Analysis

  • max time kernel
    135s
  • max time network
    207s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 12:57

General

  • Target
    EpsilonSetup.exe
  • Size 147.0MB
  • Sample240119-p6yebaedel
  • SHA256 cf43804749edd21997f8bc987a0b90188a43bcd5b561572593f09d2647918a43
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • 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.

  • Enumerates processes with tasklist 1 TTPs 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\system32\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3000
    • C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\project" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=996 --field-trial-handle=1176,i,1174173331916766207,9213965466236511891,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:3012
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2336
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:1252
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:1272
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
        2⤵
          PID:2084
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2016
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
            PID:2556
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2288
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
            2⤵
              PID:1500
              • C:\Windows\system32\tasklist.exe
                tasklist
                3⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:2376
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
              2⤵
                PID:552
                • C:\Windows\system32\tasklist.exe
                  tasklist
                  3⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2356
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                2⤵
                  PID:1540
                  • C:\Windows\system32\tasklist.exe
                    tasklist
                    3⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1060
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                  2⤵
                    PID:1996
                    • C:\Windows\system32\tasklist.exe
                      tasklist
                      3⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1968
                  • C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe
                    "C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\project" --mojo-platform-channel-handle=1476 --field-trial-handle=1176,i,1174173331916766207,9213965466236511891,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
                    2⤵
                      PID:1924
                    • C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe
                      "C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\project" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1076 --field-trial-handle=1176,i,1174173331916766207,9213965466236511891,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                      2⤵
                        PID:1088
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                        2⤵
                          PID:868
                          • C:\Windows\system32\tasklist.exe
                            tasklist
                            3⤵
                            • Enumerates processes with tasklist
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1740
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                          2⤵
                            PID:2132
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              3⤵
                              • Enumerates processes with tasklist
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2172
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                            2⤵
                              PID:2844
                              • C:\Windows\system32\tasklist.exe
                                tasklist
                                3⤵
                                • Enumerates processes with tasklist
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2740
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                              2⤵
                                PID:2516
                                • C:\Windows\system32\tasklist.exe
                                  tasklist
                                  3⤵
                                  • Enumerates processes with tasklist
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1592
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                                2⤵
                                  PID:3048
                                  • C:\Windows\system32\tasklist.exe
                                    tasklist
                                    3⤵
                                    • Enumerates processes with tasklist
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1752
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                                  2⤵
                                    PID:2088
                                    • C:\Windows\system32\tasklist.exe
                                      tasklist
                                      3⤵
                                      • Enumerates processes with tasklist
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:1676

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      30b79938-c451-435b-910d-ddb6c9ce061c.tmp.node

                                      • Path \Users\Admin\AppData\Local\Temp\30b79938-c451-435b-910d-ddb6c9ce061c.tmp.node
                                      • Size 1.8MB
                                      • SHA256 ec41fc2fee2abcbf0559965501f54aae47cff24a87204fd3a85d86c7d53d53c7
                                      • MD5 SHA1 SHA512 SSDEEP

                                      6f6e4265-29f3-4523-9d77-d797197dddfa.tmp.node

                                      • Path \Users\Admin\AppData\Local\Temp\6f6e4265-29f3-4523-9d77-d797197dddfa.tmp.node
                                      • Size 135KB
                                      • SHA256 e59e21b84b2a6200c3789157d5f14407ea4dfe880bb2113666d10e98ceb3ee8f
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/3012-9-0x0000000000060000-0x0000000000061000-memory.dmp

                                      memory/3012-40-0x00000000771D0000-0x00000000771D1000-memory.dmp