Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:12

General

  • Target

    1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe

  • Size

    696KB

  • MD5

    b212315bbfa4a9c69eecd4712b47a7f1

  • SHA1

    f3690e7f673cb3d479442f20167ee643e82a802b

  • SHA256

    1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7

  • SHA512

    6ce59dd85054a5b6713418bee5368a356e4989b9007d585ff8ab148ac413d2c1db7f9012ab558e5466d400f92d970f5eba71f969890e382f665f223a1ef14973

  • SSDEEP

    12288:kil5nF8+Vdqrlb8B5XlfO45dh7D2JPXNwMrKcFedsft40080A13AjJIEN:tlbqhb8BXF5dhOXWst4008l+lIA

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 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
    "C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyEvKVcNpye.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyEvKVcNpye" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A12.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2996
    • C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
      "C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5A12.tmp

    Filesize

    1KB

    MD5

    1b8fd511fa77f1a7903402266f2d0e70

    SHA1

    bdd942acc86372135e3cc77f7fa9182634e31a09

    SHA256

    b286cc7707d292ae6f872974d090a4a667a819042e6f60fe9721271c33984e6f

    SHA512

    1e3c0fb1ae8c37e66b8f432a7684428a50ce2233320deb83f59b98acf5351454153b9726ef355768e257e92985277a20792c3d4af3ac5dd61b5c189ef73eee87

  • memory/2368-20-0x00000000743D0000-0x0000000074ABE000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-1-0x00000000743D0000-0x0000000074ABE000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-2-0x00000000044E0000-0x0000000004520000-memory.dmp

    Filesize

    256KB

  • memory/2368-3-0x0000000000820000-0x0000000000838000-memory.dmp

    Filesize

    96KB

  • memory/2368-4-0x0000000000840000-0x0000000000848000-memory.dmp

    Filesize

    32KB

  • memory/2368-5-0x0000000000850000-0x000000000085A000-memory.dmp

    Filesize

    40KB

  • memory/2368-6-0x00000000052D0000-0x000000000534A000-memory.dmp

    Filesize

    488KB

  • memory/2368-0-0x0000000000C20000-0x0000000000CD2000-memory.dmp

    Filesize

    712KB

  • memory/2368-30-0x00000000743D0000-0x0000000074ABE000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-37-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2384-31-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2384-38-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2384-34-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2384-36-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2384-32-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

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

    Filesize

    264KB

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

    Filesize

    264KB

  • memory/2680-33-0x00000000743D0000-0x0000000074ABE000-memory.dmp

    Filesize

    6.9MB

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

    Filesize

    264KB

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

    Filesize

    264KB

  • memory/2680-35-0x0000000004B00000-0x0000000004B40000-memory.dmp

    Filesize

    256KB

  • memory/2680-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-39-0x00000000743D0000-0x0000000074ABE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-40-0x0000000004B00000-0x0000000004B40000-memory.dmp

    Filesize

    256KB