Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13-02-2024 02:48

General

  • Target

    2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe

  • Size

    745KB

  • MD5

    8a944460181bc7450e02a40c14eb8833

  • SHA1

    2c92ae1e51efea2fd46e9274a0a2e19c8f214d4a

  • SHA256

    2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879

  • SHA512

    f21a9045b18c7c2741aab440038db43e2a519513770d7ac02b4d179b4afb27f0d5ae5e2236d2c595646d118cecfe6d931fc99f24790ca25d48a2b1ed4605b435

  • SSDEEP

    12288:3SqEIqkzqHKMbj18vVWw1cdSFVX1hzpGNTzmFG5v6p7MVvXOa3GX6MZI8ddwf+Xi:38IJz87bh8vVV1ciVzzp6uF46+fOa3G2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
    "C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
      "C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1044-0-0x0000000001110000-0x00000000011D0000-memory.dmp

    Filesize

    768KB

  • memory/1044-1-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/1044-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

    Filesize

    256KB

  • memory/1044-3-0x00000000003C0000-0x00000000003D4000-memory.dmp

    Filesize

    80KB

  • memory/1044-4-0x0000000000510000-0x000000000051A000-memory.dmp

    Filesize

    40KB

  • memory/1044-5-0x0000000000520000-0x000000000052E000-memory.dmp

    Filesize

    56KB

  • memory/1044-6-0x00000000048A0000-0x0000000004928000-memory.dmp

    Filesize

    544KB

  • memory/1044-16-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-19-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2716-20-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB