Overview

overview

10

Static

static

1

C4Loader.exe

windows7-x64

10

C4Loader.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    C4Loader.exe

  • Size

    856KB

  • Sample

    230403-lx9t7sdh99

  • MD5

    3b8f84a1a0761f8bab9d6b0a90e6949e

  • SHA1

    9c758991135d977d2660f1b814b973db0e119efc

  • SHA256

    2bcbbe13d000426f4be27871e3c472dbf33673551a684229e9234e6387b045e1

  • SHA512

    3bae19a2a3abddc66faf78cab3caf99aa1988607ca844294d37450a7eb3be2454ae1a4034e38df4dabef63a2f8fd5b9084fccfcaf3d2b72ff5c62cb79bdae2e1

  • SSDEEP

    3072:HnoTMG2OWGJAez/eyN/09XMT9THz4JHSV0h2sFeJOMkdIGq:HYfAebec09Q0ZwQCGq

Score
10/10
auroraevasionspywarestealer

Malware Config

Extracted

Family

aurora

C2

107.182.129.73:8081

Targets

    • Target

      C4Loader.exe

    • Size

      856KB

    • MD5

      3b8f84a1a0761f8bab9d6b0a90e6949e

    • SHA1

      9c758991135d977d2660f1b814b973db0e119efc

    • SHA256

      2bcbbe13d000426f4be27871e3c472dbf33673551a684229e9234e6387b045e1

    • SHA512

      3bae19a2a3abddc66faf78cab3caf99aa1988607ca844294d37450a7eb3be2454ae1a4034e38df4dabef63a2f8fd5b9084fccfcaf3d2b72ff5c62cb79bdae2e1

    • SSDEEP

      3072:HnoTMG2OWGJAez/eyN/09XMT9THz4JHSV0h2sFeJOMkdIGq:HYfAebec09Q0ZwQCGq

    Score
    10/10
    auroraevasionstealerspyware

    • Aurora

      Aurora is a crypto wallet stealer written in Golang.

      stealeraurora

    • Modifies security service

      evasion

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Impair Defenses

1
T1562

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Tasks