Analysis

  • max time kernel
    148s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 19:12

General

  • Target

    115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4.exe

  • Size

    592KB

  • MD5

    e2ef0f6e834690854721f8ba684b94db

  • SHA1

    d4fa7f7fd40def49cd7a0fcce67769d499f21a2a

  • SHA256

    115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4

  • SHA512

    30987a1955b2dfd79582991da8da664d6c8032ed7ac62fe330ecf408fb1e34c5d590f05b95d9b86158e0302c14be9f118a429311dc5ef83a41fc6a05b5c16c86

  • SSDEEP

    12288:w3AblbrW2sld21fNlRUFn034Z7rE5Gn530vOve3BuwVTMsM:wY9W2vWn0UE5Gnp0GoBjtT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fikriye1234

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4.exe
    "C:\Users\Admin\AppData\Local\Temp\115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cubgXfkORLHSwT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6578.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1980
    • C:\Users\Admin\AppData\Local\Temp\115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4.exe
      "C:\Users\Admin\AppData\Local\Temp\115938b85fd59cb7f1e47bf016b25a4d68f6e4a9d4fc69881b628f49f516efb4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6578.tmp

    Filesize

    1KB

    MD5

    7bdcb4b61e377637771776e51de0bb91

    SHA1

    d4c735570632c83cc8cd50d12b5f774c6387fe30

    SHA256

    d7a92914b81b7e50ef194dd53fb34651e9719d0d3f46a6d5d758d2062d136fc7

    SHA512

    632db6cc5222e209e853e392f8ffb3712cb7b1e9d44ef5ba71b75e049c573e1cc4a2d7eee0d442174b79c47a152445a44d7ddee1f63fa9867cbd6b21c8a8bc63

  • memory/1852-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-66-0x00000000004374AE-mapping.dmp

  • memory/1852-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1852-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1884-56-0x00000000004D0000-0x00000000004DA000-memory.dmp

    Filesize

    40KB

  • memory/1884-57-0x0000000004FC0000-0x0000000005034000-memory.dmp

    Filesize

    464KB

  • memory/1884-55-0x0000000075571000-0x0000000075573000-memory.dmp

    Filesize

    8KB

  • memory/1884-54-0x0000000001320000-0x00000000013BA000-memory.dmp

    Filesize

    616KB

  • memory/1980-58-0x0000000000000000-mapping.dmp