Resubmissions

17-01-2021 17:12

210117-75m2laq412 10

15-01-2021 08:50

210115-11cv2jl19x 10

Analysis

  • max time kernel
    132s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-01-2021 17:12

General

  • Target

    DINTEC order list.exe

  • Size

    926KB

  • MD5

    8e9950ad82cd29bde835f2a4dc42a0be

  • SHA1

    5b38df4eb0172ceee58625d9976bbc8034c633de

  • SHA256

    2e10233f14882e29da2131e7239cb850c3541e014ff77ce51a1a355f6a57e431

  • SHA512

    35bc22b752a70c333f60113cf4fc889c63091a4e05221287b4dde1b5518b1f36da96134fd6d93f37dd3bb915e4718937a2417b8cec03ad7a0c7b4e2c7d288229

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    userandpassbox@vivaldi.net
  • Password:
    Grace@331011Thinck

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DINTEC order list.exe
    "C:\Users\Admin\AppData\Local\Temp\DINTEC order list.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4692
    • C:\Users\Admin\AppData\Local\Temp\DINTEC order list.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3256

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_v4.0_32\UsageLogs\DINTEC order list.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/3256-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3256-25-0x0000000004E71000-0x0000000004E72000-memory.dmp
    Filesize

    4KB

  • memory/3256-22-0x0000000005AE0000-0x0000000005AE1000-memory.dmp
    Filesize

    4KB

  • memory/3256-21-0x0000000005A40000-0x0000000005A41000-memory.dmp
    Filesize

    4KB

  • memory/3256-20-0x0000000004E70000-0x0000000004E71000-memory.dmp
    Filesize

    4KB

  • memory/3256-15-0x0000000073430000-0x0000000073B1E000-memory.dmp
    Filesize

    6.9MB

  • memory/3256-13-0x000000000043752E-mapping.dmp
  • memory/4692-7-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/4692-11-0x0000000006320000-0x0000000006321000-memory.dmp
    Filesize

    4KB

  • memory/4692-10-0x0000000006220000-0x0000000006275000-memory.dmp
    Filesize

    340KB

  • memory/4692-9-0x00000000055F0000-0x00000000055FE000-memory.dmp
    Filesize

    56KB

  • memory/4692-8-0x00000000055D0000-0x00000000055D1000-memory.dmp
    Filesize

    4KB

  • memory/4692-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
    Filesize

    6.9MB

  • memory/4692-6-0x0000000005640000-0x0000000005641000-memory.dmp
    Filesize

    4KB

  • memory/4692-5-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
    Filesize

    4KB

  • memory/4692-3-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
    Filesize

    4KB