Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 13:19

General

  • Target

    PO#0094321.exe

  • Size

    689KB

  • MD5

    e938208917aa519c849d75e33c77214f

  • SHA1

    ab4a3013de343543309fd80e593ae1e66d4da166

  • SHA256

    75ae08a3551577bab675fa1b9263e6eb6173be749864b0b073ed535cf57597b9

  • SHA512

    599562228352a9138f2f9b7131f415739ce75668d8067abd14d8c5edad6329cc716fc848b678d418e99a69491a949d8d571b990e84855bfbfca8f2c27d3e5258

  • SSDEEP

    12288:t2iNvFIsPAdbMybkIrlZlI/5+cYH2ViL+x8LEvHCqQwQqPbuFz1ycHshxk:t1DIKabOIrlZlu+cViyx8L0H5KFoqg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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).

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iTdPrWZP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2272
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTdPrWZP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4386.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2632
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4386.tmp

    Filesize

    1KB

    MD5

    301fde1b05b47939412a0e0dcd93fe86

    SHA1

    acbcc83b8685b70cf4f5ce122f1a69eb2b20c1be

    SHA256

    2ea08542e604e0d33096ccfd77f497657ab35f26b4270c00e426915c1e47a944

    SHA512

    74aff05401bc67dd17fa3a5d52ff2d062d07099c6508acd2375a77c7a8ade15d649692b6ea3c267f2b12cc6435b63828c861040378d11a89a131b2df58988a4c

  • memory/2220-26-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000000A80000-0x0000000000B32000-memory.dmp

    Filesize

    712KB

  • memory/2220-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-3-0x0000000000720000-0x0000000000732000-memory.dmp

    Filesize

    72KB

  • memory/2220-4-0x0000000000740000-0x0000000000748000-memory.dmp

    Filesize

    32KB

  • memory/2220-5-0x0000000000790000-0x000000000079C000-memory.dmp

    Filesize

    48KB

  • memory/2220-6-0x0000000004F50000-0x0000000004FD4000-memory.dmp

    Filesize

    528KB

  • memory/2220-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/2680-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB