Overview

overview

10

Static

static

a3452b86a8...71.exe

windows7_x64

10

a3452b86a8...71.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19/06/2021, 03:32

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General

  • Target
    a3452b86a8f9f23566b64d2a2c22fc71.exe
  • Size 685KB
  • Sample210619-s6mfhcl13e
  • SHA256 e8a770fcbfbdf7ee350c3df44ea62a2c4e36ca523f9f14b0b770395dabea7fc4
  • MD5 SHA1 SHA512
Score
10/10
redlinevidar890james-2discoveryinfostealerspywarestealer

Malware Config

Extracted

Family

  • redline

Botnet

  • James-2

C2

  • 94.103.92.101:46795

Extracted

Family

  • vidar

Version

  • 39.3

Botnet

  • 890

C2

  • https://bandakere.tumblr.com

Attributes
  • profile_id

    890

Signatures

  • RedLine

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

    infostealerredline
  • RedLine Payload 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Vidar Stealer 1 IoCs
    stealer
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

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

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

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • autoit_exe 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3452b86a8f9f23566b64d2a2c22fc71.exe
    "C:\Users\Admin\AppData\Local\Temp\a3452b86a8f9f23566b64d2a2c22fc71.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Users\Public\run.exe
        C:\Users\Public\run.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im run.exe /f & timeout /t 6 & del /f /q "C:\Users\Public\run.exe" & del C:\ProgramData\*.dll & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4896
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im run.exe /f
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4940
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            5⤵
            • Delays execution with timeout.exe
            PID:4972
      • C:\Users\Public\run2.exe
        C:\Users\Public\run2.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:304
        • C:\Users\Public\run2.exe
          C:\Users\Public\run2.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3604
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2804
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:3784
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2512
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4112
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4668
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:5092
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:4416

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/304-127-0x0000000005540000-0x0000000005541000-memory.dmp
        Download

        memory/304-125-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
        Download

        memory/1316-140-0x0000000000A10000-0x0000000000B5A000-memory.dmp
        Download

        memory/1316-141-0x0000000000400000-0x000000000093D000-memory.dmp
        Download

        memory/3604-137-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
        Download

        memory/3604-136-0x0000000004F40000-0x0000000004F41000-memory.dmp
        Download

        memory/3604-146-0x0000000006BF0000-0x0000000006BF1000-memory.dmp
        Download

        memory/3604-147-0x00000000067B0000-0x00000000067B1000-memory.dmp
        Download

        memory/3604-148-0x0000000007620000-0x0000000007621000-memory.dmp
        Download

        memory/3604-139-0x0000000005240000-0x0000000005241000-memory.dmp
        Download

        memory/3604-129-0x0000000000400000-0x000000000041E000-memory.dmp
        Download

        memory/3604-152-0x0000000006B30000-0x0000000006B31000-memory.dmp
        Download

        memory/3604-138-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
        Download

        memory/3604-145-0x00000000064F0000-0x00000000064F1000-memory.dmp
        Download

        memory/3604-135-0x0000000004F30000-0x0000000004F31000-memory.dmp
        Download

        memory/3604-134-0x0000000005550000-0x0000000005551000-memory.dmp
        Download