Analysis

  • max time kernel
    1744s
  • max time network
    1240s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2023 01:47

General

  • Target

    Synapse Launcher.exe

  • Size

    788KB

  • MD5

    20e1eb6b9b733bbd26ac8be5be603de2

  • SHA1

    36beefc2467d94b5ec9ae843b2bb099898581bed

  • SHA256

    73af760ad2ffdd931210079ef4b719a1a8c41a864e7d0a39faa5c1783fb140d6

  • SHA512

    d486fc560f0f6d94428b58ae041a17053659e78c49fe9154ca9e642d692da43aeb7dd3f03b1aeb428ea398bdbdfab743960c2f0fa885cd97bc31655be2e42e0b

  • SSDEEP

    12288:GoK0iEH0u6YNNCObkXxHDc/n3jUOSpUMh:nipzXonoOSpUMh

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synapse Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Synapse Launcher.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\bin\GyrjRUd0xx.bin
      "bin\GyrjRUd0xx.bin"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Users\Admin\AppData\Local\Temp\bin\8AbJg4hPT27R1.exe
        "bin\8AbJg4hPT27R1.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1140
          4⤵
          • Program crash
          PID:2516
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4512 -ip 4512
    1⤵
      PID:1520
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:800

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\bin\8AbJg4hPT27R1.exe

        Filesize

        2.4MB

        MD5

        2ee6f05467deabaaa65cdfd979befe5b

        SHA1

        1188e78f95e8d306774f48a5d7e1de99a298bd67

        SHA256

        8b3281fdb80f0823e2e5d3df656fdadc1e7dd87b92bd446716355ccc3f745e75

        SHA512

        8db87e114bfdc438522024c1860fd424a51e688b5b007aefd73746049329bb1effc307a43a5d4aee379f0d0dc1480fcfb3a7120b10f7ba3e4990c3890c178d69

      • C:\Users\Admin\AppData\Local\Temp\bin\8AbJg4hPT27R1.exe

        Filesize

        2.4MB

        MD5

        2ee6f05467deabaaa65cdfd979befe5b

        SHA1

        1188e78f95e8d306774f48a5d7e1de99a298bd67

        SHA256

        8b3281fdb80f0823e2e5d3df656fdadc1e7dd87b92bd446716355ccc3f745e75

        SHA512

        8db87e114bfdc438522024c1860fd424a51e688b5b007aefd73746049329bb1effc307a43a5d4aee379f0d0dc1480fcfb3a7120b10f7ba3e4990c3890c178d69

      • C:\Users\Admin\AppData\Local\Temp\bin\GyrjRUd0xx.bin

        Filesize

        2.4MB

        MD5

        2ee6f05467deabaaa65cdfd979befe5b

        SHA1

        1188e78f95e8d306774f48a5d7e1de99a298bd67

        SHA256

        8b3281fdb80f0823e2e5d3df656fdadc1e7dd87b92bd446716355ccc3f745e75

        SHA512

        8db87e114bfdc438522024c1860fd424a51e688b5b007aefd73746049329bb1effc307a43a5d4aee379f0d0dc1480fcfb3a7120b10f7ba3e4990c3890c178d69

      • C:\Users\Admin\AppData\Local\Temp\bin\GyrjRUd0xx.bin

        Filesize

        2.4MB

        MD5

        2ee6f05467deabaaa65cdfd979befe5b

        SHA1

        1188e78f95e8d306774f48a5d7e1de99a298bd67

        SHA256

        8b3281fdb80f0823e2e5d3df656fdadc1e7dd87b92bd446716355ccc3f745e75

        SHA512

        8db87e114bfdc438522024c1860fd424a51e688b5b007aefd73746049329bb1effc307a43a5d4aee379f0d0dc1480fcfb3a7120b10f7ba3e4990c3890c178d69

      • C:\Users\Admin\AppData\Local\Temp\bin\SLAgent.dll

        Filesize

        6.0MB

        MD5

        9b248dfff1d2b73fd639324741fe2e08

        SHA1

        e82684cd6858a6712eff69ace1707b3bcd464105

        SHA256

        39943c30732988289ca346902f007a72124bd98b82e08b0b9739241cdab4018e

        SHA512

        56784a895f113088e3c92ccd96f354473e5d849fb9d0798868ff5e9477f60854e8bc7c9759c63417c9298f8702abab266722439b445977c6e940da393b8b696c

      • C:\Users\Admin\AppData\Local\Temp\bin\SLAgent.dll

        Filesize

        6.0MB

        MD5

        9b248dfff1d2b73fd639324741fe2e08

        SHA1

        e82684cd6858a6712eff69ace1707b3bcd464105

        SHA256

        39943c30732988289ca346902f007a72124bd98b82e08b0b9739241cdab4018e

        SHA512

        56784a895f113088e3c92ccd96f354473e5d849fb9d0798868ff5e9477f60854e8bc7c9759c63417c9298f8702abab266722439b445977c6e940da393b8b696c

      • C:\Users\Admin\AppData\Local\Temp\bin\SynapseInjector.dll

        Filesize

        6.0MB

        MD5

        9b248dfff1d2b73fd639324741fe2e08

        SHA1

        e82684cd6858a6712eff69ace1707b3bcd464105

        SHA256

        39943c30732988289ca346902f007a72124bd98b82e08b0b9739241cdab4018e

        SHA512

        56784a895f113088e3c92ccd96f354473e5d849fb9d0798868ff5e9477f60854e8bc7c9759c63417c9298f8702abab266722439b445977c6e940da393b8b696c

      • memory/1212-132-0x0000000000ED0000-0x0000000000F9A000-memory.dmp

        Filesize

        808KB

      • memory/1212-133-0x0000000005F10000-0x00000000064B4000-memory.dmp

        Filesize

        5.6MB

      • memory/1212-134-0x0000000005A00000-0x0000000005A92000-memory.dmp

        Filesize

        584KB

      • memory/1212-135-0x0000000008F80000-0x0000000008FA2000-memory.dmp

        Filesize

        136KB

      • memory/4512-161-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-168-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-147-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-148-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-149-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-150-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-151-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-152-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-153-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-155-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-156-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-157-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-158-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-159-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-160-0x0000000005C50000-0x0000000005C58000-memory.dmp

        Filesize

        32KB

      • memory/4512-141-0x0000000000000000-mapping.dmp

      • memory/4512-162-0x000000000A210000-0x000000000A248000-memory.dmp

        Filesize

        224KB

      • memory/4512-163-0x0000000009550000-0x000000000955E000-memory.dmp

        Filesize

        56KB

      • memory/4512-164-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-165-0x000000000A850000-0x000000000A8A0000-memory.dmp

        Filesize

        320KB

      • memory/4512-167-0x000000000A900000-0x000000000A912000-memory.dmp

        Filesize

        72KB

      • memory/4512-146-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-169-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-171-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-172-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-173-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-175-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-174-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-177-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-176-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-178-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-180-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-181-0x000000000BC50000-0x000000000C17C000-memory.dmp

        Filesize

        5.2MB

      • memory/4512-179-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-183-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-184-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-185-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-186-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/4512-187-0x000000006D190000-0x000000006E0B6000-memory.dmp

        Filesize

        15.1MB

      • memory/5096-136-0x0000000000000000-mapping.dmp

      • memory/5096-139-0x0000000000530000-0x00000000007A2000-memory.dmp

        Filesize

        2.4MB