Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 07:01

General

  • Target

    21d6b63327f1f57348899d5992d43102.exe

  • Size

    124KB

  • MD5

    21d6b63327f1f57348899d5992d43102

  • SHA1

    c1f72ac6dedd7817c094c41df3d9dd505675d93d

  • SHA256

    a5d024a0be4a491e5004b9c4c1343fc172e210cc1bf78641d512c6fd9ec41f62

  • SHA512

    0af75df0a6dfe44b33b03f4dc716c48db3a479f438fe0a9332b82cc832ffdb2d56254b073bfb67feed8c0f5516ede72a93f1de70e62c8ae9e9e9fd09f600d1cf

  • SSDEEP

    1536:IFaM5mTEVEQnqrZM5V3J6fgNWbMb+KR0Nc8QsJq3:iaMqEVEUWZulJGgNAe0Nc8QsC

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

86.104.74.31:9981

Extracted

Family

metasploit

Version

windows/reverse_winhttp

C2

https://86.104.74.31:2526/RA16f452MojHbcZsoVVHLwfmf2LL2vv_SyIdICyt06x8VXvrljLTg45B5Cw-8HN4Y6yGrVqLDLgnNYf6PspY3fW_UMqKFdRHaVgq5uFm4HN74-I_qCQMu1aA9HzMzSUh35FOziD5j5xcZnHTbA9p3F83Gh0GW05Phn8V2CUDEsBs7HHQyiXfFHvkQmaThVabGuTM2tXrih9GR_arJptYF_frrhl634

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • XMRig Miner payload 2 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in System32 directory 11 IoCs
  • Detects Pyinstaller 1 IoCs
  • Modifies data under HKEY_USERS 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:476
    • C:\Windows\system32\cmd.exe
      cmd.exe /c echo vmxiio > \\.\pipe\vmxiio
      2⤵
        PID:2860
      • C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe
        "C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe" gUPjE
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe
          C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          PID:2008
      • \??\c:\windows\system32\WindowsUpdate.exe
        c:/windows/system32/\WindowsUpdate.exe
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1152
      • \??\c:\windows\system32\Python-deamon.exe
        c:/windows/system32/\Python-deamon.exe
        2⤵
        • Executes dropped EXE
        PID:2620
    • C:\Users\Admin\AppData\Local\Temp\21d6b63327f1f57348899d5992d43102.exe
      "C:\Users\Admin\AppData\Local\Temp\21d6b63327f1f57348899d5992d43102.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe" OSLQGT
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe
          C:\Users\Admin\AppData\Local\Temp\wwnlxd.exe OSLQGT
          3⤵
          • Executes dropped EXE
          PID:2960

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

    • C:\Windows\System32\Python-deamon.exe
      Filesize

      4.9MB

      MD5

      2213c24bf5f894162377e83435bf6394

      SHA1

      34d35d4fefa2464c7a7adcf844a2055161283fcb

      SHA256

      920ddce9db19abbde837de204acf2c28abdc93525d50c74e686f2b64560dc6a2

      SHA512

      4fbccf72968372841668a4860ac5201138458c98eaf6dd034e435ae0741dba143cc5d5241cf19c1aee18ac425eb25ad3f9dd04452bc302b27f825313785fd554

    • C:\Windows\Temp\Tar9D4E.tmp
      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • \??\c:\windows\system32\config.json
      Filesize

      2KB

      MD5

      97190f32e9ebd6cfc56e63a7b558b4e5

      SHA1

      9085d5e432921cfee05603fc4cee635860494c78

      SHA256

      25e696edfadd0de5f13af4d3a7bd85a5cceac365d6d3ba96d1db4cdf3123ed2d

      SHA512

      d521d2efe74278b74bf04ef397ca33ed32afbd4b0d61442cfd4d57b4f940981472634eba8c32dffc996dbc79d47c2ab48ae53d0fca0f786cc2bd1329a5566617

    • \Users\Admin\AppData\Local\Temp\wwnlxd.exe
      Filesize

      10KB

      MD5

      6408a2892687c18e193adcff15a81c55

      SHA1

      0d29714733aaca5b9f017d3610a7ae3b812f2343

      SHA256

      c27704ba4e0ea1299f4dc41b0a01c8879fe7f5eece0d21473baa897af1f7d733

      SHA512

      317b49f96e92cb3f68b511c98c831cda5adea51fdf258055aaa92249c21795a7af225adf5b0ece950550c679dad318b54228cdd28673ebfca37b66ad90fe39f8

    • \Windows\System32\WindowsUpdate.exe
      Filesize

      5.4MB

      MD5

      1ce931c7db9f11fe942e34857e16100e

      SHA1

      18aa4aa3d4f4653ca3c8fb706b004f911a5dd9de

      SHA256

      7fac868eff64e2fae4e1d2cc9ef2d30b6e865e91f48782d5400f7f1376aeb543

      SHA512

      44d99eb110efd3e636a8c74015277f13b24306e41965a67a1b970e7a07cb63343a7e6d1dc48308a6a115330e568ea5c7e50e2ec8897e639de2d322278fa67a9e

    • memory/476-321-0x0000000002060000-0x0000000002260000-memory.dmp
      Filesize

      2.0MB

    • memory/476-288-0x0000000002060000-0x0000000002260000-memory.dmp
      Filesize

      2.0MB

    • memory/476-282-0x0000000002060000-0x0000000002260000-memory.dmp
      Filesize

      2.0MB

    • memory/476-183-0x0000000002060000-0x0000000002260000-memory.dmp
      Filesize

      2.0MB

    • memory/476-169-0x0000000002060000-0x0000000002260000-memory.dmp
      Filesize

      2.0MB

    • memory/476-133-0x0000000000CB0000-0x0000000000CE2000-memory.dmp
      Filesize

      200KB

    • memory/2008-76-0x0000000000020000-0x0000000000021000-memory.dmp
      Filesize

      4KB

    • memory/2008-126-0x00000000038C0000-0x0000000003CC0000-memory.dmp
      Filesize

      4.0MB

    • memory/2360-41-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-119-0x0000000002160000-0x0000000002260000-memory.dmp
      Filesize

      1024KB

    • memory/2360-40-0x0000000002160000-0x0000000002260000-memory.dmp
      Filesize

      1024KB

    • memory/2360-120-0x0000000000390000-0x0000000000391000-memory.dmp
      Filesize

      4KB

    • memory/2360-36-0x00000000002E0000-0x0000000000305000-memory.dmp
      Filesize

      148KB

    • memory/2360-0-0x0000000000020000-0x0000000000021000-memory.dmp
      Filesize

      4KB

    • memory/2360-61-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-20-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-121-0x00000000003A0000-0x00000000003A1000-memory.dmp
      Filesize

      4KB

    • memory/2360-104-0x0000000002160000-0x0000000002260000-memory.dmp
      Filesize

      1024KB

    • memory/2360-66-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-19-0x0000000002160000-0x0000000002260000-memory.dmp
      Filesize

      1024KB

    • memory/2360-14-0x0000000000420000-0x0000000000483000-memory.dmp
      Filesize

      396KB

    • memory/2360-7-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-6-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB

    • memory/2360-5-0x00000000002B0000-0x00000000002DC000-memory.dmp
      Filesize

      176KB

    • memory/2360-2-0x0000000000350000-0x0000000000381000-memory.dmp
      Filesize

      196KB