Analysis

  • max time kernel
    100s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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:636
    • 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:4912
      • 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:2828
        • 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:4720

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.22956.28642.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/636-10-0x000000000D910000-0x000000000D9AC000-memory.dmp

        Filesize

        624KB

      • memory/636-15-0x0000000074B60000-0x0000000075310000-memory.dmp

        Filesize

        7.7MB

      • memory/636-9-0x0000000005080000-0x00000000050FC000-memory.dmp

        Filesize

        496KB

      • memory/636-4-0x00000000057D0000-0x00000000057E0000-memory.dmp

        Filesize

        64KB

      • memory/636-5-0x00000000056A0000-0x00000000056AA000-memory.dmp

        Filesize

        40KB

      • memory/636-6-0x0000000007EA0000-0x0000000007EB8000-memory.dmp

        Filesize

        96KB

      • memory/636-7-0x0000000007E10000-0x0000000007E18000-memory.dmp

        Filesize

        32KB

      • memory/636-8-0x000000000A520000-0x000000000A52A000-memory.dmp

        Filesize

        40KB

      • memory/636-3-0x00000000055F0000-0x0000000005682000-memory.dmp

        Filesize

        584KB

      • memory/636-2-0x0000000005C90000-0x0000000006234000-memory.dmp

        Filesize

        5.6MB

      • memory/636-1-0x0000000074B60000-0x0000000075310000-memory.dmp

        Filesize

        7.7MB

      • memory/636-0-0x0000000000CE0000-0x0000000000D82000-memory.dmp

        Filesize

        648KB

      • memory/4720-20-0x0000000005310000-0x0000000005320000-memory.dmp

        Filesize

        64KB

      • memory/4720-16-0x0000000074B60000-0x0000000075310000-memory.dmp

        Filesize

        7.7MB

      • memory/4720-14-0x0000000005390000-0x00000000053F6000-memory.dmp

        Filesize

        408KB

      • memory/4720-17-0x0000000005310000-0x0000000005320000-memory.dmp

        Filesize

        64KB

      • memory/4720-18-0x00000000069F0000-0x0000000006A40000-memory.dmp

        Filesize

        320KB

      • memory/4720-19-0x0000000074B60000-0x0000000075310000-memory.dmp

        Filesize

        7.7MB

      • memory/4720-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB