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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2024, 22:31

General

  • Target

    RemittanceReceipt.exe

  • Size

    698KB

  • MD5

    db9a323fde82eac0d972eec0acde0209

  • SHA1

    88ead16576193df0d647c722d70b79f50300e852

  • SHA256

    e93171125e897ba3a556f1b0171629d2a9aaa3298510f97b5d7cda44b9c3c313

  • SHA512

    d22a3073ea9d5c6111e61200521fa9453fc5c5814a4cd64595d5d297c6c5f9d2b5d186d10700728d19087a72c8c392a87797ffe5a48440a42165b095f12204ad

  • SSDEEP

    12288:KCfiaaMHHsczu6ko6E52x82u6/DsXsW7mbXt8V8XME+L:KYi5MH1z9J2du6LsXGtm8Ra

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment1759

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RemittanceReceipt.exe
    "C:\Users\Admin\AppData\Local\Temp\RemittanceReceipt.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:716
    • 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\RemittanceReceipt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1376
    • C:\Users\Admin\AppData\Local\Temp\RemittanceReceipt.exe
      "C:\Users\Admin\AppData\Local\Temp\RemittanceReceipt.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yn1sulrx.f2q.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/716-6-0x0000000005830000-0x00000000058CC000-memory.dmp

    Filesize

    624KB

  • memory/716-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

    Filesize

    5.6MB

  • memory/716-3-0x0000000005530000-0x00000000055C2000-memory.dmp

    Filesize

    584KB

  • memory/716-4-0x00000000055F0000-0x00000000055FA000-memory.dmp

    Filesize

    40KB

  • memory/716-5-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/716-14-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/716-7-0x00000000069E0000-0x00000000069FE000-memory.dmp

    Filesize

    120KB

  • memory/716-8-0x00000000747CE000-0x00000000747CF000-memory.dmp

    Filesize

    4KB

  • memory/716-9-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/716-10-0x0000000004F70000-0x0000000004FF2000-memory.dmp

    Filesize

    520KB

  • memory/716-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

    Filesize

    4KB

  • memory/716-1-0x0000000000AD0000-0x0000000000B84000-memory.dmp

    Filesize

    720KB

  • memory/1376-51-0x0000000007600000-0x000000000761A000-memory.dmp

    Filesize

    104KB

  • memory/1376-36-0x00000000072A0000-0x00000000072D2000-memory.dmp

    Filesize

    200KB

  • memory/1376-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/1376-61-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/1376-58-0x0000000007920000-0x0000000007928000-memory.dmp

    Filesize

    32KB

  • memory/1376-19-0x00000000053D0000-0x00000000059F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1376-20-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/1376-21-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/1376-22-0x0000000005310000-0x0000000005332000-memory.dmp

    Filesize

    136KB

  • memory/1376-23-0x0000000005A00000-0x0000000005A66000-memory.dmp

    Filesize

    408KB

  • memory/1376-57-0x0000000007940000-0x000000000795A000-memory.dmp

    Filesize

    104KB

  • memory/1376-29-0x0000000005BE0000-0x0000000005F34000-memory.dmp

    Filesize

    3.3MB

  • memory/1376-34-0x00000000062C0000-0x00000000062DE000-memory.dmp

    Filesize

    120KB

  • memory/1376-35-0x00000000062F0000-0x000000000633C000-memory.dmp

    Filesize

    304KB

  • memory/1376-37-0x0000000070250000-0x000000007029C000-memory.dmp

    Filesize

    304KB

  • memory/1376-15-0x0000000004D60000-0x0000000004D96000-memory.dmp

    Filesize

    216KB

  • memory/1376-48-0x00000000072E0000-0x0000000007383000-memory.dmp

    Filesize

    652KB

  • memory/1376-47-0x00000000068C0000-0x00000000068DE000-memory.dmp

    Filesize

    120KB

  • memory/1376-56-0x0000000007840000-0x0000000007854000-memory.dmp

    Filesize

    80KB

  • memory/1376-50-0x0000000007C50000-0x00000000082CA000-memory.dmp

    Filesize

    6.5MB

  • memory/1376-55-0x0000000007830000-0x000000000783E000-memory.dmp

    Filesize

    56KB

  • memory/1376-52-0x0000000007670000-0x000000000767A000-memory.dmp

    Filesize

    40KB

  • memory/1376-53-0x0000000007880000-0x0000000007916000-memory.dmp

    Filesize

    600KB

  • memory/1376-54-0x0000000007800000-0x0000000007811000-memory.dmp

    Filesize

    68KB

  • memory/4976-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4976-49-0x0000000006B70000-0x0000000006BC0000-memory.dmp

    Filesize

    320KB

  • memory/4976-13-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-18-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-16-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/4976-62-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-63-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB