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01-11-2024 12:33

241101-pradyaypdv 10

27-10-2024 23:08

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20-10-2024 16:28

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20-10-2024 16:26

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02-10-2024 11:53

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11-09-2024 15:53

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25-08-2024 22:53

240825-2t6als1gll 10

Analysis

  • max time kernel
    1049s
  • max time network
    1054s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2024 23:08

General

  • Target

    dl2.exe

  • Size

    849KB

  • MD5

    c2055b7fbaa041d9f68b9d5df9b45edd

  • SHA1

    e4bd443bd4ce9029290dcd4bb47cb1a01f3b1b06

  • SHA256

    342f04c4720590c40d24078d46d9b19d8175565f0af460598171d58f5ffc48f3

  • SHA512

    18905b75938b8af9468b1aa3ffbae796a139c2762e623aa6ffb9ec2b293dd04aa1f90d1ed5a7dbda7853795a3688e368121a134c7f63e527a8e5e7679301a1dc

  • SSDEEP

    12288:A3RY3yNqMRTF4q2rxHn2ot/81xpNQyjUXlmoe7ufjHAtjXD7r2:A3RY3R24q+xn/8Xp2yOl5fzQ/2

Malware Config

Signatures

  • BazarBackdoor 64 IoCs

    Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

  • Bazarbackdoor family
  • Tries to connect to .bazar domain 64 IoCs

    Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dl2.exe
    "C:\Users\Admin\AppData\Local\Temp\dl2.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4420
  • C:\Users\Admin\AppData\Local\Temp\dl2.exe
    C:\Users\Admin\AppData\Local\Temp\dl2.exe {A3E01F80-938E-4A69-BF39-8B90375A39E4}
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2412
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
    1⤵
    • BazarBackdoor
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3864
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffdd21346f8,0x7ffdd2134708,0x7ffdd2134718
      2⤵
        PID:380
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
        2⤵
          PID:4480
        • 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=2144,10397727290202076814,15891216835473613842,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2416 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3840
        • 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=2144,10397727290202076814,15891216835473613842,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
          2⤵
            PID:2792
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=3396 /prefetch:1
            2⤵
              PID:1784
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
              2⤵
                PID:4852
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=4112 /prefetch:1
                2⤵
                  PID:1408
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5088 /prefetch:1
                  2⤵
                    PID:4708
                  • 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=2144,10397727290202076814,15891216835473613842,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4300 /prefetch:8
                    2⤵
                      PID:4088
                    • 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=2144,10397727290202076814,15891216835473613842,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4300 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4560
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=3692 /prefetch:1
                      2⤵
                        PID:1628
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5332 /prefetch:1
                        2⤵
                          PID:5012
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=5580 /prefetch:1
                          2⤵
                            PID:5188
                          • 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=2144,10397727290202076814,15891216835473613842,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5508 /prefetch:8
                            2⤵
                              PID:5376
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=5504 /prefetch:1
                              2⤵
                                PID:5384
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,10397727290202076814,15891216835473613842,131072 --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=3120 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:5596
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1452
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1500
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:5620

                                  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

                                    ba6ef346187b40694d493da98d5da979

                                    SHA1

                                    643c15bec043f8673943885199bb06cd1652ee37

                                    SHA256

                                    d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

                                    SHA512

                                    2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

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

                                    Filesize

                                    152B

                                    MD5

                                    b8880802fc2bb880a7a869faa01315b0

                                    SHA1

                                    51d1a3fa2c272f094515675d82150bfce08ee8d3

                                    SHA256

                                    467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812

                                    SHA512

                                    e1c6dba2579357ba70de58968b167d2c529534d24bff70568144270c48ac18a48ee2af2d58d78ae741e5a36958fa78a57955bd2456f1df00b781fc1002e123d2

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

                                    Filesize

                                    5KB

                                    MD5

                                    d0d6548b00dc9276c64ccc2ce0c36cf9

                                    SHA1

                                    0bd81212b93ea457ddcac28285dabeab7d2c00e6

                                    SHA256

                                    bf1f67f30e2114edc2ba6e4bca55df5c7aad3d934749c23cdc37f1fb2757e475

                                    SHA512

                                    447d7685b7861fd874789ad021b7848e72830ac8595a1ee40cff7c585a79dc277c6308490417847b56d58da89ef79c23843cf54174480df1243268785c60abeb

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

                                    Filesize

                                    6KB

                                    MD5

                                    716e21be885c2d98dec6bc2996ced2c2

                                    SHA1

                                    8e2441778e5c838d4fd92462a48e4202d389191e

                                    SHA256

                                    f0e360801d71799fa18e543b277ecada44a1b6c89455ef0912b37117463d2ae4

                                    SHA512

                                    09ef88c3bf5f8b426353b726847524cbc55f3342ab94a0f809e4fdefcdd45af2422978c9dd76d75b84f5321a73813a42299e06d3ede2a59519849ef01ded3980

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

                                    Filesize

                                    6KB

                                    MD5

                                    7e6febbf3264d496530184c3aabc7c0b

                                    SHA1

                                    f7a41acded92dafe85ad75ed3b621d967a875034

                                    SHA256

                                    4646cb84ce09aa779457a7d0dbb1c69bcb9ffda59f689f78602f20275301a518

                                    SHA512

                                    dc9bbc9f72589ba3eb144935fc5971f97251052bebd3f3c5264f5e334173d15dd6abfcc30722a667fb09bb97d2ba8f57de1d8e332a30948b155de95fa56f529d

                                  • 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

                                    62876a252b42ea399cfcdd2bd726d5d2

                                    SHA1

                                    1f7267ba18680d75449c336d1262159db04337f5

                                    SHA256

                                    26691ff9a09ff4fc29d8b9be1d57eda932a60ba191c06b96b4b620035730397a

                                    SHA512

                                    8d577be2833d2ebee799e03578aaf3104a24b31d2bab0e75211f3d6690182adda5981f9a4f3b6844875e87c831b7f794ec3dc8830e41edf8f091248104dca714

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

                                    Filesize

                                    11KB

                                    MD5

                                    468bf3a38450d97eb3a20d605e615b5a

                                    SHA1

                                    712e2980dc48adecca79a22e27a8f459dccb52aa

                                    SHA256

                                    6fe5894f60a98179696b24bab6c8d25676dd4b087607c6c7865bcb2524b4fdb9

                                    SHA512

                                    bf624c7a05b6790f075d94ad82dd04c49132343c517c4f91a981f0eb40864825cedbeb1e59aa75f3ae96fbe3ff55fa40564394f22decafec6b062664355faaeb

                                  • \??\pipe\LOCAL\crashpad_3864_XTUGGNKFERTJJCLU

                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                  • memory/2412-10-0x0000000002200000-0x0000000002230000-memory.dmp

                                    Filesize

                                    192KB

                                  • memory/2412-17-0x0000000000520000-0x0000000000620000-memory.dmp

                                    Filesize

                                    1024KB

                                  • memory/4420-3-0x0000000000610000-0x0000000000710000-memory.dmp

                                    Filesize

                                    1024KB

                                  • memory/4420-18-0x0000000000610000-0x0000000000710000-memory.dmp

                                    Filesize

                                    1024KB

                                  • memory/4420-1-0x00000000020F0000-0x0000000002120000-memory.dmp

                                    Filesize

                                    192KB