Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 09:14

General

  • Target

    12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be.exe

  • Size

    108KB

  • MD5

    050d035afbd664c0f9a8a81e0574b9a1

  • SHA1

    08d08877065055e82ae2d221914f3f6f89e1cd32

  • SHA256

    12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be

  • SHA512

    fd08c7aec74466cc5f10330019b15234d3d91af8b3977fdb80fa617f38d02243ad0e76f58cf0c5367d5a55e7eabb676b75c888d30234cc8ec064cf6ba5f069b6

  • SSDEEP

    3072:poy8j7VnNdrPHaSekwi+mW+2poJxDout:58jZ7rvaU3+mWrpGoS

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 3 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be.exe
    "C:\Users\Admin\AppData\Local\Temp\12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • 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:3376
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    2404c0b73f26bad1cfc863a22494f1ad

    SHA1

    1d97cc93946adcae882ec96e8e3496c0e853d578

    SHA256

    e6688712e068f6a477318ed1f87f6efedcc765734261d441d56119518f435ebc

    SHA512

    a64adbfeaee8101227b11b3e410dfd0a24bf3811615860fd6b3e5d321d379d0c78b857c58cea367c4335306982cbe02d7dc4cef98e652be0d41575c4853a110a

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    2404c0b73f26bad1cfc863a22494f1ad

    SHA1

    1d97cc93946adcae882ec96e8e3496c0e853d578

    SHA256

    e6688712e068f6a477318ed1f87f6efedcc765734261d441d56119518f435ebc

    SHA512

    a64adbfeaee8101227b11b3e410dfd0a24bf3811615860fd6b3e5d321d379d0c78b857c58cea367c4335306982cbe02d7dc4cef98e652be0d41575c4853a110a

  • C:\Windows\mstwain32.exe

    Filesize

    108KB

    MD5

    050d035afbd664c0f9a8a81e0574b9a1

    SHA1

    08d08877065055e82ae2d221914f3f6f89e1cd32

    SHA256

    12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be

    SHA512

    fd08c7aec74466cc5f10330019b15234d3d91af8b3977fdb80fa617f38d02243ad0e76f58cf0c5367d5a55e7eabb676b75c888d30234cc8ec064cf6ba5f069b6

  • C:\Windows\mstwain32.exe

    Filesize

    108KB

    MD5

    050d035afbd664c0f9a8a81e0574b9a1

    SHA1

    08d08877065055e82ae2d221914f3f6f89e1cd32

    SHA256

    12957005e97d5420bb57d9feebf91af628ec84a14b0b7e56be50d495e9b033be

    SHA512

    fd08c7aec74466cc5f10330019b15234d3d91af8b3977fdb80fa617f38d02243ad0e76f58cf0c5367d5a55e7eabb676b75c888d30234cc8ec064cf6ba5f069b6

  • 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/3376-142-0x0000000000B60000-0x0000000000B6E000-memory.dmp

    Filesize

    56KB

  • memory/3376-143-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3376-144-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3696-132-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3696-137-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3696-133-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB