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Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 03:56

General

  • Target

    4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e.exe

  • Size

    252KB

  • MD5

    5dbf8341796075ecc7af0077a1e21310

  • SHA1

    edc96a0e868b8b1e6bf6d1004538c045863302b0

  • SHA256

    4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e

  • SHA512

    1cf535c4e5ed51d7be9a97f5402490ad53eea194f5709bd3fed282c47358e301ff4a80bec86dea585e7396dd702f25a49752e0784071583555b273657f2ddbdf

  • SSDEEP

    3072:VahZBNbnOys5HQGFgZq+u7WBr9XHtzkHcnt92Ljy3th8vgEKGw2/OS:ghZBNyycHQGFgZq+u2hhkHwmyd+vym//

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e.exe
    "C:\Users\Admin\AppData\Local\Temp\4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e.exe
      "C:\Users\Admin\AppData\Local\Temp\4d3cd8bffb364a4235689421be11aca265e51047eae31e534fa4550a6fc52f7e.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe
        "C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe
          "C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1172
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp6f90ad8f.bat"
        3⤵
        • Deletes itself
        PID:1800
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1284
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1232
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1160
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
          1⤵
            PID:1904
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:1788
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
              1⤵
                PID:1740
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
                1⤵
                  PID:1624

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\tmp6f90ad8f.bat

                  Filesize

                  307B

                  MD5

                  f7c87c00f786ddc17c2a831cd15b2c06

                  SHA1

                  21f7b57f8d42c9382c27097c9db16f4380b67409

                  SHA256

                  c8224774cdc65a23db2ef52ff2b0f5e588afee430228ddd2c9a7469b2939b425

                  SHA512

                  e38865fd045d1a04e2057460e474d8c09d882508e58b7cc7f48856e33be61af3cbfcb0be2d35707ed9213f0a27b0eda04a2d00b29e7aa5d5810b19ecf2dd80be

                • C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe

                  Filesize

                  252KB

                  MD5

                  2b807b20313f180d39b839bee939da17

                  SHA1

                  1733b3205f1c4ca10edf6126c336aa6ffe9f4bba

                  SHA256

                  971d6aaa478ddff3127cae574356d5e2b41f2c7271df08d8ab8041449915c6e1

                  SHA512

                  056680f644dc437403946a9d160e3f14fb915f110affff03a865ac7295207e309db16bbfcc1a6af3bc178572fa9518e385b68c54705196ba3d92685979d3be03

                • C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe

                  Filesize

                  252KB

                  MD5

                  2b807b20313f180d39b839bee939da17

                  SHA1

                  1733b3205f1c4ca10edf6126c336aa6ffe9f4bba

                  SHA256

                  971d6aaa478ddff3127cae574356d5e2b41f2c7271df08d8ab8041449915c6e1

                  SHA512

                  056680f644dc437403946a9d160e3f14fb915f110affff03a865ac7295207e309db16bbfcc1a6af3bc178572fa9518e385b68c54705196ba3d92685979d3be03

                • C:\Users\Admin\AppData\Roaming\Ircas\pumir.exe

                  Filesize

                  252KB

                  MD5

                  2b807b20313f180d39b839bee939da17

                  SHA1

                  1733b3205f1c4ca10edf6126c336aa6ffe9f4bba

                  SHA256

                  971d6aaa478ddff3127cae574356d5e2b41f2c7271df08d8ab8041449915c6e1

                  SHA512

                  056680f644dc437403946a9d160e3f14fb915f110affff03a865ac7295207e309db16bbfcc1a6af3bc178572fa9518e385b68c54705196ba3d92685979d3be03

                • \Users\Admin\AppData\Roaming\Ircas\pumir.exe

                  Filesize

                  252KB

                  MD5

                  2b807b20313f180d39b839bee939da17

                  SHA1

                  1733b3205f1c4ca10edf6126c336aa6ffe9f4bba

                  SHA256

                  971d6aaa478ddff3127cae574356d5e2b41f2c7271df08d8ab8041449915c6e1

                  SHA512

                  056680f644dc437403946a9d160e3f14fb915f110affff03a865ac7295207e309db16bbfcc1a6af3bc178572fa9518e385b68c54705196ba3d92685979d3be03

                • \Users\Admin\AppData\Roaming\Ircas\pumir.exe

                  Filesize

                  252KB

                  MD5

                  2b807b20313f180d39b839bee939da17

                  SHA1

                  1733b3205f1c4ca10edf6126c336aa6ffe9f4bba

                  SHA256

                  971d6aaa478ddff3127cae574356d5e2b41f2c7271df08d8ab8041449915c6e1

                  SHA512

                  056680f644dc437403946a9d160e3f14fb915f110affff03a865ac7295207e309db16bbfcc1a6af3bc178572fa9518e385b68c54705196ba3d92685979d3be03

                • memory/916-64-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

                  Filesize

                  8KB

                • memory/916-65-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-66-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-56-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-61-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-57-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-60-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-87-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/916-59-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/1160-90-0x0000000000450000-0x000000000046A000-memory.dmp

                  Filesize

                  104KB

                • memory/1160-89-0x0000000000450000-0x000000000046A000-memory.dmp

                  Filesize

                  104KB

                • memory/1160-88-0x0000000000450000-0x000000000046A000-memory.dmp

                  Filesize

                  104KB

                • memory/1160-91-0x0000000000450000-0x000000000046A000-memory.dmp

                  Filesize

                  104KB

                • memory/1172-105-0x0000000000400000-0x000000000041A000-memory.dmp

                  Filesize

                  104KB

                • memory/1232-96-0x0000000001D40000-0x0000000001D5A000-memory.dmp

                  Filesize

                  104KB

                • memory/1232-95-0x0000000001D40000-0x0000000001D5A000-memory.dmp

                  Filesize

                  104KB

                • memory/1232-97-0x0000000001D40000-0x0000000001D5A000-memory.dmp

                  Filesize

                  104KB

                • memory/1232-94-0x0000000001D40000-0x0000000001D5A000-memory.dmp

                  Filesize

                  104KB

                • memory/1284-102-0x0000000002950000-0x000000000296A000-memory.dmp

                  Filesize

                  104KB

                • memory/1284-101-0x0000000002950000-0x000000000296A000-memory.dmp

                  Filesize

                  104KB

                • memory/1284-103-0x0000000002950000-0x000000000296A000-memory.dmp

                  Filesize

                  104KB

                • memory/1284-104-0x0000000002950000-0x000000000296A000-memory.dmp

                  Filesize

                  104KB

                • memory/1624-129-0x0000000000210000-0x000000000022A000-memory.dmp

                  Filesize

                  104KB

                • memory/1624-128-0x0000000000210000-0x000000000022A000-memory.dmp

                  Filesize

                  104KB

                • memory/1624-127-0x0000000000210000-0x000000000022A000-memory.dmp

                  Filesize

                  104KB

                • memory/1624-126-0x0000000000210000-0x000000000022A000-memory.dmp

                  Filesize

                  104KB

                • memory/1740-122-0x0000000000490000-0x00000000004AA000-memory.dmp

                  Filesize

                  104KB

                • memory/1740-120-0x0000000000490000-0x00000000004AA000-memory.dmp

                  Filesize

                  104KB

                • memory/1740-121-0x0000000000490000-0x00000000004AA000-memory.dmp

                  Filesize

                  104KB

                • memory/1740-123-0x0000000000490000-0x00000000004AA000-memory.dmp

                  Filesize

                  104KB

                • memory/1788-114-0x0000000003B60000-0x0000000003B7A000-memory.dmp

                  Filesize

                  104KB

                • memory/1788-115-0x0000000003B60000-0x0000000003B7A000-memory.dmp

                  Filesize

                  104KB

                • memory/1788-117-0x0000000003B60000-0x0000000003B7A000-memory.dmp

                  Filesize

                  104KB

                • memory/1788-116-0x0000000003B60000-0x0000000003B7A000-memory.dmp

                  Filesize

                  104KB

                • memory/1904-111-0x00000000000F0000-0x000000000010A000-memory.dmp

                  Filesize

                  104KB

                • memory/1904-110-0x00000000000F0000-0x000000000010A000-memory.dmp

                  Filesize

                  104KB

                • memory/1904-109-0x00000000000F0000-0x000000000010A000-memory.dmp

                  Filesize

                  104KB

                • memory/1904-108-0x00000000000F0000-0x000000000010A000-memory.dmp

                  Filesize

                  104KB