Analysis

  • max time kernel
    155s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31-03-2023 15:47

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
  • 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
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 33 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:4676
    • C:\Users\Admin\AppData\Local\Temp\bin\jfvXkE.bin
      "bin\jfvXkE.bin"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Users\Admin\AppData\Local\Temp\bin\W6HjbvHZ1.exe
        "bin\W6HjbvHZ1.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:4920
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4508
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /0
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3484

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

    • C:\Users\Admin\AppData\Local\Temp\bin\W6HjbvHZ1.exe

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

    • C:\Users\Admin\AppData\Local\Temp\bin\W6HjbvHZ1.exe

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

    • C:\Users\Admin\AppData\Local\Temp\bin\W6HjbvHZ1.exe

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      2.4MB

      MD5

      89c1ed9b8f26601e87e78e9bef226f6b

      SHA1

      b7a9f82784e067eee0b9649ff756a8f209f153f6

      SHA256

      6cc9a31f3b52a785f27b0ac6dfc2cecfbb39b2a71ce1a19247524f81095a4df2

      SHA512

      31a3d2c4da8d1a12780f1baf6d2302b616ff4cb0db61126d815cb1d114387c6ae58f63305ed08cba097eeab288f282b5d5cd1c1de6e80873bb061ca8ebc9c802

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

      Filesize

      6.0MB

      MD5

      9b248dfff1d2b73fd639324741fe2e08

      SHA1

      e82684cd6858a6712eff69ace1707b3bcd464105

      SHA256

      39943c30732988289ca346902f007a72124bd98b82e08b0b9739241cdab4018e

      SHA512

      56784a895f113088e3c92ccd96f354473e5d849fb9d0798868ff5e9477f60854e8bc7c9759c63417c9298f8702abab266722439b445977c6e940da393b8b696c

    • memory/3484-240-0x0000018B94910000-0x0000018B94AA5000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-142-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

      Filesize

      64KB

    • memory/3560-135-0x0000000000050000-0x00000000002C4000-memory.dmp

      Filesize

      2.5MB

    • memory/4676-122-0x0000000004B20000-0x0000000004BB2000-memory.dmp

      Filesize

      584KB

    • memory/4676-123-0x0000000004A90000-0x0000000004AA0000-memory.dmp

      Filesize

      64KB

    • memory/4676-124-0x0000000007910000-0x00000000079B8000-memory.dmp

      Filesize

      672KB

    • memory/4676-125-0x0000000007A20000-0x0000000007A42000-memory.dmp

      Filesize

      136KB

    • memory/4676-126-0x0000000007A50000-0x0000000007DA0000-memory.dmp

      Filesize

      3.3MB

    • memory/4676-121-0x0000000005020000-0x000000000551E000-memory.dmp

      Filesize

      5.0MB

    • memory/4676-120-0x00000000000E0000-0x00000000001AA000-memory.dmp

      Filesize

      808KB

    • memory/4920-171-0x0000000008F60000-0x00000000092B0000-memory.dmp

      Filesize

      3.3MB

    • memory/4920-183-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-150-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-151-0x0000000005250000-0x0000000005260000-memory.dmp

      Filesize

      64KB

    • memory/4920-152-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-153-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-154-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-155-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-156-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-158-0x0000000005250000-0x0000000005260000-memory.dmp

      Filesize

      64KB

    • memory/4920-157-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-159-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-160-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-161-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-162-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-164-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-165-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-166-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-167-0x00000000056A0000-0x00000000056A8000-memory.dmp

      Filesize

      32KB

    • memory/4920-168-0x00000000086E0000-0x0000000008718000-memory.dmp

      Filesize

      224KB

    • memory/4920-169-0x0000000008E80000-0x0000000008F32000-memory.dmp

      Filesize

      712KB

    • memory/4920-170-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-147-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-174-0x0000000009330000-0x0000000009380000-memory.dmp

      Filesize

      320KB

    • memory/4920-176-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-177-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-178-0x0000000009660000-0x0000000009672000-memory.dmp

      Filesize

      72KB

    • memory/4920-179-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-180-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-181-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-182-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-149-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-184-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-186-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-187-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-188-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-189-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-190-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-191-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-195-0x0000000000BC0000-0x0000000000BF4000-memory.dmp

      Filesize

      208KB

    • memory/4920-196-0x000000000A3C0000-0x000000000A8EC000-memory.dmp

      Filesize

      5.2MB

    • memory/4920-197-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-198-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-203-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-204-0x0000000005780000-0x000000000578A000-memory.dmp

      Filesize

      40KB

    • memory/4920-211-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-218-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-231-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-234-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-235-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-236-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-237-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-238-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-239-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-144-0x0000000005250000-0x0000000005260000-memory.dmp

      Filesize

      64KB

    • memory/4920-241-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-242-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-243-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-244-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-246-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-247-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB

    • memory/4920-248-0x000000006C810000-0x000000006D736000-memory.dmp

      Filesize

      15.1MB