Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 14:09

General

  • Target

    1MARI SH.P.K EUR64.5210 2023121012023.exe

  • Size

    715KB

  • MD5

    cfba352b6f12bfadbca73ca3a541717b

  • SHA1

    2d58416e94cdb543c5ed9c2703ce139ea29936cd

  • SHA256

    fb0514347c4e3087847d4457e4dad6e14bb018ab1881bf7d64ea3bebdc308391

  • SHA512

    aabe55c8707e82357f8a92f59eba1eb844ed9bfe55d1e840257160c3136a66e92ffd22e49fbc1f82edcfccbd49315b37a00560c071f0be086deccefb5daa0ea6

  • SSDEEP

    12288:VdIX2lk31cLDB+p6ZtULyQLU1mOlEzODK2w3l/EMMbBq:V3lk32nw6myQ6wzOtGVEVg

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\1MARI SH.P.K EUR64.5210 2023121012023.exe
    "C:\Users\Admin\AppData\Local\Temp\1MARI SH.P.K EUR64.5210 2023121012023.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CJYBQgRdXTAe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CJYBQgRdXTAe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD72D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2172
    • C:\Users\Admin\AppData\Local\Temp\1MARI SH.P.K EUR64.5210 2023121012023.exe
      "C:\Users\Admin\AppData\Local\Temp\1MARI SH.P.K EUR64.5210 2023121012023.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD72D.tmp

    Filesize

    1KB

    MD5

    9047d9a703cd6005658b28c7ad8ed1cd

    SHA1

    6bb09e2989cd83010bd5ddf339a94d7bf38c6aa0

    SHA256

    31f3c5baf54cc4de37c53de634773bc9fac63a88c299d657d40c2b482c0372e1

    SHA512

    f59fc46bcb4275978e4de1a5a73eadcc99a977fd36df927a1a5309765961e6bf99e8af01960bab08c5162fa1dbb631f7db104c7ea366290d20fc516987b432f4

  • memory/2256-6-0x0000000005220000-0x000000000529A000-memory.dmp

    Filesize

    488KB

  • memory/2256-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

    Filesize

    256KB

  • memory/2256-3-0x0000000000390000-0x00000000003A6000-memory.dmp

    Filesize

    88KB

  • memory/2256-4-0x00000000004B0000-0x00000000004B8000-memory.dmp

    Filesize

    32KB

  • memory/2256-5-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2256-20-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-0-0x0000000000100000-0x00000000001BA000-memory.dmp

    Filesize

    744KB

  • memory/2408-32-0x0000000074FA0000-0x000000007554B000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-31-0x0000000002320000-0x0000000002360000-memory.dmp

    Filesize

    256KB

  • memory/2408-30-0x0000000002320000-0x0000000002360000-memory.dmp

    Filesize

    256KB

  • memory/2408-29-0x0000000074FA0000-0x000000007554B000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-28-0x0000000074FA0000-0x000000007554B000-memory.dmp

    Filesize

    5.7MB

  • memory/2668-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-26-0x0000000073C50000-0x000000007433E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-27-0x0000000000870000-0x00000000008B0000-memory.dmp

    Filesize

    256KB

  • memory/2668-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-33-0x0000000073C50000-0x000000007433E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-34-0x0000000000870000-0x00000000008B0000-memory.dmp

    Filesize

    256KB