General

  • Target

    wzBZ2Soy.tmp.exe

  • Size

    124KB

  • Sample

    200917-1kkjyfbsnx

  • MD5

    6c991d5affa2459d95081b49d637443f

  • SHA1

    c367ad2377fedc2c4673a90bb43f627e2c6a8c65

  • SHA256

    ce742b08116021dcf036bd218757a750e37d604e20e55a4e44389ce96e63181e

  • SHA512

    38ad3fd7da004d6b648decc9da6cd2926e1555f4eecf901b7ccc5ff4111086d55a5878107859f30f78ad7f5a73f98d9cc696a399b26986b960e8b1ef35116b32

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.09.17 - 03:11:08 GMT Bot_ID: 992575D9-3ACE-4400-98F7-F39D82F3369F_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 0 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: ELJKIHEZ - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (417 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Extracted

Family

smokeloader

Version

2020

C2

http://dkajsdjiqwdwnfj.info/

http://2831ujedkdajsdj.info/

http://928eijdksasnfss.info/

https://dkajsdjiqwdwnfj.info/

https://2831ujedkdajsdj.info/

https://928eijdksasnfss.info/

rc4.i32
rc4.i32

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.09.17 - 05:10:01 GMT Bot_ID: 18823CA4-5761-4226-8787-CF36135F1C68_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: LZUKLIOU - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (713 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Targets

    • Target

      wzBZ2Soy.tmp.exe

    • Size

      124KB

    • MD5

      6c991d5affa2459d95081b49d637443f

    • SHA1

      c367ad2377fedc2c4673a90bb43f627e2c6a8c65

    • SHA256

      ce742b08116021dcf036bd218757a750e37d604e20e55a4e44389ce96e63181e

    • SHA512

      38ad3fd7da004d6b648decc9da6cd2926e1555f4eecf901b7ccc5ff4111086d55a5878107859f30f78ad7f5a73f98d9cc696a399b26986b960e8b1ef35116b32

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon log file

      Detects a log file produced by the Raccoon Stealer.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • Blacklisted process makes network request

    • Executes dropped EXE

    • 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.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • JavaScript code in executable

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks