Analysis

  • max time kernel
    162s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    10/03/2022, 14:11

General

  • Target
    5fddb20bbf8efd5cf90567661d39ef567733275a694bac7afdc07f4f03ba4865.exe
  • Size 3.3MB
  • Sample220310-rhg4jaagdn
  • SHA256 5fddb20bbf8efd5cf90567661d39ef567733275a694bac7afdc07f4f03ba4865
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • socelars

C2
  • http://www.iyiqian.com/

  • http://www.xxhufdc.top/

  • http://www.uefhkice.xyz/

  • http://www.wygexde.xyz/

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://khaleelahmed.com/upload/

  • http://twvickiassociation.com/upload/

  • http://www20833.com/upload/

  • http://cocinasintonterias.com/upload/

  • http://masaofukunaga.com/upload/

  • http://gnckids.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • VR

C2
  • 199.195.251.96:43073

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

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

  • Socelars Payload 2 IoCs
  • Executes dropped EXE 10 IoCs
  • UPX packed file 4 IoCs

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

  • Checks computer location settings 2 TTPs 3 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fddb20bbf8efd5cf90567661d39ef567733275a694bac7afdc07f4f03ba4865.exe
    "C:\Users\Admin\AppData\Local\Temp\5fddb20bbf8efd5cf90567661d39ef567733275a694bac7afdc07f4f03ba4865.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Users\Admin\AppData\Local\Temp\agdsk.exe
      "C:\Users\Admin\AppData\Local\Temp\agdsk.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill /f /im chrome.exe
        3⤵
          PID:1856
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im chrome.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2280
      • C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe
        "C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe"
        2⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of AdjustPrivilegeToken
        PID:2492
      • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
        "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3728
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://iplogger.org/1wNij7
        2⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3920
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffa43e946f8,0x7ffa43e94708,0x7ffa43e94718
          3⤵
            PID:3464
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2752 /prefetch:2
            3⤵
              PID:2828
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2972 /prefetch:3
              3⤵
                PID:832
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3232 /prefetch:8
                3⤵
                  PID:880
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3864 /prefetch:1
                  3⤵
                    PID:2924
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3876 /prefetch:1
                    3⤵
                      PID:3724
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5260 /prefetch:8
                      3⤵
                        PID:1948
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2064 /prefetch:1
                        3⤵
                          PID:3472
                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6016 /prefetch:8
                          3⤵
                            PID:3712
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6016 /prefetch:8
                            3⤵
                              PID:3804
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              3⤵
                              • Drops file in Program Files directory
                              PID:1952
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff71bbb5460,0x7ff71bbb5470,0x7ff71bbb5480
                                4⤵
                                  PID:1252
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,3390563361285760008,17960926783640606776,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5584 /prefetch:1
                                3⤵
                                  PID:2188
                              • C:\Users\Admin\AppData\Local\Temp\wf-game.exe
                                "C:\Users\Admin\AppData\Local\Temp\wf-game.exe"
                                2⤵
                                • Executes dropped EXE
                                • Checks computer location settings
                                • Suspicious use of SetWindowsHookEx
                                • Suspicious use of WriteProcessMemory
                                PID:1652
                                • C:\Windows\SysWOW64\rundll32.exe
                                  "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\install.dll",install
                                  3⤵
                                  • Loads dropped DLL
                                  PID:3976
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 600
                                    4⤵
                                    • Program crash
                                    PID:3492
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 600
                                    4⤵
                                    • Program crash
                                    PID:3856
                              • C:\Users\Admin\AppData\Local\Temp\Files.exe
                                "C:\Users\Admin\AppData\Local\Temp\Files.exe"
                                2⤵
                                • Executes dropped EXE
                                • Checks computer location settings
                                • Suspicious use of WriteProcessMemory
                                PID:3080
                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe
                                  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe"
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetThreadContext
                                  PID:3448
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                    4⤵
                                      PID:3444
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://iplogger.org/1jF6h7
                                    3⤵
                                      PID:2224
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa43e946f8,0x7ffa43e94708,0x7ffa43e94718
                                        4⤵
                                          PID:2976
                                    • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
                                      "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      • Adds Run key to start application
                                      • Suspicious use of WriteProcessMemory
                                      PID:2024
                                      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                        3⤵
                                        • Executes dropped EXE
                                        PID:2232
                                      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                        3⤵
                                        • Executes dropped EXE
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:3472
                                    • C:\Users\Admin\AppData\Local\Temp\pub2.exe
                                      "C:\Users\Admin\AppData\Local\Temp\pub2.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • Checks SCSI registry key(s)
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious behavior: MapViewOfSection
                                      PID:3052
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3976 -ip 3976
                                    1⤵
                                      PID:2952
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:1380

                                      Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            memory/2460-189-0x0000000000C40000-0x0000000000C56000-memory.dmp

                                            memory/2492-198-0x0000000004630000-0x0000000004638000-memory.dmp

                                            memory/2492-197-0x0000000004600000-0x0000000004608000-memory.dmp

                                            memory/2492-187-0x00000000041A0000-0x00000000041A8000-memory.dmp

                                            memory/2492-205-0x00000000041A0000-0x00000000041A8000-memory.dmp

                                            memory/2492-190-0x0000000004600000-0x0000000004608000-memory.dmp

                                            memory/2492-183-0x0000000004180000-0x0000000004188000-memory.dmp

                                            memory/2492-164-0x0000000003540000-0x0000000003550000-memory.dmp

                                            memory/2492-171-0x00000000036A0000-0x00000000036B0000-memory.dmp

                                            memory/2492-203-0x00000000041A0000-0x00000000041A8000-memory.dmp

                                            memory/2828-184-0x00007FFA4BAA0000-0x00007FFA4BAA1000-memory.dmp

                                            memory/3052-177-0x0000000000990000-0x0000000000999000-memory.dmp

                                            memory/3052-178-0x0000000000400000-0x000000000083E000-memory.dmp

                                            memory/3052-160-0x00000000009ED000-0x00000000009F6000-memory.dmp

                                            memory/3052-170-0x00000000009ED000-0x00000000009F6000-memory.dmp

                                            memory/3444-305-0x0000000000400000-0x000000000041C000-memory.dmp

                                            memory/3444-308-0x0000000071300000-0x0000000071AB0000-memory.dmp

                                            memory/3444-324-0x0000000005020000-0x0000000005638000-memory.dmp

                                            memory/3444-323-0x00000000050D0000-0x000000000510C000-memory.dmp

                                            memory/3444-321-0x0000000005070000-0x0000000005082000-memory.dmp

                                            memory/3444-317-0x0000000005640000-0x0000000005C58000-memory.dmp

                                            memory/3448-304-0x0000000006350000-0x000000000687C000-memory.dmp

                                            memory/3448-249-0x00000000055C0000-0x0000000005B64000-memory.dmp

                                            memory/3448-223-0x00000000005D0000-0x0000000000648000-memory.dmp

                                            memory/3448-293-0x00000000052D0000-0x00000000052DA000-memory.dmp

                                            memory/3448-204-0x0000000071300000-0x0000000071AB0000-memory.dmp

                                            memory/3448-292-0x0000000005010000-0x00000000055B4000-memory.dmp

                                            memory/3448-252-0x0000000005010000-0x00000000050A2000-memory.dmp

                                            memory/3728-140-0x000000001CAF0000-0x000000001CAF2000-memory.dmp

                                            memory/3728-139-0x00007FFA2C4F0000-0x00007FFA2CFB1000-memory.dmp

                                            memory/3728-138-0x0000000000840000-0x0000000000860000-memory.dmp