Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 02:18

General

  • Target

    648f4f03a8972d907c18031a1f3181e9.exe

  • Size

    377KB

  • MD5

    648f4f03a8972d907c18031a1f3181e9

  • SHA1

    369418d52aa47b0e9bf0b2f3ad3a8d057a86d82e

  • SHA256

    11144876769ba20e6e361575697502a98052b1f3cd510ba70eb6b75824e09adf

  • SHA512

    a04d20e9c1abbcf979eb9ed9485aa9362ff6175cdf298486bd031fbc629803ec625203545dd8f6c39219207af99400cc25e54e554191e3b98a1b0ee9b55e2f72

  • SSDEEP

    6144:GjOqZB1XdvAHUSb4P2wJVXvMKH/i7a6qiu8OQOIOiNexjS:GlDdYHUScpJVXUKH/iW1DBioe

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
  • ModiLoader Second Stage 62 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\648f4f03a8972d907c18031a1f3181e9.exe
    "C:\Users\Admin\AppData\Local\Temp\648f4f03a8972d907c18031a1f3181e9.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    PID:952
  • C:\Windows\system32\mshta.exe
    "C:\Windows\system32\mshta.exe" javascript:x2tSkiRR="cmcc";Gf6=new%20ActiveXObject("WScript.Shell");MWg1J="QLY0r1lM";OR0ko=Gf6.RegRead("HKLM\\software\\Wow6432Node\\Wz8GUaYeX\\ZGhmwP");r35Gou="pHv";eval(OR0ko);jjCZvaY55="B2x";
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:hutnyp
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe
        3⤵
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VirtualBox drivers on disk
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Deletes itself
        • Drops startup file
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\SysWOW64\regsvr32.exe"
          4⤵
            PID:2868

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Virtualization/Sandbox Evasion

    3
    T1497

    Modify Registry

    2
    T1112

    Discovery

    Software Discovery

    1
    T1518

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    3
    T1497

    File and Directory Discovery

    1
    T1083

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\b3cd\11ed.lnk
      Filesize

      861B

      MD5

      3b1ebabbec9e73093c9ab91e31bb781b

      SHA1

      0791139df6d06c5b390b477f7f182f91bdfb8815

      SHA256

      fca5183ebabe0c5c4ff2c200d6bda3f63a54a421884131aa2b481d955c6d4c4e

      SHA512

      bc30c488b305775e49f56d1352bd96fda465c98a4b1d0e892f54d62ed595e394df257206a274676d148bdacf2e4f7e7d91d577dda519c59db61cd353c2e0f508

    • C:\Users\Admin\AppData\Local\b3cd\d031.33d80
      Filesize

      21KB

      MD5

      8d651367055aaf133a608ee81bce2cf6

      SHA1

      6e03ab12b31e82e825cfa3ef7f252eea8e3551ef

      SHA256

      ecd684b1609a341e3e8ac53fdee512f6dbda91abf38cfaf11de3af22bf60e346

      SHA512

      317db2d46b58eb4e8b0277009c76c7c44e65df98d7c6719aa652161f3ce5d9426418acab6d1c623223280bde6b9d8d901e04ba056d7d02b870846b1f724faea6

    • C:\Users\Admin\AppData\Local\b3cd\f09f.bat
      Filesize

      55B

      MD5

      a88a8539873b50b5df2247898fdaae8a

      SHA1

      711311fd9408d085006460ceb660d580cbc5404d

      SHA256

      8a0cfd9e51ffe73324579449b296e7d3192b11c26f60ed1ec06d9c67a79b8ced

      SHA512

      9f4d9e95478f08ef577a1fbc52d95828e0c3c528354d39c802091e011b644564645934a26ecee863791bcc6af86cc62302746ddffa9a6d25daaaf18800e7d9b6

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ca16.lnk
      Filesize

      979B

      MD5

      73bb6fa5b9905cbf64943332ed7a670f

      SHA1

      67a8462aa0d12b6dd8842188627ca9349ac18e37

      SHA256

      9d2c3c5f1c9195e0775adfb133b5e2752dfe5458d2d99f1413020dd88b7a33ae

      SHA512

      7a120a3bab7be76daa997ccff153bcd4d81ef687430209d24d62f98a4d42e8eb47ec3a933ce3b1f8b7d9875c7267edee56b018276b45d519c390a51ac3a79208

    • C:\Users\Admin\AppData\Roaming\fb26\78df.33d80
      Filesize

      47KB

      MD5

      381de625aeb65f75e604c03a54828c36

      SHA1

      adb36e64e7ac7dcd1a7ea990903a157701ff6320

      SHA256

      65c8937a06319ae25f4a71c3969a87ea31897d054593de05305d1bb29f2bd681

      SHA512

      eaf13fedb28b435b7289062468f5e95aaf345e84ca82862859c0fcb981fb9c13c2bdedbcbe3b69931381e570af20169833b894fce1da38847b81df98931e457d

    • memory/952-14-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-23-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-13-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-12-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-16-0x0000000072940000-0x0000000072A60000-memory.dmp
      Filesize

      1.1MB

    • memory/952-17-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-18-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-21-0x0000000003800000-0x0000000003840000-memory.dmp
      Filesize

      256KB

    • memory/952-22-0x0000000003800000-0x0000000003840000-memory.dmp
      Filesize

      256KB

    • memory/952-15-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-4-0x0000000003800000-0x0000000003840000-memory.dmp
      Filesize

      256KB

    • memory/952-11-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-10-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/952-2-0x0000000003800000-0x0000000003840000-memory.dmp
      Filesize

      256KB

    • memory/952-3-0x0000000000400000-0x000000000043B000-memory.dmp
      Filesize

      236KB

    • memory/952-113-0x0000000072940000-0x0000000072A60000-memory.dmp
      Filesize

      1.1MB

    • memory/952-112-0x0000000003620000-0x00000000036F6000-memory.dmp
      Filesize

      856KB

    • memory/1396-45-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-34-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-71-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-61-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-60-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-59-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-54-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-53-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-52-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-51-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-50-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-49-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-48-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-47-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-64-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-44-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-43-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-42-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-41-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-40-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-39-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-38-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-37-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-36-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-35-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-62-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-33-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-32-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-28-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-29-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-46-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/1396-63-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2648-30-0x0000000002EF0000-0x0000000004EF0000-memory.dmp
      Filesize

      32.0MB

    • memory/2648-27-0x00000000061D0000-0x00000000062A6000-memory.dmp
      Filesize

      856KB

    • memory/2648-31-0x00000000061D0000-0x00000000062A6000-memory.dmp
      Filesize

      856KB

    • memory/2868-79-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-77-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-82-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-81-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-80-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-74-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-78-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-83-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-76-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-73-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-84-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-86-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-85-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-75-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-72-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB

    • memory/2868-87-0x0000000000270000-0x00000000003B1000-memory.dmp
      Filesize

      1.3MB