Analysis

  • max time kernel
    101s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-04-2022 01:06

General

  • Target

    369705733b8a6e137b10e00790ef7c4a0ea1226f78166ef349dc4d87b6c6db34.exe

  • Size

    461KB

  • MD5

    f96e23b97b1e47afa6f37bdd5cb4e16f

  • SHA1

    69dda98259275f18c45917613cd05c0e72238322

  • SHA256

    369705733b8a6e137b10e00790ef7c4a0ea1226f78166ef349dc4d87b6c6db34

  • SHA512

    e4e610423f90031705937de5da1dec1f5610277fbd8389279eb4a999c9476d47691513df54caaef83dde694713dd0afed0ba853e3d46ad711c3d0f30a16e02bd

Malware Config

Extracted

Family

agenttesla

Credentials

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\369705733b8a6e137b10e00790ef7c4a0ea1226f78166ef349dc4d87b6c6db34.exe
    "C:\Users\Admin\AppData\Local\Temp\369705733b8a6e137b10e00790ef7c4a0ea1226f78166ef349dc4d87b6c6db34.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aaGsBsfb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE199.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1216
    • C:\Users\Admin\AppData\Local\Temp\369705733b8a6e137b10e00790ef7c4a0ea1226f78166ef349dc4d87b6c6db34.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE199.tmp

    Filesize

    1KB

    MD5

    d86e851c4a7ec16cdf84fbb629e6fb73

    SHA1

    918e1a48da1db766b8eed06b8b38c8bdaacc5e28

    SHA256

    32f00c99c9d2a503290b8a16c95deacb9827b5d385c6d6cbc162fe6d84b6fe9b

    SHA512

    aee77efe29fc8d9a1a7312f4deec4d9550c6b2170439b7d14ccc0dc480092136d7b93278ae9df519bc076ad3b082263ab1bebdf2353815a4288f309ca4a42d69

  • memory/1880-54-0x0000000000FF0000-0x000000000106A000-memory.dmp

    Filesize

    488KB

  • memory/1880-55-0x0000000000660000-0x000000000067C000-memory.dmp

    Filesize

    112KB

  • memory/1880-56-0x0000000004550000-0x00000000045B8000-memory.dmp

    Filesize

    416KB

  • memory/2036-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2036-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB