Analysis

  • max time kernel
    121s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 06:09

General

  • Target

    payment copy.exe

  • Size

    463KB

  • MD5

    5ff2f079f187c67618fe79ade442dd5f

  • SHA1

    5bc25a34a2d8194c73e344ba58a25280bbcc21e9

  • SHA256

    6c4f03f9b58f8d25fb24a1ea161bf61fdafbc7050ccbd4f026098e58e2ba8fe4

  • SHA512

    402122d29aef25258e0bd65f2c7932512b7bcada0db6f672c123d94951f3697d9824f0f28b95bf45991e197a35a55d38d5702b0806053529360cff5991b55d6e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sg2plcpnl0023.prod.sin2.secureserver.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    User@40378

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment copy.exe
    "C:\Users\Admin\AppData\Local\Temp\payment copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1820

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/1104-53-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

  • memory/1104-55-0x0000000002140000-0x0000000002141000-memory.dmp
    Filesize

    4KB

  • memory/1104-56-0x00000000005A0000-0x00000000005A7000-memory.dmp
    Filesize

    28KB

  • memory/1104-57-0x0000000007170000-0x00000000071C8000-memory.dmp
    Filesize

    352KB

  • memory/1820-58-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-63-0x000000000043760E-mapping.dmp
  • memory/1820-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1820-66-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/1820-67-0x0000000004A21000-0x0000000004A22000-memory.dmp
    Filesize

    4KB