Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 23:30

General

  • Target

    7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe

  • Size

    90KB

  • MD5

    595b575d73ada92e49f6e79a63475e20

  • SHA1

    5358c7c8eccfaec1d0bd2c40ee3422741a942914

  • SHA256

    7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b

  • SHA512

    5f32d51fa275c08e2968e49cf4c8cea02fa35310266072708b086d804bbb070e6b113dea83a070a28e6860e22512ab26294b024782b6feb26c5219e838464d5a

  • 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.

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • ModiLoader Second Stage 4 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 21 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).

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe
    "C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3296
    • C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe
      "C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DQHUQ.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5992
        • 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
          PID:4988
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3460
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5816
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:5188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\DQHUQ.txt

      Filesize

      145B

      MD5

      4eb61ec7816c34ec8c125acadc57ec1b

      SHA1

      b0015cc865c0bb1a027be663027d3829401a31cc

      SHA256

      08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

      SHA512

      f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

      Filesize

      90KB

      MD5

      223bc9965ed9afba79743fefc9813c65

      SHA1

      e2ac060ace2405cf5e0296df678b11fda44c853b

      SHA256

      2d6e7c249159e06daf64f323123eadf307d3c311ed898c82178ac871bce3dcb2

      SHA512

      109f4a02dc53084a72930a4c8d1a2a24f87ac62647960852d62a9773b237ded4285bd1053a876bae8296457709950dc73ac19bc74a668ef346d6256f8c5900dc

    • memory/3296-12-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3296-6-0x0000000002310000-0x0000000002312000-memory.dmp

      Filesize

      8KB

    • memory/3296-5-0x0000000002300000-0x0000000002302000-memory.dmp

      Filesize

      8KB

    • memory/3296-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

      Filesize

      8KB

    • memory/3296-0-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3296-15-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3296-7-0x0000000002320000-0x0000000002322000-memory.dmp

      Filesize

      8KB

    • memory/3296-3-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3460-58-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3460-44-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3460-39-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3460-43-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/5188-56-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5188-47-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5188-54-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5188-60-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5188-59-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5188-65-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/5776-38-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5776-11-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5776-10-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5776-8-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5776-63-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/5816-64-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB