Analysis

  • max time kernel
    4294211s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    14-04-2022 12:42

General

  • Target

    407d00ff864c23f7e0bba54b241a5a0ca3338536f379b01c9d3c4265ee3d5a7a.exe

  • Size

    758KB

  • MD5

    b9f07eae87ab8f97846925ba316d0ced

  • SHA1

    fe930ddf51c68a9750ebd06fcf48ac0a57354d32

  • SHA256

    407d00ff864c23f7e0bba54b241a5a0ca3338536f379b01c9d3c4265ee3d5a7a

  • SHA512

    74b849e9c6d584d5294d06f3c8467f9f8b4fab4a4e94ae079f5e008880f4cdc83ab2e730023c0cbda9b57d405580e4ceefee169f24f989030ddc952eb0120351

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\407d00ff864c23f7e0bba54b241a5a0ca3338536f379b01c9d3c4265ee3d5a7a.exe
    "C:\Users\Admin\AppData\Local\Temp\407d00ff864c23f7e0bba54b241a5a0ca3338536f379b01c9d3c4265ee3d5a7a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OyHrDZnwOS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB07B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB07B.tmp

    Filesize

    1KB

    MD5

    711adfc036165aee96293000ab70d798

    SHA1

    c96d886f79102661880d4ba11fb93ab08a25b0b8

    SHA256

    f248ce6dfa2dfd75f92ae1ac4d529122ab8ab2d84974d02d5aff6fb44e3bd4de

    SHA512

    e0c997fe7ac1d02b1797f92532af803bcef40ababd4a475744082a3d140788f703859e5675e1b5ae3eec3e129ad83eb59012af23f38fa258f5070dcb23b65ec0

  • memory/1072-54-0x0000000000370000-0x0000000000434000-memory.dmp

    Filesize

    784KB

  • memory/1072-55-0x0000000000C60000-0x0000000000CCC000-memory.dmp

    Filesize

    432KB

  • memory/1072-56-0x0000000000440000-0x000000000045C000-memory.dmp

    Filesize

    112KB

  • memory/1072-57-0x0000000005330000-0x0000000005396000-memory.dmp

    Filesize

    408KB

  • memory/1072-60-0x00000000053A0000-0x00000000053DC000-memory.dmp

    Filesize

    240KB