Analysis

  • max time kernel
    72s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 09:44

General

  • Target

    Your new dhl delivery needs your attention to complete.exe

  • Size

    300.0MB

  • MD5

    b41efc1903f715c9de2bc95f2658fec8

  • SHA1

    9ed3a81ae8a2c32a35b67df0d640cea7e18dfbc2

  • SHA256

    53cdcdb4a33a697bcc90680e2e9b8e757b1ff04c0ff75acbeb86434d0aef6670

  • SHA512

    63680e9bc9bd1c65bd8507a44cf54cc4548728b2a5fbef143b990c026e4f72ef80c2b2b06072d36da5480bfe810384b061001dc6140c968ef4b68468edf410d0

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5279095555:AAE4HwAzPbUle9whPqEu6faWeNRU-6BRHps/sendDocument

Signatures

  • AgentTesla

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Your new dhl delivery needs your attention to complete.exe
    "C:\Users\Admin\AppData\Local\Temp\Your new dhl delivery needs your attention to complete.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/644-54-0x0000000000880000-0x00000000008EC000-memory.dmp
    Filesize

    432KB

  • memory/644-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp
    Filesize

    8KB

  • memory/1380-56-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-57-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-59-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-60-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-61-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-62-0x0000000000435CDE-mapping.dmp
  • memory/1380-64-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1380-66-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB