f4ebff3a704098286327

    • Size

      123KB

    • MD5

      0d5553e4a19d544d104aa8bbee6b1b29

    • SHA1

      fd330dcbfe8fe69974e393c2bc82c85d5f454247

    • SHA256

      905deb8731d287f33b690099dcf92356e5c671ba7339f4ebff3a704098286327

    • SHA512

      ee6ac8cd9b10b320b738b6aa0793f103145cea1636f546efa0fce1593ea199b6bb248675755ccb84bdda5f5f4ede5cf9e53ab0e5a59e706d16585f192da500d7

    • 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.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks