Analysis

  • max time kernel
    146s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-10-2021 07:12

General

  • Target

    SecuriteInfo.com.Suspicious.Win32.Save.a.5480.4695.exe

  • Size

    879KB

  • MD5

    365407f16ca457e0c46a0bbfd1333efb

  • SHA1

    48d78f7e3f150b797ad4524471282a6081383471

  • SHA256

    ce845b0a702585cfcae3fbd0b2f87e620622f1ecc2d793c1eb663eba7355ae6b

  • SHA512

    8a5d6ee287371aebd90d51f0349ee7af25c6402cebf2d155df31fae70b3fad1bc908256cb57cc73a35ef88500b92bc3fc9e0f3a8e7aa225a105d775b3d5d8402

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.enerzi.co
  • Port:
    587
  • Username:
    sales@enerzi.co
  • Password:
    Enerzis@123!#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • 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\SecuriteInfo.com.Suspicious.Win32.Save.a.5480.4695.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.5480.4695.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.5480.4695.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:520

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Suspicious.Win32.Save.a.5480.4695.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/520-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/520-138-0x0000000005250000-0x000000000574E000-memory.dmp
    Filesize

    5.0MB

  • memory/520-135-0x0000000005E40000-0x0000000005E41000-memory.dmp
    Filesize

    4KB

  • memory/520-134-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

  • memory/520-133-0x0000000005250000-0x000000000574E000-memory.dmp
    Filesize

    5.0MB

  • memory/520-127-0x00000000004375EE-mapping.dmp
  • memory/1324-120-0x0000000005300000-0x0000000005301000-memory.dmp
    Filesize

    4KB

  • memory/1324-124-0x0000000006130000-0x00000000061B0000-memory.dmp
    Filesize

    512KB

  • memory/1324-125-0x00000000086B0000-0x00000000086E8000-memory.dmp
    Filesize

    224KB

  • memory/1324-123-0x0000000005320000-0x000000000532E000-memory.dmp
    Filesize

    56KB

  • memory/1324-122-0x0000000005570000-0x0000000005571000-memory.dmp
    Filesize

    4KB

  • memory/1324-121-0x0000000005370000-0x000000000586E000-memory.dmp
    Filesize

    5.0MB

  • memory/1324-115-0x0000000000840000-0x0000000000841000-memory.dmp
    Filesize

    4KB

  • memory/1324-119-0x0000000005410000-0x0000000005411000-memory.dmp
    Filesize

    4KB

  • memory/1324-118-0x0000000005870000-0x0000000005871000-memory.dmp
    Filesize

    4KB

  • memory/1324-117-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB