Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 14:30

General

  • Target

    Kxu9tWXSZDee2tp.exe

  • Size

    484KB

  • MD5

    d2707686ad0cfac3c905cf5aaf5ef99e

  • SHA1

    918ba0b434065cc7066028cb33e630b8f12537dc

  • SHA256

    533a5423ce9cb853258e1d1fefe38744eddbaea1e3e1c0a472170dbba2bf1f31

  • SHA512

    c2ae296af44279ab176a1ec776c7070a7d1205e3c2f22a0febbde8153426a8648041413098dfbd48c1b38fed7715b5737017bf0ba565148984e8863fc3d902ee

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.indiaflanges.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dvdxq;nx{(MV5@m

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\Kxu9tWXSZDee2tp.exe
    "C:\Users\Admin\AppData\Local\Temp\Kxu9tWXSZDee2tp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\Kxu9tWXSZDee2tp.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1048

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\Kxu9tWXSZDee2tp.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1048-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1048-22-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
    Filesize

    4KB

  • memory/1048-21-0x0000000005650000-0x0000000005651000-memory.dmp
    Filesize

    4KB

  • memory/1048-20-0x0000000005320000-0x0000000005321000-memory.dmp
    Filesize

    4KB

  • memory/1048-15-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/1048-13-0x000000000043760E-mapping.dmp
  • memory/1316-7-0x0000000005040000-0x0000000005041000-memory.dmp
    Filesize

    4KB

  • memory/1316-11-0x00000000072F0000-0x0000000007350000-memory.dmp
    Filesize

    384KB

  • memory/1316-10-0x0000000007390000-0x0000000007391000-memory.dmp
    Filesize

    4KB

  • memory/1316-9-0x0000000005140000-0x000000000514E000-memory.dmp
    Filesize

    56KB

  • memory/1316-8-0x0000000005190000-0x0000000005191000-memory.dmp
    Filesize

    4KB

  • memory/1316-2-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/1316-6-0x0000000004F70000-0x0000000004F71000-memory.dmp
    Filesize

    4KB

  • memory/1316-5-0x0000000005470000-0x0000000005471000-memory.dmp
    Filesize

    4KB

  • memory/1316-3-0x0000000000630000-0x0000000000631000-memory.dmp
    Filesize

    4KB