Analysis

  • max time kernel
    90s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2023 11:04

General

  • Target

    5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe

  • Size

    6KB

  • MD5

    8402ed726c49025989f98d23ce9d7e3e

  • SHA1

    e5784d2999ab073773b65e7d3a10ab2bb3460ff0

  • SHA256

    5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb

  • SHA512

    208fdd79dd0ff0a61a0dccc80ea718b6f6ef18151104d3d74753035e7ed2844facc07df1605af42dfbb6631971eff6e5ec4cecbbe42f93bef0e3c75d5c942ebc

  • SSDEEP

    96:gzTFJVQ7mAK9KgeRZskYuIH7dYYyWwRkvPzNt:gHa7m79ETSuIH7dYYyYR

Malware Config

Extracted

Family

purecrypter

C2

https://files.catbox.moe/6dlgj3.mp4

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot2100759405:AAFzA0s7LpNOhvzQJo2bUlDpzSqnB8ir69o/

Signatures

  • AgentTesla

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

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe
    "C:\Users\Admin\AppData\Local\Temp\5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe
      C:\Users\Admin\AppData\Local\Temp\5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5780663f3e32e0308caa2cc657ccdcaadf393f22d2c1c3c1f5afa9f55aa136bb.exe.log

    Filesize

    1KB

    MD5

    f3eb81974dc5933681e933f07209ff5f

    SHA1

    7af8cae0f1d03e82daaf784df9886705685baac7

    SHA256

    e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

    SHA512

    d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

  • memory/1988-172-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-198-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-136-0x0000000005ED0000-0x0000000005F62000-memory.dmp

    Filesize

    584KB

  • memory/1988-174-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-137-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-140-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-142-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-144-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-146-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-148-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-150-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-152-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-154-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-156-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-158-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-160-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-162-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-178-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-166-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-168-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-170-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-133-0x0000000000020000-0x0000000000028000-memory.dmp

    Filesize

    32KB

  • memory/1988-138-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-176-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-164-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-180-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-182-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-184-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-186-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-188-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-190-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-192-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-194-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-196-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-135-0x00000000063E0000-0x0000000006984000-memory.dmp

    Filesize

    5.6MB

  • memory/1988-200-0x0000000005D80000-0x0000000005E2F000-memory.dmp

    Filesize

    700KB

  • memory/1988-1059-0x0000000005E70000-0x0000000005E71000-memory.dmp

    Filesize

    4KB

  • memory/1988-134-0x0000000004900000-0x0000000004910000-memory.dmp

    Filesize

    64KB

  • memory/4956-1064-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4956-1065-0x00000000051B0000-0x0000000005216000-memory.dmp

    Filesize

    408KB

  • memory/4956-1066-0x00000000054D0000-0x00000000054E0000-memory.dmp

    Filesize

    64KB

  • memory/4956-1067-0x00000000054D0000-0x00000000054E0000-memory.dmp

    Filesize

    64KB

  • memory/4956-1068-0x0000000006A80000-0x0000000006AD0000-memory.dmp

    Filesize

    320KB

  • memory/4956-1069-0x0000000006CA0000-0x0000000006E62000-memory.dmp

    Filesize

    1.8MB

  • memory/4956-1070-0x0000000006B00000-0x0000000006B0A000-memory.dmp

    Filesize

    40KB