Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 01:54 UTC

General

  • Target

    4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe

  • Size

    94KB

  • MD5

    6eedb0ad173ba58650164674ed5cc47d

  • SHA1

    ce2886e070e129f16dc90823158a0884bb9eea20

  • SHA256

    4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f

  • SHA512

    dd14faf59645058f20c7e0df38e815e8a5048f4e05dc1239ee2cb6eecb55229e99457982ca6756260c199f96830995bab2b6f74f4299878eb37473c257ad65a5

  • SSDEEP

    1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/0:/pdyLALwACPmV3NYaYLiwIt3raA5BRfr

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 1 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 16 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\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
    "C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
      "C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:10788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QHGRO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:10944
        • 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:11032
      • 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:11056
        • 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:148768
        • 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:148828

Network

  • flag-us
    DNS
    billabong0911.no-ip.biz
    csrsll.exe
    Remote address:
    8.8.8.8:53
    Request
    billabong0911.no-ip.biz
    IN A
    Response
    billabong0911.no-ip.biz
    IN A
    78.159.135.230
  • flag-us
    DNS
    billabong0911.no-ip.biz
    csrsll.exe
    Remote address:
    8.8.8.8:53
    Request
    billabong0911.no-ip.biz
    IN A
    Response
    billabong0911.no-ip.biz
    IN A
    78.159.135.230
  • 78.159.135.230:1337
    billabong0911.no-ip.biz
    csrsll.exe
    152 B
    3
  • 78.159.135.230:1337
    billabong0911.no-ip.biz
    csrsll.exe
    152 B
    3
  • 78.159.135.230:1337
    billabong0911.no-ip.biz
    csrsll.exe
    152 B
    3
  • 78.159.135.230:1337
    billabong0911.no-ip.biz
    csrsll.exe
    152 B
    3
  • 78.159.135.230:1337
    billabong0911.no-ip.biz
    csrsll.exe
    104 B
    2
  • 8.8.8.8:53
    billabong0911.no-ip.biz
    dns
    csrsll.exe
    69 B
    85 B
    1
    1

    DNS Request

    billabong0911.no-ip.biz

    DNS Response

    78.159.135.230

  • 8.8.8.8:53
    billabong0911.no-ip.biz
    dns
    csrsll.exe
    69 B
    85 B
    1
    1

    DNS Request

    billabong0911.no-ip.biz

    DNS Response

    78.159.135.230

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    94KB

    MD5

    4c285def5a8d2b720ed0084f7f0298dd

    SHA1

    53bee8d6cc96c650cdf154eee52d9e8c898d0169

    SHA256

    7a020b6036db83219b164b866782726db13f06ccf6998b61c69105c4ec4164da

    SHA512

    43b40dee95afd8dd5293bebc10e4f9ea66779423a6afc9d9d5af71591d7e7a4a5e769460592cd1a98f131dda6b9ec7a6582dc9c663bf169fdf260d9abf031b4d

  • memory/2400-73926-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/2400-51-0x0000000000405000-0x0000000000406000-memory.dmp

    Filesize

    4KB

  • memory/2400-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2400-147-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/2400-0-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/10788-73923-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73968-0x0000000003230000-0x0000000003286000-memory.dmp

    Filesize

    344KB

  • memory/10788-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/10788-73920-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73952-0x0000000003230000-0x0000000003286000-memory.dmp

    Filesize

    344KB

  • memory/10788-73916-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73924-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73918-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73957-0x0000000003230000-0x0000000003286000-memory.dmp

    Filesize

    344KB

  • memory/10788-73925-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/10788-73967-0x0000000003230000-0x0000000003286000-memory.dmp

    Filesize

    344KB

  • memory/10788-81997-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/11056-145175-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/11056-147845-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/148768-147853-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/148828-147841-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/148828-147852-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

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