Analysis

  • max time kernel
    141s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 12:36

General

  • Target

    PARTS REQUEST SO_30005141.exe

  • Size

    675KB

  • MD5

    e398d1d3147becaac2bba69798ed8536

  • SHA1

    7a53f04e19d2a90a36ef343a47246986aafce541

  • SHA256

    d7d0034131ad17dbfbb4a01fc0777da552bfe908862326c695a5894384659495

  • SHA512

    ea81f174b0210c418f27ebced75dc8f15b45f486d90c1af8a88b5d12d8a2fe00749983b50da40b13152601e083571ea42f689c4f7eb841c4d878ea925b878de3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hybridgroupco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Obinna123@@@

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe
    "C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe
      "C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4164

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\PARTS REQUEST SO_30005141.exe.log
    MD5

    5e7bb97636a484b5a87e60373614279a

    SHA1

    36bfdec32eedb141a4a106d89a453326f62593ee

    SHA256

    12ed6e1df2c57556c59dfd6630fd454a9df76166f340c41ee6bc54d98e709e20

    SHA512

    448c62d538e646045d7315ff902b86f614e2dc1eb0959c22c6618fd2c8767c330d24692357559310e6b55b0c35415a14a6ab2d6d9b8d2a03186949b97190fd56

  • memory/4164-3-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4164-4-0x00000000004374BE-mapping.dmp
  • memory/4164-6-0x0000000001180000-0x0000000001181000-memory.dmp
    Filesize

    4KB

  • memory/4164-7-0x0000000001181000-0x0000000001182000-memory.dmp
    Filesize

    4KB

  • memory/4164-8-0x0000000001182000-0x0000000001183000-memory.dmp
    Filesize

    4KB

  • memory/4704-2-0x00000000025C0000-0x00000000025C1000-memory.dmp
    Filesize

    4KB