Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 21:41

General

  • Target

    ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127bN.exe

  • Size

    326KB

  • MD5

    771458cacaf6e86143f5d490e58cbe80

  • SHA1

    9e61794256e7c043743482ddb6d46ace611d5064

  • SHA256

    ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127b

  • SHA512

    3ccc56e2284befde43810360ff6dd691721270174de95dc02d8dfd6bfdd547d0f1fd678b6bde1bf40cf7c0df7f89e75875df12d2ab44b38dbd93f990bed903ab

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVZ:h0sxD5cwohO+O1sVG0/pZ6iPC8M

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 23 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127bN.exe
    "C:\Users\Admin\AppData\Local\Temp\ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127bN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127bN.exe
      "C:\Users\Admin\AppData\Local\Temp\ac67c90c106c71219dc9e59297ce86ff59eb0dedf450cf3ee8e3360ee11c127bN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RIDYD.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2160
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1780
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RIDYD.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    326KB

    MD5

    b1fadda20b2a0fcc6bf1b0341068769e

    SHA1

    791a4853dc1282538a25b2f5be83431e07154ac4

    SHA256

    23fd7ff30db050034e34feb4fd72ba6bc7faa93d46ac471a6764b3d54021e015

    SHA512

    89d15c591981c5e67fb31946fef6d9ad4c37293ffd98e8a094ca2dce079ba35e3fe1b490c8f5d233cd6a7a9e63fd00368f91bd26aa8bdc12ce639100d3b088e7

  • memory/1448-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1448-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1780-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2096-251-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2096-178-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2096-187-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2096-214-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2096-167-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2096-157-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2096-149-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2272-152-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2272-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2272-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2272-90-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-80-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-78-0x0000000000680000-0x0000000000682000-memory.dmp

    Filesize

    8KB

  • memory/2272-70-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/2272-60-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2272-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2272-101-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2272-88-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2272-103-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2672-148-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-147-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-154-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-213-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2672-182-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-145-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-252-0x0000000003310000-0x0000000003364000-memory.dmp

    Filesize

    336KB

  • memory/2672-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2672-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB