Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 02:53

General

  • Target

    c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe

  • Size

    634KB

  • MD5

    516b4e94538b0696b4d1c29651129507

  • SHA1

    cf83ed10338ea104b84f918609aee66173ff16b5

  • SHA256

    c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac

  • SHA512

    4e5118dab7b04e5d59a80c42f55cb4f92e4604ed3083ef05b03a7ba548e82490ccbebd4465e6b2c021e4356e55aeea250f2922b5b50b772030499a0605a49133

  • SSDEEP

    12288:945+po2/sTE5qgk7ek/FYJXcq/PlG1jqb6qIY/:o+pJxcek/wVP4IWLg

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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe
    "C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vHhbDot.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHhbDot" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8DDE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2660
    • C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe
      "C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8DDE.tmp

    Filesize

    1KB

    MD5

    b7d43b78f3c98f802026eff1e6300fab

    SHA1

    34bac61ec1b89f18d40d28edf476ce3813c14b7a

    SHA256

    891c3e50b395354e8752ae86d7c41c6ae8f7b607b201b026384d7d7fb49b5a9a

    SHA512

    702e7a09b4f06766194522d15a44b2a1ffcafbc94c9ec5f486e103c49c287032b5ee2036693636a56c38e364d1cb8117b3dfa5685add812a5fd9ee5e5a7a6947

  • memory/1444-0-0x0000000000D90000-0x0000000000E34000-memory.dmp

    Filesize

    656KB

  • memory/1444-1-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1444-2-0x0000000004EC0000-0x0000000004F00000-memory.dmp

    Filesize

    256KB

  • memory/1444-3-0x0000000000640000-0x0000000000658000-memory.dmp

    Filesize

    96KB

  • memory/1444-4-0x0000000000620000-0x0000000000628000-memory.dmp

    Filesize

    32KB

  • memory/1444-5-0x0000000000660000-0x000000000066A000-memory.dmp

    Filesize

    40KB

  • memory/1444-6-0x0000000004EC0000-0x0000000004F00000-memory.dmp

    Filesize

    256KB

  • memory/1444-7-0x0000000005D30000-0x0000000005DAE000-memory.dmp

    Filesize

    504KB

  • memory/1444-25-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-30-0x00000000006B0000-0x00000000006F0000-memory.dmp

    Filesize

    256KB

  • memory/2756-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2756-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-26-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-29-0x0000000072B00000-0x00000000731EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2756-37-0x00000000006B0000-0x00000000006F0000-memory.dmp

    Filesize

    256KB

  • memory/2756-36-0x0000000072B00000-0x00000000731EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-33-0x0000000002220000-0x0000000002260000-memory.dmp

    Filesize

    256KB

  • memory/2768-34-0x0000000002220000-0x0000000002260000-memory.dmp

    Filesize

    256KB

  • memory/2768-35-0x00000000740F0000-0x000000007469B000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-32-0x00000000740F0000-0x000000007469B000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-31-0x00000000740F0000-0x000000007469B000-memory.dmp

    Filesize

    5.7MB