Analysis

  • max time kernel
    142s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26-03-2024 07:49

General

  • Target

    6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c.exe

  • Size

    1.8MB

  • MD5

    1592614bbb413b57fa01b1b27da9907f

  • SHA1

    f1893b91fd1f0fc05ad5cd9c2b2539bece424466

  • SHA256

    6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

  • SHA512

    7aad3bf5dc27945a0912c63ec925cd4885ea06e86d3c75cd0e7aa29c29bcdae50a355eb5f9269301f9621a58b4c7fb33a6c27295f3a10eff3156a2a86e7aad7e

  • SSDEEP

    49152:G903H9oi32WUF+IKCggf9KwJU0QrmCnAZAj8hmh8QrMa:GW352N+/hgfcw2bnAZa8hQ

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c.exe
    "C:\Users\Admin\AppData\Local\Temp\6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1696
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3568
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4392
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\567984660271_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2968
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:4584
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:3344
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:4876

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Unsecured Credentials

    3
    T1552

    Credentials In Files

    2
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      Filesize

      1.8MB

      MD5

      1592614bbb413b57fa01b1b27da9907f

      SHA1

      f1893b91fd1f0fc05ad5cd9c2b2539bece424466

      SHA256

      6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

      SHA512

      7aad3bf5dc27945a0912c63ec925cd4885ea06e86d3c75cd0e7aa29c29bcdae50a355eb5f9269301f9621a58b4c7fb33a6c27295f3a10eff3156a2a86e7aad7e

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2n5j32sq.yzm.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll
      Filesize

      109KB

      MD5

      726cd06231883a159ec1ce28dd538699

      SHA1

      404897e6a133d255ad5a9c26ac6414d7134285a2

      SHA256

      12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46

      SHA512

      9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
      Filesize

      1.2MB

      MD5

      15a42d3e4579da615a384c717ab2109b

      SHA1

      22aeedeb2307b1370cdab70d6a6b6d2c13ad2301

      SHA256

      3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103

      SHA512

      1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444

    • memory/2968-55-0x00007FF993DA0000-0x00007FF994862000-memory.dmp
      Filesize

      10.8MB

    • memory/2968-56-0x0000020A4FDE0000-0x0000020A4FE02000-memory.dmp
      Filesize

      136KB

    • memory/2968-58-0x0000020A4FE70000-0x0000020A4FE80000-memory.dmp
      Filesize

      64KB

    • memory/2968-57-0x0000020A4FE70000-0x0000020A4FE80000-memory.dmp
      Filesize

      64KB

    • memory/2968-59-0x0000020A4FE70000-0x0000020A4FE80000-memory.dmp
      Filesize

      64KB

    • memory/2968-60-0x0000020A4FE80000-0x0000020A4FE92000-memory.dmp
      Filesize

      72KB

    • memory/2968-61-0x0000020A4FE60000-0x0000020A4FE6A000-memory.dmp
      Filesize

      40KB

    • memory/2968-67-0x00007FF993DA0000-0x00007FF994862000-memory.dmp
      Filesize

      10.8MB

    • memory/3344-87-0x00000000053E0000-0x00000000053E1000-memory.dmp
      Filesize

      4KB

    • memory/3344-81-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3344-82-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3344-84-0x0000000005420000-0x0000000005421000-memory.dmp
      Filesize

      4KB

    • memory/3344-85-0x0000000005400000-0x0000000005401000-memory.dmp
      Filesize

      4KB

    • memory/3344-83-0x0000000005410000-0x0000000005411000-memory.dmp
      Filesize

      4KB

    • memory/3344-86-0x0000000005450000-0x0000000005451000-memory.dmp
      Filesize

      4KB

    • memory/3344-88-0x00000000053F0000-0x00000000053F1000-memory.dmp
      Filesize

      4KB

    • memory/3344-89-0x0000000005440000-0x0000000005441000-memory.dmp
      Filesize

      4KB

    • memory/3344-90-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-27-0x00000000051A0000-0x00000000051A1000-memory.dmp
      Filesize

      4KB

    • memory/3380-110-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-34-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-32-0x00000000051E0000-0x00000000051E1000-memory.dmp
      Filesize

      4KB

    • memory/3380-46-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-30-0x0000000005160000-0x0000000005161000-memory.dmp
      Filesize

      4KB

    • memory/3380-31-0x0000000005170000-0x0000000005171000-memory.dmp
      Filesize

      4KB

    • memory/3380-29-0x00000000051C0000-0x00000000051C1000-memory.dmp
      Filesize

      4KB

    • memory/3380-28-0x0000000005180000-0x0000000005181000-memory.dmp
      Filesize

      4KB

    • memory/3380-111-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-26-0x0000000005190000-0x0000000005191000-memory.dmp
      Filesize

      4KB

    • memory/3380-25-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-24-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-91-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-68-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-109-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-79-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-108-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-107-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-96-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-95-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-94-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-93-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3380-33-0x00000000051F0000-0x00000000051F1000-memory.dmp
      Filesize

      4KB

    • memory/3380-92-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/3948-5-0x0000000004C00000-0x0000000004C01000-memory.dmp
      Filesize

      4KB

    • memory/3948-9-0x0000000004C40000-0x0000000004C41000-memory.dmp
      Filesize

      4KB

    • memory/3948-2-0x0000000000760000-0x0000000000C15000-memory.dmp
      Filesize

      4.7MB

    • memory/3948-4-0x0000000004C20000-0x0000000004C21000-memory.dmp
      Filesize

      4KB

    • memory/3948-3-0x0000000004C10000-0x0000000004C11000-memory.dmp
      Filesize

      4KB

    • memory/3948-7-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
      Filesize

      4KB

    • memory/3948-6-0x0000000004C50000-0x0000000004C51000-memory.dmp
      Filesize

      4KB

    • memory/3948-8-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
      Filesize

      4KB

    • memory/3948-0-0x0000000000760000-0x0000000000C15000-memory.dmp
      Filesize

      4.7MB

    • memory/3948-23-0x0000000000760000-0x0000000000C15000-memory.dmp
      Filesize

      4.7MB

    • memory/3948-11-0x0000000004C60000-0x0000000004C61000-memory.dmp
      Filesize

      4KB

    • memory/3948-1-0x0000000077006000-0x0000000077008000-memory.dmp
      Filesize

      8KB

    • memory/3948-10-0x0000000004C70000-0x0000000004C71000-memory.dmp
      Filesize

      4KB

    • memory/4876-102-0x0000000005400000-0x0000000005401000-memory.dmp
      Filesize

      4KB

    • memory/4876-104-0x00000000053E0000-0x00000000053E1000-memory.dmp
      Filesize

      4KB

    • memory/4876-105-0x00000000053F0000-0x00000000053F1000-memory.dmp
      Filesize

      4KB

    • memory/4876-106-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/4876-103-0x0000000005440000-0x0000000005441000-memory.dmp
      Filesize

      4KB

    • memory/4876-100-0x0000000005410000-0x0000000005411000-memory.dmp
      Filesize

      4KB

    • memory/4876-101-0x0000000005420000-0x0000000005421000-memory.dmp
      Filesize

      4KB

    • memory/4876-99-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB

    • memory/4876-98-0x0000000000980000-0x0000000000E35000-memory.dmp
      Filesize

      4.7MB