Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 16:09

General

  • Target

    hesaphareketi-01.pdf.exe

  • Size

    675KB

  • MD5

    a31452fd58c3e120006a7dfd3f7fd88e

  • SHA1

    672f98fff52ff2a6b14a955e945a623b1f7a518c

  • SHA256

    129865eb4a51fe06e9843260e1380be012fae638c3f150ea9f9f52e505627111

  • SHA512

    ea5b32c6de668d179228ef817fe7f51f4d2946c8a54abcd33487ec088a0fde99d6f8151614ffe627a38118bb60c8982d87b3a271f743644488ec431d8fdcff36

  • SSDEEP

    12288:hhkZ5GrHrhDM102xTI0iWPkajbICsxSW1Q1DPwdiyGLYS8+Yid6tojjj:hK/UrhQ102xkZWMajUCslQidiyWcmjX

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nRHoPsSkpXCKjs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nRHoPsSkpXCKjs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA277.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1288
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA277.tmp

    Filesize

    1KB

    MD5

    a2e3c6470aca303605ee6a73051fad16

    SHA1

    86b41fd5706b456cd30d3eebc28c2376fd2d9147

    SHA256

    05f0af65ec23e003903acc0b46377819e02ae6d2c9a2e71bfb86b5b8acac5c58

    SHA512

    3de5a34f33d4b4b4650c2711c4dc3745f44c756cd278f2d92f5b8b0b5f818296abb41a3c62cf3f03b52789b72f48f117924dc563a3a14ad8841bab58a7572499

  • memory/1316-0-0x0000000000FF0000-0x00000000010A0000-memory.dmp

    Filesize

    704KB

  • memory/1316-1-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/1316-2-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/1316-3-0x0000000000570000-0x000000000058A000-memory.dmp

    Filesize

    104KB

  • memory/1316-4-0x00000000005D0000-0x00000000005D8000-memory.dmp

    Filesize

    32KB

  • memory/1316-5-0x00000000005F0000-0x00000000005FA000-memory.dmp

    Filesize

    40KB

  • memory/1316-6-0x0000000005260000-0x00000000052DE000-memory.dmp

    Filesize

    504KB

  • memory/1316-7-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/1316-8-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/1316-27-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2764-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-30-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-31-0x0000000000E90000-0x0000000000ED0000-memory.dmp

    Filesize

    256KB

  • memory/2764-37-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-35-0x00000000700C0000-0x000000007066B000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-36-0x00000000700C0000-0x000000007066B000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-34-0x00000000700C0000-0x000000007066B000-memory.dmp

    Filesize

    5.7MB