Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2024 10:50

General

  • Target

    f383d42f52d226f1280dae8f3c761e6d.exe

  • Size

    42KB

  • MD5

    f383d42f52d226f1280dae8f3c761e6d

  • SHA1

    4f7f76201dd474b8839da97821c8704afdab2ffe

  • SHA256

    f01893f0ea80536648b45114aa491a4559b53696290f58ec66335bc5c116d9db

  • SHA512

    eb4d74f1a0c21fdae1a8eddbc7a9cb42aa04d5f27e19f9b12e11c303ba52292100f57e3a9b8b0bc1b05588eb584d8ad3c73fc5e717d36169adde516c90380c18

  • SSDEEP

    96:QTgo70FlDiC5ZUo4ossr9r4GvgsKC5Ys0X+zNt:QTgJhYo4orprW7o0XY

Malware Config

Extracted

Family

purecrypter

C2

http://103.183.118.30/THANOS/Uhjbks.mp4

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • PureCrypter

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

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 2 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f383d42f52d226f1280dae8f3c761e6d.exe
    "C:\Users\Admin\AppData\Local\Temp\f383d42f52d226f1280dae8f3c761e6d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Users\Admin\AppData\Local\Temp\f383d42f52d226f1280dae8f3c761e6d.exe
      C:\Users\Admin\AppData\Local\Temp\f383d42f52d226f1280dae8f3c761e6d.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f383d42f52d226f1280dae8f3c761e6d.exe.log

    Filesize

    1KB

    MD5

    9121e6ef340710951d0829deb721bf6a

    SHA1

    3354ef7bc1f26e0e64e40907ff9a347df5630e1e

    SHA256

    6fa111c0652755148dffb297e76843ba63eb86dfe92b6fa18a3f715dd4c21baa

    SHA512

    e89216568cb6b64319dd69507875d74ab17d4bf464ea97f82df5f25ca974fa94709f828b951e81039fd442861d08fd92a481ea5917e40ace6df67e0b442e0e57

  • memory/4116-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-0-0x0000000000930000-0x0000000000940000-memory.dmp

    Filesize

    64KB

  • memory/4116-2-0x0000000005C60000-0x0000000005D18000-memory.dmp

    Filesize

    736KB

  • memory/4116-4-0x0000000005EB0000-0x0000000005FBA000-memory.dmp

    Filesize

    1.0MB

  • memory/4116-3-0x0000000006340000-0x0000000006958000-memory.dmp

    Filesize

    6.1MB

  • memory/4116-5-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-8-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-6-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-10-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-12-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-14-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-18-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-16-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-20-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-22-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-24-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-26-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-28-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-30-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-32-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-34-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-36-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-38-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-40-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-42-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-44-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-46-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-48-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-50-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-52-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-54-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-56-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-58-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-60-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-62-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-64-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-68-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-66-0x0000000005C60000-0x0000000005D12000-memory.dmp

    Filesize

    712KB

  • memory/4116-1119-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

    Filesize

    4KB

  • memory/4116-1120-0x0000000005E50000-0x0000000005E92000-memory.dmp

    Filesize

    264KB

  • memory/4116-1121-0x0000000006130000-0x000000000617C000-memory.dmp

    Filesize

    304KB

  • memory/4116-1122-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-1123-0x0000000006FB0000-0x0000000007554000-memory.dmp

    Filesize

    5.6MB

  • memory/4116-1127-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-1128-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-1129-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4240-1130-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/4240-1131-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

  • memory/4240-1132-0x00000000066C0000-0x0000000006710000-memory.dmp

    Filesize

    320KB

  • memory/4240-1133-0x00000000067B0000-0x000000000684C000-memory.dmp

    Filesize

    624KB

  • memory/4240-1134-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-1135-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/4240-1136-0x00000000068F0000-0x0000000006982000-memory.dmp

    Filesize

    584KB

  • memory/4240-1137-0x0000000006860000-0x000000000686A000-memory.dmp

    Filesize

    40KB