Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2022, 13:00

General

  • Target
    fef98dbe876edbc30efac4dbc9fd9628.exe
  • Size 675KB
  • Sample221114-p8n9esbf84
  • SHA256 a6d7aa58dc232ea5d2ef0b0be86f0cbaed9b7efedc9a6ddc9dfff09b2e52323f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socelars

C2
  • https://hdbywe.s3.us-west-2.amazonaws.com/jsdnjd1105/

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef98dbe876edbc30efac4dbc9fd9628.exe
    "C:\Users\Admin\AppData\Local\Temp\fef98dbe876edbc30efac4dbc9fd9628.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2284
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff895cd4f50,0x7ff895cd4f60,0x7ff895cd4f70
        3⤵
          PID:2008
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1664 /prefetch:2
          3⤵
            PID:3956
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2024 /prefetch:8
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3784
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2312 /prefetch:8
            3⤵
              PID:2580
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2960 /prefetch:1
              3⤵
                PID:1704
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3160 /prefetch:1
                3⤵
                  PID:488
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3604 /prefetch:1
                  3⤵
                    PID:3940
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4024 /prefetch:1
                    3⤵
                      PID:2508
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4876 /prefetch:8
                      3⤵
                        PID:4024
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5260 /prefetch:8
                        3⤵
                          PID:3652
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5088 /prefetch:8
                          3⤵
                            PID:3796
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4900 /prefetch:8
                            3⤵
                              PID:4700
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3804
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5160 /prefetch:8
                              3⤵
                                PID:3872
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5296 /prefetch:8
                                3⤵
                                  PID:4908
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4868 /prefetch:8
                                  3⤵
                                    PID:3036
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5188 /prefetch:1
                                    3⤵
                                      PID:2544
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3840 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:824
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:5108
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5800 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:1388
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5800 /prefetch:8
                                      3⤵
                                        PID:3864
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1624,1212650447592481033,12071763363826411804,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1592 /prefetch:8
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:3872
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:5056

                                    Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          background.html

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\background.html
                                          • Size 786B
                                          • SHA256 a1064146f622fe68b94cd65a0e8f273b583449fbacfd6fd75fec1eaaf2ec8d6e
                                          • MD5 SHA1 SHA512

                                          icon.png

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\icon.png
                                          • Size 6KB
                                          • SHA256 9434dd7008059a60d6d5ced8c8a63ab5cae407e7152da98ca4dda408510f08f5
                                          • MD5 SHA1 SHA512 SSDEEP

                                          aes.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\aes.js
                                          • Size 13KB
                                          • SHA256 fc7e184beeda61bf6427938a84560f52348976bb55e807b224eb53930e97ef6a
                                          • MD5 SHA1 SHA512 SSDEEP

                                          background.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\background.js
                                          • Size 20KB
                                          • SHA256 fc21bb4282cabed3ab9c7e6d8aec583e00f9d7db8d8a1f918a6d1b24f0ea2b3b
                                          • MD5 SHA1 SHA512 SSDEEP

                                          content.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\content.js
                                          • Size 3KB
                                          • SHA256 f3f30c5c271f80b0a3a329b11d8e72eb404d0c0dc9c66fa162ca97ccaa1e963c
                                          • MD5 SHA1 SHA512

                                          jquery-3.3.1.min.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\jquery-3.3.1.min.js
                                          • Size 84KB
                                          • SHA256 160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
                                          • MD5 SHA1 SHA512 SSDEEP

                                          mode-ecb.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\mode-ecb.js
                                          • Size 604B
                                          • SHA256 03164b1ac43853fecdbf988ce900016fb174cf65b03e41c0a9a7bf3a95e8c26a
                                          • MD5 SHA1 SHA512

                                          pad-nopadding.js

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\js\pad-nopadding.js
                                          • Size 268B
                                          • SHA256 282308ebc3702c44129438f8299839ca4d392a0a09fdf0737f08ef1e4aff937d
                                          • MD5 SHA1 SHA512

                                          manifest.json

                                          • Path C:\Program Files\aieoplapobidheellikiicjfpamacpfd\manifest.json
                                          • Size 1KB
                                          • SHA256 66f5620e3bfe4692b14f62baad60e3269327327565ff8b2438e98ce8ed021333
                                          • MD5 SHA1 SHA512

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                          • Size 16KB
                                          • SHA256 e91547635729afce24b069a3c00a1868f62d01e3127e6b45adeef9fb0e7d5283
                                          • MD5 SHA1 SHA512 SSDEEP

                                          memory/2116-133-0x0000000000400000-0x000000000058E000-memory.dmp

                                          memory/2116-132-0x0000000000400000-0x000000000058E000-memory.dmp

                                          memory/2116-136-0x0000000000400000-0x000000000058E000-memory.dmp