Analysis

  • max time kernel
    123s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 13:00

General

  • Target

    Adminservices.exe

  • Size

    1.5MB

  • MD5

    d68c258f383ab0786b2ed6ebfec2b7ad

  • SHA1

    4900d52e4ea9179c28d870915a18f6dd10fdfa93

  • SHA256

    584c144d09b76173e49dcdf517526d26ef26959e447734612343d03d25145f5e

  • SHA512

    968c790aefa5072eb5603c3d29128e0db931098a499a84155b07c4f8b38b323332ad4fc0435f456c51e1ec177ba39d0ff085440d8966370b80bd12acd6cc46fd

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Checks processor information in registry 2 TTPs 15 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Adminservices.exe
    "C:\Users\Admin\AppData\Local\Temp\Adminservices.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Users\Admin\AppData\Local\Temp\Adminservices.exe
      "C:\Users\Admin\AppData\Local\Temp\Adminservices.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:420
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C cd "C:\Users\Admin\AppData\Roaming\IronPortCenter" & unzip.exe -o libraries.zip
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:912
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
          unzip.exe -o libraries.zip
          4⤵
          • Executes dropped EXE
          PID:1056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe /accepteula kernel > "C:\Users\Admin\AppData\Roaming\IronPortCenter\os_out"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1216
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
          C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe /accepteula kernel
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:1436
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo.exe -s /accepteula applications > "C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out"& "C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe" -s /accepteula applications >> "C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo.exe
          C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo.exe -s /accepteula applications
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:2364
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
          "C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe" -s /accepteula applications
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:2716
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe -d /accepteula processor > "C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out" & "C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe" /accepteula video >> "C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3884
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
          C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe -d /accepteula processor
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:4240
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
          "C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe" /accepteula video
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:4252
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C powershell "$s=(New-Object -COM WScript.Shell).CreateShortcut('%appdata%\Microsoft\Windows\Start Menu\Programs\Startup\IronPortCenter.lnk');$s.TargetPath='C:\Users\Admin\AppData\Local\Temp\Adminservices.exe';$s.Save()"
        3⤵
          PID:4420
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe x "C:\Users\Admin\AppData\Local\temp\chromium89.7z" -o"C:\Users\Admin\AppData\Roaming"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1168
          • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
            C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe x "C:\Users\Admin\AppData\Local\temp\chromium89.7z" -o"C:\Users\Admin\AppData\Roaming"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1948

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\temp\chromium89.7z
      MD5

      4c127ed294686a00b6bc414c3984c185

      SHA1

      128b851818a350e9ee46cd1ef7e8bb19dee759cd

      SHA256

      65f335226ab7d0b47d424aa3391c240352c25dddbc666b12c67c583140691d2c

      SHA512

      7cc88e3caabd42652030f441d867b577b7ab2fc1b7886f69c43745778918323d551ddd5e61218cfa54b2d40338cc2f111983ce583df9f1eb8aada530ce645aaf

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo.exe
      MD5

      624adb0f45cbb9cadad83c264df98891

      SHA1

      e839ce1e0446d8da889935f411f0fb7ad54d4b3e

      SHA256

      8f401dc021e20ff3abc64a2d346ef6a792a5643ca04ffd1f297e417532acaa06

      SHA512

      b29b3a72cd32ee34ec6ce357818658b8a89c399e2f8439a7f49fb1a506ed912f41afa19bc5c142c9a4539acc5966a29c6a6637c23de0dc3e5f2d85264620bdba

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo.exe
      MD5

      624adb0f45cbb9cadad83c264df98891

      SHA1

      e839ce1e0446d8da889935f411f0fb7ad54d4b3e

      SHA256

      8f401dc021e20ff3abc64a2d346ef6a792a5643ca04ffd1f297e417532acaa06

      SHA512

      b29b3a72cd32ee34ec6ce357818658b8a89c399e2f8439a7f49fb1a506ed912f41afa19bc5c142c9a4539acc5966a29c6a6637c23de0dc3e5f2d85264620bdba

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\libraries.zip
      MD5

      dc28d93d4ffd9849985c0dedf6425074

      SHA1

      224d0b1ddb2952372d66495e6432d826b3bfac02

      SHA256

      53515197bbbc76b3b7e6b0c5da2c078cc71d7c86208ca04ea5e5fca92547d2c2

      SHA512

      a91b78ecbcafd54e327700b494ef56ed85f270cba46765f5fcae3d4a8f9b80074a663c9d29e842ea55a7398cc650edec9a7667e0a1de87f43bf5f0a1f71cf1ff

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\mozglue.dll
      MD5

      beee632711993fe38cf290a9d301df42

      SHA1

      5c4b214cf77b0e781124b8295ec55263b90d0707

      SHA256

      f7e8d6214a4ffc3188adf133fcbe9f036571a6b6c90718eadbb10339f27c9d9b

      SHA512

      c00ebcc7b12ec456046f95e128cf23636d9fa2af6877a4e994858f8f97088f569dbd720f130db243e0f6f382b60b9636a52d151435f8d65c7eaab3025b1af97f

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\nss3.dll
      MD5

      0cab66732ed0978c1c5d2c378613c504

      SHA1

      8d3102b25a1fd36e0f9d4a33f05da107065f0e7a

      SHA256

      101f57145ea784442b4bc267fdfcfab754ee664ca974138838ece9fc4bb4c84d

      SHA512

      cc49bf303158788023295fb406eec9886b44297e3be5d06a1f14d793d09bf66609025731b2c6c97ade17e9c8d4da480d4ba53ac427dcc459fcae9678b8f767da

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\os_out
      MD5

      8d674deeaa4e2ce797b6e056ce30d430

      SHA1

      9a8cb27ea969b176df4f7f1abbd0c61036dcd1ed

      SHA256

      ba5336c6168c0ea808059fc8af68be1bce63a0215cbf064c172cb1e46816ce34

      SHA512

      311655dacec23f6aa25f26a7d59c86e9d47c4215de071d6d532cae8f4234cb7023f45d4dea40c7c1c05880c31de040f599f7947a7ba1ab113191f9f434db9370

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out
      MD5

      aa795045a7d4f971854bc16a95b8df35

      SHA1

      43b6609a2b243e009d8407237a2c2d1920a4f08a

      SHA256

      ad22a91841eeb7b41b9c7eb84c83f9ed92bd351feffa823cd08a7c85698698be

      SHA512

      2ddc4439e676c644e04df8ac858ad315a34f557a018f72ba28c2fe8d251d8fedee6ae3dc50e9df8436e7b08b938c8780b456ac16ce85f5dcfe032ef9f6f45e7e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\recon_out
      MD5

      dc186834061931d1eb3f05a1987cd904

      SHA1

      62a886281e422b2614d47fe3094f44a0a7bac8cc

      SHA256

      23fb82c10e3013d578e15ba4952aeaa3b1c915538de1e43a49020e9e10910944

      SHA512

      c10e5eda34d9eea7c3f0079178e9217e48cd87014cb42b749d5357622a41c31d7ec7865af6f278b44e4085f3c2e9954e8762066b8653b8435f70994489ba713c

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\sqlite3.dll
      MD5

      9502f3ae1cc9398671edfd461275d78d

      SHA1

      61e7dbbc8b44db32fa9d3841275718dbd163cd45

      SHA256

      badca203e5d4d79d2107b9ec2c64547157288a43932bb973719375e9ed8d5d12

      SHA512

      79d5e5875218bbc6288500c29b72845fb6427b9cefe9916c13c3301c0c7e02c21a576a597e74532b41932ec4343a21599c252ad5b34c547650f9c5f817ab09eb

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • \Users\Admin\AppData\Roaming\IronPortCenter\mozglue.dll
      MD5

      beee632711993fe38cf290a9d301df42

      SHA1

      5c4b214cf77b0e781124b8295ec55263b90d0707

      SHA256

      f7e8d6214a4ffc3188adf133fcbe9f036571a6b6c90718eadbb10339f27c9d9b

      SHA512

      c00ebcc7b12ec456046f95e128cf23636d9fa2af6877a4e994858f8f97088f569dbd720f130db243e0f6f382b60b9636a52d151435f8d65c7eaab3025b1af97f

    • \Users\Admin\AppData\Roaming\IronPortCenter\nss3.dll
      MD5

      0cab66732ed0978c1c5d2c378613c504

      SHA1

      8d3102b25a1fd36e0f9d4a33f05da107065f0e7a

      SHA256

      101f57145ea784442b4bc267fdfcfab754ee664ca974138838ece9fc4bb4c84d

      SHA512

      cc49bf303158788023295fb406eec9886b44297e3be5d06a1f14d793d09bf66609025731b2c6c97ade17e9c8d4da480d4ba53ac427dcc459fcae9678b8f767da

    • \Users\Admin\AppData\Roaming\IronPortCenter\sqlite3.dll
      MD5

      9502f3ae1cc9398671edfd461275d78d

      SHA1

      61e7dbbc8b44db32fa9d3841275718dbd163cd45

      SHA256

      badca203e5d4d79d2107b9ec2c64547157288a43932bb973719375e9ed8d5d12

      SHA512

      79d5e5875218bbc6288500c29b72845fb6427b9cefe9916c13c3301c0c7e02c21a576a597e74532b41932ec4343a21599c252ad5b34c547650f9c5f817ab09eb

    • memory/420-117-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/420-118-0x0000000000437122-mapping.dmp
    • memory/420-119-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/912-120-0x0000000000000000-mapping.dmp
    • memory/1056-121-0x0000000000000000-mapping.dmp
    • memory/1168-150-0x0000000000000000-mapping.dmp
    • memory/1216-125-0x0000000000000000-mapping.dmp
    • memory/1436-126-0x0000000000000000-mapping.dmp
    • memory/1864-136-0x0000000000000000-mapping.dmp
    • memory/1948-151-0x0000000000000000-mapping.dmp
    • memory/2364-137-0x0000000000000000-mapping.dmp
    • memory/2716-140-0x0000000000000000-mapping.dmp
    • memory/3704-115-0x0000000002230000-0x0000000002236000-memory.dmp
      Filesize

      24KB

    • memory/3704-116-0x0000000002230000-0x000000000223A000-memory.dmp
      Filesize

      40KB

    • memory/3884-143-0x0000000000000000-mapping.dmp
    • memory/4240-144-0x0000000000000000-mapping.dmp
    • memory/4252-146-0x0000000000000000-mapping.dmp
    • memory/4420-149-0x0000000000000000-mapping.dmp