Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2022 07:01

General

  • Target

    46ee250665a9309d49ff4efa9b6de0c5.exe

  • Size

    129KB

  • MD5

    46ee250665a9309d49ff4efa9b6de0c5

  • SHA1

    50d0c50fbe6e602546eca3ca6190196ea68e9a81

  • SHA256

    45136071c0cb88b6cbf83675992b439590a0f3425c6f3a8ee548c5228d0d9e6f

  • SHA512

    87afabbd3816148385dd5e31d45bc976414027f7850a0836426ae5ad6bf9417376cfd4fb5142972565fa462ba264e0de9791e9f870dff1e1bb922137e875d30f

  • SSDEEP

    3072:OHuz0Qb6GVlzsmn0+ZIOviaV0k4XoVlJ8n:OE0Q28omnlZsWJO

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1016
      • C:\1234.exe
        C:\1234.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2396
        • \??\c:\windows\SysWOW64\svchost.exe
          c:\windows\SysWOW64\svchost.exe
          3⤵
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2708
    • C:\Users\Admin\AppData\Local\Temp\46ee250665a9309d49ff4efa9b6de0c5.exe
      "C:\Users\Admin\AppData\Local\Temp\46ee250665a9309d49ff4efa9b6de0c5.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4856
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2460

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\1234.exe
      Filesize

      1.6MB

      MD5

      5d8ab1d3b48afab34fab8930c3e56793

      SHA1

      64c4e251af2970abc2e24bc3c3de0448103afd6d

      SHA256

      86ba5195ceef7562b3baf057bdbcd40123fa5fea2cb4c95dc50ffdedfbe088c4

      SHA512

      f8b0372fd577424ef9d489de2ecdd32c1154ede0660f4ea0d1f589acc0df9689606a524387d16e51f4cb87759775678c0d7f32260b4bd4661e92486681b7f085

    • C:\1234.exe
      Filesize

      1.6MB

      MD5

      5d8ab1d3b48afab34fab8930c3e56793

      SHA1

      64c4e251af2970abc2e24bc3c3de0448103afd6d

      SHA256

      86ba5195ceef7562b3baf057bdbcd40123fa5fea2cb4c95dc50ffdedfbe088c4

      SHA512

      f8b0372fd577424ef9d489de2ecdd32c1154ede0660f4ea0d1f589acc0df9689606a524387d16e51f4cb87759775678c0d7f32260b4bd4661e92486681b7f085

    • C:\libcef.dll
      Filesize

      90KB

      MD5

      12b71771467bb1d2d2f5f1a793836f7a

      SHA1

      8c86374aa8a4604be47dbe2b9cd84885f04a1cb4

      SHA256

      ca3d79dbd07fe563bdab59e559fafede0199aff5e25c138c560277e8a4521a87

      SHA512

      59e80e81afd24abf102dde95bca8f07492c35c854b1744d51b4438be445449385d8865f4567010c20aeb042b2d39cf71e5e6e4d870073e4c500315721c62dac4

    • C:\libcef.dll
      Filesize

      90KB

      MD5

      12b71771467bb1d2d2f5f1a793836f7a

      SHA1

      8c86374aa8a4604be47dbe2b9cd84885f04a1cb4

      SHA256

      ca3d79dbd07fe563bdab59e559fafede0199aff5e25c138c560277e8a4521a87

      SHA512

      59e80e81afd24abf102dde95bca8f07492c35c854b1744d51b4438be445449385d8865f4567010c20aeb042b2d39cf71e5e6e4d870073e4c500315721c62dac4

    • memory/2396-132-0x0000000000000000-mapping.dmp
    • memory/2708-137-0x0000000000000000-mapping.dmp
    • memory/2708-138-0x0000000010000000-0x0000000010026000-memory.dmp
      Filesize

      152KB

    • memory/2708-141-0x0000000001880000-0x00000000018CE000-memory.dmp
      Filesize

      312KB