Analysis

  • max time kernel
    35s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 20:48

General

  • Target

    MontanaWolfTeam_.exe

  • Size

    5.4MB

  • MD5

    f5d18126eaef7c84c5e952a59ce1d256

  • SHA1

    4fb6cc7cfae2fd3c917d58cc0a0b43872fc554d6

  • SHA256

    31ce17a4bbbaac10571232f542f867f806d81b89e4952c4afabec1497b8eaf02

  • SHA512

    75856c803be1166b50f32ddb586822ad3172b2cd18acc1be8a2f5efa8ca9ae08f549696692379b135c87ff87ca4c3f35f42e83baf822b4731014cd69754ac042

  • SSDEEP

    98304:q1wPi5MIH/2s/mebveZLpkGH/2s/mebveZLpkuuaPJrTxhTFj:WwPi5MIH/TStWGH/TStWu/1DT

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in Windows directory 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 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MontanaWolfTeam_.exe
    "C:\Users\Admin\AppData\Local\Temp\MontanaWolfTeam_.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\CROCODILEJFDHJRTA.exe
      "C:\Users\Admin\AppData\Local\Temp\CROCODILEJFDHJRTA.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3824
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.youtube.com/@CrocodileHack/videos
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4240
      • 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,0x100,0x104,0xd8,0x108,0x7ffeac4946f8,0x7ffeac494708,0x7ffeac494718
        3⤵
          PID:1028
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
          3⤵
            PID:1588
          • 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=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2144 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1124
          • 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=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
            3⤵
              PID:5104
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --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=3256 /prefetch:1
              3⤵
                PID:4516
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
                3⤵
                  PID:4860
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --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=3932 /prefetch:1
                  3⤵
                    PID:1264
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5304 /prefetch:8
                    3⤵
                      PID:4508
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5304 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2016
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4076 /prefetch:1
                      3⤵
                        PID:3524
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4088 /prefetch:1
                        3⤵
                          PID:5112
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4652 /prefetch:1
                          3⤵
                            PID:2416
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,8336129351844359333,16190429296435863626,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4924 /prefetch:1
                            3⤵
                              PID:5028
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3652
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:976

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

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

                                    Filesize

                                    152B

                                    MD5

                                    d22073dea53e79d9b824f27ac5e9813e

                                    SHA1

                                    6d8a7281241248431a1571e6ddc55798b01fa961

                                    SHA256

                                    86713962c3bb287964678b148ee08ea83fb83483dff8be91c8a6085ca560b2a6

                                    SHA512

                                    97152091ee24b6e713b8ec8123cb62511f8a7e8a6c6c3f2f6727d0a60497be28814613b476009b853575d4931e5df950e28a41afbf6707cb672206f1219c4413

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

                                    Filesize

                                    152B

                                    MD5

                                    bffcefacce25cd03f3d5c9446ddb903d

                                    SHA1

                                    8923f84aa86db316d2f5c122fe3874bbe26f3bab

                                    SHA256

                                    23e7cbbf64c81122c3cb30a0933c10a320e254447771737a326ce37a0694d405

                                    SHA512

                                    761dae5315b35ec0b2fe68019881397f5d2eadba3963aba79a89f8953a0cd705012d7faf3a204a5f36008926b9f614980e333351596b06ce7058d744345ce2e7

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                    Filesize

                                    216B

                                    MD5

                                    f384724a635a94788757ca862490319c

                                    SHA1

                                    0572a5d86a514dfb2287c26dc5a410de3ff21140

                                    SHA256

                                    ac5c8ee1b1ae0efd9a3d054569cf6433ce62fe56cbe39af4f0d7a5ce9ccad018

                                    SHA512

                                    e29de6874c717fdd23520512e437a1f86e95ab40b41b6483581843bd3b0a683ab3b6457cf46218b9d68917b9fb49ed5b227014a332d64ab29003dd853fd549f2

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

                                    Filesize

                                    6KB

                                    MD5

                                    1f7924f685ebd3c676cb25cd2410a407

                                    SHA1

                                    8a74d763fe8a03b6958de121e03adbc7b79997a5

                                    SHA256

                                    dfae821e2dcef8e2a348abcb9d631a26314df7f58184862930e70461d3405fe8

                                    SHA512

                                    a1c9392f469aac0a8babdef15658ab3f03cc288cc2a9b53250819d81c5c6dee68020cb60b8b349183b93350c542eb8bef15469758d9d4704bdc21af728b618bd

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

                                    Filesize

                                    6KB

                                    MD5

                                    fe56fb84d14c5c08b3243cac6adbd97b

                                    SHA1

                                    269791d6f755d8ea29a179bece1917bd164916d4

                                    SHA256

                                    68cf05aac053abec42731ae3158061e53a5984b66325db0e4298ac0349211421

                                    SHA512

                                    10a3505896b9f009d9003abdba37b5aa40593934c036af2dc399cae649648cd07c654bb5c2de7fa869a68bfee2745473721c7065745f97134bd9a9f78b762774

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

                                    Filesize

                                    16B

                                    MD5

                                    6752a1d65b201c13b62ea44016eb221f

                                    SHA1

                                    58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                    SHA256

                                    0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                    SHA512

                                    9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                    Filesize

                                    10KB

                                    MD5

                                    084b25583b69fbad94c5be4c319414a2

                                    SHA1

                                    502fe8f573feff548f9762aec0f2799d049b03d8

                                    SHA256

                                    b7387109cfad816351bb11d1298ec83a49a595c17650352d04d89d74633f41cf

                                    SHA512

                                    5e3985a19e66da73d1a08fe269d2a867f8364c3688b066e15e274664e7d83e10218cf07c61b5a5bdfc1cf8a9085d56c3b7021f8b6c0ecff3f8e3e58354ff8b5a

                                  • C:\Users\Admin\AppData\Local\Temp\CROCODILEJFDHJRTA.exe

                                    Filesize

                                    8KB

                                    MD5

                                    254965075be31dc31c218827de6bdc04

                                    SHA1

                                    bf61f90bd89f54a5d5d5cd0f8da1ffa9bcd0a43a

                                    SHA256

                                    c0461e1f0018d20efb2df2219f0035b8860433d87094ac6ed65bbdf8f277f101

                                    SHA512

                                    ce3a6083dfbc2d958852418989850f3d9c1701599608d69c7ca824e1970523e673b1015fceef427bb431971e6d9d885a602ac6c17a0c39219757cd0d4c45f8f3

                                  • memory/3824-34-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3824-35-0x0000000000210000-0x0000000000218000-memory.dmp

                                    Filesize

                                    32KB

                                  • memory/3824-93-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3824-44-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3824-37-0x0000000004C50000-0x0000000004CE2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3824-36-0x0000000005200000-0x00000000057A4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4996-7-0x000000001CA70000-0x000000001CABC000-memory.dmp

                                    Filesize

                                    304KB

                                  • memory/4996-5-0x000000001C910000-0x000000001C9AC000-memory.dmp

                                    Filesize

                                    624KB

                                  • memory/4996-9-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-8-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-14-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-10-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-6-0x0000000001940000-0x0000000001948000-memory.dmp

                                    Filesize

                                    32KB

                                  • memory/4996-0-0x00007FFEB0955000-0x00007FFEB0956000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4996-61-0x00007FFEB0955000-0x00007FFEB0956000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4996-62-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-81-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-4-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-11-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-3-0x000000001C370000-0x000000001C83E000-memory.dmp

                                    Filesize

                                    4.8MB

                                  • memory/4996-2-0x00007FFEB06A0000-0x00007FFEB1041000-memory.dmp

                                    Filesize

                                    9.6MB

                                  • memory/4996-1-0x000000001BDF0000-0x000000001BE96000-memory.dmp

                                    Filesize

                                    664KB