General

  • Target

    88269c5eb993f4c81f3658ea9d810452789cb2d765836d443f37b42da29c2272

  • Size

    139KB

  • Sample

    210828-kbrje3sbes

  • MD5

    81fedbdc4956f685f1a7c276cac068da

  • SHA1

    5a70686e2a4de494425760f3e55a51187c144efb

  • SHA256

    88269c5eb993f4c81f3658ea9d810452789cb2d765836d443f37b42da29c2272

  • SHA512

    0a6994b80e5ad9a312b8006c50b5ba6886ad069d89ccacf515eb0f0a69e4dbdee459c1e7424bb84d721afdb787c2a89248416f45e7924d243ad7ba860146a449

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

hello

C2

80.66.87.33:36976

Targets

    • Target

      88269c5eb993f4c81f3658ea9d810452789cb2d765836d443f37b42da29c2272

    • Size

      139KB

    • MD5

      81fedbdc4956f685f1a7c276cac068da

    • SHA1

      5a70686e2a4de494425760f3e55a51187c144efb

    • SHA256

      88269c5eb993f4c81f3658ea9d810452789cb2d765836d443f37b42da29c2272

    • SHA512

      0a6994b80e5ad9a312b8006c50b5ba6886ad069d89ccacf515eb0f0a69e4dbdee459c1e7424bb84d721afdb787c2a89248416f45e7924d243ad7ba860146a449

    • 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

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