Analysis

  • max time kernel
    27s
  • max time network
    45s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    14-09-2024 15:43

General

  • Target

    Unlock_Tool_5.7.exe

  • Size

    274KB

  • MD5

    f1fc4857b145c3f406e101e7891e0806

  • SHA1

    aaef6e23757b1a630e4d341b1c0789392e83813b

  • SHA256

    0cda418e296bceda46e5a7b7f89a33acae4ff5c6523c22e82a75c4d26553db3b

  • SHA512

    bd3d9f1b50f27dc2f1ee02756e0e04a3ee319e50697b4beafb7be47a6ebb5bc431ff7ddda9f710ab1c54bb5dcbeed90062995bc0eaf3fbaee0fb3a8ce475d744

  • SSDEEP

    6144:H9BDl2wLHyWeemtO224BD0kc7P5W3w+KJsucPsmVqNvN+c:HjD4E7Jvqp0kc57/cPo

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 22 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

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

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

  • 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 2 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 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe
    "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2672
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:5048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Checks computer location settings
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHDHJJJECFIE" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3652
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2336
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --field-trial-handle=3032,i,13036129687685891027,14108846584413690588,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8
        1⤵
          PID:2264
        • 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 --lang=es --service-sandbox-type=none --field-trial-handle=3844,i,13036129687685891027,14108846584413690588,262144 --variations-seed-version --mojo-platform-channel-handle=2312 /prefetch:3
          1⤵
            PID:1524
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:1812
            • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe
              "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe"
              1⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3344
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:4692
            • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe
              "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe"
              1⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3688
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:2548
            • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe
              "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe"
              1⤵
                PID:4480
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  2⤵
                    PID:3828
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    2⤵
                      PID:3096
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      2⤵
                        PID:2660
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        2⤵
                          PID:4592
                      • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe
                        "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_5.7.exe"
                        1⤵
                          PID:3960
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                            2⤵
                              PID:640
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              2⤵
                                PID:5060

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\ProgramData\AFBFHDBKJEGH\HDGCAA

                              Filesize

                              20KB

                              MD5

                              a603e09d617fea7517059b4924b1df93

                              SHA1

                              31d66e1496e0229c6a312f8be05da3f813b3fa9e

                              SHA256

                              ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

                              SHA512

                              eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

                            • C:\ProgramData\GIIEGHIDBGHI\HDAKJD

                              Filesize

                              160KB

                              MD5

                              f310cf1ff562ae14449e0167a3e1fe46

                              SHA1

                              85c58afa9049467031c6c2b17f5c12ca73bb2788

                              SHA256

                              e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

                              SHA512

                              1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

                            • 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\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

                              Filesize

                              2KB

                              MD5

                              08a98ad57e4c63cd4f658059aecaeec1

                              SHA1

                              d1017e8a96aebd6693c7cca3c70f791221bf8537

                              SHA256

                              bcb77f45f9e00fb77e51fb8c473ea95610dd6d66cd3d8333bdbce0dda8a67758

                              SHA512

                              87de46dd120791513e8d4c92b865e99911a5636b6b2eef6f38638fa9249ab4cc197a3d334ff9dc88620fc41fa34629630ee281a02f8695c734941259d3f7108a

                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

                              Filesize

                              2KB

                              MD5

                              dba27b9cb0d8f457c58b861b415adbbe

                              SHA1

                              b52729adbbd673ad95c6831ff8408f4356236214

                              SHA256

                              2f6e05e407f09d982b1b6aba7eda5240f54e2db906dbfc4bd359bdf44004fca0

                              SHA512

                              fd23628a9575925acd439153b145aa054baf76a18a15089ea4105e99599f356dc751e4a57cb2c78492bc2557419cff9854a44a9cb25ac191750f6fc477ed6acb

                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

                              Filesize

                              1KB

                              MD5

                              37caf12e7f08c24b241201d67acf61d7

                              SHA1

                              d4d556f78462f343024a22d201e77203e7021909

                              SHA256

                              33a908c32c51489f7234b7dcfffc7329b623b9bf659b65021cdbd9806342a573

                              SHA512

                              c00e9d2df7a5424aa2bbdfe60cf57f2910464c5698899ff3ce8617c8b43a58fd6e98d33b0e0ca698fea4b5583c75a1c53801ae73b123adeeb2ada5619bdfe229

                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

                              Filesize

                              458B

                              MD5

                              f2d44b6dc2d63ab90289e2e1c2b9f2e5

                              SHA1

                              cb834f46da85aa4415ae3cf32b32168b10abd63a

                              SHA256

                              5d3e60301ebe104de45bb1a7c9525b8a6bd39003353091256cab17189c08d980

                              SHA512

                              8e8ebac7f8d73c20cfe23c0ec9922bd246f62dbd7b9bdd55a96a292110a6af53629288f300662b785f26f76a3427f4cde00af650cda04351fd1a518cf7bfc7b2

                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

                              Filesize

                              450B

                              MD5

                              ef41433853dac0040215bc02c42e9f5d

                              SHA1

                              427cd1d061c18958c35c236b6ac33e76e6524952

                              SHA256

                              3c23315a21750240485da0f5221042fafc3b4c3d18b1a8217e2479ac2dac70dc

                              SHA512

                              076b28817afd44eb87f12831a7c21d23113d95147b5bf16f1fde5ce16185e098b2e7b81411c50e11806f394879da6aacf7a79706c187ce00bff78addecd9e8f9

                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

                              Filesize

                              458B

                              MD5

                              e881645fbf129750fee405eb947b26ad

                              SHA1

                              e3c130533d32b006299d5e241286976bc827c496

                              SHA256

                              97ab264b1000afce577d9cc5afd4de99aac2076e398395e55d5fd1b6ffb3a4d4

                              SHA512

                              4cb2db9c0febf1727cd5ba21ffcbd1cef685b1992120924847678bd143ed467c497e78d050c76b43d9889add9d1edfa457831483201c077135d6c44b0cdd4720

                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Unlock_Tool_5.7.exe.log

                              Filesize

                              137B

                              MD5

                              8a8f1e8a778dff107b41ea564681fe7b

                              SHA1

                              08efcfdc3e33281b2b107d16b739b72af4898041

                              SHA256

                              d09cdd05da4e3e875d3d5d66c542404519759acda2efa7c00ca69aa3f6234de4

                              SHA512

                              a372330793e09c661e6bf8b2c293c1af81de77972b8b4ba47055f07be0fcdfe5e507adbc53903a0cd90c392b36fe4a8a41d3fea923ad97fa061dbef65398edf6

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\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\Default\Network\Sdch Dictionaries

                              Filesize

                              40B

                              MD5

                              20d4b8fa017a12a108c87f540836e250

                              SHA1

                              1ac617fac131262b6d3ce1f52f5907e31d5f6f00

                              SHA256

                              6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

                              SHA512

                              507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

                            • memory/1664-41-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-10-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-66-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-67-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-4-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-51-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-42-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-92-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-93-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-100-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-101-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-8-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-26-0x000000001FFC0000-0x000000002021F000-memory.dmp

                              Filesize

                              2.4MB

                            • memory/1664-25-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-24-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/1664-58-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/2560-2-0x0000000004FB0000-0x0000000005554000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/2560-6-0x00000000747B0000-0x0000000074F60000-memory.dmp

                              Filesize

                              7.7MB

                            • memory/2560-74-0x00000000747B0000-0x0000000074F60000-memory.dmp

                              Filesize

                              7.7MB

                            • memory/2560-1-0x00000000000D0000-0x000000000011A000-memory.dmp

                              Filesize

                              296KB

                            • memory/2560-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

                              Filesize

                              4KB

                            • memory/4592-160-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4592-161-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4592-162-0x0000000022160000-0x00000000223BF000-memory.dmp

                              Filesize

                              2.4MB

                            • memory/4592-176-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4692-137-0x0000000020580000-0x00000000207DF000-memory.dmp

                              Filesize

                              2.4MB

                            • memory/4692-151-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4692-152-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4692-136-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB

                            • memory/4692-128-0x0000000000400000-0x0000000000657000-memory.dmp

                              Filesize

                              2.3MB