Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 03:21

General

  • Target

    9427de15467591a16cfb1970ba8f1b98ba4cb488ed84e613a6d489be91cc0241.exe

  • Size

    12KB

  • MD5

    9d76d6a5d258d87f04b6db88d63c24bc

  • SHA1

    9c84b644f75ce351860104b61551ca9223164b5b

  • SHA256

    9427de15467591a16cfb1970ba8f1b98ba4cb488ed84e613a6d489be91cc0241

  • SHA512

    8b9588178bbf7c08a935eab80e924f1e82ead40c50fa3d9ec51bd0efe8c6df59083957fc12a6db116e9e583ba16c926cb18e5219a9b1e81844ad263e1eec6384

  • SSDEEP

    384:rL7li/2z9q2DcEQvdhcJKLTp/NK9xaaP:/FM/Q9caP

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9427de15467591a16cfb1970ba8f1b98ba4cb488ed84e613a6d489be91cc0241.exe
    "C:\Users\Admin\AppData\Local\Temp\9427de15467591a16cfb1970ba8f1b98ba4cb488ed84e613a6d489be91cc0241.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\rcctpwho\rcctpwho.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD08E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc57937D53422C422392C1ABE2D7E37EE.TMP"
        3⤵
          PID:888
      • C:\Users\Admin\AppData\Local\Temp\tmpC9AA.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpC9AA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\9427de15467591a16cfb1970ba8f1b98ba4cb488ed84e613a6d489be91cc0241.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:3504
    • 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=3644 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1288

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RE.resources

        Filesize

        2KB

        MD5

        e069b756e3a5bae4594d604ab887e6d7

        SHA1

        e8fe1445db8b23a889876e52c309c1308fa2c287

        SHA256

        115c42c519345d0108659dd93bab1bbd1a51ed6e3c61f173a939c56ec4065763

        SHA512

        b0649006cad260b0c0938760a9a80f04af649d7bd5db29ead2c68c0a7fb50ec2a5eff3f6570805baf3b0cd53be35d7c140cf14a54d853a62d1398fad73c58f27

      • C:\Users\Admin\AppData\Local\Temp\RESD08E.tmp

        Filesize

        1KB

        MD5

        90476e61470ae0fc1d7f49687001557e

        SHA1

        03097bb49a1afe31edb67a821906c573227648cb

        SHA256

        9b8fdd82910f20c05d5beac050d8db14259a39ac70148136497e504ad252e4b0

        SHA512

        c47ba681675adeaeb1a6297ba77349a0ab426378c064e66b0a8735776eca99c7cef00196ad2346141e2a9028c7b66717a57567fb36ca10db63d7bc15843f8216

      • C:\Users\Admin\AppData\Local\Temp\rcctpwho\rcctpwho.0.vb

        Filesize

        2KB

        MD5

        512a7811c39534dae24086b0415a2aac

        SHA1

        d0ed883d6d474f5460bb1a7fb9c71aed7d0430e7

        SHA256

        61c1d7566f41fb7b00a9cb6934716be68863d06cca722da4e93dd251d49697f0

        SHA512

        1d359c169eb68ba30b90f88fe5f1c2d2aab5333a28d1c7daceeb5b1f90ec5814084211fdacca23cdbce01cd6bec6ee81933c6d300dcee66c978b0f740614bc83

      • C:\Users\Admin\AppData\Local\Temp\rcctpwho\rcctpwho.cmdline

        Filesize

        273B

        MD5

        f7771631b786bcac0797b11aa8b7e1e1

        SHA1

        ea0413c8e24a1ef88b60c1093c15d8a0aa8b6031

        SHA256

        7112d084aa4c097f146d320079adf1c6ad9397ed6e49882be3243a5a1fdcbcc7

        SHA512

        8d5da4b8a8ef6295d3fe932160b03815c30867a1adfbadc1f9b6b0a6b4dcc20c0d12b200f01b05918139273beb2bed0ba74debaf6a394e06dfa366ddf29e3406

      • C:\Users\Admin\AppData\Local\Temp\tmpC9AA.tmp.exe

        Filesize

        12KB

        MD5

        eb1cd2a1657c1863479eff291144cedb

        SHA1

        4430b472ca0038dbab2bdacded8d391a110264f2

        SHA256

        c64c51c6edfceaa65d49216445140d3bdf2baa0214390e601f8d88f8e9b23d66

        SHA512

        a010babba7d4d0ddc25301d5a44dc854da83a95b4c4c552b79ba2a5b1de1b43828498da26c4b2fb2f8fdc2bd100d68303546e400663faaabc0cd3fd263835f22

      • C:\Users\Admin\AppData\Local\Temp\vbc57937D53422C422392C1ABE2D7E37EE.TMP

        Filesize

        1KB

        MD5

        16ce7ec5811b4166360ccc780771a101

        SHA1

        7eb0f2456ad328c5ec103096d9718064266ba657

        SHA256

        1224ca3d3c59962dc81675b884424e59215b4125d887a2ea3fd7e2e62afadb3b

        SHA512

        89ccf791e7d705db76badf24d204cb2905bf5d539ed0bc0ed4c55bd05d0e64a8f8169323397cd5ea553dc8f1231fd12090ef0b399f085fb4b61cdf281d6eaccb

      • memory/3504-24-0x0000000000090000-0x000000000009A000-memory.dmp

        Filesize

        40KB

      • memory/3504-25-0x0000000074510000-0x0000000074CC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3504-27-0x0000000004FA0000-0x0000000005544000-memory.dmp

        Filesize

        5.6MB

      • memory/3504-28-0x0000000004A90000-0x0000000004B22000-memory.dmp

        Filesize

        584KB

      • memory/3504-30-0x0000000074510000-0x0000000074CC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4580-0-0x000000007451E000-0x000000007451F000-memory.dmp

        Filesize

        4KB

      • memory/4580-7-0x0000000074510000-0x0000000074CC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4580-2-0x0000000004DE0000-0x0000000004E7C000-memory.dmp

        Filesize

        624KB

      • memory/4580-1-0x0000000000460000-0x000000000046A000-memory.dmp

        Filesize

        40KB

      • memory/4580-26-0x0000000074510000-0x0000000074CC0000-memory.dmp

        Filesize

        7.7MB