Analysis

  • max time kernel
    63s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    12-07-2021 18:43

General

  • Target

    11.bin.exe

  • Size

    1.2MB

  • MD5

    b75c7acd1f22f27112a92743c1e690b1

  • SHA1

    213a9b0791dd4a33633920d9327f226b9db5c827

  • SHA256

    28d2e300adc2a932e546456edb9439f2edc216c737aa68665887979e3512dde0

  • SHA512

    0c0581cef5fee7a09d72bc58a03b9d08f4c1bb0388fefeb603e7001f5c73db73d8d172ed53d2e0da62c78ab710b9d96246c1a175dbbced296605ca00dfe3aa1f

Score
10/10

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\11.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\11.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\system32\cmd.exe
        cmd
        3⤵
          PID:2076
      • C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe
        "C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\ProgramData\Decoder.exe
          "C:\ProgramData\Decoder.exe"
          3⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2872
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3844
          • C:\Windows\system32\timeout.exe
            timeout 4
            4⤵
            • Delays execution with timeout.exe
            PID:208

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\Decoder.exe

      MD5

      c29c0d495ed13e703f433d53bdffdab8

      SHA1

      74ed36e6b6027b61abcfe2956670ffd9de7fd71a

      SHA256

      20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

      SHA512

      fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

    • C:\ProgramData\Decoder.exe

      MD5

      c29c0d495ed13e703f433d53bdffdab8

      SHA1

      74ed36e6b6027b61abcfe2956670ffd9de7fd71a

      SHA256

      20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

      SHA512

      fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

    • C:\Users\Admin\AppData\Local\Temp\.cmd

      MD5

      73712247036b6a24d16502c57a3e5679

      SHA1

      65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

      SHA256

      8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

      SHA512

      548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

    • C:\Users\Admin\AppData\Local\Temp\11.bat

      MD5

      9d90fceafccbb5fcb99d4b5561c1ee1e

      SHA1

      047a96822761e48649f0c68c7f17a055c5dd6ca3

      SHA256

      a5e1970266b0f9cc93252b41191a0a0a6b30cb907ca9d8f2b5beef9d550886da

      SHA512

      615b4ec0ca22bb04239aa9f72d235960d191885526827dc241e72b8bc08a4f1c83e64fc2d4ae832340cd476d3acfc2eb540b875f2980eda0e4847d2b29604023

    • C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe

      MD5

      c287b77c245838cb2434eb92ae94703d

      SHA1

      580e0781c185063f8a193bb650bb91df79f73fd0

      SHA256

      9c20d4054d168863670376c4961b29c50f03b3c76d307c9f894e5ba25d5605c2

      SHA512

      308537568c896e78ccdf7d1003d3e92e853343991cc8b175d8a432de0a0a5d6c04ef3562b7ad0af396c114dd645b5bf32e5b6a156867db2cbad9835b18229c5c

    • C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe

      MD5

      c287b77c245838cb2434eb92ae94703d

      SHA1

      580e0781c185063f8a193bb650bb91df79f73fd0

      SHA256

      9c20d4054d168863670376c4961b29c50f03b3c76d307c9f894e5ba25d5605c2

      SHA512

      308537568c896e78ccdf7d1003d3e92e853343991cc8b175d8a432de0a0a5d6c04ef3562b7ad0af396c114dd645b5bf32e5b6a156867db2cbad9835b18229c5c

    • memory/208-131-0x0000000000000000-mapping.dmp

    • memory/2076-124-0x0000000000000000-mapping.dmp

    • memory/2328-116-0x0000000000000000-mapping.dmp

    • memory/2644-121-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2644-126-0x000000001AD90000-0x000000001AD92000-memory.dmp

      Filesize

      8KB

    • memory/2644-125-0x000000001AC40000-0x000000001ACB1000-memory.dmp

      Filesize

      452KB

    • memory/2644-118-0x0000000000000000-mapping.dmp

    • memory/2872-134-0x0000000004D60000-0x0000000004D61000-memory.dmp

      Filesize

      4KB

    • memory/2872-136-0x0000000004D50000-0x0000000004D51000-memory.dmp

      Filesize

      4KB

    • memory/2872-142-0x00000000055D0000-0x0000000005640000-memory.dmp

      Filesize

      448KB

    • memory/2872-141-0x0000000006FD0000-0x0000000006FD1000-memory.dmp

      Filesize

      4KB

    • memory/2872-133-0x0000000002770000-0x0000000002806000-memory.dmp

      Filesize

      600KB

    • memory/2872-140-0x00000000060A0000-0x00000000060A1000-memory.dmp

      Filesize

      4KB

    • memory/2872-135-0x00000000025C0000-0x0000000002654000-memory.dmp

      Filesize

      592KB

    • memory/2872-127-0x0000000000000000-mapping.dmp

    • memory/2872-138-0x0000000004D53000-0x0000000004D54000-memory.dmp

      Filesize

      4KB

    • memory/2872-137-0x0000000004D52000-0x0000000004D53000-memory.dmp

      Filesize

      4KB

    • memory/2872-139-0x0000000004D54000-0x0000000004D56000-memory.dmp

      Filesize

      8KB

    • memory/3492-114-0x0000000000420000-0x0000000000421000-memory.dmp

      Filesize

      4KB

    • memory/3492-117-0x00000000026B0000-0x00000000026B2000-memory.dmp

      Filesize

      8KB

    • memory/3844-128-0x0000000000000000-mapping.dmp