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
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 01:18

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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 11 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • 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 17 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 13 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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:3436
    • C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
      81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4212
      • C:\Users\Admin\dHY4IvP3.exe
        C:\Users\Admin\dHY4IvP3.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3196
        • C:\Users\Admin\zeaumub.exe
          "C:\Users\Admin\zeaumub.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:4980
        • 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:3716
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:864
      • 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:3044
        • C:\Users\Admin\azhost.exe
          azhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:4140
      • 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:3180
        • C:\Users\Admin\bzhost.exe
          bzhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2428
      • 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:1892
        • C:\Users\Admin\czhost.exe
          czhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1244
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3408
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
            PID:3548
        • 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:4456
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3232
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      248KB

      MD5

      27ef898ce7ec9c0b79a6996a0b419de1

      SHA1

      4e8aed756fbc6133af13028c33366d2eaa43f954

      SHA256

      f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

      SHA512

      5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

      Download Submit

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

      138KB

      MD5

      4e22775699416e81275fea3266e14bba

      SHA1

      32cc2479a30abd1b40b3b7e959ac32317fa124fd

      SHA256

      95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

      SHA512

      34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

      Download Submit

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

      96KB

      MD5

      fb7e8882346223dfbad778b5a7f74f32

      SHA1

      8285032fbab2f9f52533657d46df457ab64d0e15

      SHA256

      6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

      SHA512

      31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

      Download Submit

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

      288KB

      MD5

      e2a16fca33158332dbb3c66021fe8e3b

      SHA1

      9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

      SHA256

      17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

      SHA512

      6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

      Download Submit

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

      221KB

      MD5

      5b414fb77d0dbec97ee529ec0bbcbeaf

      SHA1

      359cd24cd341f75eb46b99375824f6b649443f8e

      SHA256

      62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

      SHA512

      887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

      Download Submit

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

      28KB

      MD5

      46ede15ce82c221c24bf81b2de1be7e8

      SHA1

      c332a5ec7aeb213c13449626156f6623351a4393

      SHA256

      a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

      SHA512

      517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

      Download Submit

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

      288KB

      MD5

      5bfaa2481154ccd3b69e397856d97ded

      SHA1

      4e964c2093e4ca1ba00167b2aec82dc1c65085d5

      SHA256

      2365337c26037a2eae8273a93a6f664151c25643896c7a3cc8321762e5ed046b

      SHA512

      80ab5d7d835d5427d60182ee18746b5cfb21617d28c712c5bb9ce072ad71868e7989393a5eaff5be498a97179a7d0af394d73e6035116657e16a87d296da3d0f

      Download Submit

    • memory/1244-86-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1244-85-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1244-84-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1244-78-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1244-79-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1892-82-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/2428-73-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2428-68-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2428-102-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2428-74-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2428-67-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/3044-61-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/3180-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

      Download

    • memory/3408-89-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/3408-95-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/3436-7-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/4140-92-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4140-54-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4140-59-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4140-57-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4140-55-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4140-56-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

      Download

    • memory/4212-4-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-5-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-0-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-8-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-1-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-65-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/4212-123-0x0000000000400000-0x0000000000507000-memory.dmp

      Filesize

      1.0MB

      Download