Analysis

  • max time kernel
    3s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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

  • 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 8 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⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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=1536 --field-trial-handle=1744,i,11795914305520127213,17058501618475977279,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:4708
      • 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=1644 --field-trial-handle=1744,i,11795914305520127213,17058501618475977279,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:3452
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3244
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2296
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3688
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3628
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3804
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4016
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
          2⤵
            PID:4452
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              PID:4364
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
            2⤵
              PID:1380
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
              2⤵
                PID:8
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                2⤵
                  PID:2192
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                  2⤵
                    PID:2216
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                    2⤵
                      PID:1600
                      • C:\Windows\system32\tasklist.exe
                        tasklist
                        3⤵
                        • Enumerates processes with tasklist
                        PID:1612
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3904
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                      2⤵
                        PID:3616
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                        2⤵
                          PID:1888
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                          2⤵
                            PID:3288
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                            2⤵
                              PID:956
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:1736
                            • C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.exe
                              "C:\Users\Admin\AppData\Local\Temp\EpsilonSetup.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\project" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1724 --field-trial-handle=1744,i,11795914305520127213,17058501618475977279,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                              2⤵
                                PID:2956
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3976
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:3156
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              • Suspicious use of AdjustPrivilegeToken
                              PID:4100
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3332
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:1684
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:2852
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:2232
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3156
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:3048
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:3920
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:5084
                            • C:\Windows\system32\tasklist.exe
                              tasklist
                              1⤵
                              • Enumerates processes with tasklist
                              PID:1928

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  0c7fbaba-d589-4a60-b38c-3b277eb4adb2.tmp.node

                                  • Path C:\Users\Admin\AppData\Local\Temp\0c7fbaba-d589-4a60-b38c-3b277eb4adb2.tmp.node
                                  • Size 52KB
                                  • SHA256 ce05c3dcafbd480befb68b28b79a7ef9c8274ac822b530846ac8fbc38136c806
                                  • MD5 SHA1 SHA512 SSDEEP

                                  aa63c6d8-71a4-4eb0-8f18-d21ff87c6c55.tmp.node

                                  • Path C:\Users\Admin\AppData\Local\Temp\aa63c6d8-71a4-4eb0-8f18-d21ff87c6c55.tmp.node
                                  • Size 84KB
                                  • SHA256 cc85f2e51836043eb53a6451efbb129fff29b2d56da9b1afd1a2999f30a6750b
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/2956-64-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-67-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-69-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-68-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-66-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-65-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-63-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-59-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-58-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/2956-57-0x0000021B27DD0000-0x0000021B27DD1000-memory.dmp

                                  memory/4708-46-0x000002B6FA1E0000-0x000002B6FA24B000-memory.dmp

                                  memory/4708-10-0x00007FFB2A940000-0x00007FFB2A941000-memory.dmp