Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2023 19:43

General

  • Target

    INVOICE No 0024600 pdf.exe

  • Size

    760KB

  • MD5

    d762674c7cd7b5ca30f5a428ef802b53

  • SHA1

    e711278519535632f72471283708d18311bd43d0

  • SHA256

    a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9

  • SHA512

    bfdc1944deab293c0ec75c84ebf33d9e5312861b4b83d4b18ca765d415e0ce579f2f9c1b49db69ee6ad034b665c096cc1bc186ea5655bc57cd144abe61714e19

  • SSDEEP

    12288:roVAr3QGH5hZ1gAJ8Ry947KZtCF/13ZfnmH4zl3AUhRcOJ5cOHa:roQ3H5n1gAuM947EwJhZfn24hw5y1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.quartieri97italy.com.ng
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    !CirSK48@7ks9Y12,.;8

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SFZiexfDFh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SFZiexfDFh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1587.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1232
    • C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
      2⤵
        PID:1040
      • C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
        2⤵
          PID:1788
        • C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2508
        • C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\INVOICE No 0024600 pdf.exe"
          2⤵
            PID:4060

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          6531a18adb2ba6381cae548653416854

          SHA1

          6021c2178a482f04527c45d9e2e163f68c218b08

          SHA256

          a3271e3b2cfa0fe2c2c1c99d8db75b05c40f9db2cced5a7564ba5ae93bd7ce1c

          SHA512

          f03538ca6003e35b5ede2e56d3df3692fa0952577aea69933d92bb8437818455b8c60fe9d605a231d8297c39266e85baba06267a2eb8ccfe61a1c1142ef607bf

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1nnto1da.q4y.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp1587.tmp

          Filesize

          1KB

          MD5

          cfe4ed9a20590f8b545755e11d047ffa

          SHA1

          94b42614fca096241d4c808ad16106d3714a5574

          SHA256

          b3e875a4a8ee5c76b36bde775763df0321d12a8a85507ac85647b268210824ee

          SHA512

          fececcf2aa0d56ba3e6137bdfa84600278cdec037dbabae5959db16f0700b6eb93c4760e8ab3eedc066b9df70f456ff9541e693be60ff7e820598e263d04130d

        • memory/852-6-0x0000000005C30000-0x0000000005CCC000-memory.dmp

          Filesize

          624KB

        • memory/852-5-0x0000000005B30000-0x0000000005B3A000-memory.dmp

          Filesize

          40KB

        • memory/852-4-0x0000000005C20000-0x0000000005C30000-memory.dmp

          Filesize

          64KB

        • memory/852-7-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/852-8-0x0000000005C20000-0x0000000005C30000-memory.dmp

          Filesize

          64KB

        • memory/852-0-0x0000000000F00000-0x0000000000FC4000-memory.dmp

          Filesize

          784KB

        • memory/852-47-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/852-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

          Filesize

          584KB

        • memory/852-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

          Filesize

          5.6MB

        • memory/852-1-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2028-13-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

          Filesize

          216KB

        • memory/2028-85-0x00000000076C0000-0x00000000076DA000-memory.dmp

          Filesize

          104KB

        • memory/2028-73-0x0000000006640000-0x000000000665E000-memory.dmp

          Filesize

          120KB

        • memory/2028-77-0x0000000004C40000-0x0000000004C50000-memory.dmp

          Filesize

          64KB

        • memory/2028-16-0x0000000004C40000-0x0000000004C50000-memory.dmp

          Filesize

          64KB

        • memory/2028-23-0x00000000058B0000-0x0000000005916000-memory.dmp

          Filesize

          408KB

        • memory/2028-15-0x0000000004C40000-0x0000000004C50000-memory.dmp

          Filesize

          64KB

        • memory/2028-76-0x000000007F1D0000-0x000000007F1E0000-memory.dmp

          Filesize

          64KB

        • memory/2028-34-0x0000000005A50000-0x0000000005AB6000-memory.dmp

          Filesize

          408KB

        • memory/2028-81-0x0000000007600000-0x0000000007696000-memory.dmp

          Filesize

          600KB

        • memory/2028-14-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2028-55-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2028-80-0x00000000073F0000-0x00000000073FA000-memory.dmp

          Filesize

          40KB

        • memory/2028-91-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2028-50-0x0000000004C40000-0x0000000004C50000-memory.dmp

          Filesize

          64KB

        • memory/2028-51-0x0000000004C40000-0x0000000004C50000-memory.dmp

          Filesize

          64KB

        • memory/2028-53-0x0000000071730000-0x000000007177C000-memory.dmp

          Filesize

          304KB

        • memory/2028-84-0x00000000075B0000-0x00000000075BE000-memory.dmp

          Filesize

          56KB

        • memory/2508-97-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2508-46-0x0000000001820000-0x0000000001830000-memory.dmp

          Filesize

          64KB

        • memory/2508-45-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/2508-35-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2508-98-0x0000000001820000-0x0000000001830000-memory.dmp

          Filesize

          64KB

        • memory/2508-95-0x0000000006D90000-0x0000000006DE0000-memory.dmp

          Filesize

          320KB

        • memory/3612-48-0x0000000006650000-0x000000000666E000-memory.dmp

          Filesize

          120KB

        • memory/3612-79-0x0000000006C60000-0x0000000006C7A000-memory.dmp

          Filesize

          104KB

        • memory/3612-78-0x0000000008000000-0x000000000867A000-memory.dmp

          Filesize

          6.5MB

        • memory/3612-74-0x000000007F500000-0x000000007F510000-memory.dmp

          Filesize

          64KB

        • memory/3612-82-0x0000000002D40000-0x0000000002D50000-memory.dmp

          Filesize

          64KB

        • memory/3612-54-0x0000000071730000-0x000000007177C000-memory.dmp

          Filesize

          304KB

        • memory/3612-52-0x0000000006B50000-0x0000000006B82000-memory.dmp

          Filesize

          200KB

        • memory/3612-86-0x0000000007C80000-0x0000000007C88000-memory.dmp

          Filesize

          32KB

        • memory/3612-87-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/3612-88-0x0000000002D40000-0x0000000002D50000-memory.dmp

          Filesize

          64KB

        • memory/3612-49-0x0000000002D40000-0x0000000002D50000-memory.dmp

          Filesize

          64KB

        • memory/3612-22-0x0000000005660000-0x0000000005682000-memory.dmp

          Filesize

          136KB

        • memory/3612-20-0x0000000002D40000-0x0000000002D50000-memory.dmp

          Filesize

          64KB

        • memory/3612-96-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/3612-19-0x0000000075060000-0x0000000075810000-memory.dmp

          Filesize

          7.7MB

        • memory/3612-18-0x0000000005740000-0x0000000005D68000-memory.dmp

          Filesize

          6.2MB

        • memory/3612-17-0x0000000002D40000-0x0000000002D50000-memory.dmp

          Filesize

          64KB