Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 01:46

General

  • Target

    a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe

  • Size

    204KB

  • MD5

    815baa9da59a19abe287cf82b9f74f25

  • SHA1

    b12ed48f64e45b41712c53c58a8441899c85465f

  • SHA256

    a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a

  • SHA512

    17cad0ef7287725771123a1235bedb30c48dd367a237ceb1277556c323718983124f3d13dd93e6a57d8e26936d1aade11a532a5fe7d7adcee29aad1a49633a3e

  • SSDEEP

    3072:DOfKQJcinxphkG5Q6GdpIOkJHhKRyOXK:DmKQJ5xEG2NpRbtX

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\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe
      "C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QVRFR.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2852
        • 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:1912
      • 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:4584
        • 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:4352
        • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
          "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
          4⤵
          • Executes dropped EXE
          PID:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\QVRFR.txt
    Filesize

    145B

    MD5

    da0cbe87b720a79b294147ed6a4b98be

    SHA1

    ebf0dc9efd7a12cb192e355cda87546acb4ab360

    SHA256

    7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

    SHA512

    f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

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

    204KB

    MD5

    94162ab25f33106149f817955ef170be

    SHA1

    046586941f3be161183295045e6994ee13f8e3bb

    SHA256

    f5d0088e79bd407c96fe458f2c29436b820024e20e195ecde8275f19f263139d

    SHA512

    a5ee31dbb571f8df41ed4e33ca6ff69825e896a6d0a261a0c14ec2cd962a8c10700737e061800ad42d62e4e83676c0ee07822963a0ca2ad5f0f883cd83710d2b

  • memory/1716-9-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1716-57-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1716-12-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1716-11-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3512-7-0x0000000002B50000-0x0000000002B51000-memory.dmp
    Filesize

    4KB

  • memory/3512-5-0x0000000002AD0000-0x0000000002AD1000-memory.dmp
    Filesize

    4KB

  • memory/3512-8-0x0000000002B60000-0x0000000002B61000-memory.dmp
    Filesize

    4KB

  • memory/3512-6-0x0000000002B40000-0x0000000002B41000-memory.dmp
    Filesize

    4KB

  • memory/3512-13-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/3512-3-0x0000000002A70000-0x0000000002A71000-memory.dmp
    Filesize

    4KB

  • memory/3512-4-0x0000000002AA0000-0x0000000002AA1000-memory.dmp
    Filesize

    4KB

  • memory/3512-0-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/4352-55-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4352-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4528-60-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4528-50-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4528-45-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4528-48-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4528-56-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4528-53-0x0000000000400000-0x0000000000411000-memory.dmp
    Filesize

    68KB

  • memory/4584-41-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/4584-54-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/4584-40-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/4584-39-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB