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Analysis

  • max time kernel
    174s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 18:02

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\a0f2acca-9023-4877-a557-abc6e415e092" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:1092
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
          PID:3620
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1076 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          3⤵
            PID:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1864
          2⤵
          • Program crash
          PID:876
      • 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 --no-appcompat-clear --mojo-platform-channel-handle=3532 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3856 -ip 3856
          1⤵
            PID:3628

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          File and Directory Permissions Modification

          1
          T1222

          Modify Registry

          1
          T1112

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            Filesize

            1KB

            MD5

            2365869258df7a66a2121b802ca4afd9

            SHA1

            73acc30a2edeb9d6830de559bb8a74f35168135d

            SHA256

            d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed

            SHA512

            795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
            Filesize

            436B

            MD5

            1bfe0a81db078ea084ff82fe545176fe

            SHA1

            50b116f578bd272922fa8eae94f7b02fd3b88384

            SHA256

            5ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f

            SHA512

            37c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            Filesize

            174B

            MD5

            1ed95c939e2937a8a8169e87c5142a6c

            SHA1

            009d31af7005374d9a0a4eccfaa091888e3ebbc4

            SHA256

            4c944ff454173b0c82b58a35e3be2f7b0ae0f811d07d6d5189011ea2b3d0edb4

            SHA512

            c6d71ee86b1b0a92a7e2eaaa2280b3480cd843c34a1e64381cfe0fabb9332dd567c954f5f03b9b70b9d3b53ce08bee90f1aecfa5d54889ee994d402056461aee

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
            Filesize

            170B

            MD5

            11668115bb6fee6fff04fa47ec536512

            SHA1

            0482d4e70f2b8ab6bbcb38237f47f6b682352cbb

            SHA256

            4439f4a57b797d7e0b6b95b5e45ea6745c4d06e46bdbe68a845ca9e5280a9e2b

            SHA512

            619c151195bf6efb02ea97e7c5d09df36ff804b31a4fddc5655c86419ccfef70207e440f484d7ef7bba5eb23e4d4cbec9ccd9963c349cddc381606c1e15d5304

          • C:\Users\Admin\AppData\Local\a0f2acca-9023-4877-a557-abc6e415e092\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
            Filesize

            669KB

            MD5

            ead18f3a909685922d7213714ea9a183

            SHA1

            1270bd7fd62acc00447b30f066bb23f4745869bf

            SHA256

            5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

            SHA512

            6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

          • memory/1076-37-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-33-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-36-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-24-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-39-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-27-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1076-28-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3644-38-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-7-0x0000000000680000-0x0000000000780000-memory.dmp
            Filesize

            1024KB

          • memory/3856-25-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-19-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-18-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-0-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-5-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-4-0x0000000000400000-0x0000000000476000-memory.dmp
            Filesize

            472KB

          • memory/3856-3-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3856-2-0x0000000000680000-0x0000000000780000-memory.dmp
            Filesize

            1024KB