Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2024 23:07

General

  • Target

    updater.exe

  • Size

    140.1MB

  • MD5

    3db60378dae46b211045c4669998c1a5

  • SHA1

    487a891c4ea6a2f7ecf3f93f8b047f9e68f1f574

  • SHA256

    0dd66a537ead22c55bbd341c647341faaa260c499de26a0d398fb74240867c44

  • SHA512

    898a371da1da9fc717f9bcbf5793b2805d1f0ff741b31324b3d98594db4a5138a1a2bc8e304c76f3e723e86032d7785b561563b5c5219e29bc7a052d4c9f57e5

  • SSDEEP

    1572864:g2Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:3aodJFek8+k

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 7 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\updater.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\updater.exe
      "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1796 --field-trial-handle=1848,i,12107466837613612839,9131241593547712110,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:868
      • C:\Users\Admin\AppData\Local\Temp\updater.exe
        "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-sandbox --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2248 --field-trial-handle=1848,i,12107466837613612839,9131241593547712110,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
        2⤵
        • Checks computer location settings
        PID:3584
      • C:\Users\Admin\AppData\Local\Temp\updater.exe
        "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --mojo-platform-channel-handle=2024 --field-trial-handle=1848,i,12107466837613612839,9131241593547712110,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:4032
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
          2⤵
            PID:928
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4284
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
            2⤵
              PID:4120
              • C:\Windows\system32\reg.exe
                C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                3⤵
                  PID:2660
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
                2⤵
                  PID:1636
                  • C:\Windows\system32\reg.exe
                    C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                    3⤵
                      PID:4384
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                    2⤵
                      PID:4968
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic path win32_VideoController get name
                        3⤵
                        • Detects videocard installed
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2200
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                      2⤵
                        PID:4632
                        • C:\Windows\system32\cmd.exe
                          cmd /c chcp 65001
                          3⤵
                            PID:3444
                            • C:\Windows\system32\chcp.com
                              chcp 65001
                              4⤵
                                PID:116
                            • C:\Windows\system32\netsh.exe
                              netsh wlan show profiles
                              3⤵
                                PID:2624
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM chrome.exe /F"
                              2⤵
                                PID:2120
                                • C:\Windows\system32\taskkill.exe
                                  taskkill /IM chrome.exe /F
                                  3⤵
                                  • Kills process with taskkill
                                  PID:4476
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                                2⤵
                                  PID:1336
                                  • C:\Windows\system32\tasklist.exe
                                    tasklist
                                    3⤵
                                    • Enumerates processes with tasklist
                                    PID:2624
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f"
                                  2⤵
                                    PID:3352
                                    • C:\Windows\system32\reg.exe
                                      C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f
                                      3⤵
                                      • Adds Run key to start application
                                      PID:1888
                                  • C:\Users\Admin\AppData\Local\Temp\updater.exe
                                    "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3460 --field-trial-handle=1848,i,12107466837613612839,9131241593547712110,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4684

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\76ab1d93-d9e8-4c0a-9904-7647f21cf68e.tmp.node

                                  Filesize

                                  2.6MB

                                  MD5

                                  083fd9f2e3e93e1f2c599a2b609c9e5e

                                  SHA1

                                  6db2b6ce3e60d828ca32a6000c270c09224f3139

                                  SHA256

                                  5800c926c34c7ef38a45840c30e8855c1b3a6ec1ec8f37ffc6ce2d402728eabd

                                  SHA512

                                  08206b13d7e91f36d65de545b483d5fa446c2a1d8baab4c2fb19aa711af10cbfd98da3811d34a16033b5c09eb297fdcfaf09a186b4dcf69e84bb4dfcc11d96b2

                                • C:\Users\Admin\AppData\Local\Temp\babe3da6-516f-46b3-ae2e-487df84fb57b.tmp.node

                                  Filesize

                                  642KB

                                  MD5

                                  1e32fac704db6c15eb693864b34de072

                                  SHA1

                                  c20d0aa3345e3b2d658b307e119247a442e61528

                                  SHA256

                                  49a123e7cfb66f6187c6f1c86e58f7aff23a7ab304eb43d12e29312bbea9db78

                                  SHA512

                                  27720180f40a4eea40f33aa02f70053e1fff83ba5fc3595a62d706be982cadc75799ebba8bafe2d47d00e15fc163a01ce61d257d1b3d13e502fb226eaefa4daa

                                • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\AutoFill Data\All Autofill Data.txt

                                  Filesize

                                  249B

                                  MD5

                                  cf7e4a12f932a3fddddacc8b10e1f1b0

                                  SHA1

                                  db6f9bc2be5e0905086b7b7b07109ef8d67b24ee

                                  SHA256

                                  1b6d3f6ad849e115bf20175985bed9bcfc6ec206e288b97ac14c3a23b5d28a4b

                                  SHA512

                                  fab79f26c1841310cc61e2f8336ca05281a9252a34a3c240e500c8775840374edb0a42094c64aa38a29ca79e1cafa114d6f1bbe3009060d32f8c1df9f088c12c

                                • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Passwords\All Passwords.txt

                                  Filesize

                                  231B

                                  MD5

                                  dec2be4f1ec3592cea668aa279e7cc9b

                                  SHA1

                                  327cf8ab0c895e10674e00ea7f437784bb11d718

                                  SHA256

                                  753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                                  SHA512

                                  81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                                • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                                  Filesize

                                  2B

                                  MD5

                                  f3b25701fe362ec84616a93a45ce9998

                                  SHA1

                                  d62636d8caec13f04e28442a0a6fa1afeb024bbb

                                  SHA256

                                  b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                                  SHA512

                                  98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                                • C:\Users\Admin\AppData\Roaming\updater\Network\Network Persistent State

                                  Filesize

                                  296B

                                  MD5

                                  5cf4ffa1df674201cf5a8964a97ec876

                                  SHA1

                                  57ac6fe02bac59920741a4f7bdc01a5aa00f8e24

                                  SHA256

                                  aa7759e9a4200fda17b219e970fe4ca5450360989038825dab375a2d75f97ecf

                                  SHA512

                                  3e6b205d7cd842913d634b358350d4d8e59e1950fd071f9c66af0c64d44f67edee6c202ac9b51a88bbbdf4839b619313ae663c99b7f965138d05043f49edd30d

                                • C:\Users\Admin\AppData\Roaming\updater\Network\Network Persistent State~RFe58d00d.TMP

                                  Filesize

                                  59B

                                  MD5

                                  78bfcecb05ed1904edce3b60cb5c7e62

                                  SHA1

                                  bf77a7461de9d41d12aa88fba056ba758793d9ce

                                  SHA256

                                  c257f929cff0e4380bf08d9f36f310753f7b1ccb5cb2ab811b52760dd8cb9572

                                  SHA512

                                  2420dff6eb853f5e1856cdab99561a896ea0743fcff3e04b37cb87eddf063770608a30c6ffb0319e5d353b0132c5f8135b7082488e425666b2c22b753a6a4d73

                                • memory/868-9-0x00007FFFB84F0000-0x00007FFFB84F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3584-11-0x00007FFFB7E60000-0x00007FFFB7E61000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3584-12-0x00007FFFB8AB0000-0x00007FFFB8AB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-131-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-132-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-133-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-138-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-137-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-139-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-141-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-140-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-143-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4684-142-0x0000022F1F230000-0x0000022F1F231000-memory.dmp

                                  Filesize

                                  4KB