Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 16:02

General

  • Target

    4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe

  • Size

    613KB

  • MD5

    1db4a51100e3232069a4d5458e38b319

  • SHA1

    635a5278d1eaef481345014378d2f79fc3161b82

  • SHA256

    4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2

  • SHA512

    ef49bd40d6d56f08ef294dbb3eb0e8a66d5ff03d257a25789559dbe18a5a482bfad57b19014fa2ed66d5a8716b27b26f68fc5cbb2408ff1a7b3d918ca3d06336

  • SSDEEP

    12288:Stons9H6k4J4EbhpCRMft7DvTZPa2hLjPn39kub:3nu6X4Eu2lTTDjP39bb

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
  • 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 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe
    "C:\Users\Admin\AppData\Local\Temp\4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Velsesmaterialer=Get-Content -raw 'C:\Users\Admin\AppData\Local\akustikeres\springavancementerne\tvrdriver.Dob175';$udueligeres=$Velsesmaterialer.SubString(55839,3);.$udueligeres($Velsesmaterialer)"
      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:4288
      • 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
        • outlook_office_path
        • outlook_win_path
        PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a205caan.wrn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\akustikeres\springavancementerne\Entreats.rso

    Filesize

    331KB

    MD5

    07e1551ff86c3a02cc4ade81aad1a57d

    SHA1

    11b8192abac18823b6a1f10ea2e8cf0d9b6ac10b

    SHA256

    437bda3bc2978d74c4aa37d6a717b519b3f491492a673d329f36f54dd7764997

    SHA512

    4af3c83cf79465cdb5cf467636aac784e1d1c97421c7d64216ffd3e02ed536c6543658ab3c351870722c3eb159bd496dc332a77fe2cbb55dd65f7b89d895acb9

  • C:\Users\Admin\AppData\Local\akustikeres\springavancementerne\tvrdriver.Dob175

    Filesize

    54KB

    MD5

    7562ce0c4f392e2b16af6e4e2ed86bbf

    SHA1

    3f17f397709f6276b2345e09a30abe657614e5c4

    SHA256

    e3f186006ceac653cb2fb3fd1a3f3d531246ee599efecb8aed68bed27d860e0a

    SHA512

    2f98d074df39c3bcf3ffae38c911b90487499a8c40fd1a4c45d7c9acf804acb3edf6d820295c4f1c4226be00a9a358b4db1c94936896e01a7f6bbda89ce60334

  • memory/1648-67-0x0000000001200000-0x0000000002454000-memory.dmp

    Filesize

    18.3MB

  • memory/1648-81-0x0000000001200000-0x0000000002454000-memory.dmp

    Filesize

    18.3MB

  • memory/1648-89-0x0000000022E60000-0x0000000022E6A000-memory.dmp

    Filesize

    40KB

  • memory/1648-88-0x0000000025870000-0x0000000025902000-memory.dmp

    Filesize

    584KB

  • memory/1648-86-0x0000000025740000-0x0000000025790000-memory.dmp

    Filesize

    320KB

  • memory/1648-85-0x0000000025F20000-0x00000000260E2000-memory.dmp

    Filesize

    1.8MB

  • memory/1648-83-0x00000000253C0000-0x000000002545C000-memory.dmp

    Filesize

    624KB

  • memory/1648-82-0x0000000001200000-0x0000000001248000-memory.dmp

    Filesize

    288KB

  • memory/4288-46-0x0000000007D30000-0x0000000007D4E000-memory.dmp

    Filesize

    120KB

  • memory/4288-51-0x0000000008590000-0x00000000085BA000-memory.dmp

    Filesize

    168KB

  • memory/4288-24-0x0000000006280000-0x00000000065D4000-memory.dmp

    Filesize

    3.3MB

  • memory/4288-25-0x0000000006880000-0x000000000689E000-memory.dmp

    Filesize

    120KB

  • memory/4288-26-0x00000000068B0000-0x00000000068FC000-memory.dmp

    Filesize

    304KB

  • memory/4288-27-0x0000000006E20000-0x0000000006EB6000-memory.dmp

    Filesize

    600KB

  • memory/4288-28-0x0000000006DD0000-0x0000000006DEA000-memory.dmp

    Filesize

    104KB

  • memory/4288-29-0x0000000007890000-0x00000000078B2000-memory.dmp

    Filesize

    136KB

  • memory/4288-30-0x0000000007E70000-0x0000000008414000-memory.dmp

    Filesize

    5.6MB

  • memory/4288-32-0x0000000008AA0000-0x000000000911A000-memory.dmp

    Filesize

    6.5MB

  • memory/4288-33-0x0000000007CF0000-0x0000000007D22000-memory.dmp

    Filesize

    200KB

  • memory/4288-34-0x0000000071040000-0x000000007108C000-memory.dmp

    Filesize

    304KB

  • memory/4288-35-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-13-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB

  • memory/4288-36-0x0000000071220000-0x0000000071574000-memory.dmp

    Filesize

    3.3MB

  • memory/4288-47-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-48-0x0000000007D60000-0x0000000007E03000-memory.dmp

    Filesize

    652KB

  • memory/4288-49-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-50-0x0000000007E60000-0x0000000007E6A000-memory.dmp

    Filesize

    40KB

  • memory/4288-14-0x0000000005AE0000-0x0000000005B46000-memory.dmp

    Filesize

    408KB

  • memory/4288-52-0x00000000085C0000-0x00000000085E4000-memory.dmp

    Filesize

    144KB

  • memory/4288-53-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-55-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-54-0x000000007522E000-0x000000007522F000-memory.dmp

    Filesize

    4KB

  • memory/4288-56-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-58-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-59-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-60-0x0000000009120000-0x000000000E0FD000-memory.dmp

    Filesize

    79.9MB

  • memory/4288-61-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-62-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-64-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-12-0x00000000059D0000-0x00000000059F2000-memory.dmp

    Filesize

    136KB

  • memory/4288-11-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-10-0x0000000005B50000-0x0000000006178000-memory.dmp

    Filesize

    6.2MB

  • memory/4288-9-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-8-0x00000000017E0000-0x0000000001816000-memory.dmp

    Filesize

    216KB

  • memory/4288-7-0x000000007522E000-0x000000007522F000-memory.dmp

    Filesize

    4KB

  • memory/4288-65-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-66-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB