Analysis

  • max time kernel
    125s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-01-2021 20:36

General

  • Target

    DHL fill.exe

  • Size

    846KB

  • MD5

    dc81402ee20c6c841878056b741be497

  • SHA1

    daec27546790932536d47fcb49ee8abfa225c80b

  • SHA256

    1b467c02c56a9130e3fb9e62e0ee62aa6b950845c9858f95656e659b814699c3

  • SHA512

    e6045c1e8c4b99ca7bfacde85ed2b36348c8fe28e8e4efaec27531362a79161e0c27fc6005f4b3e3eb550a95d024a1992701c15497df1c1290fb4f6fbceda57a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dicon.md
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nneoma1234@

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\DHL fill.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL fill.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\DHL fill.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3652

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\DHL fill.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1148-9-0x0000000007200000-0x000000000729A000-memory.dmp
    Filesize

    616KB

  • memory/1148-5-0x0000000005080000-0x0000000005081000-memory.dmp
    Filesize

    4KB

  • memory/1148-6-0x0000000004C20000-0x0000000004C21000-memory.dmp
    Filesize

    4KB

  • memory/1148-7-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/1148-8-0x0000000004E70000-0x0000000004E7E000-memory.dmp
    Filesize

    56KB

  • memory/1148-2-0x0000000073450000-0x0000000073B3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1148-10-0x0000000007340000-0x0000000007341000-memory.dmp
    Filesize

    4KB

  • memory/1148-3-0x0000000000300000-0x0000000000301000-memory.dmp
    Filesize

    4KB

  • memory/3652-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3652-12-0x00000000004374AE-mapping.dmp
  • memory/3652-14-0x0000000073450000-0x0000000073B3E000-memory.dmp
    Filesize

    6.9MB

  • memory/3652-19-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
    Filesize

    4KB

  • memory/3652-20-0x0000000005B60000-0x0000000005B61000-memory.dmp
    Filesize

    4KB