Analysis

  • max time kernel
    34s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 11:05

General

  • Target

    MuddyWater.msi

  • Size

    2.6MB

  • MD5

    809334c0b55009c5a50f37e4eec63c43

  • SHA1

    24b60847bc0712c9ba0b8036c59ee16c211fa8bb

  • SHA256

    2722e289767ae391e3c3773b8640a8b9f6eb24c6a9d6e541f29c8765f7a8944b

  • SHA512

    a615b5ebce41db0ee6318d845daff393372fe4bf93d7f8af5f450df1ecdb9a9ebde9af39c40b5980b4d1002eb609ddffe6010247971842a855fd3922000322bd

  • SSDEEP

    49152:r51VAM5R2KAHlcp8qFmmzDza2Rqr+kMdPTEe/pjO8xn+ch/TzOFNOnUI:rPCMr2NMRmk/XeM9TEeRvx+ch/TzAr

Malware Config

Signatures

  • AteraAgent

    AteraAgent is a remote monitoring and management tool.

  • Detects AteraAgent 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 7 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 16 IoCs
  • Executes dropped EXE 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Loads dropped DLL 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 22 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\MuddyWater.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3336
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:548
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FEB63080C1F529406909B131AE446072
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI3A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240648515 2 AlphaControlAgentInstallation!AlphaControlAgentInstallation.CustomActions.ShouldContinueInstallation
        3⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4780
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7FE95450B404B534BCDE046F78A16725 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\SysWOW64\NET.exe
        "NET" STOP AteraAgent
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1048
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 STOP AteraAgent
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1252
      • C:\Windows\SysWOW64\TaskKill.exe
        "TaskKill.exe" /f /im AteraAgent.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4332
    • C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe
      "C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe" /i /IntegratorLogin="[email protected]" /CompanyId="1" /IntegratorLoginUI="" /CompanyIdUI="" /FolderId="" /AccountId="001Q3000008IyacIAC"
      2⤵
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:4640
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3316
  • C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe
    "C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe"
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" failure AteraAgent reset= 600 actions= restart/25000
      2⤵
      • Launches sc.exe
      PID:3444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57ffbe.rbs

    Filesize

    8KB

    MD5

    b26d65cf731a49d509a329dae7b341d8

    SHA1

    4d0b2acf4397ad94d2777cb683c5b7df1c6c0768

    SHA256

    a6c19d382446e9feed20169978461b13c56ebb3c03e3702867a50e6cb1f9bf7f

    SHA512

    37ea40289ea7448fbdbacb71f0425d47754a060ba9eb67224c5447068ea51c2c7d79b753ca60c2078da4279034b7460ce51e561c0edba998146a0132d6db2b8d

  • C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe

    Filesize

    140KB

    MD5

    2899046a979bf463b612b5a80defe438

    SHA1

    21feaa6f3fbb1afa7096c155d6b1908abf4ea3b9

    SHA256

    486b2c2b0ca934ab63a9cf9f4b660768ad34c8df85e6f070aec0b6a63f09b0d8

    SHA512

    8c60eb0d9e82326543f2fbcd08783e041a7f5598723666b1c9ea5df7808d0c4947e8e64c2dcd46331bc3dbc38c6ec8b85ed2fcc5b97eaf0465ea624167829368

  • C:\Program Files (x86)\ATERA Networks\AteraAgent\AteraAgent.exe.config

    Filesize

    1KB

    MD5

    b3bb71f9bb4de4236c26578a8fae2dcd

    SHA1

    1ad6a034ccfdce5e3a3ced93068aa216bd0c6e0e

    SHA256

    e505b08308622ad12d98e1c7a07e5dc619a2a00bcd4a5cbe04fe8b078bcf94a2

    SHA512

    fb6a46708d048a8f964839a514315b9c76659c8e1ab2cd8c5c5d8f312aa4fb628ab3ce5d23a793c41c13a2aa6a95106a47964dad72a5ecb8d035106fc5b7ba71

  • C:\Program Files (x86)\ATERA Networks\AteraAgent\Newtonsoft.Json.dll

    Filesize

    693KB

    MD5

    64e122b28a1e548c1cca376e32cdd248

    SHA1

    4506de40b8422c9be58333f35325a86674ca650c

    SHA256

    0ee2dd095b1cc4c3cda44a237a188e16c8614c107ad9d37ad8a581473ad42215

    SHA512

    36fc7dd056303822b23f9173b43522dee23431a419bdbae43a850e87f37b936b34ed2ef5013997d6d8b59d74627d55b0cc622da751d3ed828c850c7982a0d8fa

  • C:\Program Files (x86)\ATERA Networks\AteraAgent\Pubnub.dll

    Filesize

    588KB

    MD5

    82b17dc9838e1e21e5c6f53d2867e94a

    SHA1

    a09bfe6582bff9193337cc7dbab79d0b6b723205

    SHA256

    8e7210c1cd0955aeb4cbbdce362d4c450e0bf1be47bdf263fbf2789a4d98fd00

    SHA512

    c1b259655e2514449366f2d150d020a1eabb0e67af29c5e26c3a00f1d84d805216016c306d48e37354de09d4a056dc071c0d0d0d36f8ec9775843e6ae2712430

  • C:\Program Files (x86)\ATERA Networks\AteraAgent\log.txt

    Filesize

    169B

    MD5

    f67767d269e93e3107053855da7a1414

    SHA1

    6aeeff308ef37918c46eeb64404b5161b6347abc

    SHA256

    34f854a05bdb24f3806b71e96fbd6b2b29d5492afc7d04f1491098c0b3e7c70b

    SHA512

    9e0df883ce884ba4d44756257adfd0899bfd8e4568e6831cbaf689c5e131269e4669eeef009e381dc1529c155c0dbe44a67ba89ff3b644367d625de92641291c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

    Filesize

    471B

    MD5

    65e2192e4dc04fc206f436f9a86e1023

    SHA1

    6435da8290f576c8604ddcddbb40bacd19458c8e

    SHA256

    8df5fb73b8f3f863f2829e3911cd5446c5426437ec869bb87309c639ede8aec8

    SHA512

    215b8f9c268587b4ba022e2d5374cfaa0d680a7f5277db9207367a4d9387d91ddefb4686c4449a6e80e473be6d67ddb7d80247586401c4dce9656a5e17290a31

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_DEB07B5578A606ED6489DDA2E357A944

    Filesize

    727B

    MD5

    eeceb3251441abeae81509d5ce1626f4

    SHA1

    8fb5a5fafcbe46ec6eec7336a0c7d43fe7d65334

    SHA256

    037873c51f408c96c3d3ec8cd05d4550a965b3e449d12a078a2505041e43b0ff

    SHA512

    e6a93fb7f18e2074e2d7f1772277f8692a9acd8fa15bfc72ee1911c0484fa6f17f553dc945904373c41c5757ce9ec828318314c4a822c75a0d9cd3d06f50bc4e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

    Filesize

    727B

    MD5

    72db13da5fff7268cc2462be217daac9

    SHA1

    3eab5c472f6a341d752a3c38a9447db3eaeede10

    SHA256

    08441bff263e0edff40c3d7b80737a4bfc3a0c93832daf1166bb512045282735

    SHA512

    7d88cd7fc9371eae08d40e19f4d9f2204fa83716056d8ba5ba332eef278861907bc967b3e8f74c8a12e1be15f481ea7216c3ff669917943d462df3bc0c25de89

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

    Filesize

    400B

    MD5

    6fa4c4d6a60753ad2752885e7b13c337

    SHA1

    891728b00a3ad13c97d68b2e0c14c09d4218eacb

    SHA256

    7ebb715e6d52e02828ac6774df7c3da133aa56c6e2645da3f30574825c8594d2

    SHA512

    2e766d7893c49e0b2416bf61a7962dda7eca4fb010f7fe66d1429cb29b2586495d7a50f3e812bb0b7d428cd375c46027e57b0c550bfdaa92cb8ceda928251573

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_DEB07B5578A606ED6489DDA2E357A944

    Filesize

    404B

    MD5

    381833c62b56cc090a2eadb83bb52f5a

    SHA1

    04a691cb98497b69107cc9b5b19360b44c021012

    SHA256

    4c5ac8787137760148fac56f330879432f35b223eeb0c224ed4e58ecf8260152

    SHA512

    47785dc15930b4eff51d7e0782fbb1937034569957dec6035ce5c8c307138b61cbbeb50e0bf701db3fef4f384542998421f23bc66250d83eb739e70ff5a60ec6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

    Filesize

    412B

    MD5

    dfa1fba7367d6f08f1f147134dd9539f

    SHA1

    a57b63eaf51abaabf6eac039f1c1fab96589d78c

    SHA256

    e30479776eec9892613ac0d97198bebc7fe3e3fe52794cf40bb3888de766d65f

    SHA512

    55f93f29becf9ea983e40cff6014dfdf5f143d28535b9614810002014eb1a1d9eaeb76da25f7b0f9b609132763a82a0f06fa24c99c1a7817efedafda11830157

  • C:\Windows\Installer\MSI3A.tmp

    Filesize

    275KB

    MD5

    672e03b9d7a2d50f3e935909a198928b

    SHA1

    6cc8a45126243c6ad8a6336ef1789e6a8b5dd33f

    SHA256

    c4772f8a8761f052bd0336923539699ba2f358ac203beb197cda576146e05a0d

    SHA512

    bf5833ea48942319d560fb4dad62997fa5495e0d9c634361d919d3328364d0f4a999dfb56590d48227c3690d8a867b022f6d5fd01c46f27d2ad6421d88380372

  • C:\Windows\Installer\MSI3A.tmp-\AlphaControlAgentInstallation.dll

    Filesize

    19KB

    MD5

    4db38e9e80632af71e1842422d4b1873

    SHA1

    84fe0d85c263168487b4125e70cd698920f44c53

    SHA256

    4924aad650fa0f88c6fc6ca77068d73f70f0d0866a98212b615290ffb0b04efa

    SHA512

    9ce1e75b11e43369fe2320cf52bef856170385a8e898a934c735cb92a8399e5e612a54b248579687c372dae58e47e05d9095116313aea9555cf2358944252d77

  • C:\Windows\Installer\MSI3A.tmp-\Microsoft.Deployment.WindowsInstaller.dll

    Filesize

    179KB

    MD5

    1a5caea6734fdd07caa514c3f3fb75da

    SHA1

    f070ac0d91bd337d7952abd1ddf19a737b94510c

    SHA256

    cf06d4ed4a8baf88c82d6c9ae0efc81c469de6da8788ab35f373b350a4b4cdca

    SHA512

    a22dd3b7cf1c2edcf5b540f3daa482268d8038d468b8f00ca623d1c254affbbc1446e5bd42adc3d8e274be3ba776b0034e179faccd9ac8612ccd75186d1e3bf1

  • C:\Windows\Installer\MSI721.tmp

    Filesize

    211KB

    MD5

    a3ae5d86ecf38db9427359ea37a5f646

    SHA1

    eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

    SHA256

    c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

    SHA512

    96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0

  • C:\Windows\Installer\e57ffbd.msi

    Filesize

    2.6MB

    MD5

    809334c0b55009c5a50f37e4eec63c43

    SHA1

    24b60847bc0712c9ba0b8036c59ee16c211fa8bb

    SHA256

    2722e289767ae391e3c3773b8640a8b9f6eb24c6a9d6e541f29c8765f7a8944b

    SHA512

    a615b5ebce41db0ee6318d845daff393372fe4bf93d7f8af5f450df1ecdb9a9ebde9af39c40b5980b4d1002eb609ddffe6010247971842a855fd3922000322bd

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    24.1MB

    MD5

    8534078d20f28198de0b22ac8609087a

    SHA1

    bd1c6682358d1ad5a1fc2dcd830a780224b80216

    SHA256

    57f6c535e471132336f3ab08e1ce097eddfcac955a111ed95bff59c4d36e50fd

    SHA512

    d19b48026ff26ab58ed23a3033dd9f151d52139ae464af46ae829cbf4b2cbf3bc00bdab246a7a800fd50f1ed8914e41891b0231869c494a138172cd6532c9476

  • \??\Volume{fb297ba4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{24545ce8-f86e-41a9-9b34-00046689079b}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    7ba5ac14e628db7a8c03aa1d88c2eb9d

    SHA1

    3b41d0aa1d9308ddcd109c983a11205cf116ce09

    SHA256

    0a55a5e3a0ccc1c9ff9a5715214f15620d40026ef0e3b5119e279b15649bde51

    SHA512

    63887526ca10cb395af5fab51bc2cc9dd0a31dc3cec3f9a6c6bdd5a0f3ba2a1f91307a11335606b13ac9198590fe1b1f42a9bb9df20bff3857fc6305eab66426

  • memory/2568-130-0x000002AE1ECB0000-0x000002AE1ED62000-memory.dmp

    Filesize

    712KB

  • memory/2568-138-0x000002AE1EBF0000-0x000002AE1EC12000-memory.dmp

    Filesize

    136KB

  • memory/4640-95-0x00000166F4580000-0x00000166F4618000-memory.dmp

    Filesize

    608KB

  • memory/4640-99-0x00000166DA320000-0x00000166DA332000-memory.dmp

    Filesize

    72KB

  • memory/4640-100-0x00000166F4350000-0x00000166F438C000-memory.dmp

    Filesize

    240KB

  • memory/4640-83-0x00000166D9F00000-0x00000166D9F26000-memory.dmp

    Filesize

    152KB

  • memory/4780-45-0x00000000049A0000-0x0000000004A06000-memory.dmp

    Filesize

    408KB

  • memory/4780-44-0x0000000002590000-0x000000000259C000-memory.dmp

    Filesize

    48KB

  • memory/4780-40-0x0000000002550000-0x000000000257E000-memory.dmp

    Filesize

    184KB