Analysis

  • max time kernel
    119s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09-07-2020 06:40

General

  • Target

    AWB DHL EXPRESS 2373274875_010000120755.exe

  • Size

    734KB

  • MD5

    05b054668913992e927075be1efc13e4

  • SHA1

    23da9baa8afee576063315caae6a9edf15898542

  • SHA256

    148a2accb78ee9c29fd6e8625b3377cc0ac36899ab182de8101b19fe34365334

  • SHA512

    5d67a095aa52b1afacb32d390a5f6b59fecd6088219670bbf3782b543dedf3897e9fdb1112a5aa46d075d6c40044e04a39494e051afcc4b132a8ce9697a5da06

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.shaw.ca
  • Port:
    587
  • Username:
    ap333@shaw.ca
  • Password:
    shaw123

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB DHL EXPRESS 2373274875_010000120755.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB DHL EXPRESS 2373274875_010000120755.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\AWB DHL EXPRESS 2373274875_010000120755.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:2692

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

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\AWB DHL EXPRESS 2373274875_010000120755.exe.log
    MD5

    ef140ef600b2463c9e7dbf064a104046

    SHA1

    c08fd1853877be95575ea2e860dd8cafef31f54c

    SHA256

    ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

    SHA512

    bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

  • memory/2692-0-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2692-1-0x000000000044734E-mapping.dmp