Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 01:40

General

  • Target

    1d8cf8997c79b9d5b0dabbcf698ff8ad.exe

  • Size

    492KB

  • MD5

    1d8cf8997c79b9d5b0dabbcf698ff8ad

  • SHA1

    04295f6f916e45d41ec632ff4e3b844d3f77bfde

  • SHA256

    25a144002a8255a86b41f65977f80a7939384b7c4a18aa4c9aa14cb8d5210359

  • SHA512

    8955eb287d22ddf60c4c80dc4b4adc2726e54184e8e59d03b0ab5792cb88044f94e4d5ccaf39d2513a8e55d9100385d1ceb9872dbb33f005e522d640838fde1d

  • SSDEEP

    12288:yjuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:ysUNl6yD2KXYWzj3rZQFz

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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 7 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d8cf8997c79b9d5b0dabbcf698ff8ad.exe
    "C:\Users\Admin\AppData\Local\Temp\1d8cf8997c79b9d5b0dabbcf698ff8ad.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\d3s3Jf2gX6.exe
      C:\Users\Admin\d3s3Jf2gX6.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Users\Admin\seaiqur.exe
        "C:\Users\Admin\seaiqur.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
        • Suspicious use of WriteProcessMemory
        PID:4888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3188
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:672
    • C:\Users\Admin\ayhost.exe
      C:\Users\Admin\ayhost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Users\Admin\ayhost.exe
        ayhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2764
    • 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:820
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:400
      • C:\Users\Admin\djhost.exe
        C:\Users\Admin\djhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2092
      • C:\Users\Admin\ekhost.exe
        C:\Users\Admin\ekhost.exe
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3464
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1868
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 1d8cf8997c79b9d5b0dabbcf698ff8ad.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1628
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4948

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • 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\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\ekhost.exe

      Filesize

      24KB

      MD5

      046275674448c41615014cf770ee4f53

      SHA1

      4f51eb674e199d6b901aaffb55c4aeafb94acfb3

      SHA256

      3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

      SHA512

      db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

    • C:\Users\Admin\seaiqur.exe

      Filesize

      280KB

      MD5

      7bed818c5b5615e5ca44cd59dae9e2a9

      SHA1

      294a4af5716255a28e7f3f4aa6e18996a059d36b

      SHA256

      3923552b946d8e96dc01664ebe43143746d91026ebac3c1eccb1bbc12911de4c

      SHA512

      5e3709ff9f5d8f5a858e28a8423e6be037b41bc4089bd779cfb84cdf2ff4f915703ac333a37698eea186bd9c14d047eac6d8b9bee345c355fba4bf2e4e4be549

    • memory/820-58-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2588-49-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/2764-46-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2764-52-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2764-53-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2764-51-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2764-45-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB