Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:38

General

  • Target

    2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f.exe

  • Size

    246KB

  • MD5

    00b5d45433391146ce98cd70a91bef08

  • SHA1

    7649c554e87f6ea21ba86bb26ea39521d5d18151

  • SHA256

    2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f

  • SHA512

    47019e58c729e2090eb842ebc60f610a3a797e4275baf37f7b2b35ca2c61322658f2537cc28d0c524701881984382b14b0c8a337e414cffad7099efaed9b76f1

  • SSDEEP

    6144:ExQk9lATVXXbWV6aozMB/QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ+:99r4+M8mRyAxqRwu0SExjA6JvsheijLx

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f.exe
    "C:\Users\Admin\AppData\Local\Temp\2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\SysWOW64\reg.exe
      "reg.exe" import C:\Users\Admin\AppData\Local\Temp\tmp885F.reg
      2⤵
      • Adds Run key to start application
      PID:3356
    • C:\Users\Admin\AppData\Roaming\Pavilion\MSPavilion.exe
      "C:\Users\Admin\AppData\Roaming\Pavilion\MSPavilion.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\9irmjz6e.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2768
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESCA3B.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCCA3A.tmp"
          4⤵
            PID:2652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\9irmjz6e.dll

      Filesize

      244KB

      MD5

      27ae3f43e15a69843b2763da83e17cb4

      SHA1

      5456087e56a68c1b5df5352a796b8d9b46bf2412

      SHA256

      19ff50b4121518054e2bdc2f43b4d67f59aa880762f9ddfd4830ae95c2c73b66

      SHA512

      b9390cdc376c880f51f1f673451206f6fea6082fa9c105ac6a448fefcc552bb41fe3775f1b4ffb627f6f14cb15fed4632a0b4ec26c2b4e01626ff49d99b53373

    • C:\Users\Admin\AppData\Local\Temp\RESCA3B.tmp

      Filesize

      1KB

      MD5

      2114d3dbd5e2833ea455059400787280

      SHA1

      bc92616326454c9cf5236ed8dc26e5866d44d68c

      SHA256

      bf048da63d590442a1719a732c8f1e480591dec9d38dc37ec1b8be5b01ac6d83

      SHA512

      67b370e7834a51a3f3d364d10ef05d6480c654f7dc16f64aee68b230147ca7f0754cf24ce3bae5348497ae1cc66fb9fdab5b3ad7cbe6e432a77b2379dd28c46f

    • C:\Users\Admin\AppData\Local\Temp\tmp885F.reg

      Filesize

      182B

      MD5

      747d7f6e57d777bca0ffc1ee939c2b6f

      SHA1

      40d26cf07a3c3be8403f0dbadb46bf072d009b04

      SHA256

      6bf0fda6b6693e83198f4e32b1f976b8147921abf359d7c7eeb773448365048b

      SHA512

      f450df659169058e35f31910d4aab7cdd88a47384cf9ef6b7f2b3ded6cf45aecbf561ba5410d433f31922c0690d60b850084c96030cd1515d58f38c506fd9ef2

    • C:\Users\Admin\AppData\Roaming\Pavilion\MSPavilion.exe

      Filesize

      246KB

      MD5

      00b5d45433391146ce98cd70a91bef08

      SHA1

      7649c554e87f6ea21ba86bb26ea39521d5d18151

      SHA256

      2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f

      SHA512

      47019e58c729e2090eb842ebc60f610a3a797e4275baf37f7b2b35ca2c61322658f2537cc28d0c524701881984382b14b0c8a337e414cffad7099efaed9b76f1

    • C:\Users\Admin\AppData\Roaming\Pavilion\MSPavilion.exe

      Filesize

      246KB

      MD5

      00b5d45433391146ce98cd70a91bef08

      SHA1

      7649c554e87f6ea21ba86bb26ea39521d5d18151

      SHA256

      2c92da2721466bfbdaff7fedd9f3e8334b688a88ee54d7cab491e1a9df41258f

      SHA512

      47019e58c729e2090eb842ebc60f610a3a797e4275baf37f7b2b35ca2c61322658f2537cc28d0c524701881984382b14b0c8a337e414cffad7099efaed9b76f1

    • \??\c:\Users\Admin\AppData\Local\Temp\9irmjz6e.0.cs

      Filesize

      633KB

      MD5

      3eb8f5507314f5c9fd5a30b525eda96e

      SHA1

      10c45a73c5dbb8891058981072f94416fcbb19ff

      SHA256

      1020932902fbdfba1121650fbf2f0e015e3bb3a8cbf4181c2d0f09dd0f15a465

      SHA512

      7ad355b8bed45be882b034dc366c2753730f886d8731ac0d2c2a0e8894e0a53df985f0e0955027d2ceb5d0dc927f9adedbefacfa954889099ceb291ac091e518

    • \??\c:\Users\Admin\AppData\Local\Temp\9irmjz6e.cmdline

      Filesize

      589B

      MD5

      b229ccca0efe76b2f7dfaa5229a3ac2e

      SHA1

      bc43021ab33ba11f117c83a31acab9451a9aee21

      SHA256

      0b4d07f73189acb7975fd47255cf2a8f3bb72f7d12e39a0aaf28d08ddf42e2d6

      SHA512

      a2780e14a3a0628ab1701fa33c07602dc4d2a3f0d5f160bb9162e1ba1f6ab6f303491a645576807ed4bf92972718cbf0b6f4bbd0e7370830e1c88013a04577f3

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCCA3A.tmp

      Filesize

      652B

      MD5

      58b08c7049c47927197b141817baa715

      SHA1

      a01987280c67126dab4af8cb2845ecbf83222286

      SHA256

      986537f7802f2dd6d8bae64072c2b70103e105bbb075c622e9b945604410db59

      SHA512

      b4678251f8adf6cd049fbeda29b99349870bb94b8c503324cf93e5f8d2962c986f346168c7ba00aead439b7ae5841bf5365da95675c08744ec38341512745524

    • memory/1084-138-0x0000000075210000-0x00000000757C1000-memory.dmp

      Filesize

      5.7MB

    • memory/1084-132-0x0000000075210000-0x00000000757C1000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-144-0x0000000000000000-mapping.dmp

    • memory/2768-141-0x0000000000000000-mapping.dmp

    • memory/3356-133-0x0000000000000000-mapping.dmp

    • memory/4756-140-0x0000000075210000-0x00000000757C1000-memory.dmp

      Filesize

      5.7MB

    • memory/4756-139-0x0000000075210000-0x00000000757C1000-memory.dmp

      Filesize

      5.7MB

    • memory/4756-135-0x0000000000000000-mapping.dmp