General

  • Target

    dafa83d84b03fcfac9730d199c122b96

  • Size

    3.0MB

  • Sample

    240321-hp11jsea32

  • MD5

    dafa83d84b03fcfac9730d199c122b96

  • SHA1

    49f0f9a195c39023bd72414bdf907815a9a453d6

  • SHA256

    1a263b2603212ff1e492d9e0c718f12601789e27eaaba9a7a7048b4080c08bcb

  • SHA512

    a96b153b271b586d700e10ff512d053e8b6951d32b2f9fbf0175d55d923c37f775a1cb87ffc6e009d074de22d76992f066f014b4be7d5e96ad65ec0b7d5452d2

  • SSDEEP

    49152:xcBff7zgcRFIMWab1+IjfHybCMFTBgITBaixfk0eW7Ox/iRzyulUEwJ84vLRaBtm:xc4cDLx0JDg2nf4Em/SzyWDCvLUBsKu

Malware Config

Extracted

Family

nullmixer

C2

http://motiwa.xyz/

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      dafa83d84b03fcfac9730d199c122b96

    • Size

      3.0MB

    • MD5

      dafa83d84b03fcfac9730d199c122b96

    • SHA1

      49f0f9a195c39023bd72414bdf907815a9a453d6

    • SHA256

      1a263b2603212ff1e492d9e0c718f12601789e27eaaba9a7a7048b4080c08bcb

    • SHA512

      a96b153b271b586d700e10ff512d053e8b6951d32b2f9fbf0175d55d923c37f775a1cb87ffc6e009d074de22d76992f066f014b4be7d5e96ad65ec0b7d5452d2

    • SSDEEP

      49152:xcBff7zgcRFIMWab1+IjfHybCMFTBgITBaixfk0eW7Ox/iRzyulUEwJ84vLRaBtm:xc4cDLx0JDg2nf4Em/SzyWDCvLUBsKu

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks