Analysis

  • max time kernel
    143s
  • max time network
    148s
  • 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 10:20

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.19071.exe

  • Size

    663KB

  • MD5

    ffe2ddbe2537808b1624d03a4022d9c9

  • SHA1

    7474c0969e4964cd4b637dc8bd6a1ac3b059ab1b

  • SHA256

    6c2f5afa91ac37f222db8a2055e183efc732e08596f9e4cb664d0453ac5c8f3c

  • SHA512

    9f4cc453010b576833e7f77b94d64abbbfc70f1ef2d0805e475c74e1f4910b6694d42f50fb28646170cf86260d48dda29ab142ca81675c7fe66520657acdc036

  • SSDEEP

    12288:5JG8+4WpAEdy73wnXhlVIOgDSjyqMBbGm1jz4MUrHc1AL4N0s+:ApAEE8xJgDS+qMhGYTUme

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19071.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19071.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19071.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19071.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4456

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.19071.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2908-10-0x000000000C1A0000-0x000000000C23C000-memory.dmp

    Filesize

    624KB

  • memory/2908-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-9-0x0000000002760000-0x00000000027DC000-memory.dmp

    Filesize

    496KB

  • memory/2908-4-0x00000000050C0000-0x00000000050D0000-memory.dmp

    Filesize

    64KB

  • memory/2908-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp

    Filesize

    40KB

  • memory/2908-7-0x0000000005500000-0x0000000005508000-memory.dmp

    Filesize

    32KB

  • memory/2908-6-0x00000000054C0000-0x00000000054D8000-memory.dmp

    Filesize

    96KB

  • memory/2908-8-0x0000000008DC0000-0x0000000008DCA000-memory.dmp

    Filesize

    40KB

  • memory/2908-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

    Filesize

    584KB

  • memory/2908-2-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2908-0-0x0000000000410000-0x00000000004BA000-memory.dmp

    Filesize

    680KB

  • memory/2908-1-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-20-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/4456-15-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/4456-14-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-16-0x00000000051C0000-0x0000000005226000-memory.dmp

    Filesize

    408KB

  • memory/4456-18-0x00000000069C0000-0x0000000006A10000-memory.dmp

    Filesize

    320KB

  • memory/4456-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB