Analysis

  • max time kernel
    127s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:28

General

  • Target

    c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe

  • Size

    2.2MB

  • MD5

    659180a74116f9ff4224e1c1957184cd

  • SHA1

    c8ee2960a68d70af77b12296f13b906d269f81b5

  • SHA256

    c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692

  • SHA512

    51e21ad49c285b56ac00900f50c62eaa26bc978a239d393a28f9874a4ec01d215ad6ff8ee5eb63bc0306967565b2517cf211e049deb07e5227a1805b671dbb68

  • SSDEEP

    49152:Vfp8EgkExxou6aea6QnLhUbNgyDGsZ0NjrUogNKVcy4BA7Xbo24W:QEeoRVQnLCGyDGsujQjIbAuD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dU*wU0)yR;?4q|-#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe
    "C:\Users\Admin\AppData\Local\Temp\c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe
      "C:\Users\Admin\AppData\Local\Temp\c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:864

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c500144e0b118ea5678521b023ea89ce68477817568c46ab66f519c4c52a7692.exe.log
    Filesize

    716B

    MD5

    a92a2835b20b01436fb6517e97090bb1

    SHA1

    1a179d6b4018cc896708aa112b9d683176ba59b9

    SHA256

    807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963

    SHA512

    ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9

  • memory/216-0-0x000000007492E000-0x000000007492F000-memory.dmp
    Filesize

    4KB

  • memory/216-1-0x0000000000DA0000-0x0000000000FE4000-memory.dmp
    Filesize

    2.3MB

  • memory/216-2-0x0000000005A30000-0x0000000005C60000-memory.dmp
    Filesize

    2.2MB

  • memory/216-3-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/216-4-0x0000000006D90000-0x0000000006FC0000-memory.dmp
    Filesize

    2.2MB

  • memory/216-5-0x0000000005C60000-0x0000000005E92000-memory.dmp
    Filesize

    2.2MB

  • memory/216-6-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-11-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-7-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-23-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-17-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-15-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-13-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-9-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-47-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-41-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-35-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-33-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-31-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-29-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-27-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-25-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-21-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-19-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-57-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-69-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-67-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-65-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-63-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-61-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-59-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-55-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-53-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-51-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-49-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-45-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-43-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-39-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-37-0x0000000005C60000-0x0000000005E8C000-memory.dmp
    Filesize

    2.2MB

  • memory/216-4892-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/216-4893-0x0000000005860000-0x00000000058CC000-memory.dmp
    Filesize

    432KB

  • memory/216-4894-0x00000000058D0000-0x000000000591C000-memory.dmp
    Filesize

    304KB

  • memory/216-4895-0x0000000006FC0000-0x0000000007564000-memory.dmp
    Filesize

    5.6MB

  • memory/216-4896-0x00000000059D0000-0x0000000005A24000-memory.dmp
    Filesize

    336KB

  • memory/216-4901-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/864-4900-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/864-4902-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/864-4903-0x0000000002D20000-0x0000000002D86000-memory.dmp
    Filesize

    408KB

  • memory/864-4904-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/864-4905-0x0000000006800000-0x0000000006850000-memory.dmp
    Filesize

    320KB

  • memory/864-4906-0x00000000068F0000-0x000000000698C000-memory.dmp
    Filesize

    624KB

  • memory/864-4907-0x0000000006B30000-0x0000000006BC2000-memory.dmp
    Filesize

    584KB

  • memory/864-4908-0x0000000006AF0000-0x0000000006AFA000-memory.dmp
    Filesize

    40KB

  • memory/864-4909-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB