General

  • Target

    8eab7ae28abf2840a987f032d33c1792

  • Size

    2.5MB

  • Sample

    240204-j94gvadbg3

  • MD5

    8eab7ae28abf2840a987f032d33c1792

  • SHA1

    f83a57c52aafc7bbf0efde077d5c3d41b1fe4cae

  • SHA256

    423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110

  • SHA512

    761b9ddf875aab51032edc0802cb87cdb71278caefb7ba6dc438301b8aabc147513e4dba31b5581f976933f07836172436a2fa903013c970ca794ff18eae1043

  • SSDEEP

    49152:xcBpEwJ84vLRaBtIl9mVdQul5JJflyldChkUzedxsFFwAbJ4j1xs57lTi96OkL:xPCvLUBsg5RcKhfedxsF2Abb5di96rL

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

cryptbot

C2

lysoip68.top

morwaf06.top

Attributes
  • payload_url

    http://damliq08.top/download.php?file=lv.exe

Extracted

Family

redline

Botnet

test1

C2

185.215.113.15:61506

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      8eab7ae28abf2840a987f032d33c1792

    • Size

      2.5MB

    • MD5

      8eab7ae28abf2840a987f032d33c1792

    • SHA1

      f83a57c52aafc7bbf0efde077d5c3d41b1fe4cae

    • SHA256

      423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110

    • SHA512

      761b9ddf875aab51032edc0802cb87cdb71278caefb7ba6dc438301b8aabc147513e4dba31b5581f976933f07836172436a2fa903013c970ca794ff18eae1043

    • SSDEEP

      49152:xcBpEwJ84vLRaBtIl9mVdQul5JJflyldChkUzedxsFFwAbJ4j1xs57lTi96OkL:xPCvLUBsg5RcKhfedxsF2Abb5di96rL

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • 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.

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • Reads user/profile data of web browsers

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks