Overview

overview

10

Static

static

Fri051e1e7444.exe

windows7_x64

10

Fri051e1e7444.exe

windows7_x64

10

Fri051e1e7444.exe

windows7_x64

10

Fri051e1e7444.exe

windows11_x64

10

Fri051e1e7444.exe

windows10_x64

10

Fri051e1e7444.exe

windows10_x64

10

Fri051e1e7444.exe

windows10_x64

10

Resubmissions

23-10-2021 15:52

211023-tbkbesdcfm 10

22-10-2021 17:40

211022-v8trsscggr 10

22-10-2021 15:55

211022-tc9ygacgan 10

22-10-2021 14:38

211022-rz1bfabgb8 10

Analysis

  • max time kernel
    1801s
  • max time network
    1803s
  • platform
    windows7_x64
  • resource
    win7-ja-20210920
  • submitted
    22-10-2021 14:38

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General

  • Target

    Fri051e1e7444.exe

  • Size

    403KB

  • MD5

    b4c503088928eef0e973a269f66a0dd2

  • SHA1

    eb7f418b03aa9f21275de0393fcbf0d03b9719d5

  • SHA256

    2a95ce43c87b8a26be71a459eae796a572422bd99cf0b9a3580a3a68e7dbd1a2

  • SHA512

    c6fe2e2b5fbf9348701d1721f2b7ac7589b04b0308ae152e3a7186692b14f35e55bc7eed0c94a03031837b6f2b6aa4dc8d094aefce02913f1fbc4dedea452465

Score
10/10
evasionspywarestealertrojan

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fri051e1e7444.exe
    "C:\Users\Admin\AppData\Local\Temp\Fri051e1e7444.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\Pictures\Adobe Films\57WSHVqOmP7_KqZkm3ktD4kJ.exe
      "C:\Users\Admin\Pictures\Adobe Films\57WSHVqOmP7_KqZkm3ktD4kJ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 1340
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1704
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0E93115B-37C7-4EA8-AD32-A2EC0A743532} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
      PID:1512
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {513DBCEC-A3BD-4D48-819C-9739424DE8B3} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Program Files\Mozilla Firefox\default-browser-agent.exe
        "C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
        2⤵
          PID:276

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1704-60-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1836-54-0x0000000075741000-0x0000000075743000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1836-55-0x0000000003710000-0x000000000385A000-memory.dmp

        Filesize

        1.3MB

        Download