Analysis

  • max time kernel
    121s
  • 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
    17-01-2025 07:03

General

  • Target

    f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe

  • Size

    912KB

  • MD5

    14246ea59962956247cb757ff4c485e8

  • SHA1

    41233827e40eacdc99a408d0b0ecfe78ee24120c

  • SHA256

    f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca

  • SHA512

    8dda3374a819f3be57a2793094a77b663af924268e810eb36872e1b308c3faa0bf1dc374d26ad1ce94d6d86a5e958a8bff4b9d647658c0d1265b378857ea1e00

  • SSDEEP

    24576:7uGlcxORH/ZzPIHhHh79f1P7RTpmZl/7kcmsbY:7uOLUhrP7RTYr

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7293224337:AAGQ5dfI8Gbcc9C0VWXufkTkIt2XTgIrMks/sendMessage?chat_id=7727510436

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 to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 SetThreadContext 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe
    "C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\teXfNv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\teXfNv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFDC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4964
    • C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe
      "C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0fqqxga3.czt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFFDC.tmp

    Filesize

    1KB

    MD5

    49e9a37b2ed70bf084326b2df4f8180f

    SHA1

    663d462b216fe7d3b8de44beb8a31cf6bf3f3155

    SHA256

    ac75bc97e0c3e994df091a7f1350751e0a73841042d8fd30f29762506de09e0e

    SHA512

    b77352b6bf7300a0fdc3cf01678a3d8cfb2086199bf29fcafe894a3ed049092d1dc6cda8ad075567ea1f6ad97368d7cd234201221c8841e54ed8c0a635ad26fb

  • memory/1840-6-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1840-4-0x0000000002990000-0x000000000299A000-memory.dmp

    Filesize

    40KB

  • memory/1840-5-0x00000000076E0000-0x000000000777C000-memory.dmp

    Filesize

    624KB

  • memory/1840-3-0x0000000007450000-0x00000000074E2000-memory.dmp

    Filesize

    584KB

  • memory/1840-7-0x0000000007670000-0x0000000007696000-memory.dmp

    Filesize

    152KB

  • memory/1840-8-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/1840-9-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1840-10-0x0000000006030000-0x00000000060BE000-memory.dmp

    Filesize

    568KB

  • memory/1840-38-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1840-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/1840-2-0x0000000007960000-0x0000000007F04000-memory.dmp

    Filesize

    5.6MB

  • memory/1840-1-0x0000000000470000-0x000000000055A000-memory.dmp

    Filesize

    936KB

  • memory/3076-25-0x0000000005C10000-0x0000000005C76000-memory.dmp

    Filesize

    408KB

  • memory/3076-52-0x0000000007280000-0x0000000007323000-memory.dmp

    Filesize

    652KB

  • memory/3076-19-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3076-64-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3076-24-0x00000000054E0000-0x0000000005502000-memory.dmp

    Filesize

    136KB

  • memory/3076-18-0x00000000055E0000-0x0000000005C08000-memory.dmp

    Filesize

    6.2MB

  • memory/3076-28-0x0000000005C80000-0x0000000005CE6000-memory.dmp

    Filesize

    408KB

  • memory/3076-16-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3076-36-0x0000000005CF0000-0x0000000006044000-memory.dmp

    Filesize

    3.3MB

  • memory/3076-15-0x0000000002980000-0x00000000029B6000-memory.dmp

    Filesize

    216KB

  • memory/3076-37-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/3076-39-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/3076-40-0x0000000006880000-0x00000000068B2000-memory.dmp

    Filesize

    200KB

  • memory/3076-41-0x000000006F220000-0x000000006F26C000-memory.dmp

    Filesize

    304KB

  • memory/3076-51-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/3076-61-0x00000000078E0000-0x00000000078E8000-memory.dmp

    Filesize

    32KB

  • memory/3076-53-0x0000000007C00000-0x000000000827A000-memory.dmp

    Filesize

    6.5MB

  • memory/3076-54-0x00000000075C0000-0x00000000075DA000-memory.dmp

    Filesize

    104KB

  • memory/3076-55-0x0000000007630000-0x000000000763A000-memory.dmp

    Filesize

    40KB

  • memory/3076-56-0x0000000007840000-0x00000000078D6000-memory.dmp

    Filesize

    600KB

  • memory/3076-57-0x00000000077C0000-0x00000000077D1000-memory.dmp

    Filesize

    68KB

  • memory/3076-58-0x00000000077F0000-0x00000000077FE000-memory.dmp

    Filesize

    56KB

  • memory/3076-59-0x0000000007800000-0x0000000007814000-memory.dmp

    Filesize

    80KB

  • memory/3076-60-0x0000000007900000-0x000000000791A000-memory.dmp

    Filesize

    104KB

  • memory/3528-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3528-23-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-65-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-66-0x0000000008CE0000-0x0000000008EA2000-memory.dmp

    Filesize

    1.8MB

  • memory/3528-67-0x0000000008B90000-0x0000000008BE0000-memory.dmp

    Filesize

    320KB