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Analysis

  • max time kernel
    84s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2025, 07:18

General

  • Target

    234720e696e01f3e21f6d0888a906a186ed6bfcc1b416bf5e6b78ba7ebc49474.exe

  • Size

    3.8MB

  • MD5

    52dfbec82ed8b0f36065b6c7dd60db74

  • SHA1

    da386493a3cdee427b90b9d61a32a53a1cf7c097

  • SHA256

    234720e696e01f3e21f6d0888a906a186ed6bfcc1b416bf5e6b78ba7ebc49474

  • SHA512

    077c226c12525c17d178522cb123322fe37067ab7211402fa56f207ad793778dd54a3a6e594811d502fa2fbffee65e7488b7cf3c24936c1e9b7c28d3d2fff225

  • SSDEEP

    98304:ZsLhipLqAerp+/fe6maWwtZ96QWkcsL9ydhhy:gipmHp+/26ma7tZFAdy

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnpp11sb.top/PbeokZpPUOamImAhVrmG11

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\234720e696e01f3e21f6d0888a906a186ed6bfcc1b416bf5e6b78ba7ebc49474.exe
    "C:\Users\Admin\AppData\Local\Temp\234720e696e01f3e21f6d0888a906a186ed6bfcc1b416bf5e6b78ba7ebc49474.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 472
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1132
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\dotNetFx45_Full_setup.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\dotNetFx45_Full_setup.exe"
      2⤵
        PID:8132
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {65B6A6E9-F16E-473B-8FFE-2A17EA9B32EA} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:S4U:
      1⤵
        PID:7976
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
          2⤵
          • Command and Scripting Interpreter: PowerShell
          PID:8008
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAASQBkAC4AZQB4AGUAOwA=
          2⤵
          • Command and Scripting Interpreter: PowerShell
          PID:7948
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {CC079A83-9CC3-4578-9EC2-07DC3DBF643C} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
        1⤵
          PID:3272
          • C:\Users\Admin\AppData\Roaming\Hash\Target.exe
            C:\Users\Admin\AppData\Roaming\Hash\Target.exe
            2⤵
              PID:2636
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                3⤵
                  PID:7944
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                  3⤵
                    PID:3040
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                    3⤵
                      PID:1916
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                      3⤵
                        PID:2428
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                        3⤵
                          PID:7840
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                          3⤵
                            PID:2772
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                            3⤵
                              PID:1308
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                              3⤵
                                PID:8124
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                                3⤵
                                  PID:8104
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                                  3⤵
                                    PID:8144
                                • C:\Users\Admin\AppData\Local\FallbackBuffer\kjjljayzh\Id.exe
                                  C:\Users\Admin\AppData\Local\FallbackBuffer\kjjljayzh\Id.exe
                                  2⤵
                                    PID:3768
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                                      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                                      3⤵
                                        PID:3528

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe

                                    Filesize

                                    628KB

                                    MD5

                                    97febd6bc5eede82b8837cbaa51e57db

                                    SHA1

                                    3b22e23708a0bdd6852127dff3090733c2649c49

                                    SHA256

                                    c86e5b5811ba311a58a6b0e0bcd6346cf770d37a105f3a64823dba88d472f6b8

                                    SHA512

                                    c0fd107f4a9d0ef31f97287bc456f7a746e740164371ba0234883dc3eec7a1145235a95d5205e784a245696a79a71b4e50fc997a4bec9ee5cb90ff5f4ca12cbf

                                  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\dotNetFx45_Full_setup.exe

                                    Filesize

                                    544KB

                                    MD5

                                    1336375cf1aaa4efdad95d0b64ea1aac

                                    SHA1

                                    9be80a505aa2dfcc4db73c8e5264ed5867533e66

                                    SHA256

                                    04d68438f75065f5c2997e80a317b1c6fad78d723af585a64d39138861055ec6

                                    SHA512

                                    12d91fefeb431b60b2501f7868e25dfa04eb42f94bd630b21fef4f3cd6ae5962b6764215da77824e06c53ae8d5d446b322936406396aaa178c71edf24b765f48

                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                                    Filesize

                                    7KB

                                    MD5

                                    7578fc2be917db0238451db4ce78e070

                                    SHA1

                                    da60b0ab72d4da8bcfc8b7944241eff92c1ee589

                                    SHA256

                                    7d30f0aa510a1da684d15e13bb4f4cee8f193083e2f25826e47b70ad9ed63d2a

                                    SHA512

                                    4a5b48ce399001ab335278b510a62989299cfd00a9539068f7775b5569c5c9dbfbf45c472e6b83cf9a25b6d3820c4c16c88ed8ede6d8b21866752a51bd6b8fc1

                                  • \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

                                    Filesize

                                    8.5MB

                                    MD5

                                    f1d1d8dc0494c69f77e03f6b5366a2a4

                                    SHA1

                                    2f20af746b4e69db58c3c0383365ba9da7c6bf26

                                    SHA256

                                    11c9dd0e206ed62d39c85600cda77706e91691b3b6557746a916c0bbe5a60721

                                    SHA512

                                    df0c70cb54faef30891da8fb7c8e9e877adbe004ee2348d780131586113d50e3d8ed2966538a69dcdeb5f14f689fb53f913a0747062241813d3b0ad1a064da04

                                  • memory/1268-20-0x0000000000A00000-0x0000000001288000-memory.dmp

                                    Filesize

                                    8.5MB

                                  • memory/1268-24-0x0000000000A00000-0x0000000001288000-memory.dmp

                                    Filesize

                                    8.5MB

                                  • memory/1268-30-0x0000000000A00000-0x0000000001288000-memory.dmp

                                    Filesize

                                    8.5MB

                                  • memory/2428-75-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-67-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-40-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-55-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-63-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-51-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-49-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-47-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-45-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-95-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-93-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-91-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-90-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-87-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-85-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-83-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-81-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-79-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-77-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-38-0x0000000000B60000-0x0000000000C02000-memory.dmp

                                    Filesize

                                    648KB

                                  • memory/2428-73-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-71-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-69-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-39-0x000000001AF30000-0x000000001B028000-memory.dmp

                                    Filesize

                                    992KB

                                  • memory/2428-66-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-61-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-59-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-57-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-43-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-42-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-53-0x000000001AF30000-0x000000001B024000-memory.dmp

                                    Filesize

                                    976KB

                                  • memory/2428-2645-0x0000000000740000-0x000000000078C000-memory.dmp

                                    Filesize

                                    304KB

                                  • memory/2428-2644-0x00000000006E0000-0x0000000000736000-memory.dmp

                                    Filesize

                                    344KB

                                  • memory/2428-2646-0x0000000002330000-0x0000000002384000-memory.dmp

                                    Filesize

                                    336KB

                                  • memory/2636-4564-0x0000000000140000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    648KB

                                  • memory/2636-7169-0x0000000002390000-0x00000000023E4000-memory.dmp

                                    Filesize

                                    336KB

                                  • memory/3528-9065-0x0000000000400000-0x000000000048E000-memory.dmp

                                    Filesize

                                    568KB

                                  • memory/3768-7172-0x0000000000D40000-0x0000000000DCE000-memory.dmp

                                    Filesize

                                    568KB

                                  • memory/7948-4558-0x0000000000BE0000-0x0000000000BE8000-memory.dmp

                                    Filesize

                                    32KB

                                  • memory/7948-4557-0x000000001A1B0000-0x000000001A492000-memory.dmp

                                    Filesize

                                    2.9MB

                                  • memory/8008-2651-0x000000001A110000-0x000000001A3F2000-memory.dmp

                                    Filesize

                                    2.9MB

                                  • memory/8008-2652-0x0000000000A60000-0x0000000000A68000-memory.dmp

                                    Filesize

                                    32KB

                                  • memory/8132-2669-0x00000000002E0000-0x000000000036E000-memory.dmp

                                    Filesize

                                    568KB

                                  • memory/8132-2670-0x0000000002170000-0x0000000002238000-memory.dmp

                                    Filesize

                                    800KB

                                  • memory/8132-4551-0x0000000001FB0000-0x0000000002006000-memory.dmp

                                    Filesize

                                    344KB