Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 13:50

General

  • Target

    7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe

  • Size

    891KB

  • MD5

    fb9f807889b5259c301967a4bb5f94c0

  • SHA1

    16a9d20108759843e6add0cd6d962180ec95e7a8

  • SHA256

    7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7

  • SHA512

    79bc782f6981af1d64950a9b6dea169e88032ba92296767143cb2003f2fd96fcff7c7302843d36d7c104525e78abf2c3c86f217871b383a66bb9cbb128163e68

  • SSDEEP

    12288:OCb+eCSmtf69nmPjmm153xBOsALReFEWNe2U9O+3EWvYb2NE1ftF:3CX69mrmmLQd+EWN+/YbR1lF

Malware Config

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 2 IoCs

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

  • 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe
    "C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2976
    • 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\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UPwsxyDW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UPwsxyDW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp242.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe
      "C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp242.tmp

    Filesize

    1KB

    MD5

    be211df07c669887cb7c91f34c1b19b7

    SHA1

    2624248e7a6ec0cb94a0f0cf6ebb0c461eb966a9

    SHA256

    2410b42bca48d1b518032e6b6ba1d8e83cdffa67931d70c6904a00a2b66d03b6

    SHA512

    a21660a91f663e36a240fd97171b2250dde048c10b9624223c7f3134bb117e0a8b8816f7c7ed2a3c75dbe6e79580139cea5e826ccf8802a3bd193e32999520ff

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    4647346bf4ae75872c77da6e022679d9

    SHA1

    052eac7f8b9aff0d5384a07c3809f72794b5a304

    SHA256

    e46e80c12c41f1a87758161407e9b111cee9524e2f36c95916c0024adfabb7be

    SHA512

    63542be8793c1b5fb7c61348d1ebd5eefaec99d9c58477b4552a25e8a7c4730a6754e733ec98ce1200c2ca5ae2702ac42b23559ba3b8b831cc09fd5292fd6e9a

  • memory/2800-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2800-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2976-6-0x0000000005EE0000-0x0000000005F64000-memory.dmp

    Filesize

    528KB

  • memory/2976-1-0x0000000000C10000-0x0000000000CF0000-memory.dmp

    Filesize

    896KB

  • memory/2976-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/2976-2-0x0000000074A30000-0x000000007511E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-3-0x0000000000590000-0x00000000005AC000-memory.dmp

    Filesize

    112KB

  • memory/2976-5-0x0000000074A30000-0x000000007511E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-4-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/2976-31-0x0000000074A30000-0x000000007511E000-memory.dmp

    Filesize

    6.9MB