General

  • Target

    B65C0FF839F99DC7E62BE3F78B625B78.exe

  • Size

    4.3MB

  • Sample

    210814-nyqc8778wn

  • MD5

    b65c0ff839f99dc7e62be3f78b625b78

  • SHA1

    2b1513c05230d9fa10249ff37bd2365e4188350e

  • SHA256

    2a7a01bdce9c9583c8a67f062615012c3e569fbadcabdc6369c118016acfc248

  • SHA512

    3794b8554d972ac547adcb6556a0af2bf3358ab4b820201575f46017304dd8ed863c8830cfcfe8c652436f9779cbc9621f67f01fd45153c7aad91d4ff9ef505f

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

706

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    706

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

      B65C0FF839F99DC7E62BE3F78B625B78.exe

    • Size

      4.3MB

    • MD5

      b65c0ff839f99dc7e62be3f78b625b78

    • SHA1

      2b1513c05230d9fa10249ff37bd2365e4188350e

    • SHA256

      2a7a01bdce9c9583c8a67f062615012c3e569fbadcabdc6369c118016acfc248

    • SHA512

      3794b8554d972ac547adcb6556a0af2bf3358ab4b820201575f46017304dd8ed863c8830cfcfe8c652436f9779cbc9621f67f01fd45153c7aad91d4ff9ef505f

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks