Analysis

  • max time kernel
    35s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 14:43

General

  • Target

    https://objects.githubusercontent.com/github-production-release-asset-2e65be/771926130/4e76e052-3290-4ffc-bd39-d95dbac8fdbb?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=releaseassetproduction%2F20241231%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20241231T144321Z&X-Amz-Expires=300&X-Amz-Signature=296e90e35a941b91c0cd60260bbd124ae3cfe43c49d99118e67673a84a29b18d&X-Amz-SignedHeaders=host&response-content-disposition=attachment%3B%20filename%3DSolara.zip&response-content-type=application%2Foctet-stream

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.shop/api

Extracted

Family

lumma

C2

https://fancywaxxers.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 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" --start-maximized --single-argument https://objects.githubusercontent.com/github-production-release-asset-2e65be/771926130/4e76e052-3290-4ffc-bd39-d95dbac8fdbb?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=releaseassetproduction%2F20241231%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20241231T144321Z&X-Amz-Expires=300&X-Amz-Signature=296e90e35a941b91c0cd60260bbd124ae3cfe43c49d99118e67673a84a29b18d&X-Amz-SignedHeaders=host&response-content-disposition=attachment%3B%20filename%3DSolara.zip&response-content-type=application%2Foctet-stream
    1⤵
    • 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:840
    • 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,0x100,0x104,0xd8,0x108,0x7ff8bb5446f8,0x7ff8bb544708,0x7ff8bb544718
      2⤵
        PID:4572
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
        2⤵
          PID:2332
        • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2548 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2080
        • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
          2⤵
            PID:3128
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=3380 /prefetch:1
            2⤵
              PID:2372
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=3396 /prefetch:1
              2⤵
                PID:3060
              • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4172 /prefetch:8
                2⤵
                  PID:4056
                • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4172 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4412
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=4208 /prefetch:1
                  2⤵
                    PID:400
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5112 /prefetch:1
                    2⤵
                      PID:4828
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=5732 /prefetch:1
                      2⤵
                        PID:3732
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=5760 /prefetch:1
                        2⤵
                          PID:4652
                        • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5116 /prefetch:8
                          2⤵
                            PID:760
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5590097083357895297,4578324527039364267,131072 --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=5992 /prefetch:1
                            2⤵
                              PID:4772
                            • 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=2080,5590097083357895297,4578324527039364267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5208 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:624
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:624
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:756
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:2756
                                • C:\Program Files\7-Zip\7zG.exe
                                  "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Solara\" -spe -an -ai#7zMap30307:74:7zEvent16528
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of FindShellTrayWindow
                                  PID:1452
                                • C:\Users\Admin\Downloads\Solara\Solara.exe
                                  "C:\Users\Admin\Downloads\Solara\Solara.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  • Suspicious use of SetThreadContext
                                  • System Location Discovery: System Language Discovery
                                  PID:4748
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
                                    2⤵
                                    • System Location Discovery: System Language Discovery
                                    PID:5244
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 1028
                                    2⤵
                                    • Program crash
                                    PID:5388
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4748 -ip 4748
                                  1⤵
                                    PID:5328
                                  • C:\Windows\system32\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\Solara\config.ini
                                    1⤵
                                    • Opens file in notepad (likely ransom note)
                                    PID:5480

                                  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

                                    99afa4934d1e3c56bbce114b356e8a99

                                    SHA1

                                    3f0e7a1a28d9d9c06b6663df5d83a65c84d52581

                                    SHA256

                                    08e098bb97fd91d815469cdfd5568607a3feca61f18b6b5b9c11b531fde206c8

                                    SHA512

                                    76686f30ed68144cf943b80ac10b52c74eee84f197cee3c24ef7845ef44bdb5586b6e530824543deeed59417205ac0e2559808bcb46450504106ac8f4c95b9da

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

                                    Filesize

                                    152B

                                    MD5

                                    443a627d539ca4eab732bad0cbe7332b

                                    SHA1

                                    86b18b906a1acd2a22f4b2c78ac3564c394a9569

                                    SHA256

                                    1e1ad9dce141f5f17ea07c7e9c2a65e707c9943f172b9134b0daf9eef25f0dc9

                                    SHA512

                                    923b86d75a565c91250110162ce13dd3ef3f6bdde1a83f7af235ed302d4a96b8c9ed722e2152781e699dfcb26bb98afc73f5adb298f8fd673f14c9f28b5f764d

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

                                    Filesize

                                    5KB

                                    MD5

                                    ed745bd554975e2baaed66ab5fb99d08

                                    SHA1

                                    95068bccd381b7d7f29f5e86b5c88872e20635d1

                                    SHA256

                                    8f9ef1e70ab4d825e29fb1bef274af375a6694b10defa0b4b038c58d48678245

                                    SHA512

                                    cf8fe7f06a29f5893b169248a2818055c59d0a91ad6d46fd2ff421a01228d326b3a92c38af8e2939a8e484a9407d0245f3178b5edb6806ec2c8b917d2dc1abe7

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

                                    Filesize

                                    6KB

                                    MD5

                                    23ede06d8ad7cd14b85fc55717780f60

                                    SHA1

                                    f7fcc46dc773a45b91769a31d92036c63963a06f

                                    SHA256

                                    1a90d622fbc2895a88e2d9e6e3aa38f725138a18675eeba2947e00728f8f8cce

                                    SHA512

                                    071a6a8c8851c00256769f37ce3526b18c21878292c047689136624b1ec3d630cf3bf454df1a39963c5943baebcfdd5e72a8812efa239a16c660449ad6f99867

                                  • 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

                                    10KB

                                    MD5

                                    de3c3b4628ff2998b511421d1cb9b8e3

                                    SHA1

                                    48ede81a4eb16193678df45f87e09632589b7fc3

                                    SHA256

                                    606a12852d194292784cb9af52fea6fbe3303ce0070dc9163dcf311461c2e103

                                    SHA512

                                    1832825c00ee2c680d71fa0ce5c77474e83489480eb46b09be358277662543367f343814484bdea7fb00c139c3d35a00b0aecd9ef70d5a918bca483146bcc1a8

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

                                    Filesize

                                    10KB

                                    MD5

                                    b84a240325c4284de7fd6be17cf00174

                                    SHA1

                                    7dd01ee7943e63cb7f0bf39b331f15633e7824cb

                                    SHA256

                                    f4bf23d6c816c08e926e53d0499cf2bff6fb4d76986e9e62d7b5de259e22747d

                                    SHA512

                                    8e28c66b4bfab713da9af7b3f586c5fab7656900c46b5cb1e7f4162a8b396adcb4ee6a65ed004cd4489c40074fda9c4f7b4d58e93f4501c32144f8cae82ce559

                                  • C:\Users\Admin\AppData\Roaming\gdi32.dll

                                    Filesize

                                    428KB

                                    MD5

                                    9322e3bdd1e2f0595164f0da0b61c268

                                    SHA1

                                    ab93fd6515fb0aa78b61477c8acb59ac2adf9438

                                    SHA256

                                    93464247ecced5e02ed5d06e643116744602924321510ffaef159f99d7cb5b03

                                    SHA512

                                    e5180992c1d8ba7b3359eb12432aac611246b87ad3dc56d8c204d0a8fb7308f306fcd4946ed93dc225d18fd218f1cdb643db74aec4e52274f5f43cc662e5fde4

                                  • C:\Users\Admin\Downloads\Solara.zip

                                    Filesize

                                    2.8MB

                                    MD5

                                    0c5525f5bcd0c9610cd6ebf5923dfa41

                                    SHA1

                                    df7a895642b88cd99c6e3ddd30d5585778cd866e

                                    SHA256

                                    34055dd74bee23c85ea6d2d8649915ed976ee750989c64be9b7b97ff36621d83

                                    SHA512

                                    08d66ad5e41f215002e858585a4e3367e5f50102d370f811d0d8a67680ffb66495d40d54196c6e353dacdc87322b2bf38c3f13191d5d3b067b3c4d0deee316dc

                                  • C:\Users\Admin\Downloads\Solara\Solara.exe

                                    Filesize

                                    687KB

                                    MD5

                                    7ec34df0a7309de040f3d8377c8b9624

                                    SHA1

                                    6d94948fcd2473ecc1cc9566f7bbf0904dcfdd17

                                    SHA256

                                    5b22523ae17968cddb6c6c0c580beec2c79d17e7f263370fb09a8970faee1176

                                    SHA512

                                    dbafd9e62c18962f4e4b2e2ac2d3551327f30dac3f23653dfd4e548025d694a02c3ee4b752ffb76ebf4110e06647e7a4506b3307778db6f4d676d797981c9524

                                  • memory/4748-98-0x0000000000420000-0x00000000004D4000-memory.dmp

                                    Filesize

                                    720KB

                                  • memory/4748-99-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

                                    Filesize

                                    24KB

                                  • memory/5244-106-0x00000000008F0000-0x0000000000954000-memory.dmp

                                    Filesize

                                    400KB

                                  • memory/5244-107-0x00000000008F0000-0x0000000000954000-memory.dmp

                                    Filesize

                                    400KB

                                  • memory/5244-110-0x00000000008F0000-0x0000000000954000-memory.dmp

                                    Filesize

                                    400KB