Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-03-2024 22:50

General

  • Target

    c44f51eebbf363775f8c42d26f866ab3.exe

  • Size

    651KB

  • MD5

    c44f51eebbf363775f8c42d26f866ab3

  • SHA1

    bc657e18da5b2a2222977295210a65f80a7d3060

  • SHA256

    20c0acac5094648bfb7eb02a6df11b070df01bddc485e6589ece93174f9ece00

  • SHA512

    05c3faec65a98a5be6d00c71b254c368396536460ecfb1fcb5ad3c3de9cd655716d3a8d6fe409fea626a813f22e8b049474421edc3a3e0b0e21f356bf15b6a11

  • SSDEEP

    12288:kpyZT1PrCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1PjOD3SxcDDcNDqWYurL0

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 14 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 18 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 53 IoCs
  • 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.

  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 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:828
    • C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      2⤵
        PID:296
    • C:\Users\Admin\AppData\Local\Temp\c44f51eebbf363775f8c42d26f866ab3.exe
      "C:\Users\Admin\AppData\Local\Temp\c44f51eebbf363775f8c42d26f866ab3.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Users\Admin\AppData\Local\Temp\c44f51eebbf363775f8c42d26f866ab3.exe
        c44f51eebbf363775f8c42d26f866ab3.exe
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2696
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2652
          • C:\Users\Admin\hauuh.exe
            "C:\Users\Admin\hauuh.exe"
            4⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2688
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2552
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              5⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2432
        • C:\Users\Admin\azhost.exe
          C:\Users\Admin\azhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2456
          • C:\Users\Admin\azhost.exe
            azhost.exe
            4⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:2776
        • C:\Users\Admin\bzhost.exe
          C:\Users\Admin\bzhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1336
          • C:\Users\Admin\bzhost.exe
            bzhost.exe
            4⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:1964
        • C:\Users\Admin\czhost.exe
          C:\Users\Admin\czhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1584
          • C:\Users\Admin\czhost.exe
            czhost.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1036
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 88
              5⤵
              • Loads dropped DLL
              • Program crash
              PID:2716
        • C:\Users\Admin\dzhost.exe
          C:\Users\Admin\dzhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1516
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            4⤵
              PID:3044
          • C:\Users\Admin\ezhost.exe
            C:\Users\Admin\ezhost.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:920
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del c44f51eebbf363775f8c42d26f866ab3.exe
            3⤵
            • Deletes itself
            PID:996
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2400
      • C:\Windows\system32\wbem\wmiprvse.exe
        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
        1⤵
          PID:1672

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\system32\consrv.dll

          Filesize

          53KB

          MD5

          63e99b675a1337db6d8430195ea3efd2

          SHA1

          1baead2bf8f433dc82f9b2c03fd65ce697a92155

          SHA256

          6616179477849205eb4075b75a042056d196f45d67f78929dbb3317a35ccbea9

          SHA512

          f5b986eafa38dbc9ad7759784ac887ecbb9c8d8009a3f33e91b9c9ceeaf043ed3e4ddab8e6b6b77e54aed9fcecab02442c8ff253f2136ea06996d05ddd68199f

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

          Filesize

          2KB

          MD5

          ade159ee05784bce9743cd742549e3dd

          SHA1

          f25915271ac77ee7f6c4810ba4df0dda4fafd38f

          SHA256

          bf65793390ddc0df3e102b1f0c8c78c99b47c33a4cfa2d7088d8a242b2484b9f

          SHA512

          89a6cda57e1ae51c5129974a635974e800aee082aaa01ab417569f5e5b08618618ec91ac756466cd5bcd816d57709a4aaa71131057a44bf1ac2da7f9c9b277d1

        • \Users\Admin\azhost.exe

          Filesize

          248KB

          MD5

          27ef898ce7ec9c0b79a6996a0b419de1

          SHA1

          4e8aed756fbc6133af13028c33366d2eaa43f954

          SHA256

          f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

          SHA512

          5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

        • \Users\Admin\bzhost.exe

          Filesize

          138KB

          MD5

          4e22775699416e81275fea3266e14bba

          SHA1

          32cc2479a30abd1b40b3b7e959ac32317fa124fd

          SHA256

          95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

          SHA512

          34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

        • \Users\Admin\czhost.exe

          Filesize

          96KB

          MD5

          fb7e8882346223dfbad778b5a7f74f32

          SHA1

          8285032fbab2f9f52533657d46df457ab64d0e15

          SHA256

          6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

          SHA512

          31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

        • \Users\Admin\dHY4IvP3.exe

          Filesize

          288KB

          MD5

          e2a16fca33158332dbb3c66021fe8e3b

          SHA1

          9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

          SHA256

          17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

          SHA512

          6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

        • \Users\Admin\dzhost.exe

          Filesize

          221KB

          MD5

          5b414fb77d0dbec97ee529ec0bbcbeaf

          SHA1

          359cd24cd341f75eb46b99375824f6b649443f8e

          SHA256

          62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

          SHA512

          887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

        • \Users\Admin\ezhost.exe

          Filesize

          28KB

          MD5

          46ede15ce82c221c24bf81b2de1be7e8

          SHA1

          c332a5ec7aeb213c13449626156f6623351a4393

          SHA256

          a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

          SHA512

          517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

        • \Users\Admin\hauuh.exe

          Filesize

          288KB

          MD5

          77762dbc10497b627a1c5856f599c06b

          SHA1

          f879db8e3bf73f47462c8de5a8c9ce3231f503e1

          SHA256

          2455e5aa38d94e8a48c45964404d723f9c491c372eb85a6e3e240844956fdf7b

          SHA512

          bc7d51440708e35298c2ebe6e32ab5ba82665d3afd8136cfb0a838d4052d4b98965ee2310d58742696b93ba25f16820c6b938c905f4f0bc1535f12cab7031c30

        • memory/336-206-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

          Filesize

          72KB

        • memory/336-179-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

          Filesize

          72KB

        • memory/336-204-0x0000000000A70000-0x0000000000A71000-memory.dmp

          Filesize

          4KB

        • memory/336-175-0x0000000000A70000-0x0000000000A71000-memory.dmp

          Filesize

          4KB

        • memory/828-232-0x00000000004D0000-0x00000000004D8000-memory.dmp

          Filesize

          32KB

        • memory/828-241-0x00000000005A0000-0x00000000005AB000-memory.dmp

          Filesize

          44KB

        • memory/828-254-0x00000000005A0000-0x00000000005AB000-memory.dmp

          Filesize

          44KB

        • memory/1036-124-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1036-115-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1036-112-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1036-110-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1036-108-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1036-127-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1336-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1516-159-0x0000000000310000-0x0000000000355000-memory.dmp

          Filesize

          276KB

        • memory/1516-162-0x0000000000310000-0x0000000000355000-memory.dmp

          Filesize

          276KB

        • memory/1516-147-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1516-146-0x0000000000274000-0x0000000000275000-memory.dmp

          Filesize

          4KB

        • memory/1516-145-0x0000000000270000-0x00000000002D4000-memory.dmp

          Filesize

          400KB

        • memory/1516-144-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1516-143-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1516-142-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1516-158-0x0000000000310000-0x0000000000355000-memory.dmp

          Filesize

          276KB

        • memory/1516-163-0x0000000002090000-0x00000000020D5000-memory.dmp

          Filesize

          276KB

        • memory/1516-166-0x0000000002094000-0x0000000002095000-memory.dmp

          Filesize

          4KB

        • memory/1516-180-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1516-182-0x0000000002090000-0x00000000020D5000-memory.dmp

          Filesize

          276KB

        • memory/1516-181-0x0000000000310000-0x0000000000355000-memory.dmp

          Filesize

          276KB

        • memory/1516-168-0x0000000000310000-0x0000000000355000-memory.dmp

          Filesize

          276KB

        • memory/1584-121-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1964-81-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-99-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-97-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-161-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-95-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-96-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-87-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-85-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/1964-83-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/2128-10-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2456-70-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2652-44-0x0000000003020000-0x0000000003ADA000-memory.dmp

          Filesize

          10.7MB

        • memory/2696-4-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-141-0x0000000000340000-0x00000000003A4000-memory.dmp

          Filesize

          400KB

        • memory/2696-140-0x0000000000340000-0x00000000003A4000-memory.dmp

          Filesize

          400KB

        • memory/2696-52-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-2-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-0-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-12-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-15-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-13-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-6-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2696-214-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2696-14-0x0000000000400000-0x0000000000507000-memory.dmp

          Filesize

          1.0MB

        • memory/2776-56-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-71-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-65-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-63-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-61-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-58-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB

        • memory/2776-54-0x0000000000400000-0x0000000000437000-memory.dmp

          Filesize

          220KB