Analysis

  • max time kernel
    143s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:08

General

  • Target

    56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33.exe

  • Size

    821KB

  • MD5

    d35db88b2c20127d768d5258184ff3fc

  • SHA1

    4fc478d20bea3aac8b8bdab2a2fbbb6c8cee04ed

  • SHA256

    56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33

  • SHA512

    c232696dd0e7dd8d671de84c0f6115ca9536ea287327a928c52441c3fc5bafd18e7ae0c4bf673f0680572c625dbc2be73de02c129eae3e6cb06c3c11851dad88

  • SSDEEP

    12288:WG2qjXUb9tm//NXYQkCIgWB3FgE7WZi9709qtykVdsIC3+zCfYbumbfm8Ot5ui0D:rFQb9QZWJzcY67fbn/dY+uYzTo5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ugoblaq007

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ugoblaq007

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33.exe
    "C:\Users\Admin\AppData\Local\Temp\56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QnWDZQozqDUEb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1136
    • C:\Users\Admin\AppData\Local\Temp\56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\56a6d776412d00655381e2f1df4c53837c58ffb933bb5c896b4375fc97c3ae33.exe.log

    Filesize

    1KB

    MD5

    400f1cc1a0a0ce1cdabda365ab3368ce

    SHA1

    1ecf683f14271d84f3b6063493dce00ff5f42075

    SHA256

    c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

    SHA512

    14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

  • C:\Users\Admin\AppData\Local\Temp\tmp14C0.tmp

    Filesize

    1KB

    MD5

    0df6a24ee8de8dc30cbac23bd85055da

    SHA1

    cb14bc534400bb0754bd1b3b476475f0fa1852cd

    SHA256

    c5c7f45352db648c86f42a976ad76c269ae8675b537ed4bae16842835d775cb8

    SHA512

    2ccb1de4fefb65bb4f92362930233906fe2e48e6f37a163a4d8948e47939e9812e52ac73514d132a3909a7582c77102dd67590f54ec807d9dc4a5530df3dd3b9

  • memory/1136-137-0x0000000000000000-mapping.dmp

  • memory/4288-139-0x0000000000000000-mapping.dmp

  • memory/4288-140-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4288-142-0x0000000005C30000-0x0000000005C96000-memory.dmp

    Filesize

    408KB

  • memory/4288-143-0x00000000068F0000-0x0000000006940000-memory.dmp

    Filesize

    320KB

  • memory/4648-132-0x0000000000BE0000-0x0000000000CB6000-memory.dmp

    Filesize

    856KB

  • memory/4648-133-0x0000000005C90000-0x0000000006234000-memory.dmp

    Filesize

    5.6MB

  • memory/4648-134-0x00000000056E0000-0x0000000005772000-memory.dmp

    Filesize

    584KB

  • memory/4648-135-0x0000000005680000-0x000000000568A000-memory.dmp

    Filesize

    40KB

  • memory/4648-136-0x00000000094D0000-0x000000000956C000-memory.dmp

    Filesize

    624KB