Analysis

  • max time kernel
    119s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 22:46

General

  • Target

    bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5N.exe

  • Size

    90KB

  • MD5

    b56ab0ec1a1d308b6589aa919500c790

  • SHA1

    a3a983a22a217e29e9a6891324de941824d2bbdb

  • SHA256

    bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5

  • SHA512

    ed9f29cd91a3fd00856ca9edb48c9da73acba42073bbbd692fffe96511611d0c54abb238f38f2cb37063655b6fe43ebb6be12af894c59a3c87e386c4f72acfef

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 24 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).

  • 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\bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5N.exe
    "C:\Users\Admin\AppData\Local\Temp\bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5N.exe
      "C:\Users\Admin\AppData\Local\Temp\bc37d02ea433bbc6e0462837220a6d6f5be5b390944cc32eb031f13cf82dfbe5N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\UWIMR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2272
        • 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:1088
      • 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:640
        • 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:2512
        • 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:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    813ef6f488f3f2217d4f920b3e04e679

    SHA1

    01621ff65290f1df364548bbd54502be21fc0445

    SHA256

    007d6831a0c18ddab0561dca9b15548ed0d6f09154ec2dd81cc25f1c1600dda8

    SHA512

    58762b5424939f7d9b2d96cc667665b72bfc121d1d746400614c0368f3003c25794b414dceee0b0a30e4a7ab957038786f8a72293b1c2b28493f69eacd55a0c2

  • memory/640-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/640-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/640-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/640-179-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/640-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1160-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1160-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1940-28-0x0000000000610000-0x0000000000611000-memory.dmp

    Filesize

    4KB

  • memory/1940-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-3-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1940-16-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1940-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-81-0x0000000002530000-0x0000000002532000-memory.dmp

    Filesize

    8KB

  • memory/1940-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-72-0x0000000001E30000-0x0000000001E31000-memory.dmp

    Filesize

    4KB

  • memory/1940-63-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-61-0x0000000001E10000-0x0000000001E11000-memory.dmp

    Filesize

    4KB

  • memory/1940-41-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

    Filesize

    4KB

  • memory/1940-33-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1940-5-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1940-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2512-237-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2512-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-135-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-148-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-149-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-235-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-236-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-234-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-233-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2664-150-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2664-151-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB