Analysis

  • max time kernel
    85s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 11:13

General

  • Target

    Botstrap-Release-x64.zip

  • Size

    37.8MB

  • MD5

    0752f7ec8d6217d0b734e467944cb40a

  • SHA1

    00b7a44b75776b5ebab1bc11ffbb2f8c09e19490

  • SHA256

    8589dbf34b3918f9cc1e318a525b942f4c1f5f33191fabcc19099c724f54d788

  • SHA512

    415d2d26f38d3fdde143c195eb4067493665c4908e9cc1730f45a47aefb245681eef43a71ec0dfb1e1886a76c9520aaf849241e7a649f06a32f3f201e6621ecd

  • SSDEEP

    786432:JGtFuj1OGVBAOtAf+K43c0pQpa6TWAllA+II:JG7cUKgbsapjqPI

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://spellshagey.biz/api

Extracted

Family

lumma

C2

https://spellshagey.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • System Binary Proxy Execution: Verclsid 1 TTPs 1 IoCs

    Adversaries may abuse Verclsid to proxy execution of malicious code.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 4 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
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Botstrap-Release-x64.zip"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\7zOC286D027\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC286D027\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2468
    • C:\Users\Admin\AppData\Local\Temp\7zOC2877D17\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC2877D17\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2352
    • C:\Windows\notepad.exe
      "C:\Windows\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\7zOC28C3D67\Bootstrapper.exe"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:788
    • C:\Users\Admin\AppData\Local\Temp\7zOC286E8E7\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC286E8E7\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2912
    • C:\Users\Admin\AppData\Local\Temp\7zOC28298C7\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC28298C7\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2008
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef68c9758,0x7fef68c9768,0x7fef68c9778
      2⤵
        PID:2760
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1148 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:2
        2⤵
          PID:1708
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:8
          2⤵
            PID:2648
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1560 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:8
            2⤵
              PID:2668
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2300 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:1
              2⤵
                PID:1980
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2308 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:1
                2⤵
                  PID:1512
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1324 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:2
                  2⤵
                    PID:2948
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3196 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:1
                    2⤵
                      PID:2240
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3648 --field-trial-handle=1280,i,2742331183569902568,12380324449761139568,131072 /prefetch:8
                      2⤵
                        PID:1772
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:1692
                      • C:\Windows\explorer.exe
                        "C:\Windows\explorer.exe"
                        1⤵
                          PID:2924
                        • C:\Windows\system32\AUDIODG.EXE
                          C:\Windows\system32\AUDIODG.EXE 0x4e4
                          1⤵
                            PID:1388
                          • C:\Program Files\Internet Explorer\iexplore.exe
                            "C:\Program Files\Internet Explorer\iexplore.exe" http://appdata/
                            1⤵
                              PID:884
                              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:884 CREDAT:275457 /prefetch:2
                                2⤵
                                  PID:468
                              • C:\Windows\system32\verclsid.exe
                                "C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
                                1⤵
                                • System Binary Proxy Execution: Verclsid
                                PID:2868
                              • C:\Windows\system32\rundll32.exe
                                "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\d95b362b-0fa3-4e59-bfea-2b2c70be3657.tmp
                                1⤵
                                  PID:2928

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  aefd77f47fb84fae5ea194496b44c67a

                                  SHA1

                                  dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                  SHA256

                                  4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                  SHA512

                                  b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                                  Filesize

                                  264KB

                                  MD5

                                  f50f89a0a91564d0b8a211f8921aa7de

                                  SHA1

                                  112403a17dd69d5b9018b8cede023cb3b54eab7d

                                  SHA256

                                  b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                  SHA512

                                  bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                  Filesize

                                  1KB

                                  MD5

                                  aa5abc466beb9bec4ffdcb57fb916d86

                                  SHA1

                                  e190de7854fd6095d8477d21c797ad436d79d173

                                  SHA256

                                  9de9e7e6edc57bd8a06427cdce339e2a5a5e2445d45e16d20118c8a4a7d38e17

                                  SHA512

                                  5ac296efeeceb5ada22931171a4c269ab40f9e4d850309625f31051040a494be9f59cd6eaebfa23a62a0cf70113d0656fd425d5bdc81f1129fcc830003613b4a

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                  Filesize

                                  932B

                                  MD5

                                  23383e23390db87b70a1e7fbd0341da8

                                  SHA1

                                  222f8c538d13ca3a153c2d622db47e929d447c3f

                                  SHA256

                                  b2b0980a1e5398383ba10b801466bfa34ebc2a81e5ab3340a61d097054ba0ea8

                                  SHA512

                                  eb0c089ce4e8566768731edb5cf5e84f3c26191bfb65a234978a949898f47dcbeb3f5ea9a3df20250018140f42628f2a4157864c2222c5e936ce759cf049167f

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  960bc76d1a3b57243067a8bf9f111b27

                                  SHA1

                                  b2753d64420648025506fdf657c7c9350d71d111

                                  SHA256

                                  d010f89ec1400f42795e57c23a17c4e36c9e3bd3f5e5e1d7126d1e9c7c7268cb

                                  SHA512

                                  b0bb45ecb34921b06ec48b5ea0372d1b0e4677b2bd7d52964a61b37ead754e5144663b4a750b0289355fa4c23baa5d49ce8de678ecc135c77b9dc298b0b16316

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  f2b32b1b16bf1b31ba36aed153c325bd

                                  SHA1

                                  b54f55343b70693b0b3cf893aa8727eb5dbe68ca

                                  SHA256

                                  1e7ca211c97d5238bd8155c368ca1d15ba25d747ed65ab4967639fe05e53ebfc

                                  SHA512

                                  09440f217efa315452e1e141ef5ef5a7bbad5c1027f6162d4079315b8ad442adbca3d23ab507773f74b2139425bc2dd4e954cd5b3a1bd2615915383bff60e44e

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  18e723571b00fb1694a3bad6c78e4054

                                  SHA1

                                  afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                  SHA256

                                  8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                  SHA512

                                  43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Last Version

                                  Filesize

                                  14B

                                  MD5

                                  9eae63c7a967fc314dd311d9f46a45b7

                                  SHA1

                                  caba9c2c93acfe0b9ceb9ab19b992b0fc19c71cf

                                  SHA256

                                  4288925b0cf871c7458c22c46936efb0e903802feb991a0e1803be94ca6c251d

                                  SHA512

                                  bed924bff236bf5b6ce1df1db82e86c935e5830a20d9d24697efd82ca331e30604db8d04b0d692ec8541ec6deb2225bcc7d805b79f2db5726642198ecf6348b8

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                  Filesize

                                  355KB

                                  MD5

                                  fb0ecd302ef451d42c82418790717b5a

                                  SHA1

                                  6650462b527015205e4dabf0f97d080ff0f1af7c

                                  SHA256

                                  1d73fbd402ac0e178c3d8f7db4dacd700c986279f84902363abc20d165ee1502

                                  SHA512

                                  9c2a57330a136f68db468f0c171b71091770fc6c3a1f5ef9fada43c48ce46d99ab7b2da717364aa7bf97779c35b7bfaaaefc6080e2c4f7bf617c38522603d70d

                                • C:\Users\Admin\AppData\Local\Temp\7zOC286D027\Bootstrapper.exe

                                  Filesize

                                  291KB

                                  MD5

                                  fb185a1361635ca795d86fa13878616a

                                  SHA1

                                  b499bc957824a811322e2ce468e836ec919247d6

                                  SHA256

                                  eb56044897cc22d38a09b176457d31db37f629015891ee12f2f93a36fc607c0a

                                  SHA512

                                  7b3f1e2977758fa3415230419923a9ce9d35cba1be543ed8e7621b24deb3f0907efa07b802a80d162fed32e7d0fc77bb59fea33c224690e261e108a05d918b84

                                • C:\Users\Admin\AppData\Local\Temp\Botstrap-Release-x64.zip

                                  Filesize

                                  685B

                                  MD5

                                  f75d099f26e0dc33afb838e04fdb592e

                                  SHA1

                                  2b8b82d5845a311eda3d8a076119dd29ae34a99a

                                  SHA256

                                  a83e2e51fce49ba347b3dd7cce6cdde873f57940a2c9e8755c189164793dacbe

                                  SHA512

                                  eb5cb3f7aacfb21454ab64152f0b85f9dd725055c4a6563f55129eb3b26b6862d7fd61ee61a7548542185421446b6f3bbd6700e3cac66db3abb1a57aa2badda8

                                • memory/2008-147-0x0000000000400000-0x0000000000458000-memory.dmp

                                  Filesize

                                  352KB

                                • memory/2352-96-0x0000000000400000-0x0000000000458000-memory.dmp

                                  Filesize

                                  352KB

                                • memory/2468-111-0x0000000000400000-0x0000000000458000-memory.dmp

                                  Filesize

                                  352KB

                                • memory/2468-66-0x0000000000400000-0x0000000000458000-memory.dmp

                                  Filesize

                                  352KB

                                • memory/2912-133-0x0000000000400000-0x0000000000458000-memory.dmp

                                  Filesize

                                  352KB