Overview

overview

10

Static

static

10

81f31211ec...47.exe

windows7-x64

10

81f31211ec...47.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 01:14

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General

  • Target

    81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe

  • Size

    651KB

  • MD5

    8794d806c98728025528893f4dc79ba3

  • SHA1

    366db2c7b135196e43ef1ba22806bf9cc8c07f30

  • SHA256

    81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747

  • SHA512

    7ba8d5dea97b7513febac34872eed4fe1ca686cb7322ee4c9c89ba481c7055938e6b3cd5aa19f661cef4cb72dcd0489de3dc01e7e76d6c33b7f3f8bf00bf8a2a

  • SSDEEP

    12288:kpyZT1QrCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1QjOD3SxcDDcNDqWYurL0

Score
10/10
modiloaderdiscoveryevasionpersistencetrojanupx

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

    trojanmodiloader
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Modiloader family
    modiloader
  • ModiLoader Second Stage 13 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 14 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 IoCs
  • UPX packed file 21 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious use of UnmapMainImage
    PID:336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:876
  • C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
    "C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
      81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\dHY4IvP3.exe
        C:\Users\Admin\dHY4IvP3.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Users\Admin\vsfoh.exe
          "C:\Users\Admin\vsfoh.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2020
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2248
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1456
      • C:\Users\Admin\azhost.exe
        C:\Users\Admin\azhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1156
        • C:\Users\Admin\azhost.exe
          azhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1736
      • C:\Users\Admin\bzhost.exe
        C:\Users\Admin\bzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Users\Admin\bzhost.exe
          bzhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2892
      • C:\Users\Admin\czhost.exe
        C:\Users\Admin\czhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Users\Admin\czhost.exe
          czhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3020
      • C:\Users\Admin\dzhost.exe
        C:\Users\Admin\dzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2152
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1756
      • C:\Users\Admin\ezhost.exe
        C:\Users\Admin\ezhost.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:864
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:564
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2476
  • C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe -Embedding
    1⤵
      PID:2544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\dHY4IvP3.exe
      Filesize

      288KB

      MD5

      e2a16fca33158332dbb3c66021fe8e3b

      SHA1

      9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

      SHA256

      17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

      SHA512

      6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

      Download Submit

    • \??\globalroot\systemroot\assembly\temp\@
      Filesize

      2KB

      MD5

      9aa431d3494431d144c1a650ee11123b

      SHA1

      2e04362c4a17f65e1704e22c908433adc368b19a

      SHA256

      ecf2aae1c6b0c7ba1403f69f3031591d9793c1e20a91fa1e64b828c13bfae864

      SHA512

      e488c8e4f23120ca076ff9da5455b6b79ffb8750a23564728d91a47a3c319615b1cba6543e201ac54af49a6a1c8cb937c5e2cbc38b3389e0c8f98e8bc9f8e704

      Download Submit

    • \Users\Admin\azhost.exe
      Filesize

      248KB

      MD5

      27ef898ce7ec9c0b79a6996a0b419de1

      SHA1

      4e8aed756fbc6133af13028c33366d2eaa43f954

      SHA256

      f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

      SHA512

      5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

      Download Submit

    • \Users\Admin\bzhost.exe
      Filesize

      138KB

      MD5

      4e22775699416e81275fea3266e14bba

      SHA1

      32cc2479a30abd1b40b3b7e959ac32317fa124fd

      SHA256

      95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

      SHA512

      34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

      Download Submit

    • \Users\Admin\czhost.exe
      Filesize

      96KB

      MD5

      fb7e8882346223dfbad778b5a7f74f32

      SHA1

      8285032fbab2f9f52533657d46df457ab64d0e15

      SHA256

      6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

      SHA512

      31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

      Download Submit

    • \Users\Admin\dzhost.exe
      Filesize

      221KB

      MD5

      5b414fb77d0dbec97ee529ec0bbcbeaf

      SHA1

      359cd24cd341f75eb46b99375824f6b649443f8e

      SHA256

      62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

      SHA512

      887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

      Download Submit

    • \Users\Admin\ezhost.exe
      Filesize

      28KB

      MD5

      46ede15ce82c221c24bf81b2de1be7e8

      SHA1

      c332a5ec7aeb213c13449626156f6623351a4393

      SHA256

      a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

      SHA512

      517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

      Download Submit

    • \Users\Admin\vsfoh.exe
      Filesize

      288KB

      MD5

      219f2679ed9e95dfa7a30282819de10b

      SHA1

      6e4f261cbffa4cbde858be0019e536368cfe119c

      SHA256

      86a54f5284ac427d444b108adbe050897b8f7e7faee6b85897dd8892a7b246b9

      SHA512

      13d778581ca4f32da80873f00182cfd6bfe8cb9d25d66401a30178bc822d5e637575c1a2238f3fc75370bcb3e84d4d3d50ef7a12247bba5cea356c99f0980383

      Download Submit

    • \Windows\System32\consrv.dll
      Filesize

      53KB

      MD5

      63e99b675a1337db6d8430195ea3efd2

      SHA1

      1baead2bf8f433dc82f9b2c03fd65ce697a92155

      SHA256

      6616179477849205eb4075b75a042056d196f45d67f78929dbb3317a35ccbea9

      SHA512

      f5b986eafa38dbc9ad7759784ac887ecbb9c8d8009a3f33e91b9c9ceeaf043ed3e4ddab8e6b6b77e54aed9fcecab02442c8ff253f2136ea06996d05ddd68199f

      Download Submit

    • memory/540-90-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/1156-68-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/1736-59-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-70-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-66-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-62-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-56-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-54-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/1736-52-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/2032-43-0x00000000035F0000-0x00000000040AA000-memory.dmp

      Filesize

      10.7MB

      Download

    • memory/2152-157-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/2152-130-0x0000000000470000-0x00000000004B5000-memory.dmp

      Filesize

      276KB

      Download

    • memory/2152-129-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/2748-9-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/2780-5-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-0-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-78-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-190-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-2-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2780-11-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-14-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-12-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2780-122-0x0000000000780000-0x00000000007E4000-memory.dmp

      Filesize

      400KB

      Download

    • memory/2780-128-0x0000000000780000-0x00000000007E4000-memory.dmp

      Filesize

      400KB

      Download

    • memory/2780-3-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/2892-94-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-80-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-88-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-84-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-95-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-82-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2892-153-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2972-114-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/3020-112-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-119-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-118-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-117-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-108-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-104-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3020-106-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download