Analysis

  • max time kernel
    643s
  • max time network
    1162s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20-07-2024 16:57

General

  • Target

    java.exe

  • Size

    912KB

  • MD5

    ded3e760ff8be2ba3644390356a06ecc

  • SHA1

    bf35f9633107ec72a57157f24c4f080ed9203dd6

  • SHA256

    8fe37b9605617ca26443064f74eaaf156f43c7ef80deaecdc71eb5688f4cc255

  • SHA512

    11b7d51395a6dd952a231f093b79df87a1de7e62be6d9a8aadf73dc4dd20c8557b636bafd50672cdb06607bfcffe713685f51f218b7679e07177a42ff931bc62

  • SSDEEP

    12288:c0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCjRzUefAUQGYppMku77dG1lFlWu:gOK4MROxnFHVorrcI0AilFEvxHjWQg

Malware Config

Extracted

Family

orcus

C2

0.tcp.eu.ngrok.io:10019

Mutex

a6fa2ae42e784c859e6a44e0e55cd75b

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcurs Rat Executable 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\java.exe
    "C:\Users\Admin\AppData\Local\Temp\java.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe"
      2⤵
        PID:2464
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\{0ff10221-8010-4e81-bb63-4c28435d6ef3}.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1488
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:3096
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo j "
          3⤵
            PID:3908
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" del "C:\Users\Admin\AppData\Local\Temp\java.exe""
            3⤵
              PID:3388
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo j "
              3⤵
                PID:1448
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" del C:\Users\Admin\AppData\Local\Temp\{0ff10221-8010-4e81-bb63-4c28435d6ef3}.bat"
                3⤵
                  PID:3896
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x00000000000004B8 0x00000000000004CC
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2684

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\{0ff10221-8010-4e81-bb63-4c28435d6ef3}.bat

              Filesize

              181B

              MD5

              5fc5bc7215a92a5dae4a7e9f74c5589f

              SHA1

              dd7bf153f34d3c8cef47d747515a102299977928

              SHA256

              6a40d878f18c13099a4bfe44806e2031769655fe200c423f39e3c35e81ebbb2b

              SHA512

              51f4933ebc319b6b5342c65c28a333209544b8c352688d39e5f7db045bc98c10b2c934eb4fc208c2252ba503402f5656b9eee14b398fae2e6571a42d0fa60237

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\ICSharpCode.SharpZipLib.dll

              Filesize

              196KB

              MD5

              c8164876b6f66616d68387443621510c

              SHA1

              7a9df9c25d49690b6a3c451607d311a866b131f4

              SHA256

              40b3d590f95191f3e33e5d00e534fa40f823d9b1bb2a9afe05f139c4e0a3af8d

              SHA512

              44a6accc70c312a16d0e533d3287e380997c5e5d610dbeaa14b2dbb5567f2c41253b895c9817ecd96c85d286795bbe6ab35fd2352fddd9d191669a2fb0774bc4

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\SharpDX.DXGI.dll

              Filesize

              125KB

              MD5

              2b44c70c49b70d797fbb748158b5d9bb

              SHA1

              93e00e6527e461c45c7868d14cf05c007e478081

              SHA256

              3762d43c83af69cd38c9341a927ca6bd00f6bae8217c874d693047d6df4705bf

              SHA512

              faced62f6ecbfa2ee0d7a47e300302d23030d1f28758cbe9c442e9d8d4f8359c59088aa6237a28103e43d248c8efc7eeaf2c184028701b752df6cce92d6854d0

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\SharpDX.Direct3D11.dll

              Filesize

              271KB

              MD5

              98eb5ba5871acdeaebf3a3b0f64be449

              SHA1

              c965284f60ef789b00b10b3df60ee682b4497de3

              SHA256

              d7617d926648849cbfef450b8f48e458ee52e2793fb2251a30094b778aa8848c

              SHA512

              a60025e304713d333e4b82b2d0be28087950688b049c98d2db5910c00b8d45b92e16d25ac8a58ff1318de019de3a9a00c7cbf8a6ad4b5bb1cb175dafa1b9bea2

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\SharpDX.Direct3D9.dll

              Filesize

              338KB

              MD5

              934da0e49208d0881c44fe19d5033840

              SHA1

              a19c5a822e82e41752a08d3bd9110db19a8a5016

              SHA256

              02da4af8cd4a8de19d816000caaae885e676b9e52f136ff071a279c2b8ad34c7

              SHA512

              de62f629c2299b50af62893244a28895d63b78138c8632449984306f45de16bd01076eadbb0d75a700215e970c1df731e202ea640236c0f0da6ed15146193b59

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\SharpDX.dll

              Filesize

              247KB

              MD5

              ffb4b61cc11bec6d48226027c2c26704

              SHA1

              fa8b9e344accbdc4dffa9b5d821d23f0716da29e

              SHA256

              061542ff3fb36039b7bbffdf3e07b66176b264c1dfd834a14b09c08620717303

              SHA512

              48aa6130bf1f5bd6de19256bbdf754c0158b43dd122cec47bb801a7a7b56f2da268bfdec24d135621764a23278ead3dcc35911a057e2dfa55a348bae8ef7b8a9

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\TurboJpegWrapper.dll

              Filesize

              1.3MB

              MD5

              ac6acc235ebef6374bed71b37e322874

              SHA1

              a267baad59cd7352167636836bad4b971fcd6b6b

              SHA256

              047b042cebf4c851f0d14f85f16ce952f03e48c20362d4ed9390875d4900fe96

              SHA512

              72ac8b8c8f27264cc261297c325d14a0be2084d007c6132ab8402d87f912fe9189cb074db11625d9f86d29a6188f22a89e58ae45c9131fac4522473567017081

            • C:\Users\Admin\AppData\Roaming\Orcus\lib_a6fa2ae42e784c859e6a44e0e55cd75b\x64\turbojpeg.dll

              Filesize

              662KB

              MD5

              b36cc7f7c7148a783fbed3493bc27954

              SHA1

              44b39651949a00cf2a5cbba74c3210b980ae81b4

              SHA256

              c1ce9a872d33fb8757c59b5cd1f26c93b9eeec3e3cf57162c29a0783e6222a38

              SHA512

              c987c689ecc2cc57350c74ee22b66cb543535bc17b790016ec6407c3d02c539a727f5c38e1451a201e8e7ccfcb4d4639780b6e68cd38b7e67b1b28034ad738a2

            • C:\Users\Admin\AppData\Roaming\Orcus\stp_a6fa2ae42e784c859e6a44e0e55cd75b\8da0584662c3451eb62fd2d5d4734ee4

              Filesize

              1.5MB

              MD5

              d49bbcf52fe93e9123ca4db9456ea3c5

              SHA1

              0dc2169eb1ee61315abe432d465c4028ec58d199

              SHA256

              8b245e0499064d33e7797b88246ad7ade7382f1700b550c8cdf2cf146b2e0b57

              SHA512

              1ec9116369357886522b07ed587be44cf0f4a2899fddd676d3223567fe07fd40f74bfcd84f656c558b188d3c09ad8054aa2461e4b4e236eb0e551a245539249c

            • memory/948-16-0x000000001D5E0000-0x000000001D7A2000-memory.dmp

              Filesize

              1.8MB

            • memory/948-79-0x0000000020930000-0x0000000020A1A000-memory.dmp

              Filesize

              936KB

            • memory/948-12-0x000000001C910000-0x000000001C928000-memory.dmp

              Filesize

              96KB

            • memory/948-13-0x00000000013C0000-0x00000000013D0000-memory.dmp

              Filesize

              64KB

            • memory/948-0-0x00007FFF91113000-0x00007FFF91115000-memory.dmp

              Filesize

              8KB

            • memory/948-19-0x00007FFF91113000-0x00007FFF91115000-memory.dmp

              Filesize

              8KB

            • memory/948-20-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-23-0x000000001C9D0000-0x000000001CA14000-memory.dmp

              Filesize

              272KB

            • memory/948-28-0x000000001CF80000-0x000000001CFCA000-memory.dmp

              Filesize

              296KB

            • memory/948-33-0x000000001D1C0000-0x000000001D21A000-memory.dmp

              Filesize

              360KB

            • memory/948-38-0x000000001C980000-0x000000001C9A6000-memory.dmp

              Filesize

              152KB

            • memory/948-43-0x000000001D7B0000-0x000000001D904000-memory.dmp

              Filesize

              1.3MB

            • memory/948-9-0x000000001C4B0000-0x000000001C4EC000-memory.dmp

              Filesize

              240KB

            • memory/948-8-0x000000001C450000-0x000000001C462000-memory.dmp

              Filesize

              72KB

            • memory/948-7-0x0000000001310000-0x0000000001318000-memory.dmp

              Filesize

              32KB

            • memory/948-6-0x00000000012F0000-0x00000000012F8000-memory.dmp

              Filesize

              32KB

            • memory/948-5-0x0000000001300000-0x0000000001312000-memory.dmp

              Filesize

              72KB

            • memory/948-4-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-74-0x00000000660C0000-0x000000006615C000-memory.dmp

              Filesize

              624KB

            • memory/948-77-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-78-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-10-0x000000001C600000-0x000000001C70A000-memory.dmp

              Filesize

              1.0MB

            • memory/948-80-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-83-0x0000000020740000-0x0000000020813000-memory.dmp

              Filesize

              844KB

            • memory/948-84-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-88-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-89-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB

            • memory/948-95-0x0000000020740000-0x0000000020813000-memory.dmp

              Filesize

              844KB

            • memory/948-108-0x000000001DA90000-0x000000001DC0A000-memory.dmp

              Filesize

              1.5MB

            • memory/948-3-0x00000000010A0000-0x00000000010AE000-memory.dmp

              Filesize

              56KB

            • memory/948-113-0x0000000020740000-0x0000000020813000-memory.dmp

              Filesize

              844KB

            • memory/948-161-0x0000000020840000-0x00000000208BD000-memory.dmp

              Filesize

              500KB

            • memory/948-166-0x0000000020840000-0x00000000208BD000-memory.dmp

              Filesize

              500KB

            • memory/948-194-0x000000001CDC0000-0x000000001CDFE000-memory.dmp

              Filesize

              248KB

            • memory/948-199-0x0000000001110000-0x0000000001126000-memory.dmp

              Filesize

              88KB

            • memory/948-204-0x000000001CE40000-0x000000001CE74000-memory.dmp

              Filesize

              208KB

            • memory/948-2-0x0000000001350000-0x00000000013AC000-memory.dmp

              Filesize

              368KB

            • memory/948-220-0x0000000020840000-0x00000000208BD000-memory.dmp

              Filesize

              500KB

            • memory/948-235-0x0000000020840000-0x00000000208BD000-memory.dmp

              Filesize

              500KB

            • memory/948-245-0x000000001F960000-0x000000001F9AE000-memory.dmp

              Filesize

              312KB

            • memory/948-250-0x00000000660C0000-0x000000006615C000-memory.dmp

              Filesize

              624KB

            • memory/948-1-0x00000000008B0000-0x000000000099A000-memory.dmp

              Filesize

              936KB

            • memory/948-257-0x00007FFF91110000-0x00007FFF91BD2000-memory.dmp

              Filesize

              10.8MB