Analysis

  • max time kernel
    131s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 16:13

General

  • Target

    ea4d96f213ca97ecc5dcbffe408ff2bf.exe

  • Size

    645KB

  • MD5

    ea4d96f213ca97ecc5dcbffe408ff2bf

  • SHA1

    3b3cbeb4060970f0d349e6ec37a20cf1285800b7

  • SHA256

    aa49a468dd184ec1ee4b126823e7c3dec0539e75b0736b6f2a24116fc33badb9

  • SHA512

    ee8d48cef141b8b3ce84779eab1686ec474b0bcd786579c4494eb7ac9a0e4d868570499de735f2b300b76973e2cb5a06c1bd1f1645c4b2ea86a6731c2a5a7338

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    max.mccanna@metaltek.me
  • Password:
    GODGRACE12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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\ea4d96f213ca97ecc5dcbffe408ff2bf.exe
    "C:\Users\Admin\AppData\Local\Temp\ea4d96f213ca97ecc5dcbffe408ff2bf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OFbCwZoilYO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC82F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:268
    • C:\Users\Admin\AppData\Local\Temp\ea4d96f213ca97ecc5dcbffe408ff2bf.exe
      "C:\Users\Admin\AppData\Local\Temp\ea4d96f213ca97ecc5dcbffe408ff2bf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:572

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC82F.tmp
    MD5

    022f75d7c30cd36d2cdd9633a40b2ee7

    SHA1

    608af464fe3cae2ef0df8cac5d89bc4d04a49235

    SHA256

    4875882757a103b7165b7c1f9b5333e45a944f4ab219001d5cba717ff9ffac5b

    SHA512

    3dc5bca2d05057f3bbd7da4c8e53cbdc96d61abbc80801c29824a0501d7455485bd55e7139b30a2a58ee154543486f284c7395c192661c51654994bb6074c41f

  • memory/268-66-0x0000000000000000-mapping.dmp
  • memory/572-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/572-69-0x00000000004374BE-mapping.dmp
  • memory/572-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/572-72-0x0000000004990000-0x0000000004991000-memory.dmp
    Filesize

    4KB

  • memory/2028-60-0x0000000000B10000-0x0000000000B11000-memory.dmp
    Filesize

    4KB

  • memory/2028-62-0x0000000004B30000-0x0000000004B31000-memory.dmp
    Filesize

    4KB

  • memory/2028-63-0x0000000000490000-0x000000000049B000-memory.dmp
    Filesize

    44KB

  • memory/2028-64-0x00000000054D0000-0x000000000554C000-memory.dmp
    Filesize

    496KB

  • memory/2028-65-0x0000000000920000-0x000000000095E000-memory.dmp
    Filesize

    248KB