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Analysis

  • max time kernel
    45s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    15/11/2022, 14:32

General

  • Target

    3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5.exe

  • Size

    450KB

  • MD5

    1f2d5f5d0d9e2b1f1c2578fa486b5d9a

  • SHA1

    66c1aad77ab3a225a364ea4968cde3ee036a3273

  • SHA256

    3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5

  • SHA512

    967de776b452c9828aacfcb12f8e743fa406e68a8fe55b0e3b3ef5387a7b39c68db82503c82f9e182a61eba0ee19e255f0bc3eb22e672f70765513f275a62583

  • SSDEEP

    12288:Hdl8dX+FMUc2+Z6i3/VmUxpoex4PUunUv4:HdiXWxR+Z6i3/V9N4zW4

Malware Config

Extracted

Family

fickerstealer

C2

fickitd.link:8080

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Reads local data of messenger clients 2 TTPs

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

  • 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.

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5.exe
    "C:\Users\Admin\AppData\Local\Temp\3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5.exe
      "C:\Users\Admin\AppData\Local\Temp\3a74357c64f3db596be5ed271a97d87dfe9cc919d96d524cc86e3cba786991b5.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1756-55-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1756-59-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1756-61-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB

  • memory/1756-62-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1756-63-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2020-54-0x0000000000A58000-0x0000000000A90000-memory.dmp

    Filesize

    224KB

  • memory/2020-58-0x0000000000A58000-0x0000000000A90000-memory.dmp

    Filesize

    224KB

  • memory/2020-60-0x0000000000220000-0x0000000000284000-memory.dmp

    Filesize

    400KB