Analysis

  • max time kernel
    125s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • submitted
    28/09/2024, 22:17

General

  • Target
    5f58e87fee021cbaa9ecfae2d5f8709bd0934b2d2d2779a8f24993425fb20350.exe
  • Size 1.6MB
  • Sample240928-17mvraydmk
  • SHA256 5f58e87fee021cbaa9ecfae2d5f8709bd0934b2d2d2779a8f24993425fb20350
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • rhadamanthys

C2
  • https://51.75.171.9:5151/9640d96bbead45f349f3ab9/nvkjh5gq.0x2e8

Signatures

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Rhadamanthys family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2608
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:452
    • C:\Users\Admin\AppData\Local\Temp\5f58e87fee021cbaa9ecfae2d5f8709bd0934b2d2d2779a8f24993425fb20350.exe
      "C:\Users\Admin\AppData\Local\Temp\5f58e87fee021cbaa9ecfae2d5f8709bd0934b2d2d2779a8f24993425fb20350.exe"
      1⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3656
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\rmxb.vbe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ipconfig /release
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1336
          • C:\Windows\SysWOW64\ipconfig.exe
            ipconfig /release
            4⤵
            • System Location Discovery: System Language Discovery
            • Gathers network information
            PID:3720
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c qwlvpmrupf.mp3 tnlupe.mp3
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3988
          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\qwlvpmrupf.mp3
            qwlvpmrupf.mp3 tnlupe.mp3
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2124
            • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
              "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
              5⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4760
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ipconfig /renew
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:840
          • C:\Windows\SysWOW64\ipconfig.exe
            ipconfig /renew
            4⤵
            • System Location Discovery: System Language Discovery
            • Gathers network information
            PID:4224
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3004 /prefetch:8
      1⤵
        PID:4988

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            anxv.ppt

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\anxv.ppt
            • Size 508B
            • SHA256 36568784a413d46056fac31e259c41f4429f08b1564a72ceb777cc80a0aa9f1c
            • MD5 SHA1 SHA512

            bvtesegdgq.3gp

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bvtesegdgq.3gp
            • Size 624B
            • SHA256 d8abe1326e449ca4d9c330a900ce393ee32101793d91e7f556d0c87e77adba0c
            • MD5 SHA1 SHA512

            crbvulcpak.msc

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\crbvulcpak.msc
            • Size 528B
            • SHA256 58412d427987a11c362fc7d921804f58277c3a5e4ea7ce98d4dc260e9aeb6302
            • MD5 SHA1 SHA512

            iutol.das

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\iutol.das
            • Size 532B
            • SHA256 ecb2d582d697d033a5e5bd06387df5725af74707c0e4b596d564be2bdb1221a7
            • MD5 SHA1 SHA512

            jmfhuve.bin

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jmfhuve.bin
            • Size 609B
            • SHA256 d078345688738bc731ee73004ac6ad2670cfd6343b570fa5b7c0ab7ad30f0b48
            • MD5 SHA1 SHA512

            jwphnktqhh.xl

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jwphnktqhh.xl
            • Size 522B
            • SHA256 df4f76d702170095fa752d69f1ab793604e9dcce7adcad7c83fdae623f0c0093
            • MD5 SHA1 SHA512

            ldrtopp.msc

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ldrtopp.msc
            • Size 586B
            • SHA256 774c4cc458e33020b29fa28fc91db540c86f55142d716ca1613da20670435198
            • MD5 SHA1 SHA512

            ltmdgplto.3gp

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ltmdgplto.3gp
            • Size 588B
            • SHA256 9401c3d0cbd1fbb5fb740ea9eff7b4f7af764574a6cbc487c97f99f610ba9852
            • MD5 SHA1 SHA512

            nbmn.lmk

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nbmn.lmk
            • Size 1.3MB
            • SHA256 51e725c19b88d14e3d978b54d810398993242c959145f323fde92cfa55557ada
            • MD5 SHA1 SHA512 SSDEEP

            nhjdnx.3gp

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nhjdnx.3gp
            • Size 579B
            • SHA256 a1c8b7a1408638a385956edaaf4ec1defb98e94784a5aeaec9f63fd24cf3f83b
            • MD5 SHA1 SHA512

            opioxoqv.bmp

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\opioxoqv.bmp
            • Size 512B
            • SHA256 b75166289cc3acd2e7ecb722f91792cead7bccbe5d230a3aaf211c2027f7e8b4
            • MD5 SHA1 SHA512

            qbjid.xls

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qbjid.xls
            • Size 562B
            • SHA256 613c53a8e742366747a9253dd19fab2527258f08e40699aaab85d920787a717b
            • MD5 SHA1 SHA512

            qlgigdt.xls

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qlgigdt.xls
            • Size 648B
            • SHA256 0988ff10c9f291f32009ca04929c0156a0e10c5003d30ae266b865e56c064b17
            • MD5 SHA1 SHA512

            qlmgqepgjl.xls

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qlmgqepgjl.xls
            • Size 633B
            • SHA256 5badefdf6c9490d5ed3a5181bb87a30536776827bf7a155957c62b01028fd4fb
            • MD5 SHA1 SHA512

            qwlvpmrupf.mp3

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qwlvpmrupf.mp3
            • Size 925KB
            • SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
            • MD5 SHA1 SHA512 SSDEEP

            rmxb.vbe

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\rmxb.vbe
            • Size 88KB
            • SHA256 d47ed1047e043162e221d1a21b5e19d8a24641442bcb17c6c8a51f9456998751
            • MD5 SHA1 SHA512 SSDEEP

            srnkdleah.exe

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\srnkdleah.exe
            • Size 609B
            • SHA256 056d4c251de76715737124ccb63e6652840ee3ee66a41f45b109b3f413ee864b
            • MD5 SHA1 SHA512

            uraspfn.bin

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\uraspfn.bin
            • Size 40KB
            • SHA256 fd491ea65d887c3f3fc2aac3197280e4135c8f571b7d6df63212097783254ea5
            • MD5 SHA1 SHA512 SSDEEP

            uraspfn.bin

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\uraspfn.bin
            • Size 40KB
            • SHA256 762982a2b57b2a93dd63fbf230da414b6c3abc6240d4b0af7bb940dc81b74512
            • MD5 SHA1 SHA512 SSDEEP

            wbaxv.jpg

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wbaxv.jpg
            • Size 517B
            • SHA256 c2b1869137e2e69e3969c50a0918eb71c5797f84faf4093aef0c890957a193ea
            • MD5 SHA1 SHA512

            xddkunhuro.msc

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\xddkunhuro.msc
            • Size 507B
            • SHA256 a8a5116542d33261544e18c4431c11a45f77ab24a7f06a2c1d06480066ec6e62
            • MD5 SHA1 SHA512

            RegSvcs.exe

            • Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
            • Size 44KB
            • SHA256 2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390
            • MD5 SHA1 SHA512 SSDEEP

            memory/452-140-0x0000000000B10000-0x0000000000B19000-memory.dmp

            memory/452-146-0x00000000750C0000-0x00000000752D5000-memory.dmp

            memory/452-144-0x00007FFDC2EF0000-0x00007FFDC30E5000-memory.dmp

            memory/452-143-0x00000000027A0000-0x0000000002BA0000-memory.dmp

            memory/4760-131-0x0000000000E20000-0x0000000000ED0000-memory.dmp

            memory/4760-135-0x0000000005CA0000-0x00000000060A0000-memory.dmp

            memory/4760-136-0x0000000005CA0000-0x00000000060A0000-memory.dmp

            memory/4760-137-0x00007FFDC2EF0000-0x00007FFDC30E5000-memory.dmp

            memory/4760-134-0x0000000005A10000-0x0000000005A20000-memory.dmp

            memory/4760-139-0x00000000750C0000-0x00000000752D5000-memory.dmp

            memory/4760-133-0x0000000005A00000-0x0000000005A08000-memory.dmp

            memory/4760-132-0x0000000005A60000-0x0000000005AF2000-memory.dmp

            memory/4760-128-0x0000000000E20000-0x0000000001445000-memory.dmp