Analysis

  • max time kernel
    106s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    31-10-2021 20:20

General

  • Target

    Sun038db98f99bf9a.exe

  • Size

    172KB

  • MD5

    7c3cf9ce3ffb1e5dd48896fdc9080bab

  • SHA1

    34b4976f8f83c1e0a9d277d2a103a61616178728

  • SHA256

    b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83

  • SHA512

    52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

s0iw

C2

http://www.kyiejenner.com/s0iw/

Decoy

ortopediamodelo.com

orimshirts.store

universecatholicweekly.info

yvettechan.com

sersaudavelsempre.online

face-booking.net

europeanretailgroup.com

umofan.com

roemahbajumuslim.online

joyrosecuisine.net

3dmaker.house

megdb.xyz

stereoshopie.info

gv5rm.com

tdc-trust.com

mcglobal.club

choral.works

onlineconsultantgroup.com

friscopaintandbody.com

midwestii.com

Extracted

Family

raccoon

Botnet

8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

41.6

Botnet

937

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    937

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 3 IoCs

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

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

  • Socelars Payload 2 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 2 IoCs
  • Xloader Payload 3 IoCs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 31 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 6 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 10 IoCs
  • NSIS installer 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 18 IoCs