Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2022, 18:29

General

  • Target

    file.exe

  • Size

    603KB

  • MD5

    cb90f4dd9eb3424268b20a1581668acd

  • SHA1

    136a226e0f56c7bf53822ab116ea4304b8a636e6

  • SHA256

    49d6552ae5c5027ce1e68edee2438564b50ddc384276fd97360c92503771d3ac

  • SHA512

    43ef96a52dfe7018d7fd9315c428fb1b368e92357585f57bd405260d5e5d9f498e423d0a3d5de1ef300983f3f7b42bd7a2f2217ca5d74b88c4533021086c19a4

  • SSDEEP

    3072:QahKyd2n3165+HAsZsJBh6aH1wQwpSbr:QahOpqhvSn

Malware Config

Extracted

Family

icexloader

C2

http://stealthelite.one/magnumopus/Script.php

Signatures

  • Detects IceXLoader v3.0 6 IoCs
  • icexloader

    IceXLoader is a downloader used to deliver other malware families.

  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1396
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c timeout 2 & "C:\Users\Admin\AppData\Roaming\Opus.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            5⤵
            • Delays execution with timeout.exe
            PID:3428
          • C:\Users\Admin\AppData\Roaming\Opus.exe
            "C:\Users\Admin\AppData\Roaming\Opus.exe"
            5⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1604
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:808
            • C:\Users\Admin\AppData\Roaming\Opus.exe
              C:\Users\Admin\AppData\Roaming\Opus.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:2840
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c "C:\Users\Admin\AppData\Local\Temp\file.bat"
                7⤵
                  PID:1280
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -Command Set-MpPreference -DisableRealtimeMonitoring $true
                    8⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3732
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -Command Add-MpPreference -ExclusionExtension "C:\Users\Admin\AppData\Roaming\Opus\.exe"
                    8⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1004
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -Command Add-MpPreference -ExclusionPath "C:\Users\Admin"
                    8⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2276
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c timeout 1 & del /F "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4120
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              5⤵
              • Delays execution with timeout.exe
              PID:2272

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      1KB

      MD5

      4280e36a29fa31c01e4d8b2ba726a0d8

      SHA1

      c485c2c9ce0a99747b18d899b71dfa9a64dabe32

      SHA256

      e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

      SHA512

      494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

      Filesize

      53KB

      MD5

      06ad34f9739c5159b4d92d702545bd49

      SHA1

      9152a0d4f153f3f40f7e606be75f81b582ee0c17

      SHA256

      474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

      SHA512

      c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

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

      Filesize

      16KB

      MD5

      369e68998feb323fc408b7092d5e6567

      SHA1

      eb1f8f403d6cf4f014379dfdb93b64dc4eae410b

      SHA256

      ffb4bfa8295e76f06c9f305d0bb10353bea91f657cb0b7b78e4459505168298b

      SHA512

      e51a73d5a64e554d662f44a087d94af09bf1e4c142fad3a8d2bee8c087fe3642edd7172ee71541ad9e9afe9507bf4308f4ccd694c8bb36b475e2f3211b0392ef

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

      Filesize

      15KB

      MD5

      702d3f32677eb4b4a34783f6db014f11

      SHA1

      12513956ad7eb34d1a054b360bd5ca6fd4591685

      SHA256

      db29c5476fdc368dcb9ad47d2e1114275688a928ef790ae04a9cbe90b0a4a7b6

      SHA512

      c82b0d7e7a3c702e01d6d55e7bd34b97e6af51f12eac0ba18221186518469b9f69529a3e10c963c112bfa783f2f4155f78ad25555636364df632616f1867b593

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

      Filesize

      18KB

      MD5

      574503dcf374dabe5caf032222870d20

      SHA1

      94dd55ca2042c447b3eb183075cb47f20763557a

      SHA256

      116e2f118c59576ba00801a5458177cd349c6a65ea29fdc611cf94cb25439290

      SHA512

      8e4ea2463d864e0153f4aac14cd87dcf420b9c403007343d7860b16e645dec41991923f8afcdcedaf8aee75cdb19454c352562ffefe344ab8a1e44a8862e2095

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

      Filesize

      18KB

      MD5

      4021c29562ba81c3f494f72363233dbc

      SHA1

      2b09f643180e40858c4a6f93688e551beca093b4

      SHA256

      9d9ad98632209e113bdcd33fe797dccb392c24859f4fd09d2384448a2a61b63c

      SHA512

      5136d27f87331bc43637f081fb5ffe0ac4ed9a7de9fe68723c0d0224c448cfcb0e5a03b8d62d36e8a070398beda2a338529d23868994927a909b37350118f386

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\STOREM~2.EXE

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • C:\Users\Admin\AppData\Local\Temp\file.bat

      Filesize

      238B

      MD5

      fdb5554346e7388c6bc358c16c448995

      SHA1

      17957bbe381d434574e1fc15ed5c74084fda26fe

      SHA256

      898bc3e85e09e353a36612b5911aa2636c06a94443dbec4e62c6b8cf2412640c

      SHA512

      3eec1e0dab21861bcb73cbfe3ea7234768443dd02c62a55919ad7e693501ff886946d74a8f75b7f580fa5251472a13ff55d187396c8d65fe9c2220f2f6da0674

    • C:\Users\Admin\AppData\Roaming\Opus.exe

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • C:\Users\Admin\AppData\Roaming\Opus.exe

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • C:\Users\Admin\AppData\Roaming\Opus.exe

      Filesize

      343.3MB

      MD5

      0ba3f7a23e80b0421bc417a03d879f39

      SHA1

      5b4e28240a57e7c6a8ce15888df1c495910fe4f4

      SHA256

      7bb69f98d77ca7609c10b9a0ab1ce32be2e26b160413203d5335f65c1bc8ee72

      SHA512

      09c00bb95358bdbfd94d386b417513d50bee4e2f5da61a20f60fc1e4e554abd47a38d347c07a85c10bb97b9698b2e3bbcc331790f24076e51dc79e71339164ed

    • memory/972-135-0x0000000000E40000-0x0000000000E48000-memory.dmp

      Filesize

      32KB

    • memory/972-136-0x0000000006660000-0x0000000006682000-memory.dmp

      Filesize

      136KB

    • memory/1004-184-0x0000000070390000-0x00000000703DC000-memory.dmp

      Filesize

      304KB

    • memory/1396-141-0x00000000057B0000-0x0000000005816000-memory.dmp

      Filesize

      408KB

    • memory/1396-139-0x0000000004DF0000-0x0000000005418000-memory.dmp

      Filesize

      6.2MB

    • memory/1396-138-0x0000000004600000-0x0000000004636000-memory.dmp

      Filesize

      216KB

    • memory/1396-140-0x0000000004D60000-0x0000000004DC6000-memory.dmp

      Filesize

      408KB

    • memory/1396-142-0x0000000005B90000-0x0000000005BAE000-memory.dmp

      Filesize

      120KB

    • memory/1396-143-0x00000000071D0000-0x000000000784A000-memory.dmp

      Filesize

      6.5MB

    • memory/1396-144-0x0000000006070000-0x000000000608A000-memory.dmp

      Filesize

      104KB

    • memory/2276-187-0x0000000070390000-0x00000000703DC000-memory.dmp

      Filesize

      304KB

    • memory/2840-168-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2840-181-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3732-175-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

      Filesize

      120KB

    • memory/3732-180-0x0000000007C20000-0x0000000007C28000-memory.dmp

      Filesize

      32KB

    • memory/3732-173-0x00000000076B0000-0x00000000076E2000-memory.dmp

      Filesize

      200KB

    • memory/3732-176-0x0000000007A60000-0x0000000007A6A000-memory.dmp

      Filesize

      40KB

    • memory/3732-177-0x0000000007C80000-0x0000000007D16000-memory.dmp

      Filesize

      600KB

    • memory/3732-178-0x0000000007A80000-0x0000000007A8E000-memory.dmp

      Filesize

      56KB

    • memory/3732-179-0x0000000007C30000-0x0000000007C4A000-memory.dmp

      Filesize

      104KB

    • memory/3732-174-0x0000000070390000-0x00000000703DC000-memory.dmp

      Filesize

      304KB

    • memory/4252-153-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4252-150-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4252-149-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4252-146-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB