Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-03-2024 01:08

General

  • Target

    376ed655b53b7df00e2a4bd6898943b08c9e27031f2cfde2c028d4f012ef06a4.exe

  • Size

    1.8MB

  • MD5

    eec22ed5b2a2f269fc2b96585f09e9d3

  • SHA1

    c8f13c0804e9e980622b7657e3cec359e87f7450

  • SHA256

    376ed655b53b7df00e2a4bd6898943b08c9e27031f2cfde2c028d4f012ef06a4

  • SHA512

    fa442720b19ad3e27f10fdac8deed9bb0a26b1002981d205a50fd68389ce7bdb3504633c03517ea7cd305b062e7908a2bd8c1535d1b7b042f5705701f1303075

  • SSDEEP

    49152:WXqrrbUdsOo6QgJ9MFsFcYQGMUMZApvizaEl6shUA:WXqr5tgsiFcYwUpeH

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 5 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 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 5 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\376ed655b53b7df00e2a4bd6898943b08c9e27031f2cfde2c028d4f012ef06a4.exe
    "C:\Users\Admin\AppData\Local\Temp\376ed655b53b7df00e2a4bd6898943b08c9e27031f2cfde2c028d4f012ef06a4.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 FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4636
    • 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:2192
      • 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:2252
        • 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:3116
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:3088
            • 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\602636161432_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2348
        • 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:3316
    • 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:2604
    • 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:1048
    • 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:4660

    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

      eec22ed5b2a2f269fc2b96585f09e9d3

      SHA1

      c8f13c0804e9e980622b7657e3cec359e87f7450

      SHA256

      376ed655b53b7df00e2a4bd6898943b08c9e27031f2cfde2c028d4f012ef06a4

      SHA512

      fa442720b19ad3e27f10fdac8deed9bb0a26b1002981d205a50fd68389ce7bdb3504633c03517ea7cd305b062e7908a2bd8c1535d1b7b042f5705701f1303075

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rvevuiou.v1d.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/1048-98-0x0000000005700000-0x0000000005701000-memory.dmp
      Filesize

      4KB

    • memory/1048-97-0x00000000056F0000-0x00000000056F1000-memory.dmp
      Filesize

      4KB

    • memory/1048-96-0x0000000005760000-0x0000000005761000-memory.dmp
      Filesize

      4KB

    • memory/1048-99-0x0000000005750000-0x0000000005751000-memory.dmp
      Filesize

      4KB

    • memory/1048-94-0x0000000005730000-0x0000000005731000-memory.dmp
      Filesize

      4KB

    • memory/1048-92-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/1048-95-0x0000000005710000-0x0000000005711000-memory.dmp
      Filesize

      4KB

    • memory/1048-93-0x0000000005720000-0x0000000005721000-memory.dmp
      Filesize

      4KB

    • memory/1048-100-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-28-0x0000000005020000-0x0000000005021000-memory.dmp
      Filesize

      4KB

    • memory/2192-102-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-26-0x0000000005070000-0x0000000005071000-memory.dmp
      Filesize

      4KB

    • memory/2192-24-0x0000000005040000-0x0000000005041000-memory.dmp
      Filesize

      4KB

    • memory/2192-27-0x0000000005010000-0x0000000005011000-memory.dmp
      Filesize

      4KB

    • memory/2192-118-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-29-0x0000000005050000-0x0000000005051000-memory.dmp
      Filesize

      4KB

    • memory/2192-31-0x0000000005090000-0x0000000005091000-memory.dmp
      Filesize

      4KB

    • memory/2192-30-0x00000000050A0000-0x00000000050A1000-memory.dmp
      Filesize

      4KB

    • memory/2192-117-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-106-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-105-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-104-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-103-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-25-0x0000000005030000-0x0000000005031000-memory.dmp
      Filesize

      4KB

    • memory/2192-101-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-90-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-89-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-42-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-23-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-22-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-88-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-87-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-76-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2192-65-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2348-62-0x0000016DE7760000-0x0000016DE7782000-memory.dmp
      Filesize

      136KB

    • memory/2348-75-0x00007FFF9C970000-0x00007FFF9D432000-memory.dmp
      Filesize

      10.8MB

    • memory/2348-66-0x0000016DE7810000-0x0000016DE7820000-memory.dmp
      Filesize

      64KB

    • memory/2348-69-0x0000016DE77B0000-0x0000016DE77BA000-memory.dmp
      Filesize

      40KB

    • memory/2348-63-0x00007FFF9C970000-0x00007FFF9D432000-memory.dmp
      Filesize

      10.8MB

    • memory/2348-64-0x0000016DE7810000-0x0000016DE7820000-memory.dmp
      Filesize

      64KB

    • memory/2348-67-0x0000016DE7810000-0x0000016DE7820000-memory.dmp
      Filesize

      64KB

    • memory/2348-68-0x0000016DE77D0000-0x0000016DE77E2000-memory.dmp
      Filesize

      72KB

    • memory/2604-40-0x00000000054B0000-0x00000000054B1000-memory.dmp
      Filesize

      4KB

    • memory/2604-33-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2604-41-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2604-34-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/2604-36-0x00000000054E0000-0x00000000054E1000-memory.dmp
      Filesize

      4KB

    • memory/2604-37-0x00000000054C0000-0x00000000054C1000-memory.dmp
      Filesize

      4KB

    • memory/2604-35-0x00000000054D0000-0x00000000054D1000-memory.dmp
      Filesize

      4KB

    • memory/2604-38-0x0000000005500000-0x0000000005501000-memory.dmp
      Filesize

      4KB

    • memory/2604-39-0x00000000054A0000-0x00000000054A1000-memory.dmp
      Filesize

      4KB

    • memory/4636-2-0x0000000000FF0000-0x00000000014A5000-memory.dmp
      Filesize

      4.7MB

    • memory/4636-21-0x0000000000FF0000-0x00000000014A5000-memory.dmp
      Filesize

      4.7MB

    • memory/4636-1-0x0000000077DB6000-0x0000000077DB8000-memory.dmp
      Filesize

      8KB

    • memory/4636-4-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
      Filesize

      4KB

    • memory/4636-6-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
      Filesize

      4KB

    • memory/4636-5-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
      Filesize

      4KB

    • memory/4636-7-0x0000000004F90000-0x0000000004F91000-memory.dmp
      Filesize

      4KB

    • memory/4636-8-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
      Filesize

      4KB

    • memory/4636-9-0x0000000005010000-0x0000000005011000-memory.dmp
      Filesize

      4KB

    • memory/4636-3-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
      Filesize

      4KB

    • memory/4636-0-0x0000000000FF0000-0x00000000014A5000-memory.dmp
      Filesize

      4.7MB

    • memory/4660-108-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/4660-111-0x00000000057E0000-0x00000000057E1000-memory.dmp
      Filesize

      4KB

    • memory/4660-112-0x0000000005820000-0x0000000005821000-memory.dmp
      Filesize

      4KB

    • memory/4660-113-0x00000000057C0000-0x00000000057C1000-memory.dmp
      Filesize

      4KB

    • memory/4660-114-0x00000000057D0000-0x00000000057D1000-memory.dmp
      Filesize

      4KB

    • memory/4660-115-0x0000000005800000-0x0000000005801000-memory.dmp
      Filesize

      4KB

    • memory/4660-116-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB

    • memory/4660-110-0x00000000057F0000-0x00000000057F1000-memory.dmp
      Filesize

      4KB

    • memory/4660-109-0x0000000000D60000-0x0000000001215000-memory.dmp
      Filesize

      4.7MB