Analysis

  • max time kernel
    185s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    22/06/2022, 11:54

General

  • Target

    2e28f1b81561265b436047c612838618d6fcb5371f28626d6ec8f7de6b2789ee.exe

  • Size

    4.2MB

  • MD5

    994cc30fc5c8e845d21746b147b5856d

  • SHA1

    685220882fe159660dc0bde6a594b68699d9ce0c

  • SHA256

    2e28f1b81561265b436047c612838618d6fcb5371f28626d6ec8f7de6b2789ee

  • SHA512

    70d00f9055550f97b161b9da85b4620d1db133200c77bac647804ba2fb5d639016dc5d3f3afc4f8e3857463b664b59176ce65cd4dc9e2bb8cbd795094581d18e

Malware Config

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • 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 2 IoCs
  • Reads user/profile data of web browsers 2 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
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e28f1b81561265b436047c612838618d6fcb5371f28626d6ec8f7de6b2789ee.exe
    "C:\Users\Admin\AppData\Local\Temp\2e28f1b81561265b436047c612838618d6fcb5371f28626d6ec8f7de6b2789ee.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Program Files (x86)\Ivp\bin\setup.exe
      "C:\Program Files (x86)\Ivp\bin\setup.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:4424
    • C:\Windows\SysWOW64\CScript.exe
      "C:\Windows\system32\CScript.exe" "C:\Program Files (x86)\Ivp\bin\Two.vbs" //e:vbscript //B //NOLOGO
      2⤵
      • Blocklisted process makes network request
      PID:4872
    • C:\Program Files (x86)\Ivp\bin\looo.exe
      "C:\Program Files (x86)\Ivp\bin\looo.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Ivp\bin\Two.vbs

    Filesize

    126B

    MD5

    c6362e3c5585f24a9e9a2712c00c52ff

    SHA1

    9259b9609313386f004328d2c306820eae01a587

    SHA256

    184ca5b2737175e0828f3546d483778c95e23720f1375deac0090c2fe415e208

    SHA512

    59ac94fdb6f41d6dc5cbea1855897759f35032ac922b936a0b39a21b6aafb0c862c5d419afa31c0b81f106f2ce06b2909cdb5fb713534fbe36202c5a4fedfeaa

  • C:\Program Files (x86)\Ivp\bin\looo.exe

    Filesize

    2.0MB

    MD5

    e1e49175b2c2cab149e99146aba86db8

    SHA1

    69baac79a2bd1883284ef7126a0d0fb95a838505

    SHA256

    7a0c0d41d3e0d0b925ad10d3e094c8d2f695d91cf2d70e6a2404adfcb0adf000

    SHA512

    8cb304d5a81182b8bbe94fcb477996398c4a53818e17b2fac56fb2076cf5873f2faa4f2f4ad22bc90109891edf0b430937055432ede503a2f137ace0dbed306e

  • C:\Program Files (x86)\Ivp\bin\setup.exe

    Filesize

    2.1MB

    MD5

    fe84f8c12d844ea18a189161d89c29f5

    SHA1

    d501ff3dff98263bb967e0903467a65ae96dd3ee

    SHA256

    4daef9b00dddadca0e2a1163293071171b5866796bb01461efd8dbd4331d105a

    SHA512

    3dffbba11c2f71ccd30019abce3cbf8568bb761921ddbc50fb080571ba3abbb32611a7ea7f851239e014537797f575331943dd11a68146551bc006de5f7973a0

  • C:\Program Files (x86)\Ivp\bin\setup.exe

    Filesize

    2.1MB

    MD5

    fe84f8c12d844ea18a189161d89c29f5

    SHA1

    d501ff3dff98263bb967e0903467a65ae96dd3ee

    SHA256

    4daef9b00dddadca0e2a1163293071171b5866796bb01461efd8dbd4331d105a

    SHA512

    3dffbba11c2f71ccd30019abce3cbf8568bb761921ddbc50fb080571ba3abbb32611a7ea7f851239e014537797f575331943dd11a68146551bc006de5f7973a0

  • C:\Users\Admin\AppData\Local\Temp\nsz1176.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nsz1176.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    132e6153717a7f9710dcea4536f364cd

    SHA1

    e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    SHA256

    d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    SHA512

    9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

  • memory/1996-145-0x0000000000400000-0x0000000000903000-memory.dmp

    Filesize

    5.0MB

  • memory/1996-146-0x00000000771E0000-0x0000000077383000-memory.dmp

    Filesize

    1.6MB

  • memory/1996-150-0x0000000000400000-0x0000000000903000-memory.dmp

    Filesize

    5.0MB

  • memory/1996-149-0x00000000771E0000-0x0000000077383000-memory.dmp

    Filesize

    1.6MB

  • memory/1996-148-0x0000000000400000-0x0000000000903000-memory.dmp

    Filesize

    5.0MB

  • memory/1996-147-0x0000000000400000-0x0000000000903000-memory.dmp

    Filesize

    5.0MB

  • memory/4424-142-0x0000000000C50000-0x0000000001173000-memory.dmp

    Filesize

    5.1MB

  • memory/4424-137-0x0000000000C50000-0x0000000001173000-memory.dmp

    Filesize

    5.1MB

  • memory/4424-141-0x00000000771E0000-0x0000000077383000-memory.dmp

    Filesize

    1.6MB

  • memory/4424-140-0x0000000000C50000-0x0000000001173000-memory.dmp

    Filesize

    5.1MB

  • memory/4424-139-0x0000000000C50000-0x0000000001173000-memory.dmp

    Filesize

    5.1MB

  • memory/4424-138-0x00000000771E0000-0x0000000077383000-memory.dmp

    Filesize

    1.6MB