Analysis

  • max time kernel
    132s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-10-2021 08:16

General

  • Target

    1.exe

  • Size

    475KB

  • MD5

    63272d6116e99e0ba7f0576eae74b73f

  • SHA1

    d67eb4467ba29fda766d06f72e525e0f492744d6

  • SHA256

    18835a65226f3e12ce4712f8c60afb32d1b87cc4938562e96ebdd87e9505807d

  • SHA512

    3518a6f0dccd9e96008c70eda479fdb4da14784f090ab600fdb6a725648afbb972e7c69ab16c578dd5a2855c6217b7161f157de7048b3ff4f4eba434f1faa221

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gailanz.com
  • Port:
    587
  • Username:
    champ.zhu@gailanz.com
  • Password:
    l0j@cL$9t}Zw

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3804

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/1828-115-0x0000000000A00000-0x0000000000A01000-memory.dmp
    Filesize

    4KB

  • memory/1828-117-0x00000000057A0000-0x00000000057A1000-memory.dmp
    Filesize

    4KB

  • memory/1828-118-0x0000000005340000-0x0000000005341000-memory.dmp
    Filesize

    4KB

  • memory/1828-119-0x0000000005230000-0x0000000005231000-memory.dmp
    Filesize

    4KB

  • memory/1828-120-0x00000000052C0000-0x00000000052C1000-memory.dmp
    Filesize

    4KB

  • memory/1828-121-0x0000000005520000-0x0000000005527000-memory.dmp
    Filesize

    28KB

  • memory/1828-122-0x0000000006080000-0x0000000006081000-memory.dmp
    Filesize

    4KB

  • memory/1828-123-0x0000000006120000-0x0000000006177000-memory.dmp
    Filesize

    348KB

  • memory/3804-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3804-125-0x0000000000436C4E-mapping.dmp
  • memory/3804-130-0x0000000005510000-0x0000000005A0E000-memory.dmp
    Filesize

    5.0MB

  • memory/3804-131-0x00000000059D0000-0x00000000059D1000-memory.dmp
    Filesize

    4KB

  • memory/3804-132-0x0000000006170000-0x0000000006171000-memory.dmp
    Filesize

    4KB