Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:55

General

  • Target

    b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe

  • Size

    610KB

  • MD5

    82119ed9386e173aa59a4da4a6681ac0

  • SHA1

    2a4511ca4bf1c3f471db9c9a7f03d4b6bb23d48b

  • SHA256

    b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103

  • SHA512

    d1a692e6b9a06314d0e7756b991d9045def00ea4061ee8a1e0a3f530f907beb30ad4cb563af67aa24e31f4cd2895bd0a765d87c47037b81822a37c42c25df97b

  • SSDEEP

    12288:XIodDzrZwzDvrL6WezFPakp7m97w8H1jN9OR1kd4744UL/eda:BzKzDP6FikFA7w8H9Em4744U6d

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops startup file 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe
    "C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe
      C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2188-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-23-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-21-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-24-0x00000000005A0000-0x00000000005E0000-memory.dmp

    Filesize

    256KB

  • memory/2188-22-0x00000000005A0000-0x00000000005E0000-memory.dmp

    Filesize

    256KB

  • memory/2188-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2188-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2328-4-0x0000000000470000-0x00000000004B0000-memory.dmp

    Filesize

    256KB

  • memory/2328-17-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2328-6-0x0000000000AF0000-0x0000000000B3C000-memory.dmp

    Filesize

    304KB

  • memory/2328-0-0x0000000001310000-0x00000000013AE000-memory.dmp

    Filesize

    632KB

  • memory/2328-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2328-5-0x0000000000A60000-0x0000000000AA0000-memory.dmp

    Filesize

    256KB

  • memory/2328-3-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2328-2-0x0000000000A00000-0x0000000000A58000-memory.dmp

    Filesize

    352KB