Analysis

  • max time kernel
    127s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/05/2024, 14:02

General

  • Target
    RClient.exe
  • Size 734.0MB
  • Sample240505-rcf92sca7y
  • SHA256 94c2ffc0e88f2d574819b6995845d212d96594bc2e718219171f8e846ab84b98
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://chunkylopsidedwos.shop/api

  • https://acceptabledcooeprs.shop/api

  • https://obsceneclassyjuwks.shop/api

  • https://zippyfinickysofwps.shop/api

  • https://miniaturefinerninewjs.shop/api

  • https://plaintediousidowsko.shop/api

  • https://sweetsquarediaslw.shop/api

  • https://holicisticscrarws.shop/api

  • https://boredimperissvieos.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RClient.exe
    "C:\Users\Admin\AppData\Local\Temp\RClient.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k move Sufficiently Sufficiently.cmd & Sufficiently.cmd & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1368
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "wrsa.exe opssvc.exe"
        3⤵
          PID:2276
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:520
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
          3⤵
            PID:4228
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c md 1181
            3⤵
              PID:4052
            • C:\Windows\SysWOW64\findstr.exe
              findstr /V "SMITHSONIANSIMILARLYTELECOMMUNICATIONSMESSAGE" International
              3⤵
                PID:3576
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c copy /b Screw + Partly + Weapon + Iraq 1181\m
                3⤵
                  PID:2424
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1181\Img.pif
                  1181\Img.pif 1181\m
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:2372
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 5 127.0.0.1
                  3⤵
                  • Runs ping.exe
                  PID:3752

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  Img.pif

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1181\Img.pif
                  • Size 925KB
                  • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                  • MD5 SHA1 SHA512 SSDEEP

                  m

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1181\m
                  • Size 501KB
                  • SHA256 27637d3913753b60e440d8d817d5a02862a165975553edb2617b69d3f2c4f75a
                  • MD5 SHA1 SHA512 SSDEEP

                  Agreement

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Agreement
                  • Size 56KB
                  • SHA256 e4e32b63db8c3ca181de5f48a0b1b6ca0d94877365991dcc1065363ea9a55cd6
                  • MD5 SHA1 SHA512 SSDEEP

                  Ai

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ai
                  • Size 9KB
                  • SHA256 dd11e09ccef402108fa44306066a6e8dc1a78fc4c4bcf71bb97b0707e98ed8ae
                  • MD5 SHA1 SHA512 SSDEEP

                  Architecture

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Architecture
                  • Size 67KB
                  • SHA256 743fccc0e7ad2d395ba427f218cb1b74201e1d38ef3df43480b8d8ba74739fe1
                  • MD5 SHA1 SHA512 SSDEEP

                  Attend

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Attend
                  • Size 34KB
                  • SHA256 35e49e87d8ffa814e611f2613f3a2e76cff03b6b044a0ed689c409100457d8f8
                  • MD5 SHA1 SHA512 SSDEEP

                  Census

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Census
                  • Size 24KB
                  • SHA256 0ec8dd08c0400a28e95d21fdcce6cc60ab2ba50fd61ee43c204eced34d99b7d6
                  • MD5 SHA1 SHA512 SSDEEP

                  Collaborative

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Collaborative
                  • Size 37KB
                  • SHA256 6f9017fe742672f871a305e6150ddd3aa82123234ea13e09a9b579676afca64a
                  • MD5 SHA1 SHA512 SSDEEP

                  Cradle

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Cradle
                  • Size 10KB
                  • SHA256 0c292b18d417a96029336337842436038e87548a97ffc7c7b5f1d96a260d0fa5
                  • MD5 SHA1 SHA512 SSDEEP

                  Disclosure

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Disclosure
                  • Size 42KB
                  • SHA256 9149f570b6ed1225dc922e5f38707bbf0089e330507bb992a301887ffdde66e3
                  • MD5 SHA1 SHA512 SSDEEP

                  Emperor

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Emperor
                  • Size 11KB
                  • SHA256 b3ce5d510ea8c839ec1b14c2a58f9bcd822b729517a87531c3ebde123e653223
                  • MD5 SHA1 SHA512 SSDEEP

                  Explain

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Explain
                  • Size 64KB
                  • SHA256 ccffcb8fa25a0467f022aea32486ec16779b72cc352f1337634826e557c77971
                  • MD5 SHA1 SHA512 SSDEEP

                  Extending

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Extending
                  • Size 21KB
                  • SHA256 73837df5a92acac0af0bf0ea79c781ab67db714315a07aa4acbd880c62ab56e7
                  • MD5 SHA1 SHA512 SSDEEP

                  Federal

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Federal
                  • Size 15KB
                  • SHA256 0de9e68b82220949fd6da162ca5e08e8703860b43d93ecbcc8e0441e72092508
                  • MD5 SHA1 SHA512 SSDEEP

                  Filled

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Filled
                  • Size 57KB
                  • SHA256 da2bd22dd466e90688761c0becc56c7a578da05d5b09b9adf66f1471eb193db7
                  • MD5 SHA1 SHA512 SSDEEP

                  Finest

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Finest
                  • Size 26KB
                  • SHA256 6cc0861fa36b626b19076f6159f13d230e3624ad21f97a568a9a6ddd9a199d6f
                  • MD5 SHA1 SHA512 SSDEEP

                  Fisting

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fisting
                  • Size 42KB
                  • SHA256 33e2d5721c1d23951010e9b7fc3eacd550d55c8b1f65399fd9fb88a8eab6139c
                  • MD5 SHA1 SHA512 SSDEEP

                  Forgot

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Forgot
                  • Size 18KB
                  • SHA256 ae3642f02c565c3ca3a9a0ea563ac3fbd7eb82787f3274a5ca4a6ec68ff7d0c9
                  • MD5 SHA1 SHA512 SSDEEP

                  Grams

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Grams
                  • Size 29KB
                  • SHA256 be4e2b3d1b22151e6af9167740828f2a526dbfec0e89f6f07e67587cf5146f69
                  • MD5 SHA1 SHA512 SSDEEP

                  Hard

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Hard
                  • Size 52KB
                  • SHA256 34f6d4b352ecd5d3e007a33976fbd0b4ee76aac2f04a10bfbf46f6e42918c130
                  • MD5 SHA1 SHA512 SSDEEP

                  Hash

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Hash
                  • Size 54KB
                  • SHA256 c5bb8ef08cdae82bd60243c82a9953e67e211c3f3ccfcb1a843c1eaec6fdfa16
                  • MD5 SHA1 SHA512 SSDEEP

                  International

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\International
                  • Size 237B
                  • SHA256 51159bd5b2cbffe630e22822b621b7490b72c2d48938d84015b7348175bb5c61
                  • MD5 SHA1 SHA512

                  Iraq

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Iraq
                  • Size 62KB
                  • SHA256 ee4d3cf708be1e374df1e94000083e6aea9a63cde8671fe5f69daec5e1ce9e3f
                  • MD5 SHA1 SHA512 SSDEEP

                  Kitty

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Kitty
                  • Size 15KB
                  • SHA256 471149470aa36081af47c65f0657b669aa820ddb728e3c6c1641b3094d27eaec
                  • MD5 SHA1 SHA512 SSDEEP

                  Lit

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lit
                  • Size 47KB
                  • SHA256 5daf9543a1f353ffeb790775761a05fe2f3a9a2a6b8cac35e8cb36e8ac49b56b
                  • MD5 SHA1 SHA512 SSDEEP

                  Madness

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Madness
                  • Size 18KB
                  • SHA256 bb5915f0f65bd7bcaf148503137721466e1f8406b94376f7bf49a4f45dbbe92d
                  • MD5 SHA1 SHA512 SSDEEP

                  Mil

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mil
                  • Size 6KB
                  • SHA256 40b63579f2b7b4c4db58fa9484895a8dbd88bc2b0e4e2ecc4379905202d976a5
                  • MD5 SHA1 SHA512 SSDEEP

                  Partly

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Partly
                  • Size 95KB
                  • SHA256 f186952cfcf8c1ebf89cb5ca1b1f236bc7b12c04596798b11c5094ee70320b12
                  • MD5 SHA1 SHA512 SSDEEP

                  Philip

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Philip
                  • Size 12KB
                  • SHA256 85d812bd4e96f9a9dc39ebeb58d2cfacf6326ad0d2ee09af7d357c46c7a00ec2
                  • MD5 SHA1 SHA512 SSDEEP

                  Possibility

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Possibility
                  • Size 16KB
                  • SHA256 2edb48f3aa748e1432b1788559270949895e015bbd70086f81e48b8f4b1fab4c
                  • MD5 SHA1 SHA512 SSDEEP

                  Reason

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Reason
                  • Size 12KB
                  • SHA256 ff140cbd2f7c517be5e835aa85816a86be0c2902a7e712967cf195f00a182355
                  • MD5 SHA1 SHA512 SSDEEP

                  Richmond

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Richmond
                  • Size 36KB
                  • SHA256 cde66bce502d120b8d978ea8cf48e171e25da45db0c4de96672a79d84fa42dfc
                  • MD5 SHA1 SHA512 SSDEEP

                  Scanner

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Scanner
                  • Size 8KB
                  • SHA256 589a01b9476228f748faab795a30e62491cd2899f81f6774e69742bec83f5faf
                  • MD5 SHA1 SHA512 SSDEEP

                  Screw

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Screw
                  • Size 179KB
                  • SHA256 50d45aaae9f376e8aefa0593074574ec64393757c68f601a89648be0734e178b
                  • MD5 SHA1 SHA512 SSDEEP

                  Sufficiently

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sufficiently
                  • Size 28KB
                  • SHA256 4bcb8580220db69c4ceeda78848958526397e620554eda44ba2ef34b326612d9
                  • MD5 SHA1 SHA512 SSDEEP

                  Tobacco

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Tobacco
                  • Size 30KB
                  • SHA256 e0ce8e92b1ebe38f639d3f197890cdfe02a2a526c24967ddb9d489f652c38608
                  • MD5 SHA1 SHA512 SSDEEP

                  Trustee

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Trustee
                  • Size 26KB
                  • SHA256 a6e265a6973eeb68abd34f5cc23e3a7447ec03583443c7ccf8d6da6638d8842e
                  • MD5 SHA1 SHA512 SSDEEP

                  Unlike

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Unlike
                  • Size 30KB
                  • SHA256 841fda9dd61086e3f3d0da4ad85472e0d2da969be368b18e888bf99a1b93423e
                  • MD5 SHA1 SHA512 SSDEEP

                  Weapon

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Weapon
                  • Size 165KB
                  • SHA256 785c0d455af994c3aac998018e8f6a0567ca069557bb8d6ccac6e32e19a9a51c
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/2372-81-0x0000000008060000-0x00000000080BC000-memory.dmp

                  memory/2372-82-0x0000000008060000-0x00000000080BC000-memory.dmp

                  memory/2372-83-0x0000000008060000-0x00000000080BC000-memory.dmp

                  memory/2372-85-0x0000000008060000-0x00000000080BC000-memory.dmp

                  memory/2372-84-0x0000000008060000-0x00000000080BC000-memory.dmp