Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:45

General

  • Target

    7b76c17c1e6a9fabe541335c809bf31c9b9c657c07691a2104ecd53e8a413f04.exe

  • Size

    278KB

  • MD5

    4eed0b3a6f50357026d5aea58dd59391

  • SHA1

    ebd88e5f0be0033c49b6105272864469535cc459

  • SHA256

    7b76c17c1e6a9fabe541335c809bf31c9b9c657c07691a2104ecd53e8a413f04

  • SHA512

    76f84fe95e1e2a67e0739f609db235fa5894efb9ea06c4cf0905955b21fbee7fc612061e117323433b65bc7b268f9b0cfae316eef36eb771cf60e1ba3791c032

  • SSDEEP

    6144:ZYk7R3xF3BEuTP0PvdA8r1erABpxEJPlLsiJEwpClkSm4krOLS:ZYeB0uT8Hq6erABvuPl5GRkkS

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1232
        • C:\Users\Admin\AppData\Local\Temp\7b76c17c1e6a9fabe541335c809bf31c9b9c657c07691a2104ecd53e8a413f04.exe
          "C:\Users\Admin\AppData\Local\Temp\7b76c17c1e6a9fabe541335c809bf31c9b9c657c07691a2104ecd53e8a413f04.exe"
          2⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Modifies Internet Explorer settings
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1976
          • C:\Users\Admin\AppData\Roaming\Wouhl\alyr.exe
            "C:\Users\Admin\AppData\Roaming\Wouhl\alyr.exe"
            3⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of UnmapMainImage
            • Suspicious use of WriteProcessMemory
            PID:1952
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp08ce6a1a.bat"
            3⤵
            • Deletes itself
            PID:520
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1168

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp08ce6a1a.bat

          Filesize

          307B

          MD5

          e53c36e99074f8b197230078992b539a

          SHA1

          d6d179a5485f82070db1d06e07bd8b90787a64d2

          SHA256

          c011385526ad9f98b7701cc405e364a92b3fb6d9bf4c43d27bb479b9d9112075

          SHA512

          14d0ba75c471a806a24fa2c46cf8bc8370c3d83bfd4778903f4ae980920774ea705ee21cba3c8ad3143bc7c07b2c047e7147a7c082e71f6e5fb0a15cbf8a161e

        • C:\Users\Admin\AppData\Roaming\Wouhl\alyr.exe

          Filesize

          278KB

          MD5

          63866df24f1a986468ec0854c37415de

          SHA1

          e5c54b0998f65544c4ce6cccd2d61ae4d0464bb1

          SHA256

          5a962169d14b800f8adb5be2478a1bed4d17dfe6a9b33c8e1daa424a5f5bf25e

          SHA512

          d984c7fc4f3b2dc3cab94d3b7a3e2d69cbf0768c97db71f0c38d37cc215d1bafd9efba3ad6f21f71ea069c92862e560c904b6394b57de17606c81b405263d376

        • C:\Users\Admin\AppData\Roaming\Wouhl\alyr.exe

          Filesize

          278KB

          MD5

          63866df24f1a986468ec0854c37415de

          SHA1

          e5c54b0998f65544c4ce6cccd2d61ae4d0464bb1

          SHA256

          5a962169d14b800f8adb5be2478a1bed4d17dfe6a9b33c8e1daa424a5f5bf25e

          SHA512

          d984c7fc4f3b2dc3cab94d3b7a3e2d69cbf0768c97db71f0c38d37cc215d1bafd9efba3ad6f21f71ea069c92862e560c904b6394b57de17606c81b405263d376

        • C:\Users\Admin\AppData\Roaming\Xeuvu\acaxm.azx

          Filesize

          398B

          MD5

          d8aab75e91759416a2daf93bd8b4d438

          SHA1

          530591df9cf07135efc852fdcefe6d52b3bc241b

          SHA256

          42dcd999e5b535655b757e2b5fab3b4f24b6c50787f00cf8e95d1b41de8f5b57

          SHA512

          8e10be3d92ce50aa96678a006fbb774708439b0054670cc2249f6c2e656a507a16f244f559e1c39a2b96c55c0f9c214d0048668347a09b3e3c187d63c74e4b98

        • \Users\Admin\AppData\Roaming\Wouhl\alyr.exe

          Filesize

          278KB

          MD5

          63866df24f1a986468ec0854c37415de

          SHA1

          e5c54b0998f65544c4ce6cccd2d61ae4d0464bb1

          SHA256

          5a962169d14b800f8adb5be2478a1bed4d17dfe6a9b33c8e1daa424a5f5bf25e

          SHA512

          d984c7fc4f3b2dc3cab94d3b7a3e2d69cbf0768c97db71f0c38d37cc215d1bafd9efba3ad6f21f71ea069c92862e560c904b6394b57de17606c81b405263d376

        • \Users\Admin\AppData\Roaming\Wouhl\alyr.exe

          Filesize

          278KB

          MD5

          63866df24f1a986468ec0854c37415de

          SHA1

          e5c54b0998f65544c4ce6cccd2d61ae4d0464bb1

          SHA256

          5a962169d14b800f8adb5be2478a1bed4d17dfe6a9b33c8e1daa424a5f5bf25e

          SHA512

          d984c7fc4f3b2dc3cab94d3b7a3e2d69cbf0768c97db71f0c38d37cc215d1bafd9efba3ad6f21f71ea069c92862e560c904b6394b57de17606c81b405263d376

        • memory/520-99-0x0000000000050000-0x0000000000091000-memory.dmp

          Filesize

          260KB

        • memory/520-106-0x0000000000050000-0x0000000000091000-memory.dmp

          Filesize

          260KB

        • memory/520-101-0x00000000000720A5-mapping.dmp

        • memory/520-96-0x0000000000050000-0x0000000000091000-memory.dmp

          Filesize

          260KB

        • memory/520-100-0x0000000000050000-0x0000000000091000-memory.dmp

          Filesize

          260KB

        • memory/520-98-0x0000000000050000-0x0000000000091000-memory.dmp

          Filesize

          260KB

        • memory/1124-66-0x0000000001CA0000-0x0000000001CE1000-memory.dmp

          Filesize

          260KB

        • memory/1124-68-0x0000000001CA0000-0x0000000001CE1000-memory.dmp

          Filesize

          260KB

        • memory/1124-67-0x0000000001CA0000-0x0000000001CE1000-memory.dmp

          Filesize

          260KB

        • memory/1124-65-0x0000000001CA0000-0x0000000001CE1000-memory.dmp

          Filesize

          260KB

        • memory/1124-63-0x0000000001CA0000-0x0000000001CE1000-memory.dmp

          Filesize

          260KB

        • memory/1168-72-0x0000000000290000-0x00000000002D1000-memory.dmp

          Filesize

          260KB

        • memory/1168-76-0x0000000000290000-0x00000000002D1000-memory.dmp

          Filesize

          260KB

        • memory/1168-74-0x0000000000290000-0x00000000002D1000-memory.dmp

          Filesize

          260KB

        • memory/1168-78-0x0000000000290000-0x00000000002D1000-memory.dmp

          Filesize

          260KB

        • memory/1232-83-0x00000000026E0000-0x0000000002721000-memory.dmp

          Filesize

          260KB

        • memory/1232-86-0x00000000026E0000-0x0000000002721000-memory.dmp

          Filesize

          260KB

        • memory/1232-85-0x00000000026E0000-0x0000000002721000-memory.dmp

          Filesize

          260KB

        • memory/1232-84-0x00000000026E0000-0x0000000002721000-memory.dmp

          Filesize

          260KB

        • memory/1952-81-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1952-59-0x0000000000000000-mapping.dmp

        • memory/1952-77-0x0000000000280000-0x00000000002C1000-memory.dmp

          Filesize

          260KB

        • memory/1952-79-0x00000000004C0000-0x000000000050A000-memory.dmp

          Filesize

          296KB

        • memory/1976-54-0x00000000754E1000-0x00000000754E3000-memory.dmp

          Filesize

          8KB

        • memory/1976-90-0x0000000001E30000-0x0000000001E71000-memory.dmp

          Filesize

          260KB

        • memory/1976-92-0x0000000001E30000-0x0000000001E71000-memory.dmp

          Filesize

          260KB

        • memory/1976-91-0x0000000001E30000-0x0000000001E71000-memory.dmp

          Filesize

          260KB

        • memory/1976-75-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1976-73-0x0000000000380000-0x00000000003CA000-memory.dmp

          Filesize

          296KB

        • memory/1976-71-0x0000000000330000-0x0000000000371000-memory.dmp

          Filesize

          260KB

        • memory/1976-89-0x0000000001E30000-0x0000000001E71000-memory.dmp

          Filesize

          260KB

        • memory/1976-103-0x0000000001E30000-0x0000000001E71000-memory.dmp

          Filesize

          260KB

        • memory/1976-102-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1976-55-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1976-56-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB