Analysis

  • max time kernel
    135s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-02-2021 09:57

General

  • Target

    SecuriteInfo.com.Trojan.GenericKDZ.73174.20386.8356.exe

  • Size

    741KB

  • MD5

    e87fd305545cf2e642fee18b57bb5252

  • SHA1

    56fb770cfd829873cd4e45941969335ff98ad0ef

  • SHA256

    655f621c3d3f6a7da99b1c332ab6dc1d4d9aae9cdef583360c480de982884513

  • SHA512

    fb12f831515aefe3c39c60a8ec9f96febbef5a31c2013e36337ec31191bcebd92e62410d8618ce62860ebfbfd986120624340c5e00d01041afb103a44ef274a2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.microhydrotechnic.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    saibaba@1974

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\SecuriteInfo.com.Trojan.GenericKDZ.73174.20386.8356.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73174.20386.8356.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATnEOHuleKEd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5A0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73174.20386.8356.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4252

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.GenericKDZ.73174.20386.8356.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • C:\Users\Admin\AppData\Local\Temp\tmpF5A0.tmp
    MD5

    cdb76e6f6e6de73d40bbfbd28d07e653

    SHA1

    4236c6213c47d3d66a0e93a4be9041efcbd85df4

    SHA256

    3c5859fce76faee23ca420cbd5ecdd6bb0a232198bf1e93071170ba5ff3ec636

    SHA512

    efd33c71980c9737148f58fb60847b3f65df87cffdb2e34753a755ba00fbb254112f0a3872dd4ad44d1c83865fda392c340af6921254d9dd6b3327c9c9dde09e

  • memory/2916-12-0x0000000000000000-mapping.dmp
  • memory/4252-24-0x00000000060F0000-0x00000000060F1000-memory.dmp
    Filesize

    4KB

  • memory/4252-23-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/4252-22-0x0000000005770000-0x0000000005771000-memory.dmp
    Filesize

    4KB

  • memory/4252-17-0x0000000073CE0000-0x00000000743CE000-memory.dmp
    Filesize

    6.9MB

  • memory/4252-15-0x00000000004374BE-mapping.dmp
  • memory/4252-14-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4704-7-0x0000000004B40000-0x0000000004B41000-memory.dmp
    Filesize

    4KB

  • memory/4704-11-0x0000000008130000-0x00000000081B6000-memory.dmp
    Filesize

    536KB

  • memory/4704-10-0x00000000081C0000-0x00000000081C1000-memory.dmp
    Filesize

    4KB

  • memory/4704-9-0x0000000008110000-0x000000000811B000-memory.dmp
    Filesize

    44KB

  • memory/4704-8-0x0000000004D10000-0x0000000004D11000-memory.dmp
    Filesize

    4KB

  • memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp
    Filesize

    6.9MB

  • memory/4704-6-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB

  • memory/4704-5-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/4704-3-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB