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Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 22:37

General

  • Target

    40c1b54269a4ea770a51d2cfcdbb9eeb.exe

  • Size

    777KB

  • MD5

    40c1b54269a4ea770a51d2cfcdbb9eeb

  • SHA1

    b96fcb61a7f20c090f931d4a123250937b030d41

  • SHA256

    3cc9d68a2b59eccab8ede2b71539ef8e9b3b4e6941f5a78978c42265131d1340

  • SHA512

    9bbb30a6ade82418b21485c69d2de91444cef5485e263ce6f450e42b0644c6c60dafa166d36e69ccd81e5e8758341e7b2124560c5bc336718addbaed9b006a2b

  • SSDEEP

    12288:Bq+hQxVUzfvVYzSbAdmndFYw4tdN0a20JK2LMLGpH9gLWMccNt2wJVYSEg+rKZV:0+ykW8dFWAa2/6gGpdgLWMfN88V3Is

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 21 IoCs
  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 27 IoCs

    Detects Themida, an advanced Windows software protection system.

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\40c1b54269a4ea770a51d2cfcdbb9eeb.exe
    "C:\Users\Admin\AppData\Local\Temp\40c1b54269a4ea770a51d2cfcdbb9eeb.exe"
    1⤵
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\40c1b54269a4ea770a51d2cfcdbb9eeb.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:1996
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    275KB

    MD5

    4aa49a1b67b07b6dcc00507cee9fbe22

    SHA1

    fcc381ce0b4c5477b811df0d03d42341ea254cf2

    SHA256

    a3b3ff9ef30e4517828eb92c48f3b1fdb26c6b0f55d2623f30cfe4ef1cf3cdb8

    SHA512

    4ca08680698e6cb7f2ecad97872434bc0b82e571cc836b0fc7f9bddc3aa8f7f781b1a5761372971c899b30d78e6f8d9f8ff85200d421d80f0a00dea2112513de

  • C:\Windows\mstwain32.exe

    Filesize

    390KB

    MD5

    c7a8ffa57419a6736a160af5744a7e39

    SHA1

    2ede66d97d534a6c01e338ce970144e565c3a52e

    SHA256

    08530e3c7280478c097b3cd6f7182f9fcf11cf3cf84784a2daa7c5420d2184bf

    SHA512

    5b42452998387bc1a722c0a41c00a3c6646a1e933e2202662d84195695af1a0fcfa10ed9723caac6e43bc2f2695374f917818d57bf02e121235d9711b465fbb0

  • memory/1972-0-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-1-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-20-0x0000000004000000-0x0000000004001000-memory.dmp

    Filesize

    4KB

  • memory/1972-17-0x0000000004210000-0x0000000004211000-memory.dmp

    Filesize

    4KB

  • memory/1972-19-0x0000000004010000-0x0000000004011000-memory.dmp

    Filesize

    4KB

  • memory/1972-18-0x00000000042E0000-0x00000000042E1000-memory.dmp

    Filesize

    4KB

  • memory/1972-16-0x0000000003FE0000-0x0000000003FE1000-memory.dmp

    Filesize

    4KB

  • memory/1972-15-0x0000000004020000-0x0000000004021000-memory.dmp

    Filesize

    4KB

  • memory/1972-14-0x00000000041D0000-0x00000000041D1000-memory.dmp

    Filesize

    4KB

  • memory/1972-13-0x0000000004070000-0x0000000004071000-memory.dmp

    Filesize

    4KB

  • memory/1972-12-0x00000000041F0000-0x00000000041F2000-memory.dmp

    Filesize

    8KB

  • memory/1972-11-0x0000000004250000-0x0000000004251000-memory.dmp

    Filesize

    4KB

  • memory/1972-10-0x0000000004060000-0x0000000004062000-memory.dmp

    Filesize

    8KB

  • memory/1972-9-0x0000000004050000-0x0000000004051000-memory.dmp

    Filesize

    4KB

  • memory/1972-8-0x0000000004260000-0x0000000004261000-memory.dmp

    Filesize

    4KB

  • memory/1972-7-0x00000000042C0000-0x00000000042C1000-memory.dmp

    Filesize

    4KB

  • memory/1972-6-0x0000000004030000-0x0000000004031000-memory.dmp

    Filesize

    4KB

  • memory/1972-5-0x0000000003FA0000-0x0000000003FA1000-memory.dmp

    Filesize

    4KB

  • memory/1972-4-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

    Filesize

    4KB

  • memory/1972-3-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

    Filesize

    4KB

  • memory/1972-2-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-21-0x0000000004280000-0x0000000004281000-memory.dmp

    Filesize

    4KB

  • memory/1972-22-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1972-23-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-29-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-28-0x00000000042B0000-0x00000000042B1000-memory.dmp

    Filesize

    4KB

  • memory/1972-27-0x0000000004200000-0x0000000004201000-memory.dmp

    Filesize

    4KB

  • memory/1972-26-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-31-0x0000000004B30000-0x0000000004B40000-memory.dmp

    Filesize

    64KB

  • memory/1972-33-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-38-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-41-0x0000000004B30000-0x0000000004B3D000-memory.dmp

    Filesize

    52KB

  • memory/1972-40-0x00000000057A0000-0x000000000595C000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-42-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-43-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-64-0x0000000004150000-0x0000000004151000-memory.dmp

    Filesize

    4KB

  • memory/1996-63-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/1996-62-0x0000000004200000-0x0000000004201000-memory.dmp

    Filesize

    4KB

  • memory/1996-61-0x0000000004260000-0x0000000004261000-memory.dmp

    Filesize

    4KB

  • memory/1996-60-0x00000000042C0000-0x00000000042C1000-memory.dmp

    Filesize

    4KB

  • memory/1996-59-0x00000000040E0000-0x00000000040E1000-memory.dmp

    Filesize

    4KB

  • memory/1996-58-0x00000000041E0000-0x00000000041E1000-memory.dmp

    Filesize

    4KB

  • memory/1996-57-0x0000000004160000-0x0000000004161000-memory.dmp

    Filesize

    4KB

  • memory/1996-56-0x00000000041D0000-0x00000000041D1000-memory.dmp

    Filesize

    4KB

  • memory/1996-55-0x00000000041B0000-0x00000000041B1000-memory.dmp

    Filesize

    4KB

  • memory/1996-54-0x00000000041F0000-0x00000000041F2000-memory.dmp

    Filesize

    8KB

  • memory/1996-53-0x0000000004240000-0x0000000004241000-memory.dmp

    Filesize

    4KB

  • memory/1996-52-0x0000000004190000-0x0000000004191000-memory.dmp

    Filesize

    4KB

  • memory/1996-51-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/1996-50-0x0000000004250000-0x0000000004251000-memory.dmp

    Filesize

    4KB

  • memory/1996-49-0x00000000042B0000-0x00000000042B1000-memory.dmp

    Filesize

    4KB

  • memory/1996-48-0x0000000004170000-0x0000000004171000-memory.dmp

    Filesize

    4KB

  • memory/1996-47-0x00000000040A0000-0x00000000040A1000-memory.dmp

    Filesize

    4KB

  • memory/1996-46-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/1996-45-0x00000000040D0000-0x00000000040D1000-memory.dmp

    Filesize

    4KB

  • memory/1996-44-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-69-0x0000000004280000-0x0000000004281000-memory.dmp

    Filesize

    4KB

  • memory/1996-70-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1996-68-0x00000000041A0000-0x00000000041A1000-memory.dmp

    Filesize

    4KB

  • memory/1996-73-0x00000000048D0000-0x00000000048DE000-memory.dmp

    Filesize

    56KB

  • memory/1996-77-0x0000000074880000-0x0000000074894000-memory.dmp

    Filesize

    80KB

  • memory/1996-79-0x0000000004740000-0x0000000004741000-memory.dmp

    Filesize

    4KB

  • memory/1996-78-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-76-0x0000000076AA0000-0x0000000076B90000-memory.dmp

    Filesize

    960KB

  • memory/1996-75-0x0000000004210000-0x0000000004211000-memory.dmp

    Filesize

    4KB

  • memory/1996-72-0x0000000004290000-0x0000000004291000-memory.dmp

    Filesize

    4KB

  • memory/1996-71-0x0000000004230000-0x0000000004231000-memory.dmp

    Filesize

    4KB

  • memory/1996-80-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-81-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-82-0x0000000076AA0000-0x0000000076B90000-memory.dmp

    Filesize

    960KB

  • memory/1996-83-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-84-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-86-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-87-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-88-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-89-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-90-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-91-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-92-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/1996-93-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB