General

  • Target

    b91e19b349426d0bd81de1299ac9e639e8d1d675adc52c2619325bfb4a2836e5

  • Size

    256KB

  • Sample

    211014-s4sb3aaaa8

  • MD5

    e55480871748ce9135975f7e9b89eaf5

  • SHA1

    a3b5dd90fa3f97d39424fde5680b43569c824df8

  • SHA256

    b91e19b349426d0bd81de1299ac9e639e8d1d675adc52c2619325bfb4a2836e5

  • SHA512

    9f66715282c41cf0555b531332c9997f6a1295ccfdbe6b72620bedab3652c2f0269ac8bc366da5401fc35addb02cb36bc1be25deea5c18c50b43ba8037444255

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://honawey7.top/

http://wijibui0.top/

http://hefahei6.top/

http://pipevai4.top/

http://nalirou7.top/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

raccoon

Version

1.8.2

Botnet

fbe5e97e7d069407605ee9138022aa82166657e6

Attributes
  • url4cnc

    http://telemirror.top/stevuitreen

    http://tgmirror.top/stevuitreen

    http://telegatt.top/stevuitreen

    http://telegka.top/stevuitreen

    http://telegin.top/stevuitreen

    https://t.me/stevuitreen

rc4.plain
rc4.plain

Targets

    • Target

      b91e19b349426d0bd81de1299ac9e639e8d1d675adc52c2619325bfb4a2836e5

    • Size

      256KB

    • MD5

      e55480871748ce9135975f7e9b89eaf5

    • SHA1

      a3b5dd90fa3f97d39424fde5680b43569c824df8

    • SHA256

      b91e19b349426d0bd81de1299ac9e639e8d1d675adc52c2619325bfb4a2836e5

    • SHA512

      9f66715282c41cf0555b531332c9997f6a1295ccfdbe6b72620bedab3652c2f0269ac8bc366da5401fc35addb02cb36bc1be25deea5c18c50b43ba8037444255

    • 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.

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Nirsoft

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • 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

3
T1089

Modify Registry

4
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks