Analysis

  • max time kernel
    151s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25/06/2022, 09:47

General

  • Target

    506a4853f982fc68041318fe8178eaf69035062a071319c9b23ba1194653949c.exe

  • Size

    4.3MB

  • MD5

    c31ce115e24879d104584b8f6550f3a7

  • SHA1

    410f23d51ee44ef4aede2343a175baf3f731b3da

  • SHA256

    506a4853f982fc68041318fe8178eaf69035062a071319c9b23ba1194653949c

  • SHA512

    f182e51290eb7f7e10e55df1c36c8d81852352c3998bdc66241dfa8386c119d0513dc7949d7ab5d0bc73d889c00fb21cc475aa29829e174b6a9d18e33d6965b2

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 3 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 6 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\506a4853f982fc68041318fe8178eaf69035062a071319c9b23ba1194653949c.exe
    "C:\Users\Admin\AppData\Local\Temp\506a4853f982fc68041318fe8178eaf69035062a071319c9b23ba1194653949c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Program Files (x86)\Der\Supr\Setup.exe
      "C:\Program Files (x86)\Der\Supr\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:3548
    • C:\Windows\SysWOW64\CScript.exe
      "C:\Windows\system32\CScript.exe" "C:\Program Files (x86)\Der\Supr\Two.vbs" //e:vbscript //B //NOLOGO
      2⤵
      • Blocklisted process makes network request
      PID:5064
    • C:\Program Files (x86)\Der\Supr\osn.exe
      "C:\Program Files (x86)\Der\Supr\osn.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:3052

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Der\Supr\Setup.exe

    Filesize

    2.2MB

    MD5

    61abdad69e2b1ff354e13754b2c37543

    SHA1

    de59ef8dcad183bd4ee0e5b2249b1a921c12c057

    SHA256

    4bc2aee22a5e3ba9613803018ee5d01680587577bf343914e7e1a372cf1a8c92

    SHA512

    3d09b1c3148b679fef1f52fe60615cd1a98fc1e5a4eca18514ecb49a884514cac8bc235beb397014c811353a835e42f099bb048fe7a11bca3f15327ceaf7d65f

  • C:\Program Files (x86)\Der\Supr\Setup.exe

    Filesize

    2.2MB

    MD5

    61abdad69e2b1ff354e13754b2c37543

    SHA1

    de59ef8dcad183bd4ee0e5b2249b1a921c12c057

    SHA256

    4bc2aee22a5e3ba9613803018ee5d01680587577bf343914e7e1a372cf1a8c92

    SHA512

    3d09b1c3148b679fef1f52fe60615cd1a98fc1e5a4eca18514ecb49a884514cac8bc235beb397014c811353a835e42f099bb048fe7a11bca3f15327ceaf7d65f

  • C:\Program Files (x86)\Der\Supr\Two.vbs

    Filesize

    126B

    MD5

    c6362e3c5585f24a9e9a2712c00c52ff

    SHA1

    9259b9609313386f004328d2c306820eae01a587

    SHA256

    184ca5b2737175e0828f3546d483778c95e23720f1375deac0090c2fe415e208

    SHA512

    59ac94fdb6f41d6dc5cbea1855897759f35032ac922b936a0b39a21b6aafb0c862c5d419afa31c0b81f106f2ce06b2909cdb5fb713534fbe36202c5a4fedfeaa

  • C:\Program Files (x86)\Der\Supr\osn.exe

    Filesize

    2.1MB

    MD5

    431e839da7498b4e54026e5a265d0e65

    SHA1

    12e5ff2315f01e1076ca46265eb8967bdce5a216

    SHA256

    41a0c4badc094d146411775ec7d6e92f4d30f4a48d5f95958746e9e7b3ac7f1c

    SHA512

    0bd398b0b86775e5c7664f3e7d46263c31b6525ad760519a525eaf77d7c16f911ef46eb6e444bb15c1c9bef273e8d603b631fd4a0a26c86627555a5140ca16b5

  • C:\Users\Admin\AppData\Local\Temp\nsg7D83.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nsg7D83.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    132e6153717a7f9710dcea4536f364cd

    SHA1

    e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    SHA256

    d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    SHA512

    9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

  • memory/3052-149-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/3052-148-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/3052-147-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/3052-146-0x0000000077BD0000-0x0000000077D73000-memory.dmp

    Filesize

    1.6MB

  • memory/3052-145-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/3548-139-0x0000000077BD0000-0x0000000077D73000-memory.dmp

    Filesize

    1.6MB

  • memory/3548-142-0x0000000077BD0000-0x0000000077D73000-memory.dmp

    Filesize

    1.6MB

  • memory/3548-141-0x0000000000420000-0x000000000096B000-memory.dmp

    Filesize

    5.3MB

  • memory/3548-140-0x0000000000420000-0x000000000096B000-memory.dmp

    Filesize

    5.3MB

  • memory/3548-137-0x0000000000420000-0x000000000096B000-memory.dmp

    Filesize

    5.3MB