Resubmissions

03-10-2024 21:19

241003-z6m9fsxcjn 10

03-10-2024 21:14

241003-z3g82azhmb 10

03-10-2024 21:10

241003-z1h3jszglg 10

03-10-2024 21:03

241003-zv1emszeje 10

Analysis

  • max time kernel
    430s
  • max time network
    1149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-10-2024 21:19

General

  • Target

    snos.exe

  • Size

    916KB

  • MD5

    defc2abbed64bb0a53c7b9fa04d9d114

  • SHA1

    926cbb5e1d9ea1249aa034afa5d0e510322b5ee6

  • SHA256

    4a5b24522b79e54b2c901946eb492dac5bf83631681a2d99b1f6b303268e0580

  • SHA512

    00084691a0ae0c52aac630a1fca9bca0fb245ad4597c99b12016119ce289500002c6b23e47bfcd2bc220c26068615c972b8e5551b0b3dd721fd06c6387e0d842

  • SSDEEP

    24576:NVWC4MROxnFD3krXYf1rrcI0AilFEvxHPdmoo6:NqMiJtrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

C2

45.200.148.205:10134

Mutex

2857e61aa1024db89df5be17078af5ab

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %programfiles%\sistemwinhost\winhost1235.exe

  • reconnect_delay

    10000

  • registry_keyname

    registry

  • taskscheduler_taskname

    registre

  • watchdog_path

    AppData\Servicemanagaer.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\snos.exe
    "C:\Users\Admin\AppData\Local\Temp\snos.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:4764
    • C:\Program Files (x86)\sistemwinhost\winhost1235.exe
      "C:\Program Files (x86)\sistemwinhost\winhost1235.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
        "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /launchSelfAndExit "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 4700 /protectFile
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
          "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /watchProcess "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 4700 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1256
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --uninstall
        3⤵
        • Executes dropped EXE
        PID:1452
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\{7f0de462-2ad5-49ad-9e40-383a4ff80492}.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4392
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4768
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2216
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" del "C:\Program Files (x86)\sistemwinhost\winhost1235.exe""
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1064
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2056
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" del C:\Users\Admin\AppData\Local\Temp\{7f0de462-2ad5-49ad-9e40-383a4ff80492}.bat"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2428
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    PID:3748
  • C:\Program Files (x86)\sistemwinhost\winhost1235.exe
    "C:\Program Files (x86)\sistemwinhost\winhost1235.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\sistemwinhost\winhost1235.exe

    Filesize

    916KB

    MD5

    defc2abbed64bb0a53c7b9fa04d9d114

    SHA1

    926cbb5e1d9ea1249aa034afa5d0e510322b5ee6

    SHA256

    4a5b24522b79e54b2c901946eb492dac5bf83631681a2d99b1f6b303268e0580

    SHA512

    00084691a0ae0c52aac630a1fca9bca0fb245ad4597c99b12016119ce289500002c6b23e47bfcd2bc220c26068615c972b8e5551b0b3dd721fd06c6387e0d842

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\WindowsInput.exe.log

    Filesize

    2KB

    MD5

    0d48e80035a2b861e6d380b3065c3434

    SHA1

    49dbfea360a21b0d4708c29b56ad61c137e77a07

    SHA256

    60256d3546a7af694283a7067a4632e3969c845a0d7620af0495760674f5f858

    SHA512

    2b77a2268602964069eea7dd625df29b35581bef015af4d3bbc3c8cecb48d34fbee60dcadb16f1a3e4d0bf34a0a6de394d60687edb7f005a82b6083b810f8544

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Servicemanagaer.exe.log

    Filesize

    425B

    MD5

    bb27934be8860266d478c13f2d65f45e

    SHA1

    a69a0e171864dcac9ade1b04fc0313e6b4024ccb

    SHA256

    85ad0d9909461517acf2e24ff116ca350e9b7000b4eefb23aa3647423c9745b4

    SHA512

    87dd77feac509a25b30c76c119752cc25020cca9c53276c2082aef2a8c75670ef67e1e70024a63d44ae442b64f4bc464aee6691e80c525376bb7421929cfa3bb

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\winhost1235.exe.log

    Filesize

    1KB

    MD5

    23095077e59941121be408de05f8843b

    SHA1

    6a85a4fb6a47e96b4c65f8849647ff486273b513

    SHA256

    49cc85a6bad5faf998eae8f1156e4a3cdd0273ff30a7828f5545689eb22e3fe5

    SHA512

    05644cd4aa2128e4c40993e4033ae3102705ee27c157d8376180c81e58b61c2801ca8deed6a256c79bc409e40f9ab5c66e2b2492f6c60871fb575eb6cce73211

  • C:\Users\Admin\AppData\Local\Temp\{7f0de462-2ad5-49ad-9e40-383a4ff80492}.bat

    Filesize

    191B

    MD5

    44bd3e7628ce70d53bef004a039fc63b

    SHA1

    fb13d12ee2c28e8f8d04572f8bb89ef34129e72f

    SHA256

    238a5810ef84f37388dbd475104c75646aeca04917b3df3b4ee0ae7e8861d049

    SHA512

    85c7b2f6a6cc3917b66f6ac81a270ed9677cc5a6106d8975f5af792d568c5cf9b9ce0c3768dbebecbe13233bff5c3c562e73f3c889f873697093c55f8bfd8415

  • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Windows\SysWOW64\WindowsInput.InstallState

    Filesize

    7KB

    MD5

    362ce475f5d1e84641bad999c16727a0

    SHA1

    6b613c73acb58d259c6379bd820cca6f785cc812

    SHA256

    1f78f1056761c6ebd8965ed2c06295bafa704b253aff56c492b93151ab642899

    SHA512

    7630e1629cf4abecd9d3ddea58227b232d5c775cb480967762a6a6466be872e1d57123b08a6179fe1cfbc09403117d0f81bc13724f259a1d25c1325f1eac645b

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/404-49-0x0000000074500000-0x0000000074CB1000-memory.dmp

    Filesize

    7.7MB

  • memory/404-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/404-1-0x0000000000140000-0x000000000022A000-memory.dmp

    Filesize

    936KB

  • memory/404-2-0x00000000027F0000-0x00000000027FE000-memory.dmp

    Filesize

    56KB

  • memory/404-3-0x0000000074500000-0x0000000074CB1000-memory.dmp

    Filesize

    7.7MB

  • memory/404-4-0x0000000004C80000-0x0000000004CDC000-memory.dmp

    Filesize

    368KB

  • memory/404-5-0x00000000053D0000-0x0000000005976000-memory.dmp

    Filesize

    5.6MB

  • memory/404-6-0x0000000004EC0000-0x0000000004F52000-memory.dmp

    Filesize

    584KB

  • memory/404-8-0x0000000005360000-0x0000000005382000-memory.dmp

    Filesize

    136KB

  • memory/404-7-0x0000000004E60000-0x0000000004E72000-memory.dmp

    Filesize

    72KB

  • memory/1924-69-0x0000000000790000-0x0000000000798000-memory.dmp

    Filesize

    32KB

  • memory/3748-33-0x000000001A980000-0x000000001AA8A000-memory.dmp

    Filesize

    1.0MB

  • memory/3748-83-0x00007FFA64010000-0x00007FFA64AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/3748-89-0x00007FFA64010000-0x00007FFA64AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/3748-32-0x00007FFA64010000-0x00007FFA64AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4700-50-0x0000000005FC0000-0x000000000600E000-memory.dmp

    Filesize

    312KB

  • memory/4700-53-0x00000000067F0000-0x0000000006808000-memory.dmp

    Filesize

    96KB

  • memory/4700-79-0x0000000007E00000-0x0000000007E4C000-memory.dmp

    Filesize

    304KB

  • memory/4700-80-0x0000000007F60000-0x000000000806A000-memory.dmp

    Filesize

    1.0MB

  • memory/4700-78-0x0000000007DC0000-0x0000000007DFC000-memory.dmp

    Filesize

    240KB

  • memory/4700-75-0x00000000079B0000-0x0000000007A16000-memory.dmp

    Filesize

    408KB

  • memory/4700-76-0x00000000083A0000-0x00000000089B8000-memory.dmp

    Filesize

    6.1MB

  • memory/4700-77-0x0000000007980000-0x0000000007992000-memory.dmp

    Filesize

    72KB

  • memory/4700-51-0x0000000006060000-0x0000000006078000-memory.dmp

    Filesize

    96KB

  • memory/4700-55-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

    Filesize

    40KB

  • memory/4700-54-0x00000000069B0000-0x00000000069C0000-memory.dmp

    Filesize

    64KB

  • memory/4700-81-0x00000000089C0000-0x0000000008B82000-memory.dmp

    Filesize

    1.8MB

  • memory/4764-30-0x00007FFA64010000-0x00007FFA64AD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4764-25-0x0000000002510000-0x000000000254C000-memory.dmp

    Filesize

    240KB

  • memory/4764-24-0x0000000002330000-0x0000000002342000-memory.dmp

    Filesize

    72KB

  • memory/4764-23-0x00007FFA64013000-0x00007FFA64015000-memory.dmp

    Filesize

    8KB

  • memory/4764-22-0x0000000000130000-0x000000000013C000-memory.dmp

    Filesize

    48KB

  • memory/4764-26-0x00007FFA64010000-0x00007FFA64AD2000-memory.dmp

    Filesize

    10.8MB