Analysis

  • max time kernel
    164s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 00:37

General

  • Target

    7588f4467b98536e344fca32802cfbfad66276ccee98a043b91aa1deaf25241c.exe

  • Size

    492KB

  • MD5

    506865672eedb7a4c5432122653e3d1c

  • SHA1

    0add655fa802cde2e95b72772c7ad3bb0a49d757

  • SHA256

    7588f4467b98536e344fca32802cfbfad66276ccee98a043b91aa1deaf25241c

  • SHA512

    b8cd0cd61d5037798c297a488258281ee2b0e21c4f33200c05d03228b3c8a325742e0a7263c53fcbd7130bbad3df4100a682783b892ea5635e00be8193d943aa

  • SSDEEP

    12288:AjuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:AsUNl6yD2KXYWzj3rZQFz

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 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7588f4467b98536e344fca32802cfbfad66276ccee98a043b91aa1deaf25241c.exe
    "C:\Users\Admin\AppData\Local\Temp\7588f4467b98536e344fca32802cfbfad66276ccee98a043b91aa1deaf25241c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\d3s3Jf2gX6.exe
      C:\Users\Admin\d3s3Jf2gX6.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Users\Admin\mexat.exe
        "C:\Users\Admin\mexat.exe"
        3⤵
        • 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:3132
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4312
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4760
    • C:\Users\Admin\ayhost.exe
      C:\Users\Admin\ayhost.exe
      2⤵
      • Executes dropped EXE
      PID:548
    • C:\Users\Admin\bahost.exe
      C:\Users\Admin\bahost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:2260
      • C:\Users\Admin\djhost.exe
        C:\Users\Admin\djhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4028
      • C:\Users\Admin\ekhost.exe
        C:\Users\Admin\ekhost.exe
        2⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3564
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3684
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 7588f4467b98536e344fca32802cfbfad66276ccee98a043b91aa1deaf25241c.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3712

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\ayhost.exe

            Filesize

            80KB

            MD5

            8ccbe4f27f9710f3e7f75e1d1de57e49

            SHA1

            272e95e476477cd4a1715ee0bcf32318e0351718

            SHA256

            3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

            SHA512

            334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

          • C:\Users\Admin\ayhost.exe

            Filesize

            80KB

            MD5

            8ccbe4f27f9710f3e7f75e1d1de57e49

            SHA1

            272e95e476477cd4a1715ee0bcf32318e0351718

            SHA256

            3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

            SHA512

            334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

          • C:\Users\Admin\bahost.exe

            Filesize

            260KB

            MD5

            57d06744cbe8d579531f5704827605c1

            SHA1

            222404c29087c7481127d5616e209e8a8946b110

            SHA256

            42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

            SHA512

            1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

          • C:\Users\Admin\bahost.exe

            Filesize

            260KB

            MD5

            57d06744cbe8d579531f5704827605c1

            SHA1

            222404c29087c7481127d5616e209e8a8946b110

            SHA256

            42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

            SHA512

            1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

          • C:\Users\Admin\d3s3Jf2gX6.exe

            Filesize

            280KB

            MD5

            b3c7427a9509d61a373b377e668c8ddd

            SHA1

            80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

            SHA256

            b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

            SHA512

            616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

          • C:\Users\Admin\d3s3Jf2gX6.exe

            Filesize

            280KB

            MD5

            b3c7427a9509d61a373b377e668c8ddd

            SHA1

            80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

            SHA256

            b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

            SHA512

            616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

          • C:\Users\Admin\djhost.exe

            Filesize

            32KB

            MD5

            af152804736fe7af65e4b49633a2d185

            SHA1

            3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

            SHA256

            45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

            SHA512

            749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

          • C:\Users\Admin\djhost.exe

            Filesize

            32KB

            MD5

            af152804736fe7af65e4b49633a2d185

            SHA1

            3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

            SHA256

            45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

            SHA512

            749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

          • C:\Users\Admin\ekhost.exe

            Filesize

            24KB

            MD5

            046275674448c41615014cf770ee4f53

            SHA1

            4f51eb674e199d6b901aaffb55c4aeafb94acfb3

            SHA256

            3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

            SHA512

            db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

          • C:\Users\Admin\ekhost.exe

            Filesize

            24KB

            MD5

            046275674448c41615014cf770ee4f53

            SHA1

            4f51eb674e199d6b901aaffb55c4aeafb94acfb3

            SHA256

            3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

            SHA512

            db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

          • C:\Users\Admin\mexat.exe

            Filesize

            280KB

            MD5

            82682ce3385f8999601e3368436e05c5

            SHA1

            8376b04ca27a51764ecc446c6dcf3e1a7dfb2ba4

            SHA256

            2f4de0df7546154626bf2f039d01d102991f0404c9660e5fb755376507cc1b3e

            SHA512

            f0fd79bb99bba411f06b50d932e4081eefa579fe6e7756a05b98ae575ebcac1a95ff76d8031f593d012bb5c62f88f9c75bc8c956d666d49ce9fd86a287ee5ac3

          • C:\Users\Admin\mexat.exe

            Filesize

            280KB

            MD5

            82682ce3385f8999601e3368436e05c5

            SHA1

            8376b04ca27a51764ecc446c6dcf3e1a7dfb2ba4

            SHA256

            2f4de0df7546154626bf2f039d01d102991f0404c9660e5fb755376507cc1b3e

            SHA512

            f0fd79bb99bba411f06b50d932e4081eefa579fe6e7756a05b98ae575ebcac1a95ff76d8031f593d012bb5c62f88f9c75bc8c956d666d49ce9fd86a287ee5ac3

          • memory/3380-154-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/3380-157-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/3380-155-0x00000000008B0000-0x00000000008F6000-memory.dmp

            Filesize

            280KB

          • memory/3380-153-0x00000000008B0000-0x00000000008F6000-memory.dmp

            Filesize

            280KB

          • memory/3380-152-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB