Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 12:27

General

  • Target

    144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372.exe

  • Size

    9.0MB

  • MD5

    803d222204c0cd0414b87ec11fa0b012

  • SHA1

    96023416083824f1b4c83161e9c4d6a5197631d6

  • SHA256

    144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372

  • SHA512

    f099459e45b115a05a2df128d31a991210279b9a6cb9a4a40b57ecdd4b35442064f4c1390a9ce2c0f6f16b71ce74264ff948c8467b72262dcc21be8e69aea716

  • SSDEEP

    196608:nTSHflKvlz/1tcko57P7sbsCeQQ3GkGekVH+nxH6+RlDwyM48tnSmgK:nTGflK9z17sE6LxjD7ghgK

Malware Config

Signatures

  • CryptBot

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

  • Cryptbot family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 44 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372.exe
    "C:\Users\Admin\AppData\Local\Temp\144755cf70a3ef6c0212c49645891c53ce926ad7e3e626016023d6aecc484372.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\vruns.exe
      "C:\Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\vruns.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:3000
    • C:\Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\intervpnmix2.exe
      "C:\Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\intervpnmix2.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\wmedWxeeahp\172773668.txt

    Filesize

    150B

    MD5

    cadc7176449b1ef7d75c247c7d248b41

    SHA1

    3262d7ebfe5735d499e092504c41d39fb51ade31

    SHA256

    edd1379685f9c0c83b7f870591d940432648d231a666d934dd22ea1a6c690f36

    SHA512

    67321a6d375c18a26a433051980bd868c17cef922473b43e219ec3bb94e22b05c622d3f272150252b4cb8a5d1470b5302a200d08c4d675eaec5581421a9c72cf

  • C:\ProgramData\wmedWxeeahp\Files\Browsers\_FileCC.txt

    Filesize

    3B

    MD5

    ecaa88f7fa0bf610a5a26cf545dcd3aa

    SHA1

    57218c316b6921e2cd61027a2387edc31a2d9471

    SHA256

    f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5

    SHA512

    37c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5

  • C:\ProgramData\wmedWxeeahp\IRaTFxvJX.zip

    Filesize

    348KB

    MD5

    aeba0abff4f177fb1f56919db2552086

    SHA1

    24a1d20c849dcc27cbd92781616dcffbb0ef1f21

    SHA256

    98e2e317aa0d5d87107d23c314efa67221c271ddd86341bff4776d9e36106186

    SHA512

    1864e655a55bd6386bfdd3a92de301dcec5cefd3071a808ab9079733be2ce7a0104843b672a48fb9230bdcb7d08b5716a5eb2f391a0725d4e65b668a1018c564

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\WebDataCopy

    Filesize

    92KB

    MD5

    a58d87b023e155c10b4e15fdfc6fcb06

    SHA1

    0ee449b782aeac54c0406adde543f19ecd9dfd38

    SHA256

    331b040f0bd7731b64e72a837ad86943379ff02e239c305d200108fe7e3c8c61

    SHA512

    1965574101a71a640efb135a49c4a968fd5feb328779c33936047afb2209424b44fba3a1ccdacee959ce5a016f22b49c8b42dc543476b11f83df0feb1b080eae

  • \Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\intervpnmix2.exe

    Filesize

    2.1MB

    MD5

    e9eb8d2f63357b49faf245057fdc66d1

    SHA1

    3ff0a75822d6f351fb6ab1f3efe894db9ce3f0f1

    SHA256

    3ec68f4ebe52f084c10fa533d260beec237f5cb40ac2d7ce0e77860bce8f41e5

    SHA512

    14da458ac137a62c1125ed9e2d9c0501d183cc6a948bed82d2d46c449880304a8b7adda32e30caf9b4404eb8b3a16e51b9d3e8e35f0a67bf34e9ff96335c7f81

  • \Program Files (x86)\InterVpn\InterVpn\InterVpn\bin\InterVpn\vruns.exe

    Filesize

    2.1MB

    MD5

    1490ea3019282b9fd5825bfd6f73b1cf

    SHA1

    fa2c9a028db4dd83fa80fef8c90ca2bf34dc881d

    SHA256

    8f01777956479851c4c5dd06845ba0d4561b2a085472460447d10b46d4b89487

    SHA512

    bdf82235c3a3b94360c4e2507c6adb07d1731fff16b9d9038f9faed34ee55d60b70d9ca24a2f2baba7fcd4c95716d52590ed62a7802c068a8ae35d5213dfaced

  • \Users\Admin\AppData\Local\Temp\nstB32A.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • memory/2568-63-0x0000000002FA0000-0x00000000034D1000-memory.dmp

    Filesize

    5.2MB

  • memory/2568-181-0x0000000002FA0000-0x000000000349D000-memory.dmp

    Filesize

    5.0MB

  • memory/2568-184-0x0000000002FA0000-0x00000000034D1000-memory.dmp

    Filesize

    5.2MB

  • memory/2568-53-0x0000000002FA0000-0x000000000349D000-memory.dmp

    Filesize

    5.0MB

  • memory/2984-210-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-200-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-231-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-227-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-224-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-65-0x0000000001330000-0x0000000001861000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-220-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-186-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-187-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-191-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-217-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-66-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-64-0x0000000001330000-0x0000000001861000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-194-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-214-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-197-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-207-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/2984-203-0x0000000000400000-0x0000000000931000-memory.dmp

    Filesize

    5.2MB

  • memory/3000-190-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-206-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-216-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-219-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-209-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-55-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-213-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-183-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-193-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-202-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-199-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-185-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-223-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-196-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-226-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-182-0x0000000000E00000-0x00000000012FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-230-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/3000-54-0x0000000000E00000-0x00000000012FD000-memory.dmp

    Filesize

    5.0MB