Analysis

  • max time kernel
    94s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 00:11

General

  • Target

    9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.exe

  • Size

    842KB

  • MD5

    4b1f61e78f7a293075a6af95469c7411

  • SHA1

    4bac43439e2c4207feeaf0b1e0075fe50bbd4e0a

  • SHA256

    9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06

  • SHA512

    862642bca542c71212a0ce8c9bd074c96ce1888e67c90c325e26c6ef1e233d1e056b354dd54d31c36ad6a2f973735d02bc60065468cce53af6af3e4358926463

  • SSDEEP

    24576:k1jh9nDTV/f9I/w8gfk4WolpFqYb21jd1ATm:uj3VnIw8gNWoAY65d1p

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 2 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 1 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 5 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.exe
    "C:\Users\Admin\AppData\Local\Temp\9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4560
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrNxPXjrA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrNxPXjrA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE14.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3960
    • C:\Users\Admin\AppData\Local\Temp\9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.exe
      "C:\Users\Admin\AppData\Local\Temp\9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06.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:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    e06ec6730a972e1b4283ae3402d48644

    SHA1

    9de611203c7c82e88a49f870ad6a0752c91cb0b8

    SHA256

    8ba17f795cd8a02124bb800b56b732ba1615ffef82b7361bac7903e6e156e804

    SHA512

    c1f897272021f2aabf4f057b538955224ab47e53f630463f02c261e739dc5b29b685e0fe71ecdffd1283af6b250969eff302fae3cb7d7b8b5103975f64be3935

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gwcq13hs.o3j.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE14.tmp

    Filesize

    1KB

    MD5

    9b11ce7743fdfeed4deaaeff3edf804d

    SHA1

    c21ca670021223ebc9e7388f442df890bfe1ed1b

    SHA256

    e3d1a520db1b373ac6e585e8f2f18800a6bad65076ec5ded8fd372e181163ec0

    SHA512

    e6d2d196e021915b55bd0eff3ef41ad4c16b01391e135133d47edc55cbcc62bd5896b933902edda37d7a8c2e017368b0342a4766d63e0925671b05e7582f5f77

  • memory/3212-7-0x00000000053E0000-0x00000000053FC000-memory.dmp

    Filesize

    112KB

  • memory/3212-5-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-6-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/3212-48-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-8-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-9-0x00000000047E0000-0x000000000486C000-memory.dmp

    Filesize

    560KB

  • memory/3212-10-0x000000000D380000-0x000000000D41C000-memory.dmp

    Filesize

    624KB

  • memory/3212-1-0x0000000000460000-0x0000000000534000-memory.dmp

    Filesize

    848KB

  • memory/3212-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/3212-4-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/3212-2-0x0000000005420000-0x00000000059C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3212-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

    Filesize

    584KB

  • memory/4104-24-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-20-0x0000000004F60000-0x0000000004F82000-memory.dmp

    Filesize

    136KB

  • memory/4104-23-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

  • memory/4104-22-0x0000000005100000-0x0000000005166000-memory.dmp

    Filesize

    408KB

  • memory/4104-19-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-18-0x0000000005200000-0x0000000005828000-memory.dmp

    Filesize

    6.2MB

  • memory/4104-82-0x0000000007560000-0x0000000007568000-memory.dmp

    Filesize

    32KB

  • memory/4104-37-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-88-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-80-0x0000000007480000-0x0000000007494000-memory.dmp

    Filesize

    80KB

  • memory/4104-55-0x0000000070E30000-0x0000000070E7C000-memory.dmp

    Filesize

    304KB

  • memory/4104-49-0x0000000005F10000-0x0000000005F2E000-memory.dmp

    Filesize

    120KB

  • memory/4104-75-0x0000000007240000-0x000000000725A000-memory.dmp

    Filesize

    104KB

  • memory/4560-16-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-78-0x0000000007950000-0x0000000007961000-memory.dmp

    Filesize

    68KB

  • memory/4560-51-0x00000000073F0000-0x0000000007422000-memory.dmp

    Filesize

    200KB

  • memory/4560-52-0x0000000070E30000-0x0000000070E7C000-memory.dmp

    Filesize

    304KB

  • memory/4560-73-0x0000000007430000-0x00000000074D3000-memory.dmp

    Filesize

    652KB

  • memory/4560-74-0x0000000007D90000-0x000000000840A000-memory.dmp

    Filesize

    6.5MB

  • memory/4560-50-0x0000000006960000-0x00000000069AC000-memory.dmp

    Filesize

    304KB

  • memory/4560-76-0x00000000077C0000-0x00000000077CA000-memory.dmp

    Filesize

    40KB

  • memory/4560-77-0x00000000079D0000-0x0000000007A66000-memory.dmp

    Filesize

    600KB

  • memory/4560-68-0x0000000006A20000-0x0000000006A3E000-memory.dmp

    Filesize

    120KB

  • memory/4560-79-0x0000000007980000-0x000000000798E000-memory.dmp

    Filesize

    56KB

  • memory/4560-47-0x0000000005DE0000-0x0000000006134000-memory.dmp

    Filesize

    3.3MB

  • memory/4560-81-0x0000000007A90000-0x0000000007AAA000-memory.dmp

    Filesize

    104KB

  • memory/4560-89-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-25-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-17-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-13-0x0000000004E80000-0x0000000004EB6000-memory.dmp

    Filesize

    216KB

  • memory/5036-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/5036-90-0x0000000006C70000-0x0000000006E32000-memory.dmp

    Filesize

    1.8MB

  • memory/5036-91-0x0000000006B10000-0x0000000006B60000-memory.dmp

    Filesize

    320KB