Resubmissions

12-01-2023 18:02

230112-wmhcbacg3y 9

11-01-2023 21:35

230111-1fb9yaad3x 9

Analysis

  • max time kernel
    233s
  • max time network
    237s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2023 18:02

General

  • Target

    Synapse X.exe

  • Size

    1.1MB

  • MD5

    0f2fdcdf9c38f7bd4dd7a50495fec1c1

  • SHA1

    54cddd6dceef2b5d7f11b4d9a5606586ddae8dfd

  • SHA256

    66268aed698f7adae7052da5ed7732545a9ec12a206e9a04585e5f8f89620e38

  • SHA512

    6fbe09d840c1dcafcbc949a0a35d20615abab7ae0453a6930ccf379539c996481d0d5922f5b79581afa3630807ff83331edabc6dfb160bac2176f816662490c8

  • SSDEEP

    12288:x/kTcGtQyWa+e9+/mxAv6VS8dRsSt+B47fbDuOGPsfVmm6ZbrAUvfOWZH+kT:x/ZSQyvp+/m6v6Q8dRD5etc6ZbXfOWZ

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 10 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synapse X.exe
    "C:\Users\Admin\AppData\Local\Temp\Synapse X.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\bin\A3C392F3524C07C5.bin
      "bin\A3C392F3524C07C5.bin"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Local\Temp\bin\eGsfkOFtUhj5Iqoc.exe
        "bin\eGsfkOFtUhj5Iqoc.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:2088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 3524
          4⤵
          • Program crash
          PID:1432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2088 -ip 2088
    1⤵
      PID:4780

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\bin\A3C392F3524C07C5.bin

      Filesize

      2.4MB

      MD5

      a3c9b29774425f6e3e199c1bad32ab3d

      SHA1

      e0851dd24deef3352d2c3f651163d208c3ab0df6

      SHA256

      ff17bd3f171b30309a7cd36b47af4d6536c7b6a26d7b99f7c8a06c9c50387251

      SHA512

      022c5f6c2ffae13fddd982876edd79662a9dc3c59300cf6a37303a691de9c14be123ea601955173b20fd4f1d4019ae042a681d6fa006615226b314f382c02ab0

    • C:\Users\Admin\AppData\Local\Temp\bin\A3C392F3524C07C5.bin

      Filesize

      2.4MB

      MD5

      a3c9b29774425f6e3e199c1bad32ab3d

      SHA1

      e0851dd24deef3352d2c3f651163d208c3ab0df6

      SHA256

      ff17bd3f171b30309a7cd36b47af4d6536c7b6a26d7b99f7c8a06c9c50387251

      SHA512

      022c5f6c2ffae13fddd982876edd79662a9dc3c59300cf6a37303a691de9c14be123ea601955173b20fd4f1d4019ae042a681d6fa006615226b314f382c02ab0

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

      Filesize

      1.3MB

      MD5

      a44554d38b7a25a7ab2320fe731c5298

      SHA1

      c287a88fd3a064b387888f4bbc37a0630c877253

      SHA256

      35980974bdba6d5dd6a4dc1072e33aab77f72f56c46779cb0216e4801dcc36ab

      SHA512

      bd8956b7e8ca6d1129fbbb950dd913183b3e92601c2c900aed26d695782e4663654ac57074e1f0f2efcf9cced969487162910dc9bb52b42572d61994b07f2aad

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

      Filesize

      1.3MB

      MD5

      a44554d38b7a25a7ab2320fe731c5298

      SHA1

      c287a88fd3a064b387888f4bbc37a0630c877253

      SHA256

      35980974bdba6d5dd6a4dc1072e33aab77f72f56c46779cb0216e4801dcc36ab

      SHA512

      bd8956b7e8ca6d1129fbbb950dd913183b3e92601c2c900aed26d695782e4663654ac57074e1f0f2efcf9cced969487162910dc9bb52b42572d61994b07f2aad

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

      Filesize

      1.3MB

      MD5

      a44554d38b7a25a7ab2320fe731c5298

      SHA1

      c287a88fd3a064b387888f4bbc37a0630c877253

      SHA256

      35980974bdba6d5dd6a4dc1072e33aab77f72f56c46779cb0216e4801dcc36ab

      SHA512

      bd8956b7e8ca6d1129fbbb950dd913183b3e92601c2c900aed26d695782e4663654ac57074e1f0f2efcf9cced969487162910dc9bb52b42572d61994b07f2aad

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

      Filesize

      83KB

      MD5

      1533d9b2ed991ad4fecef548dc762565

      SHA1

      7a0664cc6bdc5ffd23c4aba43fa7b2acdfe949f4

      SHA256

      8e6e874d51f654c1c081cd1658a2e4ad8e3b92e74f9406e8c4eb34d354ab8791

      SHA512

      710677d3c6ebff9da638d22a3ae800eb12ba947aad9acb4e42f9e9268ade1b8dde680b4aa135121851285943aecc0fc9be85c5ca8a269d6857b35e905c7b7c12

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

      Filesize

      83KB

      MD5

      1533d9b2ed991ad4fecef548dc762565

      SHA1

      7a0664cc6bdc5ffd23c4aba43fa7b2acdfe949f4

      SHA256

      8e6e874d51f654c1c081cd1658a2e4ad8e3b92e74f9406e8c4eb34d354ab8791

      SHA512

      710677d3c6ebff9da638d22a3ae800eb12ba947aad9acb4e42f9e9268ade1b8dde680b4aa135121851285943aecc0fc9be85c5ca8a269d6857b35e905c7b7c12

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

      Filesize

      219KB

      MD5

      92defcf3ee31db03999e8ea41742f8f8

      SHA1

      2d5a94c029e1ac0df07a2055f03ca3d77ceb76b6

      SHA256

      d3873ec8cf9a80b3b5691445cd0f6d2a38f5a2432864d7fa372b751bad54e891

      SHA512

      d58f4c6bf526ed5e19bbb9c36db8fa192c63eb770b8bb5cebef0e1baf69d35ec3e1367062b9d2af9aa654d97e9cdcecca9c12bc73d9097c38a9c7e6dc11f103a

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

      Filesize

      219KB

      MD5

      92defcf3ee31db03999e8ea41742f8f8

      SHA1

      2d5a94c029e1ac0df07a2055f03ca3d77ceb76b6

      SHA256

      d3873ec8cf9a80b3b5691445cd0f6d2a38f5a2432864d7fa372b751bad54e891

      SHA512

      d58f4c6bf526ed5e19bbb9c36db8fa192c63eb770b8bb5cebef0e1baf69d35ec3e1367062b9d2af9aa654d97e9cdcecca9c12bc73d9097c38a9c7e6dc11f103a

    • 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

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

      Filesize

      788KB

      MD5

      6499ea6b92ab4971886bd06c12625819

      SHA1

      5ebb75eeca7625b9511233158a02f50a92867a39

      SHA256

      6820f276c0d71557a0c7b997fd2f4a3ac6a45c86454c4dc3bcfa29843b5c470b

      SHA512

      e57703730e42eb9d80e762337e08176705b349f54fbd429edc657d44c9dc3a1f9ccfa594bc3ef622798aebb5bc69b225abb266b00f9b350ae59f734c2f31f63d

    • C:\Users\Admin\AppData\Local\Temp\bin\eGsfkOFtUhj5Iqoc.exe

      Filesize

      2.4MB

      MD5

      a3c9b29774425f6e3e199c1bad32ab3d

      SHA1

      e0851dd24deef3352d2c3f651163d208c3ab0df6

      SHA256

      ff17bd3f171b30309a7cd36b47af4d6536c7b6a26d7b99f7c8a06c9c50387251

      SHA512

      022c5f6c2ffae13fddd982876edd79662a9dc3c59300cf6a37303a691de9c14be123ea601955173b20fd4f1d4019ae042a681d6fa006615226b314f382c02ab0

    • C:\Users\Admin\AppData\Local\Temp\bin\eGsfkOFtUhj5Iqoc.exe

      Filesize

      2.4MB

      MD5

      a3c9b29774425f6e3e199c1bad32ab3d

      SHA1

      e0851dd24deef3352d2c3f651163d208c3ab0df6

      SHA256

      ff17bd3f171b30309a7cd36b47af4d6536c7b6a26d7b99f7c8a06c9c50387251

      SHA512

      022c5f6c2ffae13fddd982876edd79662a9dc3c59300cf6a37303a691de9c14be123ea601955173b20fd4f1d4019ae042a681d6fa006615226b314f382c02ab0

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

      Filesize

      96.9MB

      MD5

      8c51876f1b5dfbf4964732a65c1f2724

      SHA1

      ed5653a3a5655ba65d6221285da93799bd2517f9

      SHA256

      5ae7eff0a7b91e54d211046111d088ed8820793c97ee689f20371c356af6b46e

      SHA512

      a4bb49b64b58767fcaf5b3b889a63c0917d56c59dd48283539903a6856caf69c5ce35655e68ef8bdad1e9bc80002fd2f68fc1e46977ba68926f7a731904a7884

    • memory/1700-139-0x00000000007C0000-0x0000000000A34000-memory.dmp

      Filesize

      2.5MB

    • memory/1700-136-0x0000000000000000-mapping.dmp

    • memory/2088-154-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-191-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-153-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-226-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-156-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-157-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-158-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-159-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-160-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-161-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-162-0x0000000005E80000-0x0000000005E88000-memory.dmp

      Filesize

      32KB

    • memory/2088-164-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-165-0x000000000A3E0000-0x000000000A418000-memory.dmp

      Filesize

      224KB

    • memory/2088-167-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-166-0x000000000A3B0000-0x000000000A3BE000-memory.dmp

      Filesize

      56KB

    • memory/2088-169-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-170-0x0000000005120000-0x0000000005170000-memory.dmp

      Filesize

      320KB

    • memory/2088-171-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-172-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-173-0x00000000052B0000-0x00000000052C2000-memory.dmp

      Filesize

      72KB

    • memory/2088-174-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-176-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-178-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-179-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-181-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-183-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-182-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-184-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-186-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-185-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-187-0x000000000BD30000-0x000000000C25C000-memory.dmp

      Filesize

      5.2MB

    • memory/2088-188-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-189-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-190-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-192-0x0000000004C60000-0x0000000004C6A000-memory.dmp

      Filesize

      40KB

    • memory/2088-152-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-193-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-194-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-195-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-196-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-197-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-198-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-199-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-200-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-201-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-151-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-150-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-149-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-147-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-146-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-209-0x000000000D780000-0x000000000D79C000-memory.dmp

      Filesize

      112KB

    • memory/2088-141-0x0000000000000000-mapping.dmp

    • memory/2088-225-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-210-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-214-0x000000000D7E0000-0x000000000D81E000-memory.dmp

      Filesize

      248KB

    • memory/2088-224-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-222-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-213-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-215-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-216-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-218-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-219-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-220-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-221-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/2088-223-0x000000006DB20000-0x000000006EA46000-memory.dmp

      Filesize

      15.1MB

    • memory/4636-133-0x0000000005D00000-0x00000000062A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4636-134-0x0000000005750000-0x00000000057E2000-memory.dmp

      Filesize

      584KB

    • memory/4636-135-0x0000000008C00000-0x0000000008C22000-memory.dmp

      Filesize

      136KB

    • memory/4636-132-0x0000000000B40000-0x0000000000C58000-memory.dmp

      Filesize

      1.1MB