Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 02:44

General

  • Target

    azkzkzz.exe

  • Size

    134.3MB

  • MD5

    d731a941b7e19d97e648a8814c2261b7

  • SHA1

    7d4dab7356bcaad4b8ddfa9e1aa123e070453fc5

  • SHA256

    3357e2751c152a44e9ec41d08205d70f9fc185d59ec0bf30b2e5a1009c917046

  • SHA512

    9c634c9530232715bf8984cc1f51042891e049abd47a946257c098bfeca5b1755fb99be4a4928ca49e29cd8a86a212e7a35537b23c0f80c87bb7429e40a3aa5a

  • SSDEEP

    1572864:XicLgaO9p7sMMcmhRhgBx/CyhwGKsME1:khTRsJE1

Score
10/10

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
    "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic CsProduct Get UUID
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4492
    • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
      "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --field-trial-handle=1660,82954158205812022,5913027390172399790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1668 /prefetch:2
      2⤵
        PID:3328
      • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
        "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1660,82954158205812022,5913027390172399790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --mojo-platform-channel-handle=1972 /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4824
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:5112
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
          3⤵
            PID:4012
        • 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⤵
          • Suspicious use of WriteProcessMemory
          PID:3856
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
            3⤵
              PID:2084
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2036
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:3144
          • 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⤵
            • Suspicious use of WriteProcessMemory
            PID:3844
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3148
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
            2⤵
              PID:3104
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                3⤵
                • Detects videocard installed
                PID:4552
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
              2⤵
                PID:3780
                • C:\Windows\system32\cmd.exe
                  cmd /c chcp 65001
                  3⤵
                    PID:4348
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      4⤵
                        PID:4704
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show profiles
                      3⤵
                        PID:4988
                    • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
                      "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --field-trial-handle=1660,82954158205812022,5913027390172399790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --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\azkzkzz" --gpu-preferences=UAAAAAAAAADoAAAIAAAAAAAAAAAAAAAAAABgAAAIAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1588 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2688
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:3028

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\4b69a791-fc36-4911-8741-653ce54d65ba.tmp.node

                      Filesize

                      1.3MB

                      MD5

                      cb78bbdbda456fb2b2b0d3efdb3dc919

                      SHA1

                      31cdd023fccfa87857787915ade0e0b972b9f13e

                      SHA256

                      21f80dbb643d4d69910457d7fb41f14fb91e027654d8a648b716537a89fcaefd

                      SHA512

                      7eefeb5e4831ab64964fd086141a4ba7a9e9f43526b90a7866596a3d68b6fde2371e44fa786f67c2f7d47d4bd6a23103c8b91730b6b72e3538765c6b7c808045

                    • C:\Users\Admin\AppData\Local\Temp\b4983a56-282a-4254-986c-4262cb5bc2fa.tmp.node

                      Filesize

                      652KB

                      MD5

                      c5c6631f2706203785a1880d748869e9

                      SHA1

                      5f80f6e68168b19d5bdca53e568b3e0584688383

                      SHA256

                      60932f76ed62a1ab950663dda8ba07ca47e2ba6b7c2caf29884c42e0901ce8c8

                      SHA512

                      58b65a7063d990b0becb7e9dbebe56cf16d8d626e0be175be59c52fe8718d2646b9e3318c11261c133a85e0006de59238430c843e244093f32a894244d8400b4

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

                      Filesize

                      231B

                      MD5

                      dec2be4f1ec3592cea668aa279e7cc9b

                      SHA1

                      327cf8ab0c895e10674e00ea7f437784bb11d718

                      SHA256

                      753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                      SHA512

                      81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                    • memory/2688-76-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-75-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-77-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-82-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-81-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-84-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-83-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-86-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-85-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2688-87-0x000001C330E10000-0x000001C330E11000-memory.dmp

                      Filesize

                      4KB

                    • memory/3328-64-0x0000025137480000-0x000002513752D000-memory.dmp

                      Filesize

                      692KB

                    • memory/3328-6-0x00007FFAE4720000-0x00007FFAE4721000-memory.dmp

                      Filesize

                      4KB