Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 16:47

General

  • Target

    7f2bdb1df6b5b8df734c54cd79c4270de1e8222fc39c5ae4b460e2b3592f896c.exe

  • Size

    492KB

  • MD5

    3ca3937ae39a4bd28031bcea575709e7

  • SHA1

    db05b589efd07bc7a2b07e4bf87e2422dcec6694

  • SHA256

    7f2bdb1df6b5b8df734c54cd79c4270de1e8222fc39c5ae4b460e2b3592f896c

  • SHA512

    eeb6246b9a4103e5c97881529633748d5c8fdc760bbb074cf055865433fdad4eeab1bb9d9e65bdbc89a824fa134c707ddcb0bc91e7a2bc80fd5eedd2ec4755b9

  • SSDEEP

    12288:ljuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:lsUNl6yD2KXYWzj3rZQFz

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 53 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 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2bdb1df6b5b8df734c54cd79c4270de1e8222fc39c5ae4b460e2b3592f896c.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2bdb1df6b5b8df734c54cd79c4270de1e8222fc39c5ae4b460e2b3592f896c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4896
    • 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:4880
      • C:\Users\Admin\rwkaum.exe
        "C:\Users\Admin\rwkaum.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:3592
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1424
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2984
    • C:\Users\Admin\ayhost.exe
      C:\Users\Admin\ayhost.exe
      2⤵
      • Executes dropped EXE
      PID:2972
    • 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:4540
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:2104
      • C:\Users\Admin\djhost.exe
        C:\Users\Admin\djhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4332
      • 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:788
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4948
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 7f2bdb1df6b5b8df734c54cd79c4270de1e8222fc39c5ae4b460e2b3592f896c.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2476

    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\rwkaum.exe

      Filesize

      280KB

      MD5

      300600945b10eb3a8f65c5e636513672

      SHA1

      519d07b75ed3a3de65a2b445752f3c3ec612c66e

      SHA256

      53c843da27063adc1a561e2a43eda03fad18f5cc36d0c504ba21acf87c8cb572

      SHA512

      1d0a978e9fbbe1ebcaf5e82a07bfeec6aa1b7d5acd52e4a77490fb120cbdd27a51238b66274217a1a443ce550ab59c1c0e76a0a2ccbd7451ea93bac18678f336

    • C:\Users\Admin\rwkaum.exe

      Filesize

      280KB

      MD5

      300600945b10eb3a8f65c5e636513672

      SHA1

      519d07b75ed3a3de65a2b445752f3c3ec612c66e

      SHA256

      53c843da27063adc1a561e2a43eda03fad18f5cc36d0c504ba21acf87c8cb572

      SHA512

      1d0a978e9fbbe1ebcaf5e82a07bfeec6aa1b7d5acd52e4a77490fb120cbdd27a51238b66274217a1a443ce550ab59c1c0e76a0a2ccbd7451ea93bac18678f336

    • memory/788-163-0x0000000000000000-mapping.dmp

    • memory/1424-145-0x0000000000000000-mapping.dmp

    • memory/1724-170-0x0000000000000000-mapping.dmp

    • memory/2104-156-0x0000000000000000-mapping.dmp

    • memory/2476-169-0x0000000000000000-mapping.dmp

    • memory/2972-139-0x0000000000000000-mapping.dmp

    • memory/2984-148-0x0000000000000000-mapping.dmp

    • memory/3592-142-0x0000000000000000-mapping.dmp

    • memory/4332-158-0x0000000000000000-mapping.dmp

    • memory/4540-149-0x0000000000000000-mapping.dmp

    • memory/4540-157-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/4540-155-0x00000000020C0000-0x0000000002106000-memory.dmp

      Filesize

      280KB

    • memory/4540-154-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/4540-153-0x00000000020C0000-0x0000000002106000-memory.dmp

      Filesize

      280KB

    • memory/4540-152-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/4880-134-0x0000000000000000-mapping.dmp

    • memory/4948-171-0x0000000000000000-mapping.dmp

    • memory/5000-168-0x0000000000000000-mapping.dmp