Analysis

  • max time kernel
    152s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 04:18

General

  • Target

    890f9a0b3e07d996c97912e2a8f40ad1b5bf0619f285898f6b528758a95bbe51.exe

  • Size

    187KB

  • MD5

    76f4116b1ad21d46a0f8e487c3cb96b8

  • SHA1

    8c4fc7077c68263ac74cb89147407e10cc1e9ee2

  • SHA256

    890f9a0b3e07d996c97912e2a8f40ad1b5bf0619f285898f6b528758a95bbe51

  • SHA512

    9ac07944a3d3d57c76e954c7ec30d35dfc9e9ab27a744c4bbfddb095c4defc228eb18559256237750286a6207a7331b81a4f2bb94c77fb5edd2664d9430130fb

  • SSDEEP

    3072:uQIURTXJtUJjzmb3MwyZQPKckaO2IpSD+b/xIUtCYY0mWskalU/ZgZApBvejrlvC:usjU1zmDMwDy/i+dI3YY0mWs3diYjCV

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\890f9a0b3e07d996c97912e2a8f40ad1b5bf0619f285898f6b528758a95bbe51.exe
    "C:\Users\Admin\AppData\Local\Temp\890f9a0b3e07d996c97912e2a8f40ad1b5bf0619f285898f6b528758a95bbe51.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://k.deyiweixiu.cn/890f9a0b3e07d996c97912e2a8f40ad1b5bf0619f285898f6b528758a95bbe51.exe/40.jpg
      2⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3496
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc587046f8,0x7ffc58704708,0x7ffc58704718
        3⤵
          PID:2260
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,8359062817177252323,16058751528788441991,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
          3⤵
            PID:4852
          • 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=2120,8359062817177252323,16058751528788441991,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2464 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3932
          • 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=2120,8359062817177252323,16058751528788441991,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2952 /prefetch:8
            3⤵
              PID:5068
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,8359062817177252323,16058751528788441991,131072 --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=3492 /prefetch:1
              3⤵
                PID:1264
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,8359062817177252323,16058751528788441991,131072 --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=3912 /prefetch:1
                3⤵
                  PID:4232
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,8359062817177252323,16058751528788441991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5716 /prefetch:1
                  3⤵
                    PID:1716
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,8359062817177252323,16058751528788441991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5732 /prefetch:1
                    3⤵
                      PID:208
                • C:\Windows\System32\CompPkgSrv.exe
                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                  1⤵
                    PID:3408

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\Inetc.dll

                    Filesize

                    20KB

                    MD5

                    50fdadda3e993688401f6f1108fabdb4

                    SHA1

                    04a9ae55d0fb726be49809582cea41d75bf22a9a

                    SHA256

                    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

                    SHA512

                    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\System.dll

                    Filesize

                    11KB

                    MD5

                    c17103ae9072a06da581dec998343fc1

                    SHA1

                    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

                    SHA256

                    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

                    SHA512

                    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\nsProcess.dll

                    Filesize

                    4KB

                    MD5

                    05450face243b3a7472407b999b03a72

                    SHA1

                    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

                    SHA256

                    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

                    SHA512

                    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

                  • C:\Users\Admin\AppData\Local\Temp\nsg1714.tmp\nsProcess.dll

                    Filesize

                    4KB

                    MD5

                    05450face243b3a7472407b999b03a72

                    SHA1

                    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

                    SHA256

                    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

                    SHA512

                    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

                  • \??\pipe\LOCAL\crashpad_3496_IFIMEUCWQOKDUWTB

                    MD5

                    d41d8cd98f00b204e9800998ecf8427e

                    SHA1

                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                    SHA256

                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                    SHA512

                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                  • memory/208-165-0x0000000000000000-mapping.dmp

                  • memory/1264-159-0x0000000000000000-mapping.dmp

                  • memory/1716-163-0x0000000000000000-mapping.dmp

                  • memory/2260-151-0x0000000000000000-mapping.dmp

                  • memory/3496-147-0x0000000000000000-mapping.dmp

                  • memory/3932-154-0x0000000000000000-mapping.dmp

                  • memory/4232-161-0x0000000000000000-mapping.dmp

                  • memory/4852-153-0x0000000000000000-mapping.dmp

                  • memory/5036-143-0x0000000000511000-0x0000000000514000-memory.dmp

                    Filesize

                    12KB

                  • memory/5036-140-0x0000000003AF1000-0x0000000003AF4000-memory.dmp

                    Filesize

                    12KB

                  • memory/5036-135-0x00000000024A1000-0x00000000024A4000-memory.dmp

                    Filesize

                    12KB

                  • memory/5068-157-0x0000000000000000-mapping.dmp