Analysis

  • max time kernel
    92s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-02-2023 21:01

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
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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:1616
    • 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:4548
      • C:\Users\Admin\AppData\Local\Temp\bin\8AbJg4hPT27R1.exe
        "bin\8AbJg4hPT27R1.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • 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:4292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 2028
          4⤵
          • Program crash
          PID:224
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4292 -ip 4292
    1⤵
      PID:2732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

    • 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/1616-133-0x00000000056E0000-0x0000000005C84000-memory.dmp

      Filesize

      5.6MB

    • memory/1616-134-0x0000000005130000-0x00000000051C2000-memory.dmp

      Filesize

      584KB

    • memory/1616-135-0x00000000087D0000-0x00000000087F2000-memory.dmp

      Filesize

      136KB

    • memory/1616-132-0x0000000000720000-0x00000000007EA000-memory.dmp

      Filesize

      808KB

    • memory/4292-152-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-159-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-176-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-146-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-147-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-148-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-149-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-150-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-151-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-174-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-153-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-154-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-155-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-157-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-158-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-141-0x0000000000000000-mapping.dmp

    • memory/4292-160-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-161-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-162-0x0000000006120000-0x0000000006128000-memory.dmp

      Filesize

      32KB

    • memory/4292-163-0x000000000A5C0000-0x000000000A5F8000-memory.dmp

      Filesize

      224KB

    • memory/4292-164-0x0000000009A60000-0x0000000009A6E000-memory.dmp

      Filesize

      56KB

    • memory/4292-165-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-166-0x000000000AC10000-0x000000000AC60000-memory.dmp

      Filesize

      320KB

    • memory/4292-168-0x000000000ACC0000-0x000000000ACD2000-memory.dmp

      Filesize

      72KB

    • memory/4292-167-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-169-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-170-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-171-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-172-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4292-173-0x000000006D090000-0x000000006DFB6000-memory.dmp

      Filesize

      15.1MB

    • memory/4548-136-0x0000000000000000-mapping.dmp

    • memory/4548-139-0x0000000000040000-0x00000000002B4000-memory.dmp

      Filesize

      2.5MB