Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 00:31

General

  • Target

    9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99.exe

  • Size

    130KB

  • MD5

    a5f9a6cc66f6bbe2507647f737d1d8af

  • SHA1

    48fdcc999118453847fc98a5e9a77a509f177813

  • SHA256

    9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99

  • SHA512

    8b87ef64dcc3dc08fef4d08282f69960224e46147b67d2f9b2209d44709d1097299dbe04873ae2b10e4a5704942cc662ac5df0623e5c3ea96645cb0e9557a210

  • SSDEEP

    1536:eH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5UROXTmZ:SKQJcinxphkG5Q6GdpIOkJHhKRyOXK

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Detects Windows executables referencing non-Windows User-Agents 6 IoCs
  • ModiLoader Second Stage 6 IoCs
  • UPX dump on OEP (original entry point) 13 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 13 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99.exe
    "C:\Users\Admin\AppData\Local\Temp\9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99.exe
      "C:\Users\Admin\AppData\Local\Temp\9087b832d680e7d6fbff11594b719ecf32c5bbe0c667a61832ce665f4df13e99.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OBFBP.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3736
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
          4⤵
          • Adds Run key to start application
          PID:4364
      • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
        "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4776
        • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
          "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3300
        • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
          "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
          4⤵
          • Executes dropped EXE
          PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OBFBP.txt

    Filesize

    145B

    MD5

    da0cbe87b720a79b294147ed6a4b98be

    SHA1

    ebf0dc9efd7a12cb192e355cda87546acb4ab360

    SHA256

    7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

    SHA512

    f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

  • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

    Filesize

    130KB

    MD5

    1610d11054307add287652d81d539d54

    SHA1

    6bc8c750f7920c17cdc76fb73b92fcdd987378e4

    SHA256

    605d24bbbdd8d129558ea894f594fb61bc3a3b5caaf8c9e1ace6e64714400e4b

    SHA512

    07f1aced2d479a282e467ae5fbce3f1642c2842bebddce6add194400c0eae208e1e4a8938a2a1bc5902755f2479c92463128b4469b514b43c94e2809784e6bd9

  • memory/1956-49-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/1956-61-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/1956-52-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/1956-53-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/1956-56-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/1956-51-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2688-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2688-3-0x0000000002A60000-0x0000000002A61000-memory.dmp

    Filesize

    4KB

  • memory/2688-15-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2688-4-0x0000000002A90000-0x0000000002A91000-memory.dmp

    Filesize

    4KB

  • memory/2688-12-0x0000000002B60000-0x0000000002B61000-memory.dmp

    Filesize

    4KB

  • memory/2688-5-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

    Filesize

    4KB

  • memory/2688-6-0x0000000002B40000-0x0000000002B41000-memory.dmp

    Filesize

    4KB

  • memory/2688-7-0x0000000002B50000-0x0000000002B51000-memory.dmp

    Filesize

    4KB

  • memory/3300-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4684-58-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4684-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4684-8-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4684-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4776-57-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4776-41-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4776-42-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4776-37-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4776-43-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB