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
    421s
  • max time network
    1145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3708
    • C:\Program Files (x86)\sistemwinhost\winhost1235.exe
      "C:\Program Files (x86)\sistemwinhost\winhost1235.exe"
      2⤵
      • Checks computer location settings
      • 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:3844
      • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
        "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /launchSelfAndExit "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 3844 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2276
        • C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe
          "C:\Users\Admin\AppData\Roaming\Servicemanagaer.exe" /watchProcess "C:\Program Files (x86)\sistemwinhost\winhost1235.exe" 3844 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3484
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --uninstall
        3⤵
        • Executes dropped EXE
        PID:2952
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\{613c0e96-892d-44af-9ac3-261213a17092}.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2108
        • 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:3116
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3600
        • 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:4840
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1140
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" del C:\Users\Admin\AppData\Local\Temp\{613c0e96-892d-44af-9ac3-261213a17092}.bat"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:720
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    PID:3316
  • 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:3896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    78ffbfd38b4ab75e03596bbb2d321e25

    SHA1

    1b99ba3cfa6389b8483b36b28836aca4773845e4

    SHA256

    6a6a889f671eea1112a70756ae849bc1c32357ac2818bfa79db84bbbb9813a5d

    SHA512

    e18ff531f792282d0efa0d4264daa36e2d0112ac6d06eabfeb98ffd78570583a602defe3e71332d8801294dc90a2af9a8cdc1e1d0b9c5d0264c584d775cf0243

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    1KB

    MD5

    0672db2ef13237d5cb85075ff4915942

    SHA1

    ad8b4d3eb5e40791c47d48b22e273486f25f663f

    SHA256

    0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

    SHA512

    84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

  • C:\Users\Admin\AppData\Local\Temp\{613c0e96-892d-44af-9ac3-261213a17092}.bat

    Filesize

    191B

    MD5

    81cab3259530f24c45c7c78ef8400ebc

    SHA1

    67b89f8e9f56384b23e4763249be0b9199de704c

    SHA256

    22392aa07c3b9c360b14f87fcdb9d648b8150a81217e89e10b8d08025a63e85b

    SHA512

    762024adc060de0df9557b719e2788a97eba98d16bbfdb002cb4f5fc2fa80ebce7ff3df01c23a7c4b906b07f0287b935ac1a24c3053a0a237f72273930b23778

  • 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/2276-69-0x0000000000520000-0x0000000000528000-memory.dmp

    Filesize

    32KB

  • memory/2300-6-0x0000000005890000-0x0000000005922000-memory.dmp

    Filesize

    584KB

  • memory/2300-49-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2300-7-0x0000000005870000-0x0000000005882000-memory.dmp

    Filesize

    72KB

  • memory/2300-8-0x0000000005E10000-0x0000000005E32000-memory.dmp

    Filesize

    136KB

  • memory/2300-0-0x000000007524E000-0x000000007524F000-memory.dmp

    Filesize

    4KB

  • memory/2300-5-0x0000000005F90000-0x0000000006534000-memory.dmp

    Filesize

    5.6MB

  • memory/2300-3-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2300-1-0x0000000000CA0000-0x0000000000D8A000-memory.dmp

    Filesize

    936KB

  • memory/2300-2-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/2300-4-0x00000000056F0000-0x000000000574C000-memory.dmp

    Filesize

    368KB

  • memory/3316-89-0x00007FFDBC990000-0x00007FFDBD451000-memory.dmp

    Filesize

    10.8MB

  • memory/3316-83-0x00007FFDBC990000-0x00007FFDBD451000-memory.dmp

    Filesize

    10.8MB

  • memory/3316-33-0x000000001B010000-0x000000001B11A000-memory.dmp

    Filesize

    1.0MB

  • memory/3316-32-0x00007FFDBC990000-0x00007FFDBD451000-memory.dmp

    Filesize

    10.8MB

  • memory/3708-22-0x0000000000680000-0x000000000068C000-memory.dmp

    Filesize

    48KB

  • memory/3708-30-0x00007FFDBC990000-0x00007FFDBD451000-memory.dmp

    Filesize

    10.8MB

  • memory/3708-23-0x00007FFDBC993000-0x00007FFDBC995000-memory.dmp

    Filesize

    8KB

  • memory/3708-24-0x0000000002610000-0x0000000002622000-memory.dmp

    Filesize

    72KB

  • memory/3708-26-0x00007FFDBC990000-0x00007FFDBD451000-memory.dmp

    Filesize

    10.8MB

  • memory/3708-25-0x00000000026A0000-0x00000000026DC000-memory.dmp

    Filesize

    240KB

  • memory/3844-75-0x0000000007640000-0x00000000076A6000-memory.dmp

    Filesize

    408KB

  • memory/3844-77-0x00000000075D0000-0x00000000075E2000-memory.dmp

    Filesize

    72KB

  • memory/3844-78-0x0000000007A10000-0x0000000007A4C000-memory.dmp

    Filesize

    240KB

  • memory/3844-79-0x00000000076B0000-0x00000000076FC000-memory.dmp

    Filesize

    304KB

  • memory/3844-80-0x0000000007BB0000-0x0000000007CBA000-memory.dmp

    Filesize

    1.0MB

  • memory/3844-81-0x0000000008650000-0x0000000008812000-memory.dmp

    Filesize

    1.8MB

  • memory/3844-50-0x0000000006210000-0x000000000625E000-memory.dmp

    Filesize

    312KB

  • memory/3844-76-0x0000000008030000-0x0000000008648000-memory.dmp

    Filesize

    6.1MB

  • memory/3844-55-0x0000000006C60000-0x0000000006C6A000-memory.dmp

    Filesize

    40KB

  • memory/3844-51-0x00000000062A0000-0x00000000062B8000-memory.dmp

    Filesize

    96KB

  • memory/3844-53-0x0000000006470000-0x0000000006488000-memory.dmp

    Filesize

    96KB

  • memory/3844-54-0x0000000006630000-0x0000000006640000-memory.dmp

    Filesize

    64KB