Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20-07-2021 04:02

General

  • Target

    88A990A868EADA802839185B6F05C541.exe

  • Size

    3.2MB

  • MD5

    88a990a868eada802839185b6f05c541

  • SHA1

    499be12d4fe4f30e672601b1ccbfc4f014a8bca8

  • SHA256

    474a473bf46fdbfb5a9344937674c1455d764e74c2cd8892da7d59f68ffadd5c

  • SHA512

    7bd11e52a079da6584669707617a433a9f233a7300057d4751872ab202dc665b9c8429df7a641951ef04f51af74fe09e5ac6be49aa7fe2aedb235409e0243cad

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Socelars

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

  • Socelars Payload 5 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 20 IoCs
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • autoit_exe 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 38 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Modifies registry class 16 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • NTFS ADS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:876
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:2412
    • C:\Users\Admin\AppData\Local\Temp\88A990A868EADA802839185B6F05C541.exe
      "C:\Users\Admin\AppData\Local\Temp\88A990A868EADA802839185B6F05C541.exe"
      1⤵
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Users\Admin\AppData\Local\Temp\Files.exe
        "C:\Users\Admin\AppData\Local\Temp\Files.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe"
          3⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:324
      • C:\Users\Admin\AppData\Local\Temp\Folder.exe
        "C:\Users\Admin\AppData\Local\Temp\Folder.exe"
        2⤵
          PID:1688
          • C:\Users\Admin\AppData\Local\Temp\Folder.exe
            "C:\Users\Admin\AppData\Local\Temp\Folder.exe" -a
            3⤵
            • Executes dropped EXE
            PID:1988
        • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
          "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
          2⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:1968
        • C:\Users\Admin\AppData\Local\Temp\Info.exe
          "C:\Users\Admin\AppData\Local\Temp\Info.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:952
          • C:\Users\Admin\Documents\1pFn33N6vmlks5gmvch53zS_.exe
            "C:\Users\Admin\Documents\1pFn33N6vmlks5gmvch53zS_.exe"
            3⤵
            • Executes dropped EXE
            PID:2060
          • C:\Users\Admin\Documents\cUgY66XGBg4sBlJvuAUZlr2q.exe
            "C:\Users\Admin\Documents\cUgY66XGBg4sBlJvuAUZlr2q.exe"
            3⤵
            • Executes dropped EXE
            PID:268
          • C:\Users\Admin\Documents\DAl1BNT5OOoomtYTI9z42Cxz.exe
            "C:\Users\Admin\Documents\DAl1BNT5OOoomtYTI9z42Cxz.exe"
            3⤵
            • Executes dropped EXE
            PID:1640
          • C:\Users\Admin\Documents\VOUX2uWspVONZJBoW7MhpbpA.exe
            "C:\Users\Admin\Documents\VOUX2uWspVONZJBoW7MhpbpA.exe"
            3⤵
            • Executes dropped EXE
            PID:968
          • C:\Users\Admin\Documents\uP5YwSE4xMIsIlFOQ09GdkoI.exe
            "C:\Users\Admin\Documents\uP5YwSE4xMIsIlFOQ09GdkoI.exe"
            3⤵
              PID:2164
            • C:\Users\Admin\Documents\7bct2G5hn3Rlff5ZK7lZcFVs.exe
              "C:\Users\Admin\Documents\7bct2G5hn3Rlff5ZK7lZcFVs.exe"
              3⤵
              • Executes dropped EXE
              PID:1224
            • C:\Users\Admin\Documents\_PK_23VEhcBrPBzF4Z3cVEzT.exe
              "C:\Users\Admin\Documents\_PK_23VEhcBrPBzF4Z3cVEzT.exe"
              3⤵
                PID:2160
              • C:\Users\Admin\Documents\LZVCrrAIkA2VMIMExp8NseRv.exe
                "C:\Users\Admin\Documents\LZVCrrAIkA2VMIMExp8NseRv.exe"
                3⤵
                • Executes dropped EXE
                PID:768
              • C:\Users\Admin\Documents\zJC0y3OTg8bH7jIr95Atonkk.exe
                "C:\Users\Admin\Documents\zJC0y3OTg8bH7jIr95Atonkk.exe"
                3⤵
                  PID:2144
                • C:\Users\Admin\Documents\1z1Cz1GFXgMs_XOmoyqcHS23.exe
                  "C:\Users\Admin\Documents\1z1Cz1GFXgMs_XOmoyqcHS23.exe"
                  3⤵
                  • Executes dropped EXE
                  PID:2076
                • C:\Users\Admin\Documents\fLoV3muUhg5ip3DHeNJu67h5.exe
                  "C:\Users\Admin\Documents\fLoV3muUhg5ip3DHeNJu67h5.exe"
                  3⤵
                  • Executes dropped EXE
                  PID:2568
                • C:\Users\Admin\Documents\ybALzGsubZ1hL5BMhNdWaCvQ.exe
                  "C:\Users\Admin\Documents\ybALzGsubZ1hL5BMhNdWaCvQ.exe"
                  3⤵
                  • Executes dropped EXE
                  PID:2520
                • C:\Users\Admin\Documents\vYThTVi9zXysEKNPiP1EI_yx.exe
                  "C:\Users\Admin\Documents\vYThTVi9zXysEKNPiP1EI_yx.exe"
                  3⤵
                    PID:2512
                  • C:\Users\Admin\Documents\geuTRQhFlfSGZjfGo4IR7pZF.exe
                    "C:\Users\Admin\Documents\geuTRQhFlfSGZjfGo4IR7pZF.exe"
                    3⤵
                    • Executes dropped EXE
                    PID:2188
                    • C:\Users\Admin\Documents\geuTRQhFlfSGZjfGo4IR7pZF.exe
                      C:\Users\Admin\Documents\geuTRQhFlfSGZjfGo4IR7pZF.exe
                      4⤵
                        PID:2320
                    • C:\Users\Admin\Documents\63ilIiR5b2qPbCwMkIIg1QwC.exe
                      "C:\Users\Admin\Documents\63ilIiR5b2qPbCwMkIIg1QwC.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:1676
                  • C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe
                    "C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe"
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of WriteProcessMemory
                    PID:1688
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 176
                      3⤵
                      • Loads dropped DLL
                      • Program crash
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2120
                  • C:\Users\Admin\AppData\Local\Temp\Install.exe
                    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
                    2⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:2064
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /c taskkill /f /im chrome.exe
                      3⤵
                        PID:2600
                        • C:\Windows\SysWOW64\taskkill.exe
                          taskkill /f /im chrome.exe
                          4⤵
                          • Kills process with taskkill
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2628
                    • 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:2136
                  • C:\Program Files\Internet Explorer\iexplore.exe
                    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                    1⤵
                    • Modifies Internet Explorer settings
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    PID:992
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:992 CREDAT:275457 /prefetch:2
                      2⤵
                      • Modifies Internet Explorer settings
                      • NTFS ADS
                      • Suspicious use of SetWindowsHookEx
                      PID:1708
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:992 CREDAT:865286 /prefetch:2
                      2⤵
                      • Modifies Internet Explorer settings
                      • NTFS ADS
                      • Suspicious use of SetWindowsHookEx
                      PID:2744
                  • C:\Windows\system32\rUNdlL32.eXe
                    rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                    1⤵
                    • Process spawned unexpected child process
                    • Suspicious use of WriteProcessMemory
                    PID:2256
                    • C:\Windows\SysWOW64\rundll32.exe
                      rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                      2⤵
                      • Loads dropped DLL
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:2300

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • memory/268-172-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/768-173-0x0000000000050000-0x0000000000051000-memory.dmp

                    Filesize

                    4KB

                  • memory/968-176-0x0000000000C60000-0x0000000000C61000-memory.dmp

                    Filesize

                    4KB

                  • memory/1608-60-0x0000000075801000-0x0000000075803000-memory.dmp

                    Filesize

                    8KB

                  • memory/1608-79-0x0000000003610000-0x0000000003612000-memory.dmp

                    Filesize

                    8KB

                  • memory/1688-120-0x0000000000400000-0x00000000005DB000-memory.dmp

                    Filesize

                    1.9MB

                  • memory/1708-78-0x0000000000C10000-0x0000000000C12000-memory.dmp

                    Filesize

                    8KB

                  • memory/1968-115-0x0000000000440000-0x000000000045D000-memory.dmp

                    Filesize

                    116KB

                  • memory/1968-96-0x0000000000300000-0x0000000000301000-memory.dmp

                    Filesize

                    4KB

                  • memory/1968-105-0x00000000002C0000-0x00000000002C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1968-119-0x00000000002D0000-0x00000000002D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1968-135-0x000000001AFA0000-0x000000001AFA2000-memory.dmp

                    Filesize

                    8KB

                  • memory/2060-174-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2188-189-0x0000000000310000-0x0000000000311000-memory.dmp

                    Filesize

                    4KB

                  • memory/2412-175-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

                    Filesize

                    8KB