Analysis

  • max time kernel
    164s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    03-07-2022 09:47

General

  • Target

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3.exe

  • Size

    98KB

  • MD5

    7584afd109ede58da3205d10884eb598

  • SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

  • SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

  • SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3.exe
    "C:\Users\Admin\AppData\Local\Temp\3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3.exe
      "C:\Users\Admin\AppData\Local\Temp\3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\SysWOW64\csrss.exe
        "C:\Windows\system32\csrss.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:276
        • C:\Windows\SysWOW64\csrss.exe
          "C:\Windows\system32\csrss.exe"
          4⤵
          • Executes dropped EXE
          PID:1704
        • C:\Windows\SysWOW64\csrss.exe
          "C:\Windows\system32\csrss.exe"
          4⤵
          • Executes dropped EXE
          PID:1616
        • C:\Windows\SysWOW64\csrss.exe
          "C:\Windows\system32\csrss.exe"
          4⤵
          • Executes dropped EXE
          PID:1756
        • C:\Windows\SysWOW64\csrss.exe
          "C:\Windows\system32\csrss.exe"
          4⤵
          • Executes dropped EXE
          PID:1640
      • C:\Users\Admin\AppData\Roaming\rundll32.exe
        "C:\Users\Admin\AppData\Roaming\rundll32.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Users\Admin\AppData\Roaming\rundll32.exe
          "C:\Users\Admin\AppData\Roaming\rundll32.exe"
          4⤵
          • Executes dropped EXE
          PID:572
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1048
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe"
          4⤵
          • Executes dropped EXE
          PID:1860

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\rundll32.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Users\Admin\AppData\Roaming\rundll32.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Users\Admin\AppData\Roaming\rundll32.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • C:\Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Users\Admin\AppData\Roaming\rundll32.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Users\Admin\AppData\Roaming\rundll32.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • \Windows\SysWOW64\csrss.exe

    Filesize

    98KB

    MD5

    7584afd109ede58da3205d10884eb598

    SHA1

    9b65bab6982025d0769a2a1689504bd9acc170ae

    SHA256

    3bbdbac11e0186fce751d87830c5f6154a67dbdf7a3c39bc4153491d9641a8c3

    SHA512

    e3b12f592c8a666acd8430bc59fe7ab7ca97054db6d9cdc64fe04b3a4aedc70a8f01a6a8e2618b212f377e05879a41e2be88706eb58497801d9a8f45ea6ceaec

  • memory/276-73-0x0000000074730000-0x0000000074CDB000-memory.dmp

    Filesize

    5.7MB

  • memory/276-123-0x0000000074730000-0x0000000074CDB000-memory.dmp

    Filesize

    5.7MB

  • memory/572-96-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1048-110-0x0000000074730000-0x0000000074CDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-55-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-63-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1588-93-0x0000000074730000-0x0000000074CDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1640-126-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1860-127-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1860-128-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-65-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-60-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-62-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-57-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-72-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-56-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1940-59-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB