Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 02:08

General

  • Target

    https://github.com/R4t-Cra4ck3r/SeroXen_Cr4ck

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen

C2

chinese-golden.gl.at.ply.gg:44086

Mutex

$Sxr-8pC7X2mG070btopC86

Attributes
  • encryption_key

    X7DsXqksH10Qr4Gz4fsk

  • install_name

    HAHAHAHAHA LMAOO.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    Svhost

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 5 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/R4t-Cra4ck3r/SeroXen_Cr4ck
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3932
    • 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,0x100,0x104,0xd8,0x108,0x7ff9a4f946f8,0x7ff9a4f94708,0x7ff9a4f94718
      2⤵
        PID:980
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2052 /prefetch:2
        2⤵
          PID:5316
        • 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=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2284 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5096
        • 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=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2848 /prefetch:8
          2⤵
            PID:3768
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --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=3348 /prefetch:1
            2⤵
              PID:4636
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --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=3376 /prefetch:1
              2⤵
                PID:3616
              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5584 /prefetch:8
                2⤵
                  PID:3240
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5584 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:6020
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5112 /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=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5664 /prefetch:1
                    2⤵
                      PID:5124
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5400 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:636
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --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=4624 /prefetch:1
                      2⤵
                        PID:3024
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --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=5676 /prefetch:1
                        2⤵
                          PID:624
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1712 /prefetch:1
                          2⤵
                            PID:1136
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1260 /prefetch:1
                            2⤵
                              PID:1656
                            • C:\Users\Admin\Downloads\Sxr_Installer.bat
                              "C:\Users\Admin\Downloads\Sxr_Installer.bat"
                              2⤵
                              • Executes dropped EXE
                              • Drops file in System32 directory
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3760
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "Svhost" /sc ONLOGON /tr "C:\Users\Admin\Downloads\Sxr_Installer.bat" /rl HIGHEST /f
                                3⤵
                                • Creates scheduled task(s)
                                PID:872
                              • C:\Windows\SysWOW64\SubDir\HAHAHAHAHA LMAOO.exe
                                "C:\Windows\SysWOW64\SubDir\HAHAHAHAHA LMAOO.exe"
                                3⤵
                                • Executes dropped EXE
                                • Drops file in System32 directory
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of SetWindowsHookEx
                                PID:4624
                                • C:\Windows\SysWOW64\schtasks.exe
                                  "schtasks" /create /tn "Svhost" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\HAHAHAHAHA LMAOO.exe" /rl HIGHEST /f
                                  4⤵
                                  • Creates scheduled task(s)
                                  PID:2344
                              • C:\Windows\SysWOW64\SCHTASKS.exe
                                "SCHTASKS.exe" /create /tn "$77Sxr_Installer.bat" /tr "'C:\Users\Admin\Downloads\Sxr_Installer.bat'" /sc onlogon /rl HIGHEST
                                3⤵
                                • Creates scheduled task(s)
                                PID:6112
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1928,3667120229084542520,16475377441034271640,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4864 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2444
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1200
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:5612
                              • C:\Windows\system32\cmd.exe
                                "C:\Windows\system32\cmd.exe"
                                1⤵
                                  PID:1528

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

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

                                  152B

                                  MD5

                                  2daa93382bba07cbc40af372d30ec576

                                  SHA1

                                  c5e709dc3e2e4df2ff841fbde3e30170e7428a94

                                  SHA256

                                  1826d2a57b1938c148bf212a47d947ed1bfb26cfc55868931f843ee438117f30

                                  SHA512

                                  65635cb59c81548a9ef8fdb0942331e7f3cd0c30ce1d4dba48aed72dbb27b06511a55d2aeaadfadbbb4b7cb4b2e2772bbabba9603b3f7d9c8b9e4a7fbf3d6b6b

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

                                  152B

                                  MD5

                                  ecdc2754d7d2ae862272153aa9b9ca6e

                                  SHA1

                                  c19bed1c6e1c998b9fa93298639ad7961339147d

                                  SHA256

                                  a13d791473f836edcab0e93451ce7b7182efbbc54261b2b5644d319e047a00a7

                                  SHA512

                                  cd4fb81317d540f8b15f1495a381bb6f0f129b8923a7c06e4b5cf777d2625c30304aee6cc68aa20479e08d84e5030b43fbe93e479602400334dfdd7297f702f2

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\3f5fad5f-205e-4544-aee1-56a788c2e1f1.tmp
                                  Filesize

                                  6KB

                                  MD5

                                  d649fd526fbe2b5da19cfca7391a994d

                                  SHA1

                                  8069a399014342950db574b6884df3daa0ab5471

                                  SHA256

                                  8921dd464fdcfdfeccd7253861b8abca5b3dda12c807a7f77a90d57d75aef717

                                  SHA512

                                  d864e8891d0c8912fc9160b3d78b520d9a4b00963d5fe50c6c3fe98f13b981d5b77e8842f5180444a5c7a091899ebc0db98a292833a96fb2dec21c3d81761c90

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  Filesize

                                  2KB

                                  MD5

                                  77b0395e7018ed753d13f9b8fad42075

                                  SHA1

                                  0a470eb4eb0c3d743880bc19a47cc5fd49d195e0

                                  SHA256

                                  bf1b1e463d86f95e234f060d9c6b2618076445e0bab47d95fded7c13f857be61

                                  SHA512

                                  ba576c85fea18824ffa55ceef04569db666b2633a93751440bfbe138dd0813d39d65d8e29031abd9aaaaa89e9326fa7c4afaac33345b7c1cbe9c01776d8f8fc7

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  Filesize

                                  579B

                                  MD5

                                  a7d1701142cca705f833d70023ef4e1e

                                  SHA1

                                  1b76853132abfcddb4fefac42bf9df5d013c9815

                                  SHA256

                                  6c92f51e7f056e73c407228fc280cb7ca4d00ab02674d1dda4eafd7dc9f070f7

                                  SHA512

                                  806b7ccb375cc6116e64a9fa15229d783615d13b54cf40251561d9b664f0925915c5375ad88f5ca8d061e01367de239c29da79adf693559af53eeb7d9b1ba1a0

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

                                  5KB

                                  MD5

                                  32cda1d365070042d3e8329edf7780f4

                                  SHA1

                                  f9620bdad50bdd3bbbee261e9069c6f0296794af

                                  SHA256

                                  5d2e67989e2dd4ed6267a0ea3e211043078c00f7655aa36e5f6c9769a8cc11b0

                                  SHA512

                                  3bfa9cc4e70d8e3798b7421120ae13e47851bc5faed2ba16a2cb3e5f5fdd9a8f65a4f43f6a24aedb914ae180378a00fe849bf64c9cc801a628a1d9d300a69fdd

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

                                  6KB

                                  MD5

                                  6ff7ed391fb8c9527a86f0a0333dfbcf

                                  SHA1

                                  e4053054f751af70f91d77851c9e5ff28166a080

                                  SHA256

                                  0c3c5ac4633933b2650b37df605ee101d4fe1dd7e1e2e6ad459923b2fbb5ab3e

                                  SHA512

                                  0827c7acd7bbd1fcd2da8b38a4905d1686ba01f0e042f0c7c12d6a248b478eb7af0c47295c9cef8ba4c1aaa66d8418cd9e4e32b1a873055469800c5e753649b1

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

                                  16B

                                  MD5

                                  6752a1d65b201c13b62ea44016eb221f

                                  SHA1

                                  58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                  SHA256

                                  0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                  SHA512

                                  9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                  11KB

                                  MD5

                                  e49162231e1a7b7625a24b0353ccadaf

                                  SHA1

                                  dba4c41500462fe78ab09957f89f43a3ed686f64

                                  SHA256

                                  31fef6d06b297b29971c43e7872f8d7950e4ea57e1b04dfe6fac4e61770aa606

                                  SHA512

                                  7ef6cddfdcd26fe7bfa00488cb6b90f3f27b047bd846ab9823d7ca22cbfe8e644d09b8a51f6d96dd68232a39f013a9837db0de89dda3244ab8c239e3882ebb64

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

                                  11KB

                                  MD5

                                  f35e39a5cb7503eb3155bdb110768fb4

                                  SHA1

                                  114fd3c51d8eba1d52f11a043eb5842246a5016c

                                  SHA256

                                  61e578790900db258ebf6523676efcd222963fb09538644a627e17d5c1ac8902

                                  SHA512

                                  ba5b881bdae6a16630f27854064e654efc8fd16aa077d41a52d359288d6bde68356776b33fd201e7abf98b091c29f10f2b453fb61afd30b77934ba27263db51f

                                • C:\Users\Admin\Downloads\Unconfirmed 46326.crdownload
                                  Filesize

                                  409KB

                                  MD5

                                  9eaba1c208b8e7a0c94c109e60c5b113

                                  SHA1

                                  a602439a57a44287dff1d980d2c959c0d934a9e4

                                  SHA256

                                  ab6f4a4fa9bbdf8d9461023a2819b76b07d93e7d31e9d97a490f8ed4c0c0dccc

                                  SHA512

                                  625363f1203596200cd6fdc7c9f9ce8b6af0634299dc750f490305822385d8915981c8c7a162588959dbf000a7d8b4af8d61352fd84a176207c592ded2f87fa6

                                • \??\pipe\LOCAL\crashpad_3932_XQUZPIJWBBIOOUFK
                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • memory/3760-280-0x0000000005860000-0x0000000005E04000-memory.dmp
                                  Filesize

                                  5.6MB

                                • memory/3760-279-0x00000000009C0000-0x0000000000A2C000-memory.dmp
                                  Filesize

                                  432KB

                                • memory/3760-281-0x0000000005350000-0x00000000053E2000-memory.dmp
                                  Filesize

                                  584KB

                                • memory/3760-282-0x0000000005400000-0x0000000005466000-memory.dmp
                                  Filesize

                                  408KB

                                • memory/3760-283-0x0000000006010000-0x0000000006022000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/3760-284-0x0000000006550000-0x000000000658C000-memory.dmp
                                  Filesize

                                  240KB

                                • memory/4624-292-0x0000000006D60000-0x0000000006D6A000-memory.dmp
                                  Filesize

                                  40KB