Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 10:05

General

  • Target

    EiQHjXTm0aKck3P.exe

  • Size

    734KB

  • MD5

    fb3ba91147904673815403296b913d4c

  • SHA1

    69659c7484b5221d0c64ed7b55aab636f61266f5

  • SHA256

    2d23264cbb640e6d74b527f68ac05d12aea8647ccdeb6e592e5e399bf0f2fa57

  • SHA512

    cd4f7fa5e6ae6c2faff4fa030aa9791257042d24cf67c7ff9497029e8ae803e14ddd73d655d991b4ef3b04fecb6b12f253466a9be21e32288a593b147935108c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.hoteltalabart.cat
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jackdaniels_1

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe
    "C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\EiQHjXTm0aKck3P.exe.log

    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/2596-120-0x0000000005640000-0x0000000005B3E000-memory.dmp

    Filesize

    5.0MB

  • memory/2596-125-0x000000000B650000-0x000000000B688000-memory.dmp

    Filesize

    224KB

  • memory/2596-119-0x0000000005640000-0x0000000005641000-memory.dmp

    Filesize

    4KB

  • memory/2596-115-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

    Filesize

    4KB

  • memory/2596-121-0x0000000005490000-0x0000000005491000-memory.dmp

    Filesize

    4KB

  • memory/2596-122-0x00000000057A0000-0x00000000057A1000-memory.dmp

    Filesize

    4KB

  • memory/2596-118-0x0000000005B40000-0x0000000005B41000-memory.dmp

    Filesize

    4KB

  • memory/2596-124-0x0000000008E70000-0x0000000008EEC000-memory.dmp

    Filesize

    496KB

  • memory/2596-123-0x0000000005820000-0x000000000582E000-memory.dmp

    Filesize

    56KB

  • memory/2596-117-0x0000000005510000-0x0000000005511000-memory.dmp

    Filesize

    4KB

  • memory/3768-127-0x000000000043750E-mapping.dmp

  • memory/3768-126-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3768-133-0x0000000005730000-0x0000000005C2E000-memory.dmp

    Filesize

    5.0MB

  • memory/3768-134-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

    Filesize

    4KB

  • memory/3768-135-0x0000000006490000-0x0000000006491000-memory.dmp

    Filesize

    4KB