Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2023 16:32

General

  • Target

    Amdau.exe

  • Size

    3.2MB

  • MD5

    c3ee25c18f2c408c9054d9c6d4c1e147

  • SHA1

    80d2395709b713647b199c22fdec5415d3a68052

  • SHA256

    c406b733897d091408ed5a656cfbf043623a8d08092269918184ccefd87971f0

  • SHA512

    d91a1675ca9a2923020ce244d00da6a9b686240dc7ef50185709ecbc2f6b8f92c371ee94ec277a2d3b0e33704c532d2f8779b39ac9f630b9b40f0794312d72f4

  • SSDEEP

    24576:0cUe92VHXy4fv6hfZQGwSWF6r+tLq9rNE0TR5sTlcJxbTGX+tIonLiMjrWD:rt9L4p7GJEeR51TGX10LPjrWD

Score
10/10

Malware Config

Extracted

Family

amadey

Version

3.86

C2

http://45.9.74.182/b7djSDcPcZ/index.php

Attributes
  • install_dir

    f3f10bd848

  • install_file

    bstyoops.exe

  • strings_key

    05986a1cda6dc6caabf469f27fb6c32d

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
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Amdau.exe
    "C:\Users\Admin\AppData\Local\Temp\Amdau.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Users\Admin\AppData\Local\Temp\1001233051\clip.exe
        "C:\Users\Admin\AppData\Local\Temp\1001233051\clip.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:812
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\smk.0.bat" "
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1716
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            5⤵
            • Delays execution with timeout.exe
            PID:1880
          • C:\ProgramData\presepuesto\LEAJ.exe
            "C:\ProgramData\presepuesto\LEAJ.exe"
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of WriteProcessMemory
            PID:760
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /RL HIGHEST /tn "LEAJ" /tr C:\ProgramData\presepuesto\LEAJ.exe /f
              6⤵
              • Creates scheduled task(s)
              PID:268
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7AC31ECC-EDD3-48E4-B68C-8EF73D3C6390} S-1-5-21-607259312-1573743425-2763420908-1000:NGTQGRML\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\ProgramData\presepuesto\LEAJ.exe
      C:\ProgramData\presepuesto\LEAJ.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:2024
    • C:\ProgramData\presepuesto\LEAJ.exe
      C:\ProgramData\presepuesto\LEAJ.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\presepuesto\LEAJ.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\ProgramData\presepuesto\LEAJ.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\ProgramData\presepuesto\LEAJ.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\ProgramData\presepuesto\LEAJ.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\Users\Admin\AppData\Local\Temp\1001233051\clip.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\Users\Admin\AppData\Local\Temp\1001233051\clip.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\Users\Admin\AppData\Local\Temp\1001233051\clip.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • C:\Users\Admin\AppData\Local\Temp\smk.0.bat

    Filesize

    173B

    MD5

    1eddc00f28dd6fb2438163467cc10f17

    SHA1

    c80d9d2d26c0fb979c248d0016fed24485113e4c

    SHA256

    482f4f17ad348ac47569d4ad3a31dc7fa69df3e834e7a349497db2622585b154

    SHA512

    e6efb84f22286075a9cca60755b53c567d23c98e26fe30efcc34e51ad5016f0710f3e8493364877e9242f79607a0a2362a75834fb77fedba0cb178638e00943f

  • C:\Users\Admin\AppData\Local\Temp\smk.0.bat

    Filesize

    173B

    MD5

    1eddc00f28dd6fb2438163467cc10f17

    SHA1

    c80d9d2d26c0fb979c248d0016fed24485113e4c

    SHA256

    482f4f17ad348ac47569d4ad3a31dc7fa69df3e834e7a349497db2622585b154

    SHA512

    e6efb84f22286075a9cca60755b53c567d23c98e26fe30efcc34e51ad5016f0710f3e8493364877e9242f79607a0a2362a75834fb77fedba0cb178638e00943f

  • \ProgramData\presepuesto\LEAJ.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • \Users\Admin\AppData\Local\Temp\1001233051\clip.exe

    Filesize

    5.6MB

    MD5

    55a7682ff0b918010481c8daa6b76a32

    SHA1

    e18309e4cd12d8217bc0d0f2ae3d58bf1a70cf5e

    SHA256

    033b38832db481d558743cc807a3657423535cc01d2e57fbca9035fa581e863d

    SHA512

    794d5c4d0ec7d5e00931251cfbc9d6da56d1d9964d43272849f4a424a448dba6c1549fa1f011bd8d07c31230922bd76e6cb69e11c4438b552fce98b9589de606

  • \Users\Admin\Videos\edddegyjjykj.exe

    Filesize

    3.2MB

    MD5

    c3ee25c18f2c408c9054d9c6d4c1e147

    SHA1

    80d2395709b713647b199c22fdec5415d3a68052

    SHA256

    c406b733897d091408ed5a656cfbf043623a8d08092269918184ccefd87971f0

    SHA512

    d91a1675ca9a2923020ce244d00da6a9b686240dc7ef50185709ecbc2f6b8f92c371ee94ec277a2d3b0e33704c532d2f8779b39ac9f630b9b40f0794312d72f4

  • memory/760-107-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/760-106-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/760-105-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/760-100-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/760-96-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-70-0x0000000076F30000-0x0000000076F32000-memory.dmp

    Filesize

    8KB

  • memory/812-83-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-71-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-69-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-63-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-60-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/812-59-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/1468-142-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/1716-95-0x00000000020B0000-0x0000000002171000-memory.dmp

    Filesize

    772KB

  • memory/2024-111-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/2024-123-0x0000000000400000-0x0000000001219000-memory.dmp

    Filesize

    14.1MB

  • memory/2732-91-0x0000000003960000-0x0000000004779000-memory.dmp

    Filesize

    14.1MB

  • memory/2732-30-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-43-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-51-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-42-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-40-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-56-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-58-0x0000000003960000-0x0000000004779000-memory.dmp

    Filesize

    14.1MB

  • memory/2732-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-37-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-36-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-44-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-35-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-34-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2732-32-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2980-28-0x0000000004610000-0x0000000004650000-memory.dmp

    Filesize

    256KB

  • memory/2980-15-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-68-0x0000000004610000-0x0000000004650000-memory.dmp

    Filesize

    256KB

  • memory/2980-27-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-25-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-90-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-0-0x0000000000C90000-0x0000000000FC4000-memory.dmp

    Filesize

    3.2MB

  • memory/2980-23-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-21-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-19-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-17-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-29-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB

  • memory/2980-13-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-11-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-9-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-7-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-5-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-4-0x0000000000480000-0x0000000000495000-memory.dmp

    Filesize

    84KB

  • memory/2980-3-0x0000000000480000-0x000000000049C000-memory.dmp

    Filesize

    112KB

  • memory/2980-2-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-1-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB