Analysis

  • max time kernel
    198s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:03

General

  • Target

    fec4c6a4d19a943f284e949302102138963a7f5d3a95d0537046a701bf540a0b.exe

  • Size

    157KB

  • MD5

    cd7ffd22305605578d79b421b0de8431

  • SHA1

    aa5cadb85ca7ca4c7ffe5a5182367dc16f600887

  • SHA256

    fec4c6a4d19a943f284e949302102138963a7f5d3a95d0537046a701bf540a0b

  • SHA512

    d26ed0c741f5c6615b07fb0b74928405f37da186008742f2b85e77419d05061f2b301aea0a8e3405f5f3782bc50a0f5d23979a1c2d9239c35d4a1cee6476c8c5

  • SSDEEP

    3072:6QIURTXJudy0x1EhmWNTVPpdu3pzF2C0fv/RLjBB9:6sQddOmGBhQ31F2xfv/9F

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 17 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fec4c6a4d19a943f284e949302102138963a7f5d3a95d0537046a701bf540a0b.exe
    "C:\Users\Admin\AppData\Local\Temp\fec4c6a4d19a943f284e949302102138963a7f5d3a95d0537046a701bf540a0b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://f.shuianshanba.com/fec4c6a4d19a943f284e949302102138963a7f5d3a95d0537046a701bf540a0b.exe/sohu.jpg
      2⤵
      • Enumerates system info in registry
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:376
      • 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,0x100,0xd4,0x104,0x7ffb774d46f8,0x7ffb774d4708,0x7ffb774d4718
        3⤵
          PID:1980
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,4528682843031083109,8924747996632770041,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
          3⤵
            PID:2280
          • 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=2140,4528682843031083109,8924747996632770041,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4488
          • 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=2140,4528682843031083109,8924747996632770041,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3172 /prefetch:8
            3⤵
              PID:4756
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:2596

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NSISdl.dll
            Filesize

            14KB

            MD5

            a5f8399a743ab7f9c88c645c35b1ebb5

            SHA1

            168f3c158913b0367bf79fa413357fbe97018191

            SHA256

            dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

            SHA512

            824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NsProcess.dll
            Filesize

            4KB

            MD5

            05450face243b3a7472407b999b03a72

            SHA1

            ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

            SHA256

            95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

            SHA512

            f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\NsProcess.dll
            Filesize

            4KB

            MD5

            05450face243b3a7472407b999b03a72

            SHA1

            ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

            SHA256

            95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

            SHA512

            f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

          • C:\Users\Admin\AppData\Local\Temp\nss4028.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \??\pipe\LOCAL\crashpad_376_HQYOSTJCAJROMZQG
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

          • memory/376-147-0x0000000000000000-mapping.dmp
          • memory/1444-137-0x0000000004F51000-0x0000000004F54000-memory.dmp
            Filesize

            12KB

          • memory/1444-143-0x0000000000441000-0x0000000000444000-memory.dmp
            Filesize

            12KB

          • memory/1980-154-0x0000000000000000-mapping.dmp
          • memory/2280-159-0x0000000000000000-mapping.dmp
          • memory/4488-160-0x0000000000000000-mapping.dmp
          • memory/4756-163-0x0000000000000000-mapping.dmp