Analysis

  • max time kernel
    148s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 01:51

General

  • Target

    e07c62d6ef8329d4b411109b4ea558f0.exe

  • Size

    487KB

  • MD5

    e07c62d6ef8329d4b411109b4ea558f0

  • SHA1

    1f78928d2c702846e419ba3197700750fd83d218

  • SHA256

    f8619201867136638671715fa0bfd79e5ee630de294ac503466fb3e0eaf8291f

  • SHA512

    f803b37ad392bfdd4291b1e47e38e9865cc6e2cccaaee8c0b8c54397d065b9b3e444d4ac32d147d245b832c02bdc861cbd1dfaa17ece320fca120a4e283425e9

  • SSDEEP

    12288:h3WrcA/mHlbmYSD9wJaXJDK12FO1h1MVPcc/Cuit0fNU:h32r/mHl6dJUaZDK12F+h1MWctwGU

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e07c62d6ef8329d4b411109b4ea558f0.exe
    "C:\Users\Admin\AppData\Local\Temp\e07c62d6ef8329d4b411109b4ea558f0.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\qziqQogGnCCIYcP.exe
      C:\Users\Admin\AppData\Local\Temp\qziqQogGnCCIYcP.exe
      2⤵
      • Executes dropped EXE
      PID:2188
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
  • 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=3872 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

      Filesize

      382KB

      MD5

      09a70c2e418e473c30e6ae10cf0eb0f4

      SHA1

      0b883e7a958b284909dc3a267ff1701c6c3cfe30

      SHA256

      a01f2c1f86013aea8c14ee1d5aa9704f8892f647eab3ea81ec2e7a8a8b5b8a89

      SHA512

      df502bb649d6c80b00bcacd8365959c5d3aeb3abb93df10ecf50729bf256388baf1a70dda6bba1fc3421bc19ab49bb721f319e747c8c72c593f3ca0fda9e8a87

    • C:\Users\Admin\AppData\Local\Temp\qziqQogGnCCIYcP.exe

      Filesize

      428KB

      MD5

      bf64b0cad686d05f6e132921713d67d9

      SHA1

      dee0e2384993571922f9ca92e7fbd235d05b3c89

      SHA256

      0b44e5d164c68651af7b90925c1a516cb98773adbf46d9d71cc9f1d4930361a3

      SHA512

      10cb904ccaf8debada63cfe9679b965ec6c5ff53f952afbadd9ae9f2e2cb401aa0ab746c2f0a2c446dd1ed02470292d13b65dd9609aad495d2391361fa68a69f

    • C:\Windows\CTS.exe

      Filesize

      59KB

      MD5

      5efd390d5f95c8191f5ac33c4db4b143

      SHA1

      42d81b118815361daa3007f1a40f1576e9a9e0bc

      SHA256

      6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

      SHA512

      720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

    • memory/1680-10-0x0000000000CB0000-0x0000000000CC7000-memory.dmp

      Filesize

      92KB

    • memory/4616-0-0x0000000000610000-0x0000000000627000-memory.dmp

      Filesize

      92KB

    • memory/4616-9-0x0000000000610000-0x0000000000627000-memory.dmp

      Filesize

      92KB