Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-06-2024 20:55

General

  • Target

    Charow.exe

  • Size

    140.1MB

  • MD5

    635241963c80f1b340c65dfd306f554e

  • SHA1

    859bab3fbcc146b573f20d9a42104fa15cd1a1f8

  • SHA256

    50136550410d93d341dc6fadc1e895c8d661f46c11f4dae4aabcd9c553399f3b

  • SHA512

    56ddb69e1d6f0d4309911c1549c45a11f7b6afda4529e266d8ea3620041742f381edb6e5acac031cf1cdd57b1c7b5c2877751bd3e5d19bd357ecfef7b829b70d

  • SSDEEP

    1572864:42Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:/aodJFek8+k

Score
10/10

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • 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.

  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 3 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\Charow.exe
    "C:\Users\Admin\AppData\Local\Temp\Charow.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\Charow.exe
      "C:\Users\Admin\AppData\Local\Temp\Charow.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\Charow" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1580 --field-trial-handle=1768,i,3305869877449021516,13481162963320054740,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:3728
      • C:\Users\Admin\AppData\Local\Temp\Charow.exe
        "C:\Users\Admin\AppData\Local\Temp\Charow.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Charow" --mojo-platform-channel-handle=2056 --field-trial-handle=1768,i,3305869877449021516,13481162963320054740,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:868
        • C:\Users\Admin\AppData\Local\Temp\Charow.exe
          "C:\Users\Admin\AppData\Local\Temp\Charow.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Charow" --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=2376 --field-trial-handle=1768,i,3305869877449021516,13481162963320054740,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
            PID:2980
          • 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:4764
              • C:\Windows\system32\reg.exe
                C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                3⤵
                  PID:1896
              • 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:568
                  • C:\Windows\system32\reg.exe
                    C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                    3⤵
                      PID:1468
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                    2⤵
                      PID:2760
                      • C:\Windows\system32\tasklist.exe
                        tasklist
                        3⤵
                        • Enumerates processes with tasklist
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2436
                    • 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:4868
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                          3⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:4776
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                        2⤵
                          PID:2776
                          • C:\Windows\System32\Wbem\WMIC.exe
                            wmic path win32_VideoController get name
                            3⤵
                            • Detects videocard installed
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1272
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                          2⤵
                            PID:3476
                            • C:\Windows\system32\cmd.exe
                              cmd /c chcp 65001
                              3⤵
                                PID:3292
                                • C:\Windows\system32\chcp.com
                                  chcp 65001
                                  4⤵
                                    PID:4612
                                • C:\Windows\system32\netsh.exe
                                  netsh wlan show profiles
                                  3⤵
                                    PID:1444
                                • C:\Users\Admin\AppData\Local\Temp\Charow.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Charow.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=10.0.22000.1 --user-data-dir="C:\Users\Admin\AppData\Roaming\Charow" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1012 --field-trial-handle=1768,i,3305869877449021516,13481162963320054740,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4504

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\ae025244-210b-4446-8ab0-b43a7d828da5.tmp.node

                                Filesize

                                642KB

                                MD5

                                7e83729e3fb724a15e69e85660dca443

                                SHA1

                                1d35585d2813c6e051840edcb17da5223877597b

                                SHA256

                                8409ee5a2cb80c310128e62221d17a19e9f562ba808a96995e8892295dadeef4

                                SHA512

                                befb0cd52308d54ff5b6fb43e629de02ec05054b6b4e594f904486d8c97f65a39d30415373f635f71de61f4d43b77428a74288f92c79b36f54dce179841cbafb

                              • C:\Users\Admin\AppData\Local\Temp\cbba281f-e3d3-4546-9a66-eeccfea8e0f1.tmp.node

                                Filesize

                                2.6MB

                                MD5

                                083fd9f2e3e93e1f2c599a2b609c9e5e

                                SHA1

                                6db2b6ce3e60d828ca32a6000c270c09224f3139

                                SHA256

                                5800c926c34c7ef38a45840c30e8855c1b3a6ec1ec8f37ffc6ce2d402728eabd

                                SHA512

                                08206b13d7e91f36d65de545b483d5fa446c2a1d8baab4c2fb19aa711af10cbfd98da3811d34a16033b5c09eb297fdcfaf09a186b4dcf69e84bb4dfcc11d96b2

                              • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Antivirus.txt

                                Filesize

                                231B

                                MD5

                                dec2be4f1ec3592cea668aa279e7cc9b

                                SHA1

                                327cf8ab0c895e10674e00ea7f437784bb11d718

                                SHA256

                                753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                                SHA512

                                81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                              • 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\Cookies\Google Chrome_Default.txt

                                Filesize

                                216B

                                MD5

                                17df5831a5188df6a14687085687d016

                                SHA1

                                53e402aa40fe51cccad340163701e6285d301a0e

                                SHA256

                                08c13b3d35f7c6cda2264f21e7d52dcd9500a2a88c8c7dd460903a6d8df189e8

                                SHA512

                                c0e2766f454d3bffc8aab16fc9fcdb54ce8204adfd4bd1b6611a1475d76dd32bbd9bf6c14896e4d7363d115628114074e9376045c7efa42ec6b6713398053271

                              • C:\Users\Admin\AppData\Roaming\Charow\Network\Network Persistent State

                                Filesize

                                296B

                                MD5

                                a122bc9cc0696c75759bea3ea96efe72

                                SHA1

                                fee3b45daa943e2732c449a6726df49b5b21c1b3

                                SHA256

                                ae0dc970de6c56bfbe1ee90c7552fdbddfa52a04e3a24fc22e315cd02925ccdb

                                SHA512

                                435b29fb513ae02b93a103c03d4f2fbe5a28e28a2f0e3ab75bae64283e1cb2bb3942e1a414a8f3683afc51f70ff4edd4638a807cfdc45b25ee36c06a8ebcdb5c

                              • C:\Users\Admin\AppData\Roaming\Charow\Network\Network Persistent State~RFe587b46.TMP

                                Filesize

                                59B

                                MD5

                                2800881c775077e1c4b6e06bf4676de4

                                SHA1

                                2873631068c8b3b9495638c865915be822442c8b

                                SHA256

                                226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                                SHA512

                                e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

                              • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                                Filesize

                                2B

                                MD5

                                f3b25701fe362ec84616a93a45ce9998

                                SHA1

                                d62636d8caec13f04e28442a0a6fa1afeb024bbb

                                SHA256

                                b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                                SHA512

                                98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                              • memory/2980-25-0x00007FFA34B20000-0x00007FFA34B21000-memory.dmp

                                Filesize

                                4KB

                              • memory/2980-26-0x00007FFA338A0000-0x00007FFA338A1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3728-6-0x00007FFA34B10000-0x00007FFA34B11000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-138-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-139-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-137-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-149-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-148-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-146-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-145-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-144-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-143-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4504-147-0x000001D1C54F0000-0x000001D1C54F1000-memory.dmp

                                Filesize

                                4KB