Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 22:05

General

  • Target

    file.exe

  • Size

    503KB

  • MD5

    926dd9e88e2ac846eaf3c23ef8208cdf

  • SHA1

    95e642c98048b718b948425e39a746d66d0dd4db

  • SHA256

    ad277a48c7c67f5510e0d2b28284f631f9e51dd7da53ed9e4da8dec0078d9aa0

  • SHA512

    ff5c31b9ffe58b88983ba2c2f8f2195c454fe69f05a9d5a40aa90227461fb3a1994c778b026a723715ab5d3664702f47df84336afd5b495cd258a1514f75eb30

  • SSDEEP

    12288:sA4gyTSwAN2kL0PPJHBlOyLwFrpOu6VSlC8OIlr7v:sxgFN2kL03HlpLwFrpOu6qC83r7v

Malware Config

Extracted

Family

stealc

Botnet

LogsDiller1

C2

http://109.107.157.132

Attributes
  • url_path

    /7a5d4e643b804e99.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Downloads MZ/PE file
  • Uses browser remote debugging 2 TTPs 9 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 8 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
        PID:3112
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9229 --profile-directory=""
          3⤵
          • Uses browser remote debugging
          • Enumerates system info in registry
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2164
          • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffc0ff9cc40,0x7ffc0ff9cc4c,0x7ffc0ff9cc58
            4⤵
              PID:2624
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1948,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1944 /prefetch:2
              4⤵
                PID:2956
              • 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 --no-appcompat-clear --field-trial-handle=2172,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2208 /prefetch:3
                4⤵
                  PID:1276
                • 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=service --no-appcompat-clear --field-trial-handle=2264,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2488 /prefetch:8
                  4⤵
                    PID:3868
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3184,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3196 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1168
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3204,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3236 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:4312
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4280,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4592 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2232
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4556,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4516 /prefetch:8
                    4⤵
                      PID:1772
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4288,i,3743248053638704210,8380925613517476959,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4512 /prefetch:8
                      4⤵
                        PID:3484
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --remote-debugging-port=9229 --profile-directory="Default"
                      3⤵
                      • Uses browser remote debugging
                      • Enumerates system info in registry
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                      • Suspicious use of FindShellTrayWindow
                      PID:264
                      • 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,0x100,0x104,0xd8,0x108,0x7ffc0ffd46f8,0x7ffc0ffd4708,0x7ffc0ffd4718
                        4⤵
                        • Checks processor information in registry
                        • Enumerates system info in registry
                        • Suspicious behavior: EnumeratesProcesses
                        PID:400
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,3721713348579496905,11640969992182562880,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
                        4⤵
                          PID:2300
                        • 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=2172,3721713348579496905,11640969992182562880,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
                          4⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4424
                        • 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=2172,3721713348579496905,11640969992182562880,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:8
                          4⤵
                            PID:4884
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2172,3721713348579496905,11640969992182562880,131072 --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=3268 /prefetch:1
                            4⤵
                            • Uses browser remote debugging
                            PID:5008
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2172,3721713348579496905,11640969992182562880,131072 --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=3376 /prefetch:1
                            4⤵
                            • Uses browser remote debugging
                            PID:1988
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2172,3721713348579496905,11640969992182562880,131072 --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=4812 /prefetch:1
                            4⤵
                            • Uses browser remote debugging
                            PID:4744
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2172,3721713348579496905,11640969992182562880,131072 --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=4048 /prefetch:1
                            4⤵
                            • Uses browser remote debugging
                            PID:1200
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:4752
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3916

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\ProgramData\mozglue.dll

                          Filesize

                          593KB

                          MD5

                          c8fd9be83bc728cc04beffafc2907fe9

                          SHA1

                          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                          SHA256

                          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                          SHA512

                          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                        • C:\ProgramData\nss3.dll

                          Filesize

                          2.0MB

                          MD5

                          1cc453cdf74f31e4d913ff9c10acdde2

                          SHA1

                          6e85eae544d6e965f15fa5c39700fa7202f3aafe

                          SHA256

                          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                          SHA512

                          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

                          Filesize

                          649B

                          MD5

                          b021453430f2a4fc67be2c478d597092

                          SHA1

                          877d2553c0d4e368c374e1a49a414a76825027b0

                          SHA256

                          333604bf85df1ff5ae763e301d79be6d9b467f2fe89b8092410dd1a820d1a5a0

                          SHA512

                          d22420a261262fbb6387741b4ed1482b755af394f00e011dc968916b7ebab04a841bda37a8f8a12aa596f7d9b9d7149e8713bfe5e931216424a995650caf2b3d

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                          Filesize

                          152B

                          MD5

                          37f660dd4b6ddf23bc37f5c823d1c33a

                          SHA1

                          1c35538aa307a3e09d15519df6ace99674ae428b

                          SHA256

                          4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

                          SHA512

                          807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

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

                          Filesize

                          152B

                          MD5

                          d7cb450b1315c63b1d5d89d98ba22da5

                          SHA1

                          694005cd9e1a4c54e0b83d0598a8a0c089df1556

                          SHA256

                          38355fd694faf1223518e40bac1996bdceaf44191214b0a23c4334d5fb07d031

                          SHA512

                          df04d4f4b77bae447a940b28aeac345b21b299d8d26e28ecbb3c1c9e9a0e07c551e412d545c7dbb147a92c12bad7ae49ac35af021c34b88e2c6c5f7a0b65f6a8

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

                          Filesize

                          5KB

                          MD5

                          dca49afc2e0c8f5c2802441d847bf18c

                          SHA1

                          523576f481c0c73e770303782dac652e9ddbe8c4

                          SHA256

                          98b100e132a118b966a86df2ecc1a3edb0c2cee249caec054eb6a99418ca35f2

                          SHA512

                          b03c95e5a6639e42ee806ad17c20b1bcd754a7e023b818878eece4f3c3f9061d0ddb97a894e2ae5517ed93a3ee7e892d81afcbbbfc71ed6a9ea41b1c2eb37e98

                        • memory/2340-5-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                          Filesize

                          972KB

                        • memory/2340-4-0x0000000000B60000-0x0000000000BDF000-memory.dmp

                          Filesize

                          508KB

                        • memory/2340-3-0x0000000000400000-0x0000000000650000-memory.dmp

                          Filesize

                          2.3MB

                        • memory/2340-1-0x0000000000400000-0x0000000000650000-memory.dmp

                          Filesize

                          2.3MB

                        • memory/4560-0-0x0000000000B9D000-0x0000000000B9E000-memory.dmp

                          Filesize

                          4KB