Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-03-2024 09:29

General

  • Target

    wqweskxoxzl1.exe

  • Size

    139.9MB

  • MD5

    edc2f068730d9229e0dc0a1fea3caf63

  • SHA1

    f9f2927bbcc5313dcf386a0a3d6d9173220ee49d

  • SHA256

    cbb12634878183c08fde3d46d021fed687f4d959d30aa3da3b95170f94afbc38

  • SHA512

    37317a954ccf49d17b6380d95553432c54f10ea158c82e3aadc30d32e5354652e2858d7d57b3940064dce8ea9468680003927547379fc9924698db96b2f25553

  • SSDEEP

    1572864:E2Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:7aodJFek8+k

Score
10/10

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • 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\wqweskxoxzl1.exe
    "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
      "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1772 --field-trial-handle=1876,i,18274403091396572991,9106391739966213245,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:1676
      • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
        "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --mojo-platform-channel-handle=2052 --field-trial-handle=1876,i,18274403091396572991,9106391739966213245,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:2096
        • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
          "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --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=2264 --field-trial-handle=1876,i,18274403091396572991,9106391739966213245,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
          • Checks computer location settings
          PID:4688
        • 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:1612
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
              3⤵
                PID:1832
            • 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:4160
                • C:\Windows\system32\reg.exe
                  C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                  3⤵
                    PID:2080
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                  2⤵
                    PID:1912
                    • C:\Windows\system32\tasklist.exe
                      tasklist
                      3⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1616
                  • 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:3112
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                        3⤵
                          PID:1824
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                        2⤵
                          PID:448
                          • C:\Windows\System32\Wbem\WMIC.exe
                            wmic path win32_VideoController get name
                            3⤵
                            • Detects videocard installed
                            • Suspicious use of AdjustPrivilegeToken
                            PID:4892
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                          2⤵
                            PID:3264
                            • C:\Windows\system32\cmd.exe
                              cmd /c chcp 65001
                              3⤵
                                PID:244
                                • C:\Windows\system32\chcp.com
                                  chcp 65001
                                  4⤵
                                    PID:264
                                • C:\Windows\system32\netsh.exe
                                  netsh wlan show profiles
                                  3⤵
                                    PID:4552
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM chrome.exe /F"
                                  2⤵
                                    PID:4132
                                    • C:\Windows\system32\taskkill.exe
                                      taskkill /IM chrome.exe /F
                                      3⤵
                                      • Kills process with taskkill
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:724
                                  • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
                                    "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.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\wqweskxoxzl1" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2428 --field-trial-handle=1876,i,18274403091396572991,9106391739966213245,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1448

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\3c6fe508-e349-4699-91bb-31afa3a4d80d.tmp.node

                                  Filesize

                                  2.7MB

                                  MD5

                                  adf2a9f12bb4eaae86d9b770c89fbae0

                                  SHA1

                                  17f7ffe8eb1a0151ed7b522a57447468894a3b9f

                                  SHA256

                                  bd335aee860072540f486284bce8c22ad90d4a4f9c0bf755e98acdba9ecb10ab

                                  SHA512

                                  58a88aa00d0cc8f98cda33ad2434590f57e3bc139939b21392c6d0b2f95d6a910b52a1ac3b961841e44bc3698ce8118cda86bbff1b05830fcff7d8742417cae5

                                • C:\Users\Admin\AppData\Local\Temp\69529445-e8e9-43ac-84f0-f68216f202bf.tmp.node

                                  Filesize

                                  641KB

                                  MD5

                                  584319ff22d290d876119bc837b09448

                                  SHA1

                                  7f9049781500522e434844b22a53e134871ab6b7

                                  SHA256

                                  f7ab009cc890abee411c9a68f84a858e01ba0a8915b71ccde6ac7ec3b768d5b5

                                  SHA512

                                  2ba2d14d2e6ccfe446486b4f20fb91dee35c72fb991ee04ade640554014b41307da0b6dcab5ac9b5a97492c548da3226dd3b8f72b387397af19a771004b61dcb

                                • 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\wqweskxoxzl1\Network\Network Persistent State

                                  Filesize

                                  296B

                                  MD5

                                  071c53afb99fddf56bff0656f54d6b89

                                  SHA1

                                  be95ef18d6c18fcace7397417ebd09638dff4b1c

                                  SHA256

                                  afbbed6e5b1b6ce84296045a4cb52de393a0205279b7237c43d068fb433755dd

                                  SHA512

                                  4009c7a91b19865b8dc665ba6a2b8dc2e0f3cb9b823c79933164e72e3b1898e639b3525f04c528640e20cfd9ec6e830dd61f5ddf761de3fd232674055e4f3c14

                                • C:\Users\Admin\AppData\Roaming\wqweskxoxzl1\Network\Network Persistent State~RFe588122.TMP

                                  Filesize

                                  59B

                                  MD5

                                  2800881c775077e1c4b6e06bf4676de4

                                  SHA1

                                  2873631068c8b3b9495638c865915be822442c8b

                                  SHA256

                                  226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                                  SHA512

                                  e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

                                • memory/1448-165-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-166-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-162-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-163-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-164-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-157-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-158-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-168-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-156-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1448-167-0x0000016AA6640000-0x0000016AA6641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1676-123-0x000001E170090000-0x000001E1700BB000-memory.dmp

                                  Filesize

                                  172KB

                                • memory/1676-6-0x00007FFF5EE00000-0x00007FFF5EE01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4688-26-0x00007FFF5E8C0000-0x00007FFF5E8C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4688-25-0x000001B9B9B90000-0x000001B9B9B91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4688-124-0x000001B9B9A40000-0x000001B9B9A6B000-memory.dmp

                                  Filesize

                                  172KB