Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    15-09-2021 07:12

General

  • Target

    PROFORME.EXE

  • Size

    1003KB

  • MD5

    e06203fc38f6e1feeebbfda689a3c3ba

  • SHA1

    eeeb9935a650e41711c99675f3f579610391b9b3

  • SHA256

    c9fc6e398381a3152e36eec50f7157bde0a38462bd3345256487d9ab08eb6acc

  • SHA512

    856f03489826a27e23961e35ada7e223b1f933522ed2c81a06685a3b6a328b1a71490c64d6981d72f1d64890ddf6d69f3ac4bd3b5e02e860a6fa697ad744941e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.outlook.com
  • Port:
    587
  • Username:
    in23529@outlook.com
  • Password:
    Godisgreat0803

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROFORME.EXE
    "C:\Users\Admin\AppData\Local\Temp\PROFORME.EXE"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZljJsKVpgTQiX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E0D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\PROFORME.EXE
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3188

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • C:\Users\Admin\AppData\Local\Temp\tmp8E0D.tmp
    MD5

    7c05047f5e9b67eb16bcb9a9d9e38c9b

    SHA1

    3138418caa5edb88bdedc6a380d643e127fe5975

    SHA256

    84e039070228106f7e91a1e2c6219cfd0101a6a4afe76f80fd5c19129cf19a15

    SHA512

    b03b95a3b1d21e1df14c0ca4c6e1d838001ea688f14cd7db181922a928e74d3463c1ae8a4f76ae7ac894b49a3fa5c240fd13a68d7d32b33835749b762f8da510

  • memory/2836-126-0x0000000000000000-mapping.dmp
  • memory/3188-140-0x0000000004E50000-0x000000000534E000-memory.dmp
    Filesize

    5.0MB

  • memory/3188-137-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
    Filesize

    4KB

  • memory/3188-136-0x00000000052E0000-0x00000000052E1000-memory.dmp
    Filesize

    4KB

  • memory/3188-135-0x0000000004E50000-0x000000000534E000-memory.dmp
    Filesize

    5.0MB

  • memory/3188-129-0x000000000043759E-mapping.dmp
  • memory/3188-128-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4008-120-0x0000000004B10000-0x0000000004B11000-memory.dmp
    Filesize

    4KB

  • memory/4008-125-0x0000000008380000-0x00000000083BA000-memory.dmp
    Filesize

    232KB

  • memory/4008-124-0x0000000008300000-0x0000000008377000-memory.dmp
    Filesize

    476KB

  • memory/4008-123-0x00000000023D0000-0x00000000023DE000-memory.dmp
    Filesize

    56KB

  • memory/4008-122-0x0000000004BF0000-0x00000000050EE000-memory.dmp
    Filesize

    5.0MB

  • memory/4008-121-0x0000000004E40000-0x0000000004E41000-memory.dmp
    Filesize

    4KB

  • memory/4008-115-0x0000000000200000-0x0000000000201000-memory.dmp
    Filesize

    4KB

  • memory/4008-119-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
    Filesize

    4KB

  • memory/4008-118-0x00000000050F0000-0x00000000050F1000-memory.dmp
    Filesize

    4KB

  • memory/4008-117-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB