Analysis

  • max time kernel
    146s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-04-2021 09:33

General

  • Target

    SAZ404948555.exe

  • Size

    610KB

  • MD5

    a787cf367bb9eb8f267bd476c9ea0430

  • SHA1

    c358646207892df0a68f72388f9e9e49425521e2

  • SHA256

    7c48cfcbf8e1ce28755ac72d03f072723dddd1a87eb27756075c7c54cf0129ba

  • SHA512

    830035663ffc1bbf19faadd3751de310d39eaf199c58b1744183e4a7319171b606129d86844a1bd4be5780ef11df604034ca1e02a3738b3ea4bf38ffb43a0901

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itzayanaland.com
  • Port:
    587
  • Username:
    newsecurity@itzayanaland.com
  • Password:
    1=9pEelVbzv{

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SAZ404948555.exe
    "C:\Users\Admin\AppData\Local\Temp\SAZ404948555.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\SAZ404948555.exe
      "C:\Users\Admin\AppData\Local\Temp\SAZ404948555.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3636

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SAZ404948555.exe.log
    MD5

    c3cc52ccca9ff2b6fa8d267fc350ca6b

    SHA1

    a68d4028333296d222e4afd75dea36fdc98d05f3

    SHA256

    3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

    SHA512

    b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

  • memory/2016-121-0x0000000004B50000-0x000000000504E000-memory.dmp
    Filesize

    5.0MB

  • memory/2016-123-0x0000000000A70000-0x0000000000ABB000-memory.dmp
    Filesize

    300KB

  • memory/2016-118-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB

  • memory/2016-119-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/2016-120-0x0000000004D20000-0x0000000004D2D000-memory.dmp
    Filesize

    52KB

  • memory/2016-114-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/2016-122-0x0000000005850000-0x00000000058D4000-memory.dmp
    Filesize

    528KB

  • memory/2016-117-0x0000000004A40000-0x0000000004A41000-memory.dmp
    Filesize

    4KB

  • memory/2016-116-0x0000000005050000-0x0000000005051000-memory.dmp
    Filesize

    4KB

  • memory/3636-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3636-125-0x00000000004374CE-mapping.dmp
  • memory/3636-131-0x00000000052B0000-0x00000000057AE000-memory.dmp
    Filesize

    5.0MB

  • memory/3636-132-0x0000000005330000-0x0000000005331000-memory.dmp
    Filesize

    4KB

  • memory/3636-133-0x0000000005F10000-0x0000000005F11000-memory.dmp
    Filesize

    4KB