Analysis

  • max time kernel
    145s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:17

General

  • Target

    Purchase Oder.exe

  • Size

    430KB

  • MD5

    baaf22c14b3b7f5a5a67d02abf6fce2f

  • SHA1

    19da6834ac6d6a107ffb7623ba1147eb362e5db4

  • SHA256

    ca38289752e799523d0031fd56900abe2f43d0c2c0eee48f010728c6a22959ff

  • SHA512

    33d6d910d04a9ea6368ca652df791ff7d576c129befff5e03c1ca2f8bc78e30913e79629c850e141a70522bbd7e3d7e64a703e30487d56c67487b21111b2b2c2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tsa.ae
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HbtBd3(_ZSvL

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Oder.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Oder.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/292-54-0x00000000011D0000-0x0000000001240000-memory.dmp
    Filesize

    448KB

  • memory/292-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp
    Filesize

    8KB

  • memory/292-56-0x0000000000350000-0x0000000000358000-memory.dmp
    Filesize

    32KB

  • memory/292-57-0x0000000004690000-0x00000000046E4000-memory.dmp
    Filesize

    336KB

  • memory/1396-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-64-0x0000000000446E7E-mapping.dmp
  • memory/1396-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1396-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB