Analysis

  • max time kernel
    137s
  • 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
    11-11-2024 10:47

General

  • Target

    Request for Quotation MK FMHS.RFQ.24.11.07.bat.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\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.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:1720
    • 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\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4864
    • 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:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwyDoQDXVAon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.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:2220

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    acfab615c36204d09d7fe92e4251bae2

    SHA1

    183b8666955f12b5e8ee5cfe1dd200d8d8d08776

    SHA256

    c4015a97be069a69639a6cb9ff8a69df2bb4f38c5803b5cdb14cb470d2fa68a0

    SHA512

    fd43ec725942f54c13dafb2ccdb223fc0d75535bb3810608d17efc00a9156b1d17ffb0efa200744ee9d82f6cd744db881ce6b1ba2b7a56933db3d54e5d628fe4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k5zkab5g.j3m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp4CD.tmp

    Filesize

    1KB

    MD5

    be2f10e9659fd6b6c9bf2832e6635f4c

    SHA1

    4e2271e7a37225d0453889ea178f73ea0209c63e

    SHA256

    3640eb66f6f0762c478d6e9b30d7490dcd3d887b96cf92cc70048e535a5622e3

    SHA512

    d7cab10e46670361564918c53e54df407a674f92e7404ddca7cc04d4a88f8b327e8da37bc894f064237e433568b854d1bb841c2b02b9f0c54731d723150bfc55

  • memory/1720-9-0x0000000006320000-0x000000000633C000-memory.dmp

    Filesize

    112KB

  • memory/1720-48-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-6-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-7-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/1720-8-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-1-0x0000000000520000-0x0000000000606000-memory.dmp

    Filesize

    920KB

  • memory/1720-10-0x00000000049D0000-0x0000000004A5C000-memory.dmp

    Filesize

    560KB

  • memory/1720-4-0x0000000005060000-0x000000000506A000-memory.dmp

    Filesize

    40KB

  • memory/1720-0-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/1720-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

    Filesize

    5.6MB

  • memory/1720-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

    Filesize

    584KB

  • memory/1720-5-0x00000000052E0000-0x000000000537C000-memory.dmp

    Filesize

    624KB

  • memory/2220-32-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-91-0x00000000062F0000-0x0000000006340000-memory.dmp

    Filesize

    320KB

  • memory/2220-90-0x0000000006450000-0x0000000006612000-memory.dmp

    Filesize

    1.8MB

  • memory/2616-16-0x0000000002FA0000-0x0000000002FD6000-memory.dmp

    Filesize

    216KB

  • memory/2616-50-0x0000000006E30000-0x0000000006E7C000-memory.dmp

    Filesize

    304KB

  • memory/2616-33-0x0000000006270000-0x00000000065C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2616-25-0x0000000006080000-0x00000000060E6000-memory.dmp

    Filesize

    408KB

  • memory/2616-26-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-24-0x00000000059E0000-0x0000000005A46000-memory.dmp

    Filesize

    408KB

  • memory/2616-23-0x0000000005940000-0x0000000005962000-memory.dmp

    Filesize

    136KB

  • memory/2616-19-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-49-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/2616-17-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-88-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-77-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/2616-63-0x0000000074E10000-0x0000000074E5C000-memory.dmp

    Filesize

    304KB

  • memory/2616-82-0x0000000007F10000-0x0000000007F18000-memory.dmp

    Filesize

    32KB

  • memory/2616-80-0x0000000007E30000-0x0000000007E44000-memory.dmp

    Filesize

    80KB

  • memory/2616-79-0x0000000007E20000-0x0000000007E2E000-memory.dmp

    Filesize

    56KB

  • memory/2616-78-0x0000000007DF0000-0x0000000007E01000-memory.dmp

    Filesize

    68KB

  • memory/4864-15-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-76-0x0000000006F40000-0x0000000006F4A000-memory.dmp

    Filesize

    40KB

  • memory/4864-75-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

    Filesize

    104KB

  • memory/4864-74-0x0000000007510000-0x0000000007B8A000-memory.dmp

    Filesize

    6.5MB

  • memory/4864-62-0x0000000006B20000-0x0000000006B3E000-memory.dmp

    Filesize

    120KB

  • memory/4864-81-0x0000000007210000-0x000000000722A000-memory.dmp

    Filesize

    104KB

  • memory/4864-69-0x0000000006D80000-0x0000000006E23000-memory.dmp

    Filesize

    652KB

  • memory/4864-51-0x0000000006B40000-0x0000000006B72000-memory.dmp

    Filesize

    200KB

  • memory/4864-89-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-52-0x0000000074E10000-0x0000000074E5C000-memory.dmp

    Filesize

    304KB

  • memory/4864-22-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-20-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-18-0x0000000004CC0000-0x00000000052E8000-memory.dmp

    Filesize

    6.2MB