General

  • Target

    54dc032c3503998eaa404dde9c677851856838e737edb.exe

  • Size

    490KB

  • Sample

    220205-mtzeqsaeg8

  • MD5

    a500638434b5108c1b21426c8d726509

  • SHA1

    6847ba9b1cd63ac4ec14070b570753023efc2ea7

  • SHA256

    54dc032c3503998eaa404dde9c677851856838e737edb3d198fb7c173562859e

  • SHA512

    d24d2473d2ec64f551bd39ce5c577efa4e6c10148dda4bb6d6bfed95732c780f896a1cb68aaa112439b5ba81072913bbdc4e4686e224e41620680dba06cca282

Malware Config

Extracted

Family

redline

Botnet

mama

C2

91.243.32.100:2358

Targets

    • Target

      54dc032c3503998eaa404dde9c677851856838e737edb.exe

    • Size

      490KB

    • MD5

      a500638434b5108c1b21426c8d726509

    • SHA1

      6847ba9b1cd63ac4ec14070b570753023efc2ea7

    • SHA256

      54dc032c3503998eaa404dde9c677851856838e737edb3d198fb7c173562859e

    • SHA512

      d24d2473d2ec64f551bd39ce5c577efa4e6c10148dda4bb6d6bfed95732c780f896a1cb68aaa112439b5ba81072913bbdc4e4686e224e41620680dba06cca282

    • RedLine

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

    • RedLine Payload

    • 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.

    • Loads dropped DLL

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks