Analysis

  • max time kernel
    208s
  • max time network
    214s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 00:08

General

  • Target

    fce58603d18b169d67fee4a3df7d39757a4126716703840acfe8cfb5e34990e9.exe

  • Size

    688KB

  • MD5

    b2e12c662badc96d34a096f48db2d85c

  • SHA1

    d6d99f90c0dd1a56a1285532254a1c92a6024077

  • SHA256

    fce58603d18b169d67fee4a3df7d39757a4126716703840acfe8cfb5e34990e9

  • SHA512

    52815a032f3f88758098757fe18bf575423f481a6e58586fc5f80105cce4d367373913516c802decb225e92b2fb0bf3c130163dc2e75d15b4239a16001dbde92

  • SSDEEP

    12288:Q8pU1gjXtuyO5lwwP5JuPi4k57It16nP0jaogTF4mFvnnkWTVb5VedvRoqr+In3/:Q8pUcU98wD6uIp2tL/35bLLRQ/

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fce58603d18b169d67fee4a3df7d39757a4126716703840acfe8cfb5e34990e9.exe
    "C:\Users\Admin\AppData\Local\Temp\fce58603d18b169d67fee4a3df7d39757a4126716703840acfe8cfb5e34990e9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.csolwg.com/?app=error&s=Windows8-64
      2⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7fff2d4046f8,0x7fff2d404708,0x7fff2d404718
        3⤵
          PID:4680
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,5963640465574407830,4584239233570614543,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
          3⤵
            PID:1384
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2136,5963640465574407830,4584239233570614543,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2476 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4268
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2136,5963640465574407830,4584239233570614543,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2948 /prefetch:8
            3⤵
              PID:3656
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,5963640465574407830,4584239233570614543,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3652 /prefetch:1
              3⤵
                PID:204
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,5963640465574407830,4584239233570614543,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3612 /prefetch:1
                3⤵
                  PID:4736
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:3436

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • \??\pipe\LOCAL\crashpad_3032_FIXZVWGCMEABCYGT

                MD5

                d41d8cd98f00b204e9800998ecf8427e

                SHA1

                da39a3ee5e6b4b0d3255bfef95601890afd80709

                SHA256

                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                SHA512

                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

              • memory/204-144-0x0000000000000000-mapping.dmp

              • memory/1384-138-0x0000000000000000-mapping.dmp

              • memory/1700-132-0x0000000000400000-0x0000000000669000-memory.dmp

                Filesize

                2.4MB

              • memory/1700-133-0x0000000000401000-0x0000000000405000-memory.dmp

                Filesize

                16KB

              • memory/1700-134-0x0000000000400000-0x0000000000669000-memory.dmp

                Filesize

                2.4MB

              • memory/3032-135-0x0000000000000000-mapping.dmp

              • memory/3656-142-0x0000000000000000-mapping.dmp

              • memory/4268-139-0x0000000000000000-mapping.dmp

              • memory/4680-136-0x0000000000000000-mapping.dmp

              • memory/4736-146-0x0000000000000000-mapping.dmp