Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-05-2024 16:28

General

  • Target

    plswork.exe

  • Size

    45KB

  • MD5

    0964e2756ab7939430b382c4c748a4b6

  • SHA1

    3d367eb27f86dd5e306b7d8919592dcef10a3465

  • SHA256

    83f595dd0fa6b285fa753613b8bdf936f080ecf0b9689bf9705e5079868fbe2e

  • SHA512

    5d7b2be37baf03d240115ff75f77b5e5e6157e92fe52f31b4b35debc21765aa46a3467e2b75901f1a78b43b5cbc1ca894d85da1ccafe9cc8c8ebf97e7841955b

  • SSDEEP

    768:OdhO/poiiUcjlJInYTwH9Xqk5nWEZ5SbTDaSWI7CPW5p:Yw+jjgnJH9XqcnW85SbTLWIR

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

ayumi-38161.portmap.host

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    3000

  • install_path

    temp

  • port

    38161

  • startup_name

    nothingset

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\plswork.exe
    "C:\Users\Admin\AppData\Local\Temp\plswork.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\plswork.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\plswork.exe"
      2⤵
      • Executes dropped EXE
      PID:1924
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://appdata/
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3740
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffc14533cb8,0x7ffc14533cc8,0x7ffc14533cd8
      2⤵
        PID:3544
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1836 /prefetch:2
        2⤵
          PID:1844
        • 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=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4816
        • 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=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
          2⤵
            PID:3852
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3168 /prefetch:1
            2⤵
              PID:2264
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3216 /prefetch:1
              2⤵
                PID:4328
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4848 /prefetch:1
                2⤵
                  PID:5112
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4828 /prefetch:1
                  2⤵
                    PID:4808
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5044 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2272
                  • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5416 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3420
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5040 /prefetch:1
                    2⤵
                      PID:1324
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3928 /prefetch:1
                      2⤵
                        PID:4092
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2984 /prefetch:1
                        2⤵
                          PID:4992
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3416 /prefetch:1
                          2⤵
                            PID:4612
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,14973647684379519503,14809574297611751431,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4200 /prefetch:1
                            2⤵
                              PID:2284
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4880
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:2744
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:5116

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\plswork.exe.log

                                  Filesize

                                  226B

                                  MD5

                                  1294de804ea5400409324a82fdc7ec59

                                  SHA1

                                  9a39506bc6cadf99c1f2129265b610c69d1518f7

                                  SHA256

                                  494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

                                  SHA512

                                  033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                  Filesize

                                  152B

                                  MD5

                                  0c5042350ee7871ccbfdc856bde96f3f

                                  SHA1

                                  90222f176bc96ec17d1bdad2d31bc994c000900c

                                  SHA256

                                  b8b1cb139d4d19a85adce0152fa3c4f6adfb73a322d7253820e848c6f82afc1b

                                  SHA512

                                  2efdb535fa6a06c4f9702b2129f2dd07c330e37fd10b492f2236007c660c1707773c22005d1e1fa580dbf633dc1a700ada3b7b611ef9accd9555a17a244f61ce

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                  Filesize

                                  152B

                                  MD5

                                  5e027def9b55f3d49cde9fb82beba238

                                  SHA1

                                  64baabd8454c210162cbc3a90d6a2daaf87d856a

                                  SHA256

                                  9816e980b04f1fe7efaa4b9c83ff6a0fdd485ee65a884c001b43a0cad7c39d83

                                  SHA512

                                  a315e1336c5ec70cbb002969e539068ba92f3ec681b6d863db95227fd1808a778fd994e2fb03f28f0e401677aa5f7c66813e315b6b99a5065384c49586f9782e

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  328cffb57a9c2eef6473ee5c110a9552

                                  SHA1

                                  f4ecf21dc27c84c4e3bce37fa92e152908641799

                                  SHA256

                                  6f32439913f94f3e4e9d1677e30a23dc88e348cbcb7d3e50da6eb87e2990d2d2

                                  SHA512

                                  a2ff2289487bfb00f82841ac3c1474e55ed283511e23650bf3414dcf7990bc7ec8f314bef9d01d545c61d36ef42e82e64258c441d4fed9081267567b1f252ff2

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  cca09db5ea63e66fb6728f8a0ac9b2fa

                                  SHA1

                                  9aee70a233159a1db7e1260bbb1eb1090036a4bf

                                  SHA256

                                  ec53647a0c86114765f5456cea9e1b8963f7f60df37e8f194ded338cf26587cd

                                  SHA512

                                  1d751830e0bd61c1845ccac06abfd06ed8727beb046f8c03cab245df945788c6e2e3ab52f75c5e5a5326afe882254f78ffb8fc6676b5f2168e83c68679f8a67d

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                  Filesize

                                  16B

                                  MD5

                                  46295cac801e5d4857d09837238a6394

                                  SHA1

                                  44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                  SHA256

                                  0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                  SHA512

                                  8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                  Filesize

                                  16B

                                  MD5

                                  206702161f94c5cd39fadd03f4014d98

                                  SHA1

                                  bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                  SHA256

                                  1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                  SHA512

                                  0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                  Filesize

                                  11KB

                                  MD5

                                  b702eeeff8d64c37fd56ef3718efd9a1

                                  SHA1

                                  9bd9178d085a13a9ecacef866749eefc23499c24

                                  SHA256

                                  f6c6ba4c90e4ea868a5ef6e2558cb972e9f6a36a8821fc2ad2d5a24fdd5ce67c

                                  SHA512

                                  168f1109340a2419cc5f5ac6b972cde18f833910148c9afc42d041e47ca0a54f8fc978be06a75d08615b1bb95aba4b9001d4262a93d6f470863d124df6e9a9a6

                                • C:\Users\Admin\AppData\Local\Temp\XenoManager\plswork.exe

                                  Filesize

                                  45KB

                                  MD5

                                  0964e2756ab7939430b382c4c748a4b6

                                  SHA1

                                  3d367eb27f86dd5e306b7d8919592dcef10a3465

                                  SHA256

                                  83f595dd0fa6b285fa753613b8bdf936f080ecf0b9689bf9705e5079868fbe2e

                                  SHA512

                                  5d7b2be37baf03d240115ff75f77b5e5e6157e92fe52f31b4b35debc21765aa46a3467e2b75901f1a78b43b5cbc1ca894d85da1ccafe9cc8c8ebf97e7841955b

                                • memory/1924-15-0x0000000074340000-0x0000000074AF1000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/1924-16-0x0000000074340000-0x0000000074AF1000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/1924-17-0x0000000074340000-0x0000000074AF1000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/2968-1-0x0000000000B70000-0x0000000000B82000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2968-0-0x000000007434E000-0x000000007434F000-memory.dmp

                                  Filesize

                                  4KB