Analysis

  • max time kernel
    130s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • 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 11 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:3196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OFbCwZoilYO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C86.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2196
    • 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:1344

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\Microsoft\CLR_v4.0_32\UsageLogs\ea4d96f213ca97ecc5dcbffe408ff2bf.exe.log
    MD5

    c3cc52ccca9ff2b6fa8d267fc350ca6b

    SHA1

    a68d4028333296d222e4afd75dea36fdc98d05f3

    SHA256

    3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

    SHA512

    b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

  • C:\Users\Admin\AppData\Local\Temp\tmp6C86.tmp
    MD5

    a845f3529f8e8262cf656a43194bc1e4

    SHA1

    64426fbeb6c82119d8a018c3135d47003acb52de

    SHA256

    75130f11153b12355884fe42003042c32eaaf3717b2534e2d9f5f794604220c1

    SHA512

    6f8913789d3a3a9d1ff98c9e65b78b62389f00c9ace437787b5b6dccd08a15b239cf35146992347aad4abf26945e30387acc85ad218924f3205a225a2c40771d

  • memory/1344-135-0x0000000006530000-0x0000000006531000-memory.dmp
    Filesize

    4KB

  • memory/1344-134-0x0000000005C80000-0x0000000005C81000-memory.dmp
    Filesize

    4KB

  • memory/1344-133-0x00000000057D0000-0x0000000005CCE000-memory.dmp
    Filesize

    5.0MB

  • memory/1344-127-0x00000000004374BE-mapping.dmp
  • memory/1344-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2196-124-0x0000000000000000-mapping.dmp
  • memory/3196-119-0x00000000048E0000-0x00000000048E1000-memory.dmp
    Filesize

    4KB

  • memory/3196-123-0x0000000007020000-0x000000000705E000-memory.dmp
    Filesize

    248KB

  • memory/3196-122-0x0000000006F80000-0x0000000006FFC000-memory.dmp
    Filesize

    496KB

  • memory/3196-121-0x0000000004DB0000-0x0000000004DBB000-memory.dmp
    Filesize

    44KB

  • memory/3196-120-0x00000000048C0000-0x0000000004DBE000-memory.dmp
    Filesize

    5.0MB

  • memory/3196-114-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/3196-118-0x0000000004A00000-0x0000000004A01000-memory.dmp
    Filesize

    4KB

  • memory/3196-117-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB

  • memory/3196-116-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB