General

  • Target

    1534960155795912767f0c903aab042c816efddbaae315f03b53f590501d8fbe

  • Size

    280KB

  • Sample

    220922-tc6aaaffbr

  • MD5

    13f29cd8ac9782f446c79e83d5e099bf

  • SHA1

    8ac177202195726fd8b917281dce14f3cf6a8c50

  • SHA256

    1534960155795912767f0c903aab042c816efddbaae315f03b53f590501d8fbe

  • SHA512

    4fa8579bc977c561d142f466ee22ba6b7bf8014f60930234bd7364fa017408beb4e1924d32eb6bc8dc3887c2cd4af6bd69031827e2580b76e3c3aaddd7eecaba

  • SSDEEP

    6144:4BYIKgyi+aLFTlKCc1eWiAFVZpegMcD0eC/igavwVfQK:4BBECHKCc1akpe/N6Y

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (Sup: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    56c6f7b9024c076f0a96931453da7e56

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      1534960155795912767f0c903aab042c816efddbaae315f03b53f590501d8fbe

    • Size

      280KB

    • MD5

      13f29cd8ac9782f446c79e83d5e099bf

    • SHA1

      8ac177202195726fd8b917281dce14f3cf6a8c50

    • SHA256

      1534960155795912767f0c903aab042c816efddbaae315f03b53f590501d8fbe

    • SHA512

      4fa8579bc977c561d142f466ee22ba6b7bf8014f60930234bd7364fa017408beb4e1924d32eb6bc8dc3887c2cd4af6bd69031827e2580b76e3c3aaddd7eecaba

    • SSDEEP

      6144:4BYIKgyi+aLFTlKCc1eWiAFVZpegMcD0eC/igavwVfQK:4BBECHKCc1akpe/N6Y

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Deletes itself

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks