Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 14:11

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:2512
    • 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:2184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CJYBQgRdXTAe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB174.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2724
    • 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:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB174.tmp

    Filesize

    1KB

    MD5

    9f8d5d599d88fb526ca9ef6a8c8b4d7d

    SHA1

    55947909d02d78a1fdf69ac92cdbcdf274d09f7c

    SHA256

    1790ffc865f2558777e16558da8a8371698e3f1746d3f35296088e357280a09f

    SHA512

    77485edc278ecfdf12fbce82d87a731b6ad83c8bce0cf63e3c9077db73f0ec2e43f4869272c06c5b4ffa2be9a0b7e1cff44877d879688d462292bd03906efb45

  • memory/2184-34-0x000000006E740000-0x000000006ECEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-33-0x0000000002330000-0x0000000002370000-memory.dmp

    Filesize

    256KB

  • memory/2184-32-0x0000000002330000-0x0000000002370000-memory.dmp

    Filesize

    256KB

  • memory/2184-29-0x000000006E740000-0x000000006ECEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-28-0x000000006E740000-0x000000006ECEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-6-0x0000000005BF0000-0x0000000005C6A000-memory.dmp

    Filesize

    488KB

  • memory/2512-0-0x0000000000F70000-0x000000000102A000-memory.dmp

    Filesize

    744KB

  • memory/2512-1-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-2-0x0000000004830000-0x0000000004870000-memory.dmp

    Filesize

    256KB

  • memory/2512-3-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/2512-4-0x0000000000870000-0x0000000000878000-memory.dmp

    Filesize

    32KB

  • memory/2512-5-0x0000000000880000-0x000000000088A000-memory.dmp

    Filesize

    40KB

  • memory/2512-26-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-30-0x0000000072FE0000-0x00000000736CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-31-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB

  • memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2652-35-0x0000000072FE0000-0x00000000736CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-36-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB