Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2023 06:02

General

  • Target

    TT.gz.exe

  • Size

    147KB

  • MD5

    841bc4b28567bc672d71cd8a86318236

  • SHA1

    80ff2c2f2e6a5fb63f9d067b158410549ce3a9fd

  • SHA256

    477a2d13d980cac6ec09b09eda410ea674cb8aa69da8a1e6e2a80fcf3b290c9a

  • SHA512

    35660c01c79abad13d99757c4854092b6e3f8f736b892a92f7b6cf0f50a608e4f966f032aeefc3403e4bbda98f604ec25efed1feb5f329fcdbb02fd4bc33b479

  • SSDEEP

    3072:oxmMRd5YFofTo4dXqJYNebTdz8rlmMtcDdNM8x/8v:osMRX04dXgYNeixbtcRNMz

Malware Config

Signatures

  • AgentTesla

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT.gz.exe
    "C:\Users\Admin\AppData\Local\Temp\TT.gz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\TT.gz.exe
      "C:\Users\Admin\AppData\Local\Temp\TT.gz.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    e3664dc7632b7d6913e0e818b02ae363

    SHA1

    08a21474ab2598556ffd49ac64cca79735b65682

    SHA256

    54e313b19bc33f1d3b156241c80660cedf93d8c4f5f28fc630f4b3ec8574925d

    SHA512

    dc343596ad3a71a26d06c2ccfbd5d00056fa642c7477aab48f0239313eb8f1db0633e8a84f753e79b1c7a67e6e2e1181fdec3e900eb5adb2b4b3308a09ece020

  • memory/1976-142-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1976-160-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB

  • memory/1976-159-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/1976-147-0x00000000052A0000-0x0000000005306000-memory.dmp

    Filesize

    408KB

  • memory/1976-145-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-137-0x000000000A380000-0x000000000A924000-memory.dmp

    Filesize

    5.6MB

  • memory/2548-140-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-141-0x0000000002720000-0x0000000002730000-memory.dmp

    Filesize

    64KB

  • memory/2548-139-0x0000000005950000-0x000000000595A000-memory.dmp

    Filesize

    40KB

  • memory/2548-138-0x0000000009FB0000-0x000000000A042000-memory.dmp

    Filesize

    584KB

  • memory/2548-146-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-133-0x0000000000CF0000-0x0000000000D1C000-memory.dmp

    Filesize

    176KB

  • memory/2548-136-0x0000000002720000-0x0000000002730000-memory.dmp

    Filesize

    64KB

  • memory/2548-135-0x0000000004C10000-0x0000000004CAC000-memory.dmp

    Filesize

    624KB

  • memory/2548-134-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB