Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 06:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe

  • Size

    690KB

  • MD5

    d5288b1e9b08397e2ac89405c34b749f

  • SHA1

    a6f7a1d5e04a167e5a5ce160094d5da5b89036b2

  • SHA256

    704e5626e3a5c8b1b3dbefbeabca7488e77758c9aed89d0dc7e30d18da1b6bd9

  • SHA512

    df07aa72d2b50b02516d6ddd0659f5931ce930a04e3cabb65d251661c0e09e9688a788ab184084805a5d33aefccc378e91acb9be1b921c6a4169bcbbaef8552e

  • SSDEEP

    12288:b3IU8S6eUdNw9V18pt2FDKXSn6B8SKWRKL2ZIezvJBAhvRlCP5:rItSAdWrqiedtrYLjSxBATw5

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2376-18-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-1-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-2-0x0000000000FC0000-0x0000000001000000-memory.dmp

    Filesize

    256KB

  • memory/2376-3-0x00000000005D0000-0x00000000005E8000-memory.dmp

    Filesize

    96KB

  • memory/2376-4-0x0000000000590000-0x0000000000598000-memory.dmp

    Filesize

    32KB

  • memory/2376-5-0x00000000005B0000-0x00000000005BA000-memory.dmp

    Filesize

    40KB

  • memory/2376-6-0x00000000002C0000-0x000000000033A000-memory.dmp

    Filesize

    488KB

  • memory/2376-0-0x0000000001040000-0x00000000010F2000-memory.dmp

    Filesize

    712KB

  • memory/3028-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-22-0x0000000004900000-0x0000000004940000-memory.dmp

    Filesize

    256KB

  • memory/3028-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3028-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3028-20-0x0000000004900000-0x0000000004940000-memory.dmp

    Filesize

    256KB

  • memory/3028-21-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-19-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB