Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 10:24

General

  • Target
    Wasper Setup.exe
  • Size 51.9MB
  • Sample240804-mfes6stakj
  • SHA256 5f0637ae587d8dde726b69838ada990c771bf8c2a725e57e2a72c2d2165f0806
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • wasp2

C2
  • http://45.152.112.103

Attributes
  • url_path

    /1cf3aa1810feeb67.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 2 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2592
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2736
    • C:\Users\Admin\AppData\Local\Temp\Wasper Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Wasper Setup.exe"
      1⤵
      • Checks computer location settings
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3236
      • C:\Program Files (x86)\WasperApp\WasperApp.exe
        "C:\Program Files (x86)\WasperApp\WasperApp.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Users\Admin\AppData\Local\Temp\d279a361-108d-4e07-b239-f764501bd0a0\snss1.exe
          "C:\Users\Admin\AppData\Local\Temp\d279a361-108d-4e07-b239-f764501bd0a0\snss1.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2924
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1292
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4388
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\SysWOW64\explorer.exe" & del "C:\ProgramData\*.dll"" & exit
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2688
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 5
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:4960
        • C:\Users\Admin\AppData\Local\Temp\d279a361-108d-4e07-b239-f764501bd0a0\snss2.exe
          "C:\Users\Admin\AppData\Local\Temp\d279a361-108d-4e07-b239-f764501bd0a0\snss2.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:3528
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4344

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Accessibility.dll

          • Path C:\Program Files (x86)\WasperApp\Accessibility.dll
          • Size 20KB
          • SHA256 929ea150ad45b7c7dd5427461fbec44d43b67c08081f59b42b6abf570feae271
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.Win32.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\Microsoft.Win32.Primitives.dll
          • Size 15KB
          • SHA256 f1b40565e5c4c41da810aee5b7d2272a0906e88f796812435aa5ed712bcac40c
          • MD5 SHA1 SHA512 SSDEEP

          System.Collections.Concurrent.dll

          • Path C:\Program Files (x86)\WasperApp\System.Collections.Concurrent.dll
          • Size 270KB
          • SHA256 483130bfd1e57a0cbfd8a4f3c6e2353ac3f246276f9476c83cca1cadbc47ef47
          • MD5 SHA1 SHA512 SSDEEP

          System.Collections.Specialized.dll

          • Path C:\Program Files (x86)\WasperApp\System.Collections.Specialized.dll
          • Size 102KB
          • SHA256 0cbabb81eae22f4c07c6c846054d207ae3f25da15649eb7fa29e4e2cecd24db4
          • MD5 SHA1 SHA512 SSDEEP

          System.Collections.dll

          • Path C:\Program Files (x86)\WasperApp\System.Collections.dll
          • Size 254KB
          • SHA256 9193aaef3ea8f19408f88c25fcaf5880e7836d1c35028d7e4077f6090b083541
          • MD5 SHA1 SHA512 SSDEEP

          System.ComponentModel.EventBasedAsync.dll

          • Path C:\Program Files (x86)\WasperApp\System.ComponentModel.EventBasedAsync.dll
          • Size 46KB
          • SHA256 4c97d7bc0742faaa52ba86018b040aac44ddfc88a5835f9e6a659e03b4558999
          • MD5 SHA1 SHA512 SSDEEP

          System.ComponentModel.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\System.ComponentModel.Primitives.dll
          • Size 78KB
          • SHA256 133ec34432ab8fa4f63ade636193864b6a62a089a0c98d746f5532c8a52f437b
          • MD5 SHA1 SHA512 SSDEEP

          System.ComponentModel.TypeConverter.dll

          • Path C:\Program Files (x86)\WasperApp\System.ComponentModel.TypeConverter.dll
          • Size 726KB
          • SHA256 88129c110d748f7c8ef8a923f68cd26d39e0505b49bf5cc10cbd23b92f1a00a3
          • MD5 SHA1 SHA512 SSDEEP

          System.Diagnostics.FileVersionInfo.dll

          • Path C:\Program Files (x86)\WasperApp\System.Diagnostics.FileVersionInfo.dll
          • Size 46KB
          • SHA256 92ae8401342fd8484e749c65a7726a0f5bff69346ad4e96026bfa063ff567b8b
          • MD5 SHA1 SHA512 SSDEEP

          System.Diagnostics.TraceSource.dll

          • Path C:\Program Files (x86)\WasperApp\System.Diagnostics.TraceSource.dll
          • Size 142KB
          • SHA256 22365ee4e3ba3c991d495e41f92e29bf6ddb38a48c44f55651271b80ee62b6d1
          • MD5 SHA1 SHA512 SSDEEP

          System.Drawing.Common.dll

          • Path C:\Program Files (x86)\WasperApp\System.Drawing.Common.dll
          • Size 1.5MB
          • SHA256 75b1e772a4355145364121af00e5b5cf06c7212aa53d662fdc996bc11e8092a9
          • MD5 SHA1 SHA512 SSDEEP

          System.Drawing.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\System.Drawing.Primitives.dll
          • Size 130KB
          • SHA256 cbe9fbb1d1e4850460854474ffd8c01ddcc756dcb33a86d1674c0cb2e2a0b026
          • MD5 SHA1 SHA512 SSDEEP

          System.IO.FileSystem.dll

          • Path C:\Program Files (x86)\WasperApp\System.IO.FileSystem.dll
          • Size 15KB
          • SHA256 7bd41c6b12b73e6e90476f2d56db8581664abe07e7ab9bf2917bb254ed1d75ad
          • MD5 SHA1 SHA512 SSDEEP

          System.Memory.dll

          • Path C:\Program Files (x86)\WasperApp\System.Memory.dll
          • Size 154KB
          • SHA256 3af25e0c81c1462d0db86f55c4e5fd8c048c70685f9a566d29d499bc46935fb4
          • MD5 SHA1 SHA512 SSDEEP

          System.Numerics.Vectors.dll

          • Path C:\Program Files (x86)\WasperApp\System.Numerics.Vectors.dll
          • Size 15KB
          • SHA256 2466f7df763b191a6b4a536eae1016394d81e175fc53cefe56b8ce27459412af
          • MD5 SHA1 SHA512 SSDEEP

          System.Private.CoreLib.dll

          • Path C:\Program Files (x86)\WasperApp\System.Private.CoreLib.dll
          • Size 12.6MB
          • SHA256 ba7e61a00e7a4634b5c5a79b83126f75580ceec235c613000c3efbc01826cad0
          • MD5 SHA1 SHA512 SSDEEP

          System.Private.Xml.Linq.dll

          • Path C:\Program Files (x86)\WasperApp\System.Private.Xml.Linq.dll
          • Size 394KB
          • SHA256 0b63cebb991d1911a607993ea5b4639f34a2b0b381a73973542db2d3591e9f90
          • MD5 SHA1 SHA512 SSDEEP

          System.Private.Xml.dll

          • Path C:\Program Files (x86)\WasperApp\System.Private.Xml.dll
          • Size 7.6MB
          • SHA256 834e304221e742a831be5c5178892258e689eae35b730172e74161af2785aab9
          • MD5 SHA1 SHA512 SSDEEP

          System.Reflection.Emit.ILGeneration.dll

          • Path C:\Program Files (x86)\WasperApp\System.Reflection.Emit.ILGeneration.dll
          • Size 15KB
          • SHA256 879b6c4221cb2bf24b79abca0709b2919904d8685fff5a69220fe6c2425d4112
          • MD5 SHA1 SHA512 SSDEEP

          System.Reflection.Emit.Lightweight.dll

          • Path C:\Program Files (x86)\WasperApp\System.Reflection.Emit.Lightweight.dll
          • Size 15KB
          • SHA256 0518f171d45803ce07a79b27eb65e5d3277b711d15c8d2fd5964e044167db49f
          • MD5 SHA1 SHA512 SSDEEP

          System.Reflection.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\System.Reflection.Primitives.dll
          • Size 15KB
          • SHA256 d7769658065897653651107e0138f6bb7515932886374ba11833176a931411d7
          • MD5 SHA1 SHA512 SSDEEP

          System.Runtime.InteropServices.dll

          • Path C:\Program Files (x86)\WasperApp\System.Runtime.InteropServices.dll
          • Size 94KB
          • SHA256 756de3f5f2e07b478ac046a0ac976b992ef6bc653a1be2bb1e28524a4ff8d67d
          • MD5 SHA1 SHA512 SSDEEP

          System.Runtime.dll

          • Path C:\Program Files (x86)\WasperApp\System.Runtime.dll
          • Size 42KB
          • SHA256 1fc86ada2ec543a85b8a06a9470a7b5aaa91eb03cfe497a32cd52a1e043ea100
          • MD5 SHA1 SHA512 SSDEEP

          System.Security.Cryptography.Algorithms.dll

          • Path C:\Program Files (x86)\WasperApp\System.Security.Cryptography.Algorithms.dll
          • Size 17KB
          • SHA256 c99c6b384655e1af4ae5161fe9d54d95828ae17b18b884b0a99258f1c45aa388
          • MD5 SHA1 SHA512 SSDEEP

          System.Security.Cryptography.Csp.dll

          • Path C:\Program Files (x86)\WasperApp\System.Security.Cryptography.Csp.dll
          • Size 15KB
          • SHA256 16bc1f72938d96deca5ce031a29a43552385674c83f07e4f91d387f5f01b8d0a
          • MD5 SHA1 SHA512 SSDEEP

          System.Security.Cryptography.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\System.Security.Cryptography.Primitives.dll
          • Size 15KB
          • SHA256 6703e8d35df4b6389f43df88cc35fc3b3823fb3a7f04e5eb540b0af39f5fa622
          • MD5 SHA1 SHA512 SSDEEP

          System.Security.Cryptography.dll

          • Path C:\Program Files (x86)\WasperApp\System.Security.Cryptography.dll
          • Size 2.0MB
          • SHA256 4582f67764410785714a30fa05ffaaad78fe1bc8d4689889a43c2af825b2002e
          • MD5 SHA1 SHA512 SSDEEP

          System.Threading.Thread.dll

          • Path C:\Program Files (x86)\WasperApp\System.Threading.Thread.dll
          • Size 15KB
          • SHA256 84c9a95609878542f00fe7da658f62d1a6943a43e6346af80d26bcff069a4dbd
          • MD5 SHA1 SHA512 SSDEEP

          System.Threading.dll

          • Path C:\Program Files (x86)\WasperApp\System.Threading.dll
          • Size 82KB
          • SHA256 e8d1f5c422ee0ba3b235b22028ab92dc77c1ff9774edc0b940cad7224a30ba7d
          • MD5 SHA1 SHA512 SSDEEP

          System.Windows.Forms.Primitives.dll

          • Path C:\Program Files (x86)\WasperApp\System.Windows.Forms.Primitives.dll
          • Size 2.9MB
          • SHA256 5794a3996a0b4ab9cb13f3de0f87d50462615a7d0eb1d243d9324a682c1b58cb
          • MD5 SHA1 SHA512 SSDEEP

          System.Windows.Forms.dll

          • Path C:\Program Files (x86)\WasperApp\System.Windows.Forms.dll
          • Size 12.9MB
          • SHA256 efc52dbbef5202d9ff424d7adc6e2249b66450a5fd5414891776fc617b00123e
          • MD5 SHA1 SHA512 SSDEEP

          WasperApp.dll

          • Path C:\Program Files (x86)\WasperApp\WasperApp.dll
          • Size 670KB
          • SHA256 7386bd96f63e5f3575a1a176b899b49429e74010e17a2005a8117095735352d3
          • MD5 SHA1 SHA512 SSDEEP

          WasperApp.exe

          • Path C:\Program Files (x86)\WasperApp\WasperApp.exe
          • Size 305KB
          • SHA256 dbb99b36387720cd0b997359da33ecdaab55cb68cf9643b34d9d6bc136a3805b
          • MD5 SHA1 SHA512 SSDEEP

          clrjit.dll

          • Path C:\Program Files (x86)\WasperApp\clrjit.dll
          • Size 1.7MB
          • SHA256 0759c8129bc761fe039e1cacb92c643606591cb8149a2ed33ee16babc9768dcb
          • MD5 SHA1 SHA512 SSDEEP

          coreclr.dll

          • Path C:\Program Files (x86)\WasperApp\coreclr.dll
          • Size 4.8MB
          • SHA256 871949a2ec19c183ccdacdea54c7b3e43c590eaf445e1b58817ee1cb3ce366d5
          • MD5 SHA1 SHA512 SSDEEP

          hostfxr.dll

          • Path C:\Program Files (x86)\WasperApp\hostfxr.dll
          • Size 342KB
          • SHA256 5aa15c6119b971742a7f824609739198a3c7c499370ed8b8df5a5942f69d9303
          • MD5 SHA1 SHA512 SSDEEP

          hostpolicy.dll

          • Path C:\Program Files (x86)\WasperApp\hostpolicy.dll
          • Size 388KB
          • SHA256 02c8dbe7bf1999352fc561cb35b51c6a88c881a4223c478c91768fdaf8e47b62
          • MD5 SHA1 SHA512 SSDEEP

          mscorrc.dll

          • Path C:\Program Files (x86)\WasperApp\mscorrc.dll
          • Size 133KB
          • SHA256 23a433398be5135222ee14bb1de6334e7b22bad1a38664a83f1cf19dfbddd960
          • MD5 SHA1 SHA512 SSDEEP

          memory/1292-1005-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/1292-1006-0x0000000073960000-0x0000000073ADB000-memory.dmp

          memory/2736-1100-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/2736-1102-0x00000000767C0000-0x00000000769D5000-memory.dmp

          memory/2736-1099-0x00000000020C0000-0x00000000024C0000-memory.dmp

          memory/2736-1096-0x00000000001C0000-0x00000000001C9000-memory.dmp

          memory/2768-1081-0x0000000073B50000-0x0000000073CCB000-memory.dmp

          memory/2768-1080-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/2768-1078-0x0000000000DA0000-0x000000000159C000-memory.dmp

          memory/2768-1079-0x0000000073B50000-0x0000000073CCB000-memory.dmp

          memory/2924-999-0x0000000000400000-0x0000000000582000-memory.dmp

          memory/2924-1000-0x0000000073960000-0x0000000073ADB000-memory.dmp

          memory/2924-1001-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/2924-1002-0x0000000073960000-0x0000000073ADB000-memory.dmp

          memory/3528-1085-0x0000000073B50000-0x0000000073CCB000-memory.dmp

          memory/3528-1084-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/4344-1091-0x00000000047E0000-0x0000000004BE0000-memory.dmp

          memory/4344-1087-0x0000000000980000-0x00000000009FF000-memory.dmp

          memory/4344-1088-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/4344-1089-0x0000000000980000-0x00000000009FF000-memory.dmp

          memory/4344-1092-0x00000000047E0000-0x0000000004BE0000-memory.dmp

          memory/4344-1095-0x00000000767C0000-0x00000000769D5000-memory.dmp

          memory/4344-1097-0x0000000000980000-0x00000000009FF000-memory.dmp

          memory/4388-1009-0x00007FFCC7B70000-0x00007FFCC7D65000-memory.dmp

          memory/4388-1008-0x0000000000660000-0x00000000008A5000-memory.dmp

          memory/4388-1076-0x0000000000660000-0x00000000008A5000-memory.dmp

          memory/4388-1055-0x0000000000660000-0x00000000008A5000-memory.dmp

          memory/4388-1013-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          memory/4388-1010-0x0000000000660000-0x00000000008A5000-memory.dmp