Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-03-2024 13:42

General

  • Target

    346187de7ff100d813b4d216d499564d4b533da14d047c52e3d63a797edc39b7.exe

  • Size

    1.8MB

  • MD5

    d3fe829cb80bef7da149291b4991dd4e

  • SHA1

    249d28ee45f0a6c4160dd1de2d95536df5a8de4c

  • SHA256

    346187de7ff100d813b4d216d499564d4b533da14d047c52e3d63a797edc39b7

  • SHA512

    4ef295bc0e01d5c732da5fcc97f2e0a4283fc2d9c363602eb123794a94539707f26887d5714eb25e8add80da43d6943fd71594b47c20383eaca358c11c06e771

  • SSDEEP

    49152:FYhxZRjbVckq+sa2/HUUcKWerleQeDr+z9fqbC:FGxZtW+o/cKWerlezr+U

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\346187de7ff100d813b4d216d499564d4b533da14d047c52e3d63a797edc39b7.exe
    "C:\Users\Admin\AppData\Local\Temp\346187de7ff100d813b4d216d499564d4b533da14d047c52e3d63a797edc39b7.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:2760
    • 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:996
      • 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:4696
        • 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:2176
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4484
            • 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\594324687199_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5072
        • 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:3128
    • 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:1904
    • 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:4924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.8MB

      MD5

      d3fe829cb80bef7da149291b4991dd4e

      SHA1

      249d28ee45f0a6c4160dd1de2d95536df5a8de4c

      SHA256

      346187de7ff100d813b4d216d499564d4b533da14d047c52e3d63a797edc39b7

      SHA512

      4ef295bc0e01d5c732da5fcc97f2e0a4283fc2d9c363602eb123794a94539707f26887d5714eb25e8add80da43d6943fd71594b47c20383eaca358c11c06e771

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

      Filesize

      320KB

      MD5

      fdb08e2a0896ff37d3b377f2271b8a8e

      SHA1

      503c6301105dcd01a129d4a4b9a815096cc9ff07

      SHA256

      9d5d4ac2824c5e649e4f0f66ac5e450c4d22d21d7285c9486282084764f5f51a

      SHA512

      7754c0e7ffef357bcb08a77b37eb38ba0df91beb94b5566e02cab82db801ac7bd580920af4a6868681df981cce409b5afde6e035abe79a5a76f6c7bcc4de01dc

    • C:\Users\Admin\AppData\Local\Temp\594324687199_Desktop.zip

      Filesize

      177KB

      MD5

      89536108bf2e6235f6b5569f4beabe0e

      SHA1

      79f55cd1287b88e998f1ef530931d183b672032b

      SHA256

      bbfdcf2badc57cf259be2d6d0fbde1bbe3874baf7700e529c6e40c0a9f507a5f

      SHA512

      cbde62170fc5079fafb3ac290ff47a4bbf2b43ba35226520b82d5b5ca636d48dbcae0d49b05315153a81ed8a41b8d6b9f19c888838a2dd55b2973539ded5547a

    • C:\Users\Admin\AppData\Local\Temp\_Files_\SplitConvertFrom.xlsx

      Filesize

      177KB

      MD5

      8bd623f31c41f87df5097b9af346787b

      SHA1

      e442100355306b40ceee10b9f33cc0145da71b71

      SHA256

      e6dbdb9b884e99cfdfb9d37870ff63d4d5072693b43799bfccc7ea31223ca19f

      SHA512

      591a5c6f696c033bb5463241cee871a2ae37b298c92ff25ae49a944a6fe0bab324a71ee40929b6609d1729e63028d96c08d75644b83697bf0f4f063f308b9f73

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r2velot3.zu4.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/996-26-0x00000000054E0000-0x00000000054E1000-memory.dmp

      Filesize

      4KB

    • memory/996-30-0x0000000005520000-0x0000000005521000-memory.dmp

      Filesize

      4KB

    • memory/996-93-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-95-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-21-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-82-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-23-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-25-0x0000000005500000-0x0000000005501000-memory.dmp

      Filesize

      4KB

    • memory/996-24-0x00000000054F0000-0x00000000054F1000-memory.dmp

      Filesize

      4KB

    • memory/996-96-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-27-0x0000000005530000-0x0000000005531000-memory.dmp

      Filesize

      4KB

    • memory/996-28-0x00000000054C0000-0x00000000054C1000-memory.dmp

      Filesize

      4KB

    • memory/996-29-0x00000000054D0000-0x00000000054D1000-memory.dmp

      Filesize

      4KB

    • memory/996-94-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-31-0x0000000005550000-0x0000000005551000-memory.dmp

      Filesize

      4KB

    • memory/996-32-0x0000000005540000-0x0000000005541000-memory.dmp

      Filesize

      4KB

    • memory/996-33-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-34-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-35-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-97-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-98-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-109-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-80-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-110-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-69-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/996-111-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/1904-91-0x0000000004F40000-0x0000000004F41000-memory.dmp

      Filesize

      4KB

    • memory/1904-92-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/1904-90-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

      Filesize

      4KB

    • memory/1904-89-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

      Filesize

      4KB

    • memory/1904-88-0x0000000004F50000-0x0000000004F51000-memory.dmp

      Filesize

      4KB

    • memory/1904-85-0x0000000004F10000-0x0000000004F11000-memory.dmp

      Filesize

      4KB

    • memory/1904-87-0x0000000004F00000-0x0000000004F01000-memory.dmp

      Filesize

      4KB

    • memory/1904-86-0x0000000004F20000-0x0000000004F21000-memory.dmp

      Filesize

      4KB

    • memory/1904-84-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/1904-83-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/2760-8-0x0000000005080000-0x0000000005081000-memory.dmp

      Filesize

      4KB

    • memory/2760-1-0x0000000077166000-0x0000000077168000-memory.dmp

      Filesize

      8KB

    • memory/2760-2-0x0000000000C60000-0x0000000001103000-memory.dmp

      Filesize

      4.6MB

    • memory/2760-3-0x00000000050A0000-0x00000000050A1000-memory.dmp

      Filesize

      4KB

    • memory/2760-22-0x0000000000C60000-0x0000000001103000-memory.dmp

      Filesize

      4.6MB

    • memory/2760-4-0x00000000050B0000-0x00000000050B1000-memory.dmp

      Filesize

      4KB

    • memory/2760-5-0x0000000005090000-0x0000000005091000-memory.dmp

      Filesize

      4KB

    • memory/2760-6-0x00000000050D0000-0x00000000050D1000-memory.dmp

      Filesize

      4KB

    • memory/2760-0-0x0000000000C60000-0x0000000001103000-memory.dmp

      Filesize

      4.6MB

    • memory/2760-7-0x0000000005070000-0x0000000005071000-memory.dmp

      Filesize

      4KB

    • memory/2760-9-0x00000000050F0000-0x00000000050F1000-memory.dmp

      Filesize

      4KB

    • memory/4924-105-0x0000000004E40000-0x0000000004E41000-memory.dmp

      Filesize

      4KB

    • memory/4924-104-0x0000000004E00000-0x0000000004E01000-memory.dmp

      Filesize

      4KB

    • memory/4924-108-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/4924-107-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

      Filesize

      4KB

    • memory/4924-106-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

      Filesize

      4KB

    • memory/4924-100-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/4924-101-0x0000000000680000-0x0000000000B23000-memory.dmp

      Filesize

      4.6MB

    • memory/4924-103-0x0000000004E20000-0x0000000004E21000-memory.dmp

      Filesize

      4KB

    • memory/4924-102-0x0000000004E10000-0x0000000004E11000-memory.dmp

      Filesize

      4KB

    • memory/5072-62-0x00000173BF6F0000-0x00000173BF6FA000-memory.dmp

      Filesize

      40KB

    • memory/5072-58-0x00000173BF770000-0x00000173BF780000-memory.dmp

      Filesize

      64KB

    • memory/5072-60-0x00000173BF770000-0x00000173BF780000-memory.dmp

      Filesize

      64KB

    • memory/5072-67-0x00007FFFC1470000-0x00007FFFC1F32000-memory.dmp

      Filesize

      10.8MB

    • memory/5072-61-0x00000173BF700000-0x00000173BF712000-memory.dmp

      Filesize

      72KB

    • memory/5072-59-0x00000173BF770000-0x00000173BF780000-memory.dmp

      Filesize

      64KB

    • memory/5072-57-0x00007FFFC1470000-0x00007FFFC1F32000-memory.dmp

      Filesize

      10.8MB

    • memory/5072-56-0x00000173A7470000-0x00000173A7492000-memory.dmp

      Filesize

      136KB