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Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2025, 23:18

General

  • Target

    7183539154ffe5530e1bb32e7d166f8190411eb1656a0b1e562cfd96d40d748a.exe

  • Size

    3.2MB

  • MD5

    cd34a1a803a778d0b6f7524a7175facb

  • SHA1

    82c802f468c0acd8cfde56ad601e4359e1607d65

  • SHA256

    7183539154ffe5530e1bb32e7d166f8190411eb1656a0b1e562cfd96d40d748a

  • SHA512

    ca865037abe2c30b0cae4be544ed247148069e9450be9813f85423d625791885e2a62820f9f0391c4580fb89ca179b15a13e689a84fc6bc83df0a0c8b7b4835b

  • SSDEEP

    49152:ZsvnQtzPIM6eHVGJqvosvKp+sU0OlVaDkZMqSGHBIHEZf9XHNPYROzgFMpl:ZsezPpb1ngsv++rTnVZMqSGaof932Rql

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

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

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 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).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7183539154ffe5530e1bb32e7d166f8190411eb1656a0b1e562cfd96d40d748a.exe
    "C:\Users\Admin\AppData\Local\Temp\7183539154ffe5530e1bb32e7d166f8190411eb1656a0b1e562cfd96d40d748a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Executes dropped EXE
      PID:2964
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:7604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    628KB

    MD5

    51c3f33163cb118d7cd1506648d8ea69

    SHA1

    2f37ac854cea300577e6de102e1c699a87f2178d

    SHA256

    92a5600741e66bba6153e2b536781416080e5338d703c2de8deb13ee4788dad8

    SHA512

    4816cd986a5f423ebdabb11230437f12394433e69c0bda9e99a0028fcf04ff68db10941ffcca7a6db24e850f3f55b0e81c4df9edc2ba31d204d5925c8a636a3f

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

    Filesize

    6.9MB

    MD5

    b42becf3d958994cc69b5f9914201451

    SHA1

    d35399e54df78949f3aec572182b404b3d81c223

    SHA256

    e56a7544513f82d2c1c6d8770ce9a6357bacb06d39b63034a597c76a752d7ba7

    SHA512

    c37310f0c55776eba00a7e0d99d8958c47e1579c8c225d4c3fa726eaaf9b123159be1537e087b9d297735f92c600d7a38ba5dbd175407f6246ae6ddfabcd2d3b

  • memory/2964-55-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-63-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-13-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

    Filesize

    9.9MB

  • memory/2964-19-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-17-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-15-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-14-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-77-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-75-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-73-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-71-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-69-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-67-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-65-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-53-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-61-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-59-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-57-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-12-0x000000001B610000-0x000000001B708000-memory.dmp

    Filesize

    992KB

  • memory/2964-11-0x00000000002E0000-0x0000000000382000-memory.dmp

    Filesize

    648KB

  • memory/2964-41-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-49-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-47-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-45-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-43-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-51-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-39-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-37-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-35-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-33-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-31-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-29-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-27-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-25-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-23-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-21-0x000000001B610000-0x000000001B704000-memory.dmp

    Filesize

    976KB

  • memory/2964-2616-0x0000000000280000-0x00000000002D6000-memory.dmp

    Filesize

    344KB

  • memory/2964-2617-0x00000000008B0000-0x00000000008FC000-memory.dmp

    Filesize

    304KB

  • memory/2964-2618-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

    Filesize

    9.9MB

  • memory/2964-10-0x000007FEF5213000-0x000007FEF5214000-memory.dmp

    Filesize

    4KB