Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 15:57

General

  • Target

    6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b.exe

  • Size

    400KB

  • MD5

    bc8f6962848748a485334874bd7df96f

  • SHA1

    9171e97d39f949632c623c570907da2b8cce5d6a

  • SHA256

    6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b

  • SHA512

    dab614b794de5c99535bc20aec14e7a6bf5613c79c1f8bd83dbe3b76192f95c28559a7f3d70f97146d867f609f38076f82e17ff93faa823cc4e40256fa8f0a5b

  • SSDEEP

    12288:OEdn0YCMKwUJHvzD3zJpxJY/X5qzSYcKPB9dS:hF0YOhDgYgKzdS

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b.exe
    "C:\Users\Admin\AppData\Local\Temp\6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b.exe
      C:\Users\Admin\AppData\Local\Temp\6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b.exe
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\mstwain32.exe
          C:\Windows\mstwain32.exe
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:3792
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    eaebb4f7d09e8c25ed2227b2a79e6de0

    SHA1

    1d8b338de8a4379b1efe7798df267588d8faadc1

    SHA256

    a25e72d97105c8cc1885b9ec033cfb988044a11ca9496dbd3a19187f3254a7b5

    SHA512

    44db33ffaa01d4c7a981718f5d62f17601ef2849aac2e37242275f0bb950cb21e19eab62018151241772426a2413dce55d981e68a5d9beaa9394483e809fbaf6

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    eaebb4f7d09e8c25ed2227b2a79e6de0

    SHA1

    1d8b338de8a4379b1efe7798df267588d8faadc1

    SHA256

    a25e72d97105c8cc1885b9ec033cfb988044a11ca9496dbd3a19187f3254a7b5

    SHA512

    44db33ffaa01d4c7a981718f5d62f17601ef2849aac2e37242275f0bb950cb21e19eab62018151241772426a2413dce55d981e68a5d9beaa9394483e809fbaf6

  • C:\Windows\mstwain32.exe

    Filesize

    400KB

    MD5

    bc8f6962848748a485334874bd7df96f

    SHA1

    9171e97d39f949632c623c570907da2b8cce5d6a

    SHA256

    6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b

    SHA512

    dab614b794de5c99535bc20aec14e7a6bf5613c79c1f8bd83dbe3b76192f95c28559a7f3d70f97146d867f609f38076f82e17ff93faa823cc4e40256fa8f0a5b

  • C:\Windows\mstwain32.exe

    Filesize

    400KB

    MD5

    bc8f6962848748a485334874bd7df96f

    SHA1

    9171e97d39f949632c623c570907da2b8cce5d6a

    SHA256

    6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b

    SHA512

    dab614b794de5c99535bc20aec14e7a6bf5613c79c1f8bd83dbe3b76192f95c28559a7f3d70f97146d867f609f38076f82e17ff93faa823cc4e40256fa8f0a5b

  • C:\Windows\mstwain32.exe

    Filesize

    400KB

    MD5

    bc8f6962848748a485334874bd7df96f

    SHA1

    9171e97d39f949632c623c570907da2b8cce5d6a

    SHA256

    6011db613f744e24b55ea57d5e4d405264a709de5bf57ccb9a686885c6f7142b

    SHA512

    dab614b794de5c99535bc20aec14e7a6bf5613c79c1f8bd83dbe3b76192f95c28559a7f3d70f97146d867f609f38076f82e17ff93faa823cc4e40256fa8f0a5b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1492-134-0x0000000000A80000-0x0000000000A84000-memory.dmp

    Filesize

    16KB

  • memory/2760-138-0x0000000000000000-mapping.dmp

  • memory/3008-137-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3008-141-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3008-132-0x0000000000000000-mapping.dmp

  • memory/3008-136-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3008-135-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3008-133-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3792-142-0x0000000000000000-mapping.dmp

  • memory/3792-146-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3792-151-0x0000000002200000-0x000000000220E000-memory.dmp

    Filesize

    56KB

  • memory/3792-152-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3792-153-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3792-154-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB