General

  • Target

    dad310f9c291800939286d91b2b3206ca1f53661eed6c.exe

  • Size

    148KB

  • Sample

    210925-1mnasadhdr

  • MD5

    3a632313c80a974c4f7ac8f456b3a72c

  • SHA1

    032165f81544f62e12a88640d12613377a79b7b5

  • SHA256

    dad310f9c291800939286d91b2b3206ca1f53661eed6c9c819d269780eb37b63

  • SHA512

    5ec834fb66257721db738be75f8f8cba4119ca0675df232ab16b08306116a73fc9fc876c125ad2044b666a0e4adaca74709ea12ac1341778f50b292c192785f9

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://govsurplusstore.com/upload/

http://best-forsale.com/upload/

http://chmxnautoparts.com/upload/

http://kwazone.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

paladin

C2

94.26.228.204:32917

Targets

    • Target

      dad310f9c291800939286d91b2b3206ca1f53661eed6c.exe

    • Size

      148KB

    • MD5

      3a632313c80a974c4f7ac8f456b3a72c

    • SHA1

      032165f81544f62e12a88640d12613377a79b7b5

    • SHA256

      dad310f9c291800939286d91b2b3206ca1f53661eed6c9c819d269780eb37b63

    • SHA512

      5ec834fb66257721db738be75f8f8cba4119ca0675df232ab16b08306116a73fc9fc876c125ad2044b666a0e4adaca74709ea12ac1341778f50b292c192785f9

    • 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.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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