Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 01:49

General

  • Target

    95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe

  • Size

    824KB

  • MD5

    f681bfe9067146c00c505fb432b76954

  • SHA1

    b8964139f6131d04d82a1d765119f2de56d8d19d

  • SHA256

    95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f

  • SHA512

    b628c25a0b3057bbe4dba888b72c5ab93212c840b4109662de761892097948aa7a027a065596b8d9640cc8b6983cf244c51d1c0a3ed094d84045b1aa65a92e1f

  • SSDEEP

    24576:1CPjKr5BNDUAOwzkMtykVufX50rF2zFTp0Ot+Rp:ck5BNA3w4E3m26Ft0Ot2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe
    "C:\Users\Admin\AppData\Local\Temp\95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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\95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aSnAUZLrCvIo.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aSnAUZLrCvIo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38DC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2532
    • C:\Users\Admin\AppData\Local\Temp\95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe
      "C:\Users\Admin\AppData\Local\Temp\95ee433b86af5f7dd0aee255ec685b83658ebdf24821d6feca7e978f41aafa7f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp38DC.tmp

    Filesize

    1KB

    MD5

    9c559531ac119852e03f822f90f7de13

    SHA1

    714d7820dba930f447afaf5e439b50d87e451545

    SHA256

    9ac4aad260fea92b4aa28aaf833f1133f742fc184d007b8c135c211e839e1ac7

    SHA512

    1c646ce591c8c121b8517d6343923a30280f3855cac75411a2237900d3b95dc3d2aa183d8403c9eb95d47eb9fc5915b3a6101bf01e8e65cefc3df28a815d5165

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AM731KSPJ80COARAPK9B.temp

    Filesize

    7KB

    MD5

    2940b44e47395e8bfcf74ed6e8376eea

    SHA1

    3c4a1d8db2532919f4bcebba17b8c2b841a9a8b6

    SHA256

    2f641bb710008b78fc9cb723c66c217feda2e4a1720df500f7785cbdf39cdfaf

    SHA512

    39c86a49f93c36f6360ffe63407038793d46ec868f2c085d9ce3bcf063815e4731d5edff0436ef8a845ad3719dbef131e66a12a7fb442e525f932f3d2f415e67

  • memory/2444-31-0x0000000074E40000-0x000000007552E000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-1-0x0000000074E40000-0x000000007552E000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-2-0x0000000004470000-0x00000000044B0000-memory.dmp

    Filesize

    256KB

  • memory/2444-3-0x00000000002C0000-0x00000000002E0000-memory.dmp

    Filesize

    128KB

  • memory/2444-4-0x00000000002E0000-0x00000000002F4000-memory.dmp

    Filesize

    80KB

  • memory/2444-5-0x0000000005240000-0x00000000052C4000-memory.dmp

    Filesize

    528KB

  • memory/2444-0-0x00000000008E0000-0x00000000009B4000-memory.dmp

    Filesize

    848KB

  • memory/2576-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2576-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2576-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB