Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2024, 23:09

General

  • Target

    6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe

  • Size

    2.3MB

  • MD5

    593f0debb60acfb1b139e3e3a2c3b0e3

  • SHA1

    705889224c29494f6442a0dfd211f87386e801b6

  • SHA256

    6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957

  • SHA512

    693c0c951e7b1ee9be07c9b573c0691e71a8577b078cd9fe8caeee5d0236cf8e1f11f55f0a91e33d27ad7e7d09f6476c5b4911ee56ca87609ee3bb0ca6868e31

  • SSDEEP

    49152:1mLtQUU+bCsRecofZjTT8KK6IrDw0kuOuaCFHYV76r65yd7J:1mLtJo18L6T08ulWyd7J

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    d9GOyTceXsMT

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe
    "C:\Users\Admin\AppData\Local\Temp\6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe
      "C:\Users\Admin\AppData\Local\Temp\6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6fddc9e214a8023e336a1d46b3e7c3cacc708bf24195b6685d88496c0d4a4957.exe.log

    Filesize

    716B

    MD5

    a92a2835b20b01436fb6517e97090bb1

    SHA1

    1a179d6b4018cc896708aa112b9d683176ba59b9

    SHA256

    807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963

    SHA512

    ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9

  • memory/1588-4904-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1588-4905-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1588-4906-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/1588-4907-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1588-4912-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1588-4911-0x0000000006E10000-0x0000000006E1A000-memory.dmp

    Filesize

    40KB

  • memory/1588-4910-0x0000000006EA0000-0x0000000006F32000-memory.dmp

    Filesize

    584KB

  • memory/1588-4909-0x0000000006D60000-0x0000000006DFC000-memory.dmp

    Filesize

    624KB

  • memory/1588-4908-0x0000000006C70000-0x0000000006CC0000-memory.dmp

    Filesize

    320KB

  • memory/1700-37-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-25-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-23-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-48-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-59-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-63-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-69-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-67-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-65-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-61-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-57-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-55-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-53-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-51-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-49-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-45-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-41-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-39-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-5-0x0000000005CD0000-0x0000000005F00000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-33-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-31-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-29-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-27-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-21-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-43-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-35-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-17-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-19-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-15-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-11-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-13-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-9-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-7-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-6-0x0000000005CD0000-0x0000000005EFA000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-4892-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1700-4893-0x0000000005F00000-0x0000000005F6C000-memory.dmp

    Filesize

    432KB

  • memory/1700-4894-0x0000000005F70000-0x0000000005FBC000-memory.dmp

    Filesize

    304KB

  • memory/1700-4-0x0000000006E00000-0x0000000007030000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-3-0x0000000005AA0000-0x0000000005CD0000-memory.dmp

    Filesize

    2.2MB

  • memory/1700-2-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1700-1-0x0000000000D20000-0x0000000000F66000-memory.dmp

    Filesize

    2.3MB

  • memory/1700-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/1700-4895-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/1700-4896-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/1700-4897-0x0000000007030000-0x00000000075D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1700-4898-0x00000000061B0000-0x0000000006204000-memory.dmp

    Filesize

    336KB

  • memory/1700-4903-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB