Analysis

  • max time kernel
    144s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 11:44

General

  • Target

    f2a43dfd835590b763acc7ee05f4763c0cb047f50d8a1b82ff4c56c528e9f73a.exe

  • Size

    443KB

  • MD5

    eb54141b5e25102ff3b58c37705752ce

  • SHA1

    11a0cddab8eb1d02e56ae7431cd341308ab97d15

  • SHA256

    f2a43dfd835590b763acc7ee05f4763c0cb047f50d8a1b82ff4c56c528e9f73a

  • SHA512

    2a18299b04ef8d78b34081412858106471e480d253ce4b83ccda08368833e08fa739443e4b674e2b4e5ef0723b8ea4d0f6abfdb1d8af2711d00b384f53f6deae

  • SSDEEP

    12288:aTMfFqZXFzJOEL9GiKuULwuxr2sN9cdPV+a:aTMfFqxFkuK1LBig9qPV

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 8 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2a43dfd835590b763acc7ee05f4763c0cb047f50d8a1b82ff4c56c528e9f73a.exe
    "C:\Users\Admin\AppData\Local\Temp\f2a43dfd835590b763acc7ee05f4763c0cb047f50d8a1b82ff4c56c528e9f73a.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Filatelistens129=Get-Content -raw 'C:\Users\Admin\AppData\Local\storsejl\Swanson.Dru';$Flelsesbetonedes=$Filatelistens129.SubString(54366,3);.$Flelsesbetonedes($Filatelistens129)
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5k3laec.xd3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\storsejl\Swanson.Dru

    Filesize

    53KB

    MD5

    65bc8a11ffd407733d75db48b12391db

    SHA1

    b526649bf4e91d4ef50ce1b57d07a701577da863

    SHA256

    74912feae84ab608ad64d41ca97903d73a0da5b250bb333f41bea8fb73acfbd5

    SHA512

    ec2187b6c90956b8c49238154a429b522ecbebba93bbfc788aa08eea13cb28f6632fcb14539911b577bfe19c7a6d9d0575d6fcb6a27eb35d8333172711eb07e3

  • C:\Users\Admin\AppData\Local\storsejl\collaborativeness.Far

    Filesize

    205KB

    MD5

    9e14a70e60334a2faf20cda5e3911554

    SHA1

    2c736f40824d346bb52a4956d452965743a0703f

    SHA256

    e7d0db56c30835e9242b5b803f7d558ef24f23d17186b7ca23e4a704016322df

    SHA512

    a105846fe492171b0b05066d491260896bdc2edf9f0a36dc932d995b74f344af2be800c40ba14b5ba5a6080457ffc5757e8131b216829b56a7204ee8d974b85f

  • memory/872-74-0x0000000000A30000-0x0000000001C84000-memory.dmp

    Filesize

    18.3MB

  • memory/872-87-0x0000000000A30000-0x0000000001C84000-memory.dmp

    Filesize

    18.3MB

  • memory/872-95-0x0000000026260000-0x000000002626A000-memory.dmp

    Filesize

    40KB

  • memory/872-93-0x0000000025F60000-0x0000000025FF2000-memory.dmp

    Filesize

    584KB

  • memory/872-92-0x0000000025E40000-0x0000000025E90000-memory.dmp

    Filesize

    320KB

  • memory/872-91-0x0000000026010000-0x00000000261D2000-memory.dmp

    Filesize

    1.8MB

  • memory/872-89-0x00000000253C0000-0x000000002545C000-memory.dmp

    Filesize

    624KB

  • memory/872-88-0x0000000000A30000-0x0000000000A72000-memory.dmp

    Filesize

    264KB

  • memory/4532-42-0x000000006FE70000-0x00000000701C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4532-57-0x0000000007560000-0x000000000758A000-memory.dmp

    Filesize

    168KB

  • memory/4532-30-0x00000000059D0000-0x0000000005D24000-memory.dmp

    Filesize

    3.3MB

  • memory/4532-31-0x0000000005E20000-0x0000000005E3E000-memory.dmp

    Filesize

    120KB

  • memory/4532-32-0x0000000005E70000-0x0000000005EBC000-memory.dmp

    Filesize

    304KB

  • memory/4532-33-0x0000000006FF0000-0x0000000007086000-memory.dmp

    Filesize

    600KB

  • memory/4532-34-0x0000000006340000-0x000000000635A000-memory.dmp

    Filesize

    104KB

  • memory/4532-35-0x0000000006390000-0x00000000063B2000-memory.dmp

    Filesize

    136KB

  • memory/4532-36-0x0000000007680000-0x0000000007C24000-memory.dmp

    Filesize

    5.6MB

  • memory/4532-38-0x00000000082B0000-0x000000000892A000-memory.dmp

    Filesize

    6.5MB

  • memory/4532-41-0x000000006FD10000-0x000000006FD5C000-memory.dmp

    Filesize

    304KB

  • memory/4532-40-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-39-0x0000000007270000-0x00000000072A2000-memory.dmp

    Filesize

    200KB

  • memory/4532-25-0x00000000057A0000-0x0000000005806000-memory.dmp

    Filesize

    408KB

  • memory/4532-52-0x00000000072B0000-0x00000000072CE000-memory.dmp

    Filesize

    120KB

  • memory/4532-54-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-53-0x00000000072E0000-0x0000000007383000-memory.dmp

    Filesize

    652KB

  • memory/4532-55-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-56-0x00000000073E0000-0x00000000073EA000-memory.dmp

    Filesize

    40KB

  • memory/4532-21-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/4532-58-0x0000000004B90000-0x0000000004BB4000-memory.dmp

    Filesize

    144KB

  • memory/4532-59-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-62-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-61-0x000000007388E000-0x000000007388F000-memory.dmp

    Filesize

    4KB

  • memory/4532-63-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-64-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-66-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-67-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-68-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-70-0x0000000008930000-0x000000000E1B1000-memory.dmp

    Filesize

    88.5MB

  • memory/4532-71-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-18-0x0000000005690000-0x00000000056B2000-memory.dmp

    Filesize

    136KB

  • memory/4532-17-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-15-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-16-0x0000000004F10000-0x0000000005538000-memory.dmp

    Filesize

    6.2MB

  • memory/4532-14-0x00000000048A0000-0x00000000048D6000-memory.dmp

    Filesize

    216KB

  • memory/4532-13-0x000000007388E000-0x000000007388F000-memory.dmp

    Filesize

    4KB

  • memory/4532-72-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4532-73-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB