Analysis

  • max time kernel
    126s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe
      C:\Users\Admin\AppData\Local\Temp\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe
      2⤵
        PID:4092
      • 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:4256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b68c885b6e27de911ff08806497c151d1ef1f33455175bb86ed048780f0b2103.exe.log

      Filesize

      927B

      MD5

      4a911455784f74e368a4c2c7876d76f4

      SHA1

      a1700a0849ffb4f26671eb76da2489946b821c34

      SHA256

      264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

      SHA512

      4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

    • memory/4256-18-0x0000000006630000-0x00000000066CC000-memory.dmp

      Filesize

      624KB

    • memory/4256-17-0x0000000006540000-0x0000000006590000-memory.dmp

      Filesize

      320KB

    • memory/4256-14-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4256-21-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4256-20-0x0000000006920000-0x000000000692A000-memory.dmp

      Filesize

      40KB

    • memory/4256-19-0x0000000006970000-0x0000000006A02000-memory.dmp

      Filesize

      584KB

    • memory/4256-16-0x0000000005740000-0x00000000057A6000-memory.dmp

      Filesize

      408KB

    • memory/4256-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4256-15-0x00000000056C0000-0x00000000056D0000-memory.dmp

      Filesize

      64KB

    • memory/4256-22-0x00000000056C0000-0x00000000056D0000-memory.dmp

      Filesize

      64KB

    • memory/4712-3-0x0000000005380000-0x0000000005390000-memory.dmp

      Filesize

      64KB

    • memory/4712-13-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4712-7-0x0000000005990000-0x0000000005F34000-memory.dmp

      Filesize

      5.6MB

    • memory/4712-2-0x0000000005210000-0x0000000005268000-memory.dmp

      Filesize

      352KB

    • memory/4712-0-0x0000000000800000-0x000000000089E000-memory.dmp

      Filesize

      632KB

    • memory/4712-6-0x0000000005310000-0x000000000535C000-memory.dmp

      Filesize

      304KB

    • memory/4712-5-0x00000000052D0000-0x0000000005310000-memory.dmp

      Filesize

      256KB

    • memory/4712-4-0x0000000005280000-0x00000000052C0000-memory.dmp

      Filesize

      256KB

    • memory/4712-1-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB