Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 07:26

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe

  • Size

    623KB

  • MD5

    eeed55c1a8b08bdc4182dc64df59e70a

  • SHA1

    e8e414a927bd08a6b1213a62c9d21cfc7efb7ee6

  • SHA256

    70a65c589b3b46ed049d952785c5f21d709c7b1558bce2b0646e54927a93da38

  • SHA512

    4024acc30b4def53293114f2cf25057a515affd337824609749468a7055002be7682f4324a7c21c6c27c73446ef61e49f6148acf7e1d382c13b637ff86c74050

  • SSDEEP

    12288:u3IU8S6eUd5MxSudIbhFBGooic4jS9F8caGpS3mNbsD2og/VhEPErnnWka:kItSAd+xSuWbBoi/O9F8caubsDtISEz2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2ffPmXZ_5A{G

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 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe"
      2⤵
        PID:2316
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2920-0-0x0000000001020000-0x00000000010C2000-memory.dmp

      Filesize

      648KB

    • memory/2920-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-2-0x00000000049F0000-0x0000000004A30000-memory.dmp

      Filesize

      256KB

    • memory/2920-3-0x00000000003B0000-0x00000000003C8000-memory.dmp

      Filesize

      96KB

    • memory/2920-4-0x0000000000350000-0x0000000000358000-memory.dmp

      Filesize

      32KB

    • memory/2920-5-0x00000000003D0000-0x00000000003DA000-memory.dmp

      Filesize

      40KB

    • memory/2920-6-0x0000000000580000-0x00000000005FC000-memory.dmp

      Filesize

      496KB

    • memory/2920-21-0x00000000743E0000-0x0000000074ACE000-memory.dmp

      Filesize

      6.9MB

    • memory/2968-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2968-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-20-0x00000000743E0000-0x0000000074ACE000-memory.dmp

      Filesize

      6.9MB

    • memory/2968-22-0x0000000004A40000-0x0000000004A80000-memory.dmp

      Filesize

      256KB

    • memory/2968-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2968-23-0x00000000743E0000-0x0000000074ACE000-memory.dmp

      Filesize

      6.9MB

    • memory/2968-24-0x0000000004A40000-0x0000000004A80000-memory.dmp

      Filesize

      256KB