Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 07:47

General

  • Target

    SOA FOR APR 2024 PDF.exe

  • Size

    706KB

  • MD5

    7a6e9d01d9162c7537ba8091187e4235

  • SHA1

    f5b69f4b0ec8cd0a4b7bab26a0de167c8cc535cd

  • SHA256

    7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47

  • SHA512

    7af388861a5be63b87e8159e2b20bf78d110517b8db6a314a7128cba29075734be43c543b1d701e360778d539951c58e3c06bc2ee2e2ad6855d0067fff55a199

  • SSDEEP

    12288:mWYIPXjxannnHg2rA1a8vHKzUREMEngfnRhU0KjqdAwz725zfjVfjKIsj+1F0DxY:mWYIPFannnHg2Qa86n0LdAA70ztjRh0W

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.

  • 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).

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • 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\SOA FOR APR 2024 PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeBIYZL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeBIYZL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D55.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2400
    • C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4D55.tmp
    Filesize

    1KB

    MD5

    d97e5dd58e41add6cf0e08fa04adc142

    SHA1

    f4dab853f3de404dfc46bca2b1487a1165695a12

    SHA256

    4433c13a83416014ae99c4b5b0a00da121a5936197acf307e8d3b3a5f383c73d

    SHA512

    778ae97c9583d5fcf70bbe4d1ce811113c3ee513405b351124897b6fceb5adf3b258554f32be9fc090fcdd54087f3cf1a5c9984b5cf314051ac9419b07dc08f6

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

    7KB

    MD5

    0bb80887cd6e1cea3d0d3eb2cd96a78e

    SHA1

    ca29e58f4daddb4511964e405f5537918ed61ca6

    SHA256

    1b31df241476214fa619ad723d6ebddeb934958340d6a4644ae50996c8ceb5f8

    SHA512

    14c5433f739d224e29e84a9d491772c41c0505845eddc221256c6b01004d0bd4469fb1ab463c56ec924b075352dda6232e81bd89794057adbe3f1016dfe02a04

  • memory/1952-0-0x0000000000100000-0x00000000001B4000-memory.dmp
    Filesize

    720KB

  • memory/1952-1-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1952-2-0x0000000004660000-0x00000000046A0000-memory.dmp
    Filesize

    256KB

  • memory/1952-3-0x0000000000590000-0x00000000005B0000-memory.dmp
    Filesize

    128KB

  • memory/1952-4-0x0000000000740000-0x0000000000754000-memory.dmp
    Filesize

    80KB

  • memory/1952-5-0x0000000005A00000-0x0000000005A84000-memory.dmp
    Filesize

    528KB

  • memory/1952-30-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2380-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-39-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2380-21-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2380-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-17-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-29-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-44-0x0000000074540000-0x0000000074C2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2380-43-0x0000000004A70000-0x0000000004AB0000-memory.dmp
    Filesize

    256KB

  • memory/2380-19-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2380-37-0x0000000004A70000-0x0000000004AB0000-memory.dmp
    Filesize

    256KB

  • memory/2664-36-0x00000000028E0000-0x0000000002920000-memory.dmp
    Filesize

    256KB

  • memory/2664-34-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2664-40-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2664-31-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2796-35-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2796-38-0x0000000002A80000-0x0000000002AC0000-memory.dmp
    Filesize

    256KB

  • memory/2796-33-0x0000000002A80000-0x0000000002AC0000-memory.dmp
    Filesize

    256KB

  • memory/2796-41-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2796-32-0x000000006E020000-0x000000006E5CB000-memory.dmp
    Filesize

    5.7MB