General

  • Target

    d6f779aaaaba924470bb17be5bcf6e765f641d379100240948ade5c498f06c2f

  • Size

    165KB

  • Sample

    210828-rm7jxgxtc6

  • MD5

    53028668f94337794046945928862a98

  • SHA1

    9d6345d0524a7f8f9db20fbb24c6ec19fdbf4a7f

  • SHA256

    d6f779aaaaba924470bb17be5bcf6e765f641d379100240948ade5c498f06c2f

  • SHA512

    ba46370d68678773e117e3b9a8646e38291ebb063eebf902c27b2cb7f095de7ba336f1eae87b46e2e49ccd89231798e75f8b5a85b852282ee3154b283e19375a

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

      d6f779aaaaba924470bb17be5bcf6e765f641d379100240948ade5c498f06c2f

    • Size

      165KB

    • MD5

      53028668f94337794046945928862a98

    • SHA1

      9d6345d0524a7f8f9db20fbb24c6ec19fdbf4a7f

    • SHA256

      d6f779aaaaba924470bb17be5bcf6e765f641d379100240948ade5c498f06c2f

    • SHA512

      ba46370d68678773e117e3b9a8646e38291ebb063eebf902c27b2cb7f095de7ba336f1eae87b46e2e49ccd89231798e75f8b5a85b852282ee3154b283e19375a

    • 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