Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 19:47

General

  • Target

    855acbd89e8548eaaa06d25d0c767f6a1d550afd766c145d04a3fbc2eae6b80e.exe

  • Size

    1.0MB

  • MD5

    ca3706dd6a93c5928ee3252054a7ec74

  • SHA1

    402c4c006bf0e4d7afec7687f6033dccf11c6aa1

  • SHA256

    855acbd89e8548eaaa06d25d0c767f6a1d550afd766c145d04a3fbc2eae6b80e

  • SHA512

    e83540a28bb8b6a014d40cc66842b0c045e712f894df967ade6939461120f61a9580c85c3915aa8103c4faa40077a26d9e9dbecfc7086a9529105c2e409b048d

  • SSDEEP

    24576:Ij+EfvosO3Hx7JwmNG3Ap137dboaPjyMi76Kb0:Y+MvpoOt3IRM+i76f

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
  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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\855acbd89e8548eaaa06d25d0c767f6a1d550afd766c145d04a3fbc2eae6b80e.exe
    "C:\Users\Admin\AppData\Local\Temp\855acbd89e8548eaaa06d25d0c767f6a1d550afd766c145d04a3fbc2eae6b80e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$Lucid=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\Polysulfonate\sangersken\Thiostannous.Acu';$Astelic=$Lucid.SubString(38084,3);.$Astelic($Lucid)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1164
      • 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:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3afzcae4.vvk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Polysulfonate\sangersken\Chiffonet.Ful

    Filesize

    339KB

    MD5

    39b0c0cf6d25b364d98840393dbea7f3

    SHA1

    eb6abe677a18bc3a161c5994c17c9e71f36c5858

    SHA256

    fd00d2f748df7bf57d8f1b8ecd96c7c7d48c1d8c09f51b60e28604909e1ddbf8

    SHA512

    2717f5f40538f76a19856f2b381a47c6a8ada9d88c0db1d0c4a5c1a56f01413d95cf309c2775412ed36ac2e2f5e9d175cae9cd97caae49ab41f5c489a5821942

  • C:\Users\Admin\AppData\Roaming\Polysulfonate\sangersken\Thiostannous.Acu

    Filesize

    70KB

    MD5

    48f0b11394175f6bb32ab16ce8aaa446

    SHA1

    a3b755ba1fb7a92c5196a43e386eb0a845e6f828

    SHA256

    32de1d7c55c09a44da7c79a55e1653a6a8a1f9215259bbb2b1defd7a6bf0c9a0

    SHA512

    f4f016d1655b4bbd90effc5e5d090b683f9a9fb76f5c02e78536cfb1bc3ba185df648ba8eec5c140ff5868b7b5860fa0fb07242290565335cabfa5af3c66a941

  • memory/1164-8-0x000000007447E000-0x000000007447F000-memory.dmp

    Filesize

    4KB

  • memory/1164-9-0x0000000005320000-0x0000000005356000-memory.dmp

    Filesize

    216KB

  • memory/1164-10-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-11-0x00000000059D0000-0x0000000005FF8000-memory.dmp

    Filesize

    6.2MB

  • memory/1164-12-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-13-0x0000000005920000-0x0000000005942000-memory.dmp

    Filesize

    136KB

  • memory/1164-14-0x00000000061F0000-0x0000000006256000-memory.dmp

    Filesize

    408KB

  • memory/1164-15-0x0000000006260000-0x00000000062C6000-memory.dmp

    Filesize

    408KB

  • memory/1164-25-0x00000000063D0000-0x0000000006724000-memory.dmp

    Filesize

    3.3MB

  • memory/1164-26-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/1164-27-0x0000000006920000-0x000000000696C000-memory.dmp

    Filesize

    304KB

  • memory/1164-28-0x00000000078D0000-0x0000000007966000-memory.dmp

    Filesize

    600KB

  • memory/1164-29-0x0000000006DF0000-0x0000000006E0A000-memory.dmp

    Filesize

    104KB

  • memory/1164-30-0x0000000006E10000-0x0000000006E32000-memory.dmp

    Filesize

    136KB

  • memory/1164-31-0x0000000007F30000-0x00000000084D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1164-33-0x0000000008B60000-0x00000000091DA000-memory.dmp

    Filesize

    6.5MB

  • memory/1164-35-0x00000000708F0000-0x000000007093C000-memory.dmp

    Filesize

    304KB

  • memory/1164-45-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-34-0x0000000007AE0000-0x0000000007B12000-memory.dmp

    Filesize

    200KB

  • memory/1164-46-0x0000000007B20000-0x0000000007B3E000-memory.dmp

    Filesize

    120KB

  • memory/1164-47-0x0000000007B50000-0x0000000007BF3000-memory.dmp

    Filesize

    652KB

  • memory/1164-48-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-49-0x0000000007E50000-0x0000000007E5A000-memory.dmp

    Filesize

    40KB

  • memory/1164-50-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-51-0x0000000007E90000-0x0000000007EA1000-memory.dmp

    Filesize

    68KB

  • memory/1164-52-0x0000000007ED0000-0x0000000007EDE000-memory.dmp

    Filesize

    56KB

  • memory/1164-53-0x0000000007EE0000-0x0000000007EF4000-memory.dmp

    Filesize

    80KB

  • memory/1164-54-0x0000000008640000-0x000000000865A000-memory.dmp

    Filesize

    104KB

  • memory/1164-55-0x0000000007F20000-0x0000000007F28000-memory.dmp

    Filesize

    32KB

  • memory/1164-57-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-56-0x000000007447E000-0x000000007447F000-memory.dmp

    Filesize

    4KB

  • memory/1164-58-0x0000000008630000-0x000000000865A000-memory.dmp

    Filesize

    168KB

  • memory/1164-59-0x0000000008670000-0x0000000008694000-memory.dmp

    Filesize

    144KB

  • memory/1164-60-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-61-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-62-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-64-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-65-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-66-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-67-0x00000000091E0000-0x000000000CBD6000-memory.dmp

    Filesize

    58.0MB

  • memory/1164-69-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-70-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/2544-83-0x0000000001010000-0x0000000002264000-memory.dmp

    Filesize

    18.3MB

  • memory/2544-85-0x0000000001010000-0x0000000001058000-memory.dmp

    Filesize

    288KB

  • memory/2544-84-0x0000000001010000-0x0000000002264000-memory.dmp

    Filesize

    18.3MB

  • memory/2544-86-0x0000000023CB0000-0x0000000023D4C000-memory.dmp

    Filesize

    624KB

  • memory/2544-88-0x00000000249E0000-0x0000000024BA2000-memory.dmp

    Filesize

    1.8MB

  • memory/2544-89-0x0000000024110000-0x0000000024160000-memory.dmp

    Filesize

    320KB

  • memory/2544-90-0x0000000024810000-0x00000000248A2000-memory.dmp

    Filesize

    584KB

  • memory/2544-91-0x00000000241F0000-0x00000000241FA000-memory.dmp

    Filesize

    40KB