Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-07-2021 13:46

General

  • Target

    532.dll

  • Size

    200KB

  • MD5

    7348620f737ec1b0997cae7548344f2c

  • SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

  • SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

  • SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

Malware Config

Extracted

Family

hancitor

Botnet

2207_xwpi67

C2

http://tholeferli.com/8/forum.php

http://aidgodown.ru/8/forum.php

http://relifleappin.ru/8/forum.php

Extracted

Family

fickerstealer

C2

pospvisis.com:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3760-115-0x0000000004A50000-0x0000000004B16000-memory.dmp

    Filesize

    792KB

  • memory/3760-117-0x0000000004A51000-0x0000000004A69000-memory.dmp

    Filesize

    96KB

  • memory/3760-116-0x0000000004A50000-0x0000000004A5A000-memory.dmp

    Filesize

    40KB

  • memory/3760-118-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

    Filesize

    4KB

  • memory/3932-119-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3932-123-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB