Overview

overview

10

Static

static

Fri05b5df5...62.exe

windows7_x64

10

Fri05b5df5...62.exe

windows7_x64

10

Fri05b5df5...62.exe

windows7_x64

10

Fri05b5df5...62.exe

windows11_x64

10

Fri05b5df5...62.exe

windows10_x64

10

Fri05b5df5...62.exe

windows10_x64

10

Fri05b5df5...62.exe

windows10_x64

10

Analysis

  • max time kernel
    1800s
  • max time network
    1587s
  • platform
    windows7_x64
  • resource
    win7-de-20210920
  • submitted
    22-10-2021 14:39

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General

  • Target

    Fri05b5df5106928d62.exe

  • Size

    403KB

  • MD5

    962b4643e91a2bf03ceeabcdc3d32fff

  • SHA1

    994eac3e4f3da82f19c3373fdc9b0d6697a4375d

  • SHA256

    d2671668c6b2c9da5d319e60dea54361a2cbb362e46628cf0dccb5ff0baf786b

  • SHA512

    ef6f4a5ccfff09506c925003ac49837d771787028fddcf2183e98cba2794df375fd0d5099e36abf8fedfc0dddd10ad076d2fc69a77b8ffd8180215b5cfc88dfd

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\Fri05b5df5106928d62.exe
    "C:\Users\Admin\AppData\Local\Temp\Fri05b5df5106928d62.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\Pictures\Adobe Films\cd4Z9e8UpSxX8o3kM0LfY3JN.exe
      "C:\Users\Admin\Pictures\Adobe Films\cd4Z9e8UpSxX8o3kM0LfY3JN.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 1340
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:864
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4C70E113-7879-45EF-BFA2-8DDCEDC99E1E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
      PID:1968
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {81FD261F-349D-4892-9CF1-C9FFBD348209} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Program Files\Mozilla Firefox\default-browser-agent.exe
        "C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
        2⤵
          PID:524

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Modify Existing Service

      1
      T1031

      Privilege Escalation

      Defense Evasion

      Modify Registry

      1
      T1112

      Disabling Security Tools

      1
      T1089

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Web Service

      1
      T1102

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\Pictures\Adobe Films\cd4Z9e8UpSxX8o3kM0LfY3JN.exe
        MD5

        3f22bd82ee1b38f439e6354c60126d6d

        SHA1

        63b57d818f86ea64ebc8566faeb0c977839defde

        SHA256

        265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

        SHA512

        b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

        Download Submit
      • \Users\Admin\Pictures\Adobe Films\cd4Z9e8UpSxX8o3kM0LfY3JN.exe
        MD5

        3f22bd82ee1b38f439e6354c60126d6d

        SHA1

        63b57d818f86ea64ebc8566faeb0c977839defde

        SHA256

        265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

        SHA512

        b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

        Download Submit
      • memory/524-61-0x0000000000000000-mapping.dmp
        Download
      • memory/556-54-0x0000000076391000-0x0000000076393000-memory.dmp
        Filesize

        8KB

        Download
      • memory/556-55-0x0000000003860000-0x00000000039AA000-memory.dmp
        Filesize

        1.3MB

        Download
      • memory/864-59-0x0000000000000000-mapping.dmp
        Download
      • memory/864-60-0x0000000000310000-0x0000000000311000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1812-57-0x0000000000000000-mapping.dmp
        Download