Analysis

  • max time kernel
    125s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-it
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-itlocale:it-itos:windows10-2004-x64systemwindows
  • submitted
    30-11-2022 07:44

General

  • Target

    http://uaery.top/dl/build2.exe

Malware Config

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" http://uaery.top/dl/build2.exe
    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:4968
    • 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=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff4e9a4f50,0x7fff4e9a4f60,0x7fff4e9a4f70
      2⤵
        PID:4984
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1612 /prefetch:2
        2⤵
          PID:4608
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1996 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5116
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2348 /prefetch:8
          2⤵
            PID:4644
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2864 /prefetch:1
            2⤵
              PID:4708
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2856 /prefetch:1
              2⤵
                PID:4948
              • 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 --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4212 /prefetch:8
                2⤵
                  PID:768
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4608 /prefetch:8
                  2⤵
                    PID:4668
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4568 /prefetch:8
                    2⤵
                      PID:2596
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2072
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5196 /prefetch:8
                      2⤵
                        PID:4072
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5248 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3604
                      • 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 --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5300 /prefetch:8
                        2⤵
                          PID:1412
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5096 /prefetch:8
                          2⤵
                            PID:856
                          • 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 --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5356 /prefetch:8
                            2⤵
                              PID:4548
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5368 /prefetch:8
                              2⤵
                                PID:1020
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4880 /prefetch:8
                                2⤵
                                  PID:2280
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5216 /prefetch:1
                                  2⤵
                                    PID:2216
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5792 /prefetch:1
                                    2⤵
                                      PID:4012
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 /prefetch:8
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3968
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=2620 /prefetch:8
                                      2⤵
                                        PID:2612
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4904 /prefetch:8
                                        2⤵
                                          PID:3744
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5516 /prefetch:8
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:4836
                                        • 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 --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4940 /prefetch:8
                                          2⤵
                                            PID:4372
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1604,8907005212867119290,11863388738746359800,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2128 /prefetch:8
                                            2⤵
                                              PID:628
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:3616
                                            • C:\Windows\System32\rundll32.exe
                                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                              1⤵
                                                PID:1044
                                              • C:\Users\Admin\Downloads\build2.exe
                                                "C:\Users\Admin\Downloads\build2.exe"
                                                1⤵
                                                • Executes dropped EXE
                                                • Suspicious use of SetThreadContext
                                                PID:3824
                                                • C:\Users\Admin\Downloads\build2.exe
                                                  "C:\Users\Admin\Downloads\build2.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Checks computer location settings
                                                  • Loads dropped DLL
                                                  • Checks processor information in registry
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  PID:4840
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\Downloads\build2.exe" & exit
                                                    3⤵
                                                      PID:2552
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout /t 6
                                                        4⤵
                                                        • Delays execution with timeout.exe
                                                        PID:3756

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                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\History

                                                  Filesize

                                                  116KB

                                                  MD5

                                                  b6e85c6528b4749084084f553fb39cdf

                                                  SHA1

                                                  e20aad13a3a43913c5cd41ea7c22460c2135bdec

                                                  SHA256

                                                  c8d741981066c21a9a7aeb8279a72138cba47b50160fc970c9f20273f65e4406

                                                  SHA512

                                                  cbff527a93bc8086b567b4ed946ba4bc6089cbd73b82731e1607eb998d9047ac0ac9aea613c1a44fc07c3e7c375db1087236552a7e872d444ccfa55d7d5df6a8

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

                                                  Filesize

                                                  104KB

                                                  MD5

                                                  a2ee53f9e58cef652fa50a1c4e952b83

                                                  SHA1

                                                  62b5551a478b1ba6d047ed31baac4f417cfb742c

                                                  SHA256

                                                  f6b88aefcb5175762c8a93fd13ee26f5e02bfeffe69559f6e0d974199f077a29

                                                  SHA512

                                                  f4e23b9b63896663624cf927cab267212219aea0967c09ff0eae2db603c35f618778f0cdc642cec36e77f4029eba7a60c0cbf4783bbc51f555006ba8f1f3b0df

                                                • C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches

                                                  MD5

                                                  d41d8cd98f00b204e9800998ecf8427e

                                                  SHA1

                                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                  SHA256

                                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                  SHA512

                                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                • C:\Users\Admin\Downloads\build2.exe

                                                  Filesize

                                                  258KB

                                                  MD5

                                                  b9212ded69fae1fa1fb5d6db46a9fb76

                                                  SHA1

                                                  58face4245646b1cd379ee49f03a701eab1642be

                                                  SHA256

                                                  7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

                                                  SHA512

                                                  09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

                                                • C:\Users\Admin\Downloads\build2.exe

                                                  Filesize

                                                  258KB

                                                  MD5

                                                  b9212ded69fae1fa1fb5d6db46a9fb76

                                                  SHA1

                                                  58face4245646b1cd379ee49f03a701eab1642be

                                                  SHA256

                                                  7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

                                                  SHA512

                                                  09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

                                                • C:\Users\Admin\Downloads\build2.exe

                                                  Filesize

                                                  258KB

                                                  MD5

                                                  b9212ded69fae1fa1fb5d6db46a9fb76

                                                  SHA1

                                                  58face4245646b1cd379ee49f03a701eab1642be

                                                  SHA256

                                                  7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

                                                  SHA512

                                                  09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

                                                • \??\pipe\crashpad_4968_UAOYRPYQTXJWLJAY

                                                  MD5

                                                  d41d8cd98f00b204e9800998ecf8427e

                                                  SHA1

                                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                  SHA256

                                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                  SHA512

                                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                • memory/2552-166-0x0000000000000000-mapping.dmp

                                                • memory/3756-168-0x0000000000000000-mapping.dmp

                                                • memory/3824-142-0x00000000020B0000-0x00000000020FB000-memory.dmp

                                                  Filesize

                                                  300KB

                                                • memory/3824-139-0x000000000051E000-0x000000000054A000-memory.dmp

                                                  Filesize

                                                  176KB

                                                • memory/4840-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                                                  Filesize

                                                  972KB

                                                • memory/4840-143-0x0000000000400000-0x000000000045F000-memory.dmp

                                                  Filesize

                                                  380KB

                                                • memory/4840-140-0x0000000000400000-0x000000000045F000-memory.dmp

                                                  Filesize

                                                  380KB

                                                • memory/4840-141-0x0000000000400000-0x000000000045F000-memory.dmp

                                                  Filesize

                                                  380KB

                                                • memory/4840-136-0x0000000000000000-mapping.dmp

                                                • memory/4840-137-0x0000000000400000-0x000000000045F000-memory.dmp

                                                  Filesize

                                                  380KB

                                                • memory/4840-167-0x0000000000400000-0x000000000045F000-memory.dmp

                                                  Filesize

                                                  380KB