Analysis

  • max time kernel
    114s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    14-04-2022 12:39

General

  • Target

    e484d01f9c3885794ba1fbd44760b61fe779cb0a5deccaa0b191e04f6f9810c0.exe

  • Size

    756KB

  • MD5

    f102830b868ee3c2a5c50831d0848052

  • SHA1

    6040522ab7642bea1555995c7b43906dcee46173

  • SHA256

    e484d01f9c3885794ba1fbd44760b61fe779cb0a5deccaa0b191e04f6f9810c0

  • SHA512

    b77c2fd5bc2ec52064be214954e5010accfa785463cabca7ae2b07893f2541ca66b66a95cab9d32f90158dcf8244096051d6674e0f1020a2c9cab72523588df2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e484d01f9c3885794ba1fbd44760b61fe779cb0a5deccaa0b191e04f6f9810c0.exe
    "C:\Users\Admin\AppData\Local\Temp\e484d01f9c3885794ba1fbd44760b61fe779cb0a5deccaa0b191e04f6f9810c0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Jrqpij" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA78.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1408
    • C:\Users\Admin\AppData\Local\Temp\e484d01f9c3885794ba1fbd44760b61fe779cb0a5deccaa0b191e04f6f9810c0.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDA78.tmp

    Filesize

    1KB

    MD5

    013282ef236015c3d48d4e3d5a218a7d

    SHA1

    3154903a3b2a8d3f7a565c7f5721a50ecb5b99ca

    SHA256

    4582254dac32d24c9428d0aa204dbe36667d8dccf9bc05a30c4a989ff4f44e29

    SHA512

    237d6f2488cb5ebb13d703068a512221cb12da102e15a8230568c85fbdde1d6520186671054613d72d8a33b1bffaaeb2ba21dfefab8d93368b8e01facc8a1c6b

  • memory/684-54-0x00000000010F0000-0x00000000011B4000-memory.dmp

    Filesize

    784KB

  • memory/684-55-0x0000000000A80000-0x0000000000AEC000-memory.dmp

    Filesize

    432KB

  • memory/684-56-0x0000000000BB0000-0x0000000000BCC000-memory.dmp

    Filesize

    112KB

  • memory/684-57-0x0000000005BE0000-0x0000000005C46000-memory.dmp

    Filesize

    408KB

  • memory/1668-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1668-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB