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
    616s
  • max time network
    1589s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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 3 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:3716
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3680
    • 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:4336
      • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
        "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /launchSelfAndExit "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 4336 /protectFile
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
          "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /watchProcess "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 4336 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1828
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --uninstall
        3⤵
        • Executes dropped EXE
        PID:4396
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\{bd35641a-a39b-40af-899d-030c23e61cd9}.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2932
        • 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:5072
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2136
        • 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:4672
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4284
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" del C:\Users\Admin\AppData\Local\Temp\{bd35641a-a39b-40af-899d-030c23e61cd9}.bat"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5016
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2504
  • 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:2152

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

    82d29de4a05b2859fdb0fe8e83c92386

    SHA1

    6d846ac57c786997225f0313c828b1d4314d638b

    SHA256

    818f3686cc36791e10fc3f06ce870feecffa13fb9f085e41f4eb5b6e6e4f3d0d

    SHA512

    8b1b2ff4460c2ae3918dde42e4f7c1f4dc8621c6c8cca6680385b9bb535d70a859205fd6563a77f613e5a140b429157dfa0b4a9cf1eb67b3686b8c00dcde1aae

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

    Filesize

    425B

    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

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

    Filesize

    1KB

    MD5

    ffd902e08e4e54268965cefe27b84f6f

    SHA1

    41b40fc6a6a6bb39b6f76aeb15458dc138239e2b

    SHA256

    447edcc4add6e5b511db6ae45799031da4df6d573be2e14c3e43385326307075

    SHA512

    bdfebe3bd42db65f54a00e23a9f32910f2c4bf4883c2b150aea7c8300488f3ea8903c21cfd6167f231085375d6a3622646ed77c4dd4dee9ea7c8bdda00fc3832

  • C:\Users\Admin\AppData\Local\Temp\{bd35641a-a39b-40af-899d-030c23e61cd9}.bat

    Filesize

    191B

    MD5

    9d014fd389fd4c8df7626aff39408f09

    SHA1

    3bbc4e39a4a86359f808dfca98fcbcbaa013f417

    SHA256

    11b20fb4b2ca7307423c9a9f15cd00f4cb434944ea9d5bb7ad29d46cca422cad

    SHA512

    005b36fba8d1d003f1b8c1fcf8516544e5feaa2b31dafb11e75fd8cad6f7045160b7b3eb343bd047c33d96abc386f625f2c5c32fc4f93225099c7c8d4bf387ff

  • 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/2504-26-0x000000001A5E0000-0x000000001A6EA000-memory.dmp

    Filesize

    1.0MB

  • memory/3680-17-0x0000000000650000-0x000000000065C000-memory.dmp

    Filesize

    48KB

  • memory/3680-24-0x00007FFF2E020000-0x00007FFF2EA0C000-memory.dmp

    Filesize

    9.9MB

  • memory/3680-16-0x00007FFF2E023000-0x00007FFF2E024000-memory.dmp

    Filesize

    4KB

  • memory/3680-18-0x00000000026D0000-0x00000000026E2000-memory.dmp

    Filesize

    72KB

  • memory/3680-19-0x0000000002770000-0x00000000027AE000-memory.dmp

    Filesize

    248KB

  • memory/3680-20-0x00007FFF2E020000-0x00007FFF2EA0C000-memory.dmp

    Filesize

    9.9MB

  • memory/3716-6-0x0000000005710000-0x00000000057A2000-memory.dmp

    Filesize

    584KB

  • memory/3716-0-0x00000000737BE000-0x00000000737BF000-memory.dmp

    Filesize

    4KB

  • memory/3716-2-0x00000000031C0000-0x00000000031CE000-memory.dmp

    Filesize

    56KB

  • memory/3716-36-0x00000000737B0000-0x0000000073E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/3716-5-0x0000000005C10000-0x000000000610E000-memory.dmp

    Filesize

    5.0MB

  • memory/3716-7-0x00000000056E0000-0x00000000056F2000-memory.dmp

    Filesize

    72KB

  • memory/3716-8-0x0000000006140000-0x0000000006162000-memory.dmp

    Filesize

    136KB

  • memory/3716-4-0x0000000005550000-0x00000000055AC000-memory.dmp

    Filesize

    368KB

  • memory/3716-1-0x0000000000C70000-0x0000000000D5A000-memory.dmp

    Filesize

    936KB

  • memory/3716-3-0x00000000737B0000-0x0000000073E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/4336-41-0x0000000005FA0000-0x0000000005FB0000-memory.dmp

    Filesize

    64KB

  • memory/4336-56-0x0000000007240000-0x00000000072A6000-memory.dmp

    Filesize

    408KB

  • memory/4336-57-0x00000000079C0000-0x0000000007FC6000-memory.dmp

    Filesize

    6.0MB

  • memory/4336-58-0x00000000073D0000-0x00000000073E2000-memory.dmp

    Filesize

    72KB

  • memory/4336-59-0x0000000007430000-0x000000000746E000-memory.dmp

    Filesize

    248KB

  • memory/4336-60-0x0000000007470000-0x00000000074BB000-memory.dmp

    Filesize

    300KB

  • memory/4336-61-0x0000000007600000-0x000000000770A000-memory.dmp

    Filesize

    1.0MB

  • memory/4336-62-0x0000000007FD0000-0x0000000008192000-memory.dmp

    Filesize

    1.8MB

  • memory/4336-42-0x0000000006580000-0x000000000658A000-memory.dmp

    Filesize

    40KB

  • memory/4336-37-0x00000000056F0000-0x000000000573E000-memory.dmp

    Filesize

    312KB

  • memory/4336-38-0x0000000005760000-0x0000000005778000-memory.dmp

    Filesize

    96KB

  • memory/4336-40-0x0000000005DE0000-0x0000000005DF8000-memory.dmp

    Filesize

    96KB

  • memory/4616-50-0x0000000000E50000-0x0000000000E58000-memory.dmp

    Filesize

    32KB