Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 15:51

General

  • Target

    955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe

  • Size

    901KB

  • MD5

    39160062bf5c599a2176c44c4bd10b0b

  • SHA1

    7906e08060fb52bd72450f179338510282d204dd

  • SHA256

    955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd

  • SHA512

    2eeff46c5aea104042f4ad0bf56ea4d5ffc1ea61c25d5c359fd862f33dd2d09d9949c1becbd78c9383c128d447789ceb8ab9357f623824363c8f43daf356d7b5

  • SSDEEP

    24576:1q0q4jNmNd746eRuKhEZkdM6yn8dvj7Nm:1qsmDedZyyj

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 9 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\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe
    "C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.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:1908
    • 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\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwyDoQDXVAon.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwyDoQDXVAon" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF983.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4600
    • C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe
      "C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.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:4380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    938ccd331a28bdd88a8b83c7c61c8288

    SHA1

    2b333173a94ec4e3d8ef020e5daf618808a09f0f

    SHA256

    8407e635a9e0bc969058e2e49cac0d23d2f6f7bd08f077b4231abfcc173e2792

    SHA512

    a100cd1ed71dbf33ce081c1cd448a5e01fd6a28d5241d068baab8d3d1b0c9ee6fc6e75875ab795ebe710cfea985fe6c3e8485591eac709a239acb50df92f1852

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pjmhaaho.rsi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF983.tmp

    Filesize

    1KB

    MD5

    526ea9ac82dce73ac354f70fdc738a9e

    SHA1

    157fe2e9bb35bf40ebc196811864ed0ab2de1e0f

    SHA256

    e1cdb8b983904e7e379b5b4f141e1382599714f4cddbdcae8ac2296b8452c109

    SHA512

    14042e62dfd717a65801c2cab48b63a6c63633a414dfe7df8db4347e76ba5626670cd0f514b576a01d4b3768ef3f4d4d5e22740e3f978870bfc9c584ef520a8d

  • memory/1908-7-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/1908-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

    Filesize

    5.6MB

  • memory/1908-6-0x0000000005270000-0x000000000530C000-memory.dmp

    Filesize

    624KB

  • memory/1908-48-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/1908-8-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/1908-9-0x0000000006270000-0x000000000628C000-memory.dmp

    Filesize

    112KB

  • memory/1908-10-0x0000000002980000-0x0000000002A0C000-memory.dmp

    Filesize

    560KB

  • memory/1908-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/1908-4-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/1908-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

    Filesize

    584KB

  • memory/1908-1-0x00000000004A0000-0x0000000000586000-memory.dmp

    Filesize

    920KB

  • memory/1908-5-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-20-0x0000000004D50000-0x0000000004DB6000-memory.dmp

    Filesize

    408KB

  • memory/2600-21-0x0000000004DC0000-0x0000000004E26000-memory.dmp

    Filesize

    408KB

  • memory/2600-22-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-25-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-24-0x0000000005740000-0x0000000005A94000-memory.dmp

    Filesize

    3.3MB

  • memory/2600-19-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

    Filesize

    136KB

  • memory/2600-79-0x00000000072C0000-0x00000000072CE000-memory.dmp

    Filesize

    56KB

  • memory/2600-45-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-78-0x0000000007290000-0x00000000072A1000-memory.dmp

    Filesize

    68KB

  • memory/2600-89-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-58-0x0000000070FC0000-0x000000007100C000-memory.dmp

    Filesize

    304KB

  • memory/2600-51-0x0000000006D20000-0x0000000006D52000-memory.dmp

    Filesize

    200KB

  • memory/2812-76-0x0000000007490000-0x000000000749A000-memory.dmp

    Filesize

    40KB

  • memory/2812-18-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2812-63-0x0000000006690000-0x00000000066AE000-memory.dmp

    Filesize

    120KB

  • memory/2812-50-0x0000000006190000-0x00000000061DC000-memory.dmp

    Filesize

    304KB

  • memory/2812-73-0x0000000007150000-0x00000000071F3000-memory.dmp

    Filesize

    652KB

  • memory/2812-49-0x0000000006100000-0x000000000611E000-memory.dmp

    Filesize

    120KB

  • memory/2812-75-0x0000000007420000-0x000000000743A000-memory.dmp

    Filesize

    104KB

  • memory/2812-74-0x0000000007A80000-0x00000000080FA000-memory.dmp

    Filesize

    6.5MB

  • memory/2812-47-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2812-77-0x00000000076A0000-0x0000000007736000-memory.dmp

    Filesize

    600KB

  • memory/2812-15-0x0000000004B50000-0x0000000004B86000-memory.dmp

    Filesize

    216KB

  • memory/2812-52-0x0000000070FC0000-0x000000007100C000-memory.dmp

    Filesize

    304KB

  • memory/2812-80-0x0000000007660000-0x0000000007674000-memory.dmp

    Filesize

    80KB

  • memory/2812-81-0x0000000007760000-0x000000000777A000-memory.dmp

    Filesize

    104KB

  • memory/2812-82-0x0000000007740000-0x0000000007748000-memory.dmp

    Filesize

    32KB

  • memory/2812-17-0x00000000051C0000-0x00000000057E8000-memory.dmp

    Filesize

    6.2MB

  • memory/2812-88-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/2812-16-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4380-44-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4380-90-0x0000000006480000-0x0000000006642000-memory.dmp

    Filesize

    1.8MB

  • memory/4380-91-0x0000000006300000-0x0000000006350000-memory.dmp

    Filesize

    320KB