General

  • Target

    b9a2feaa7b4989fa3b6a59d1fed7983d9fba99c54e6d30704f9cdc3826a3b20a

  • Size

    145KB

  • Sample

    210926-p78xfaehc8

  • MD5

    51fb8179a5f88bc327d1c66581f73129

  • SHA1

    033aa3edf2b8f09907290a301ec0b76af202dcfa

  • SHA256

    b9a2feaa7b4989fa3b6a59d1fed7983d9fba99c54e6d30704f9cdc3826a3b20a

  • SHA512

    60b83fdf20f31d64672523001c408838509ba86a006a25cf03285192a25744748bf13f4a93b65ef688018cd2c2aad06680395f293bc04268164e46e90048d208

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

      b9a2feaa7b4989fa3b6a59d1fed7983d9fba99c54e6d30704f9cdc3826a3b20a

    • Size

      145KB

    • MD5

      51fb8179a5f88bc327d1c66581f73129

    • SHA1

      033aa3edf2b8f09907290a301ec0b76af202dcfa

    • SHA256

      b9a2feaa7b4989fa3b6a59d1fed7983d9fba99c54e6d30704f9cdc3826a3b20a

    • SHA512

      60b83fdf20f31d64672523001c408838509ba86a006a25cf03285192a25744748bf13f4a93b65ef688018cd2c2aad06680395f293bc04268164e46e90048d208

    • 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