Analysis

  • max time kernel
    144s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    25-07-2021 23:28

General

  • Target

    23-07-2021/New Order .exe

  • Size

    1.1MB

  • MD5

    7f87c2a83ffa8ef3be8071d5102c193c

  • SHA1

    6ac3c7e3cb04f1efd30b67fb574bea674152fbd7

  • SHA256

    e5a5ec86338937058c7c4da50968ebc910da33bf37f73243a42dff434f2634f9

  • SHA512

    502504fcbf167cf8490dfa67197957f389d602669a81b2d9df368584efffb0dbaaf3ed67e71ec136f7dff05f49ad4dd0b1f5fd3be610b373221b7f9924ad311f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.alruomigroup.com
  • Port:
    587
  • Username:
    eepauloffice@alruomigroup.com
  • Password:
    HpabZXh7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23-07-2021\New Order .exe
    "C:\Users\Admin\AppData\Local\Temp\23-07-2021\New Order .exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\23-07-2021\New Order .exe
      "C:\Users\Admin\AppData\Local\Temp\23-07-2021\New Order .exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/856-119-0x0000000005050000-0x000000000554E000-memory.dmp
    Filesize

    5.0MB

  • memory/856-122-0x0000000005310000-0x000000000532B000-memory.dmp
    Filesize

    108KB

  • memory/856-118-0x00000000050F0000-0x00000000050F1000-memory.dmp
    Filesize

    4KB

  • memory/856-114-0x0000000000680000-0x0000000000681000-memory.dmp
    Filesize

    4KB

  • memory/856-124-0x0000000007780000-0x00000000077E9000-memory.dmp
    Filesize

    420KB

  • memory/856-121-0x0000000005250000-0x0000000005251000-memory.dmp
    Filesize

    4KB

  • memory/856-117-0x0000000005550000-0x0000000005551000-memory.dmp
    Filesize

    4KB

  • memory/856-123-0x00000000076D0000-0x000000000777C000-memory.dmp
    Filesize

    688KB

  • memory/856-120-0x0000000005050000-0x0000000005051000-memory.dmp
    Filesize

    4KB

  • memory/856-116-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/1256-126-0x000000000043759E-mapping.dmp
  • memory/1256-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1256-132-0x0000000005670000-0x0000000005671000-memory.dmp
    Filesize

    4KB

  • memory/1256-133-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/1256-134-0x0000000006360000-0x0000000006361000-memory.dmp
    Filesize

    4KB

  • memory/1256-137-0x0000000005671000-0x0000000005672000-memory.dmp
    Filesize

    4KB