Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    16/12/2021, 13:02

General

  • Target
    c16c308d6708f8329456a2a7c73f1a12.exe
  • Size 334KB
  • Sample211216-p9scgacbb7
  • SHA256 f855e3de2fd7f2613a2cfb6e4a59443af8f6bdb3ca1ef6591a5163d276afb0ba
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://rcacademy.at/upload/

  • http://e-lanpengeonline.com/upload/

  • http://vjcmvz.cn/upload/

  • http://galala.ru/upload/

  • http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • ww

C2
  • 45.9.20.168:46257

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c16c308d6708f8329456a2a7c73f1a12.exe
    "C:\Users\Admin\AppData\Local\Temp\c16c308d6708f8329456a2a7c73f1a12.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:968
  • C:\Users\Admin\AppData\Local\Temp\8B9D.exe
    C:\Users\Admin\AppData\Local\Temp\8B9D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1056

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/968-56-0x00000000756C1000-0x00000000756C3000-memory.dmp

        memory/968-57-0x0000000000220000-0x0000000000229000-memory.dmp

        memory/968-58-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/968-55-0x00000000006CB000-0x00000000006DC000-memory.dmp

        memory/1056-68-0x0000000004A12000-0x0000000004A13000-memory.dmp

        memory/1056-62-0x00000000006AB000-0x00000000006D7000-memory.dmp

        memory/1056-63-0x0000000000220000-0x0000000000259000-memory.dmp

        memory/1056-64-0x0000000000400000-0x00000000004F1000-memory.dmp

        memory/1056-65-0x0000000000920000-0x000000000094E000-memory.dmp

        memory/1056-66-0x0000000002350000-0x000000000237D000-memory.dmp

        memory/1056-67-0x0000000004A11000-0x0000000004A12000-memory.dmp

        memory/1056-69-0x0000000004A13000-0x0000000004A14000-memory.dmp

        memory/1056-70-0x0000000004A14000-0x0000000004A16000-memory.dmp

        memory/1220-59-0x0000000002A00000-0x0000000002A16000-memory.dmp