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Analysis

  • max time kernel
    141s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 16:13

General

  • Target

    0cd3ea81ce02591fe6f6b5ff0229be51241c00f9b1080baca7652cf436532c3e.exe

  • Size

    382KB

  • MD5

    72c259acf57301e687e0332669b18340

  • SHA1

    139877208c01002d9e5c57f0da9d9b20754c8b57

  • SHA256

    0cd3ea81ce02591fe6f6b5ff0229be51241c00f9b1080baca7652cf436532c3e

  • SHA512

    44e6ff9279145fe0e586dae3135e1ace8496f28ec8d0c5d4a5ddd4c518d75544e50c876b00d48266c119e6b485876905b634605f32480be825b150d4880da019

  • SSDEEP

    6144:6vNgu2vVzeAvNremF2xnbfS13eB43pvuL7HpyEeJKXP:6vNL2vVSzmQxnbf4mCSHpy9JKXP

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cd3ea81ce02591fe6f6b5ff0229be51241c00f9b1080baca7652cf436532c3e.exe
    "C:\Users\Admin\AppData\Local\Temp\0cd3ea81ce02591fe6f6b5ff0229be51241c00f9b1080baca7652cf436532c3e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\u3e0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e0.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1196
        3⤵
        • Program crash
        PID:1368
    • C:\Users\Admin\AppData\Local\Temp\u3e0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e0.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1528
      2⤵
      • Program crash
      PID:4608
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4392 -ip 4392
    1⤵
      PID:4524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1860 -ip 1860
      1⤵
        PID:4220

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u3e0.0.exe

        Filesize

        218KB

        MD5

        967d1d2071a7f0afa075145319eea73d

        SHA1

        43208843e80266106e5c96867e7113e90a6f0b59

        SHA256

        dce56b03d138ced62c5137c164d18240efe3e4a084c70547614b657e2049c6af

        SHA512

        a7934590abdf271c8ce450ef02bd2fef6aecded10390312f7a340071920e8044886a28dfa8fc415c7da6971c79e85347c5669d73da4a179fc8a56838cd114669

      • C:\Users\Admin\AppData\Local\Temp\u3e0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/832-67-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/832-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1860-107-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/1860-105-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/1860-103-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/1860-101-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/1860-38-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/1860-54-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3648-76-0x0000013EEFC90000-0x0000013EEFD42000-memory.dmp

        Filesize

        712KB

      • memory/3648-85-0x0000013EF3F20000-0x0000013EF3F28000-memory.dmp

        Filesize

        32KB

      • memory/3648-68-0x0000013EE8FA0000-0x0000013EEC7D4000-memory.dmp

        Filesize

        56.2MB

      • memory/3648-71-0x0000013EEE460000-0x0000013EEE46C000-memory.dmp

        Filesize

        48KB

      • memory/3648-73-0x0000013EEE4C0000-0x0000013EEE4E4000-memory.dmp

        Filesize

        144KB

      • memory/3648-72-0x0000013EEE450000-0x0000013EEE464000-memory.dmp

        Filesize

        80KB

      • memory/3648-70-0x0000013EECC20000-0x0000013EECC30000-memory.dmp

        Filesize

        64KB

      • memory/3648-75-0x0000013EEE640000-0x0000013EEE66A000-memory.dmp

        Filesize

        168KB

      • memory/3648-77-0x0000013EEFFC0000-0x0000013EF0010000-memory.dmp

        Filesize

        320KB

      • memory/3648-78-0x0000013EF0280000-0x0000013EF02A2000-memory.dmp

        Filesize

        136KB

      • memory/3648-97-0x0000013EF5810000-0x0000013EF582E000-memory.dmp

        Filesize

        120KB

      • memory/3648-74-0x0000013EEE600000-0x0000013EEE60A000-memory.dmp

        Filesize

        40KB

      • memory/3648-69-0x0000013EF0030000-0x0000013EF013A000-memory.dmp

        Filesize

        1.0MB

      • memory/3648-83-0x0000013EF02B0000-0x0000013EF05B0000-memory.dmp

        Filesize

        3.0MB

      • memory/3648-79-0x0000013EEE610000-0x0000013EEE61A000-memory.dmp

        Filesize

        40KB

      • memory/3648-96-0x0000013EF58B0000-0x0000013EF5926000-memory.dmp

        Filesize

        472KB

      • memory/3648-87-0x0000013EF45F0000-0x0000013EF45FE000-memory.dmp

        Filesize

        56KB

      • memory/3648-88-0x0000013EF4610000-0x0000013EF4618000-memory.dmp

        Filesize

        32KB

      • memory/3648-91-0x0000013EF57C0000-0x0000013EF57E2000-memory.dmp

        Filesize

        136KB

      • memory/3648-90-0x0000013EF5760000-0x0000013EF57C2000-memory.dmp

        Filesize

        392KB

      • memory/3648-89-0x0000013EF46B0000-0x0000013EF46BA000-memory.dmp

        Filesize

        40KB

      • memory/3648-92-0x0000013EF5D10000-0x0000013EF6238000-memory.dmp

        Filesize

        5.2MB

      • memory/3648-86-0x0000013EF4630000-0x0000013EF4668000-memory.dmp

        Filesize

        224KB

      • memory/3648-95-0x0000013EF54D0000-0x0000013EF54DC000-memory.dmp

        Filesize

        48KB

      • memory/4392-32-0x0000000004770000-0x00000000047DC000-memory.dmp

        Filesize

        432KB

      • memory/4392-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

        Filesize

        1024KB

      • memory/4392-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4392-28-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/4392-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4392-2-0x0000000004770000-0x00000000047DC000-memory.dmp

        Filesize

        432KB