General

  • Target

    73f2d6971fac776780e59a33b3f3e4771527c250eaceb3040af59129829ab5e2

  • Size

    261KB

  • Sample

    211004-vdf78aggem

  • MD5

    a6430897a63ebda6908bef00def1058f

  • SHA1

    53c444955221a5c741be7a560461828541b35669

  • SHA256

    73f2d6971fac776780e59a33b3f3e4771527c250eaceb3040af59129829ab5e2

  • SHA512

    8996bb4d046631b2f91d616d5ba94f81b4d3d8b6edfde48691ad8e67cff6f1f095ad889afb1779fb2c828c19d15d908aba962962449d9f22ac82f88bf565f5d6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Proliv

C2

93.115.20.139:28978

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

@big_tastyyy

C2

87.251.71.44:80

Extracted

Family

raccoon

Botnet

61491ed5436f034714f70beac9b11914bfa969d2

Attributes
  • url4cnc

    https://t.me/hdmiprapor

rc4.plain
rc4.plain

Targets

    • Target

      73f2d6971fac776780e59a33b3f3e4771527c250eaceb3040af59129829ab5e2

    • Size

      261KB

    • MD5

      a6430897a63ebda6908bef00def1058f

    • SHA1

      53c444955221a5c741be7a560461828541b35669

    • SHA256

      73f2d6971fac776780e59a33b3f3e4771527c250eaceb3040af59129829ab5e2

    • SHA512

      8996bb4d046631b2f91d616d5ba94f81b4d3d8b6edfde48691ad8e67cff6f1f095ad889afb1779fb2c828c19d15d908aba962962449d9f22ac82f88bf565f5d6

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Tofsee

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

    • Windows security bypass

    • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner Payload

    • 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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Drops file in System32 directory

    • 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

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks