Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-03-2024 13:01

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 3 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic CsProduct Get UUID
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2540
    • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
      "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --field-trial-handle=1048,11492846686142187614,11229304341658353465,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1056 /prefetch:2
      2⤵
        PID:3004
      • 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:2888
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
          3⤵
            PID:1120
        • 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:1848
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
            3⤵
              PID:2044
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:328
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2032
          • C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
            "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --field-trial-handle=1048,11492846686142187614,11229304341658353465,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1288 /prefetch:2
            2⤵
              PID:1916
            • 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:2504
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                  3⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2020
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                2⤵
                  PID:2304
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic path win32_VideoController get name
                    3⤵
                    • Detects videocard installed
                    PID:2512
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                  2⤵
                    PID:2860
                    • C:\Windows\system32\cmd.exe
                      cmd /c chcp 65001
                      3⤵
                        PID:2112
                        • C:\Windows\system32\chcp.com
                          chcp 65001
                          4⤵
                            PID:3036
                        • C:\Windows\system32\netsh.exe
                          netsh wlan show profiles
                          3⤵
                            PID:2260
                        • 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=1048,11492846686142187614,11229304341658353465,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --mojo-platform-channel-handle=976 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2316

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        231B

                        MD5

                        dec2be4f1ec3592cea668aa279e7cc9b

                        SHA1

                        327cf8ab0c895e10674e00ea7f437784bb11d718

                        SHA256

                        753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                        SHA512

                        81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                      • \Users\Admin\AppData\Local\Temp\4414c8ae-3c53-42bd-a3e4-cef93075c215.tmp.node

                        Filesize

                        2.7MB

                        MD5

                        e72c7a160113e02f2154990f33eb444b

                        SHA1

                        631daf946d96a54ddb5b55b810e0643c488d2d5c

                        SHA256

                        25597c0ab98fe98ba9de6256e4aa6879a273fe9d475c8616e370d3334ba8b359

                        SHA512

                        3981a2bdf33f6c5cae8d7592aa23ab3f6462c3905b90b5ac5de5e8f7dee90c894c7a30dc227a7a8cce6c9567ad674b6fa839e3ac81cfeece6c71d2ab7e15de3f

                      • \Users\Admin\AppData\Local\Temp\b9eb603d-feaf-4c9b-94c9-a7f41a2d0a47.tmp.node

                        Filesize

                        652KB

                        MD5

                        62e1d2c1e9f2479c3bdb64616b6d47bd

                        SHA1

                        e0bdf6bdfdf2565b55ea4a34b89d98359ea04028

                        SHA256

                        b825114f3e6cacfc4807bba2825fd281930704ea56e977083fb5a48d6bd7e854

                        SHA512

                        6408b8141b37ece131359cb94a3a6d015119099a59473fa7d55cf5cfb1746178c0f40d32772d607ed872ff135f27a40971895a7687f92182a1d40dba9285e07c

                      • memory/3004-5-0x0000000000060000-0x0000000000061000-memory.dmp

                        Filesize

                        4KB

                      • memory/3004-37-0x0000000077210000-0x0000000077211000-memory.dmp

                        Filesize

                        4KB