Analysis

  • max time kernel
    118s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 16:31

General

  • Target

    f3499823ccca35d858ae2653142ded48.exe

  • Size

    451KB

  • MD5

    f3499823ccca35d858ae2653142ded48

  • SHA1

    86477f41bd8cb48a2cf7922cc89acdb3b7a4f58d

  • SHA256

    c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23

  • SHA512

    721a7b13d4d2fd85f267cf62840ca0e26c3b36f601dfce64731b96db0edd0b526535a0008449a4e7a44ba67ea097a69b147792393fb1581f55e380d63c22d68d

  • SSDEEP

    6144:+0HYlMeYOX8mE94DowCxV0jZVqmnvi1UVX1Zbt2S0gjaUI:+04lMXmQ4LCxWjZji1U/rhaUI

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 17 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 11 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3499823ccca35d858ae2653142ded48.exe
    "C:\Users\Admin\AppData\Local\Temp\f3499823ccca35d858ae2653142ded48.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\u1mc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1mc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2556
    • C:\Users\Admin\AppData\Local\Temp\u1mc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1mc.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2188
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2564
    • C:\Users\Admin\AppData\Local\Temp\u1mc.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1mc.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:540
      • 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:2820

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a34b5051478c01d83934dd5b0120757f7e5ff041b03ce291cb3621788d299269\1755561c4e144c1fb9209a1bd61fa815.tmp
    Filesize

    1KB

    MD5

    375f9af77c93706c601184acd365f23a

    SHA1

    e0455e3898e41eff0dd8f454ddb5986112dd33f0

    SHA256

    2491b933f9bd91a0ba1d50049b3fc7451c0dc3d852c39534411ded938123f601

    SHA512

    31e92d1638ef03232eceb67e12418b0a2a7e3065c57a132fae122641024b1137cde2a63578e6709ecc8d54336328dd673f7bfa82156379372324a4dfa2ff22f6

  • C:\Users\Admin\AppData\Local\Temp\U1MC1~1.ZIP
    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

  • C:\Users\Admin\AppData\Local\Temp\c212590c
    Filesize

    1.4MB

    MD5

    4563c10a48842bad9b55f6cf90199b56

    SHA1

    a1b58f01d0b3888ecd80236f53691242d7b5104f

    SHA256

    05d948891220133ae467b41fdae5fc280fd51d8be447f03dd4f90eeadfc61b80

    SHA512

    0732d17ba3d638ddeb41543e0b7e66f9c4209c789c0b6b614ef77394323f054ab99e75f57cdc43affe8c52413435674496a8f39691d2b2d51cfc5488b72402c5

  • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
    Filesize

    2KB

    MD5

    8ace9265df3419e6f37228cdcbdd61ac

    SHA1

    e668097b651ee374d4ca5fd9a624d183e1cb5191

    SHA256

    91ed9a052868e08d584cf002bb32c25bdfdbb9a75cf99701a4fece09946417c8

    SHA512

    ba95b27a7c926cd330ac52e133611738d470fafaa8c47b0e7cc5f10207bbf6ac1f5108ebc111a9d484949de4e15ed200b5c8e8044ab2d2198525ff2ad57bdd12

  • C:\Users\Admin\AppData\Local\Temp\u1mc.2\UIxMarketPlugin.dll
    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u1mc.2\bunch.dat
    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u1mc.2\relay.dll
    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u1mc.2\run.exe
    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • C:\Users\Admin\AppData\Local\Temp\u1mc.2\whale.dbf
    Filesize

    85KB

    MD5

    a723bf46048e0bfb15b8d77d7a648c3e

    SHA1

    8952d3c34e9341e4425571e10f22b782695bb915

    SHA256

    b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

    SHA512

    ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

  • \ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\u1mc.0.exe
    Filesize

    306KB

    MD5

    5e14291d1ddc502823a02e1bdb0cee56

    SHA1

    1ce2cc9c34fa0386b4d2d7ca36d4504fda3d1130

    SHA256

    f98a232e9e666e4af8894757f171505040762677b4fcfa4e00269ea548ca13f7

    SHA512

    a96959377102289f93579c73939d0da98b6e2fe79aaf53c93727cb45ca28ee64451ef33a676ef06e095ccc89fe447edc92f539a121db4112f7533773758df985

  • \Users\Admin\AppData\Local\Temp\u1mc.3.exe
    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/540-272-0x0000000000400000-0x00000000008AD000-memory.dmp
    Filesize

    4.7MB

  • memory/2100-3-0x0000000000400000-0x0000000001A3C000-memory.dmp
    Filesize

    22.2MB

  • memory/2100-1-0x0000000001BB0000-0x0000000001CB0000-memory.dmp
    Filesize

    1024KB

  • memory/2100-2-0x0000000000230000-0x000000000029D000-memory.dmp
    Filesize

    436KB

  • memory/2100-187-0x0000000000400000-0x0000000001A3C000-memory.dmp
    Filesize

    22.2MB

  • memory/2100-188-0x0000000001BB0000-0x0000000001CB0000-memory.dmp
    Filesize

    1024KB

  • memory/2188-215-0x0000000077800000-0x00000000779A9000-memory.dmp
    Filesize

    1.7MB

  • memory/2188-301-0x00000000744A0000-0x0000000074614000-memory.dmp
    Filesize

    1.5MB

  • memory/2556-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/2556-76-0x0000000000400000-0x0000000001A18000-memory.dmp
    Filesize

    22.1MB

  • memory/2564-303-0x0000000072E30000-0x0000000073E92000-memory.dmp
    Filesize

    16.4MB

  • memory/2564-311-0x0000000000150000-0x0000000000216000-memory.dmp
    Filesize

    792KB

  • memory/2564-305-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2564-304-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2820-273-0x00000000002D0000-0x0000000003BC8000-memory.dmp
    Filesize

    57.0MB

  • memory/2820-277-0x0000000003BD0000-0x0000000003BE4000-memory.dmp
    Filesize

    80KB

  • memory/2820-278-0x000000001E1E0000-0x000000001E204000-memory.dmp
    Filesize

    144KB

  • memory/2820-279-0x000000001E010000-0x000000001E01A000-memory.dmp
    Filesize

    40KB

  • memory/2820-280-0x000000001E720000-0x000000001E74A000-memory.dmp
    Filesize

    168KB

  • memory/2820-281-0x000000001F9B0000-0x000000001FA62000-memory.dmp
    Filesize

    712KB

  • memory/2820-282-0x000000001F830000-0x000000001F8AA000-memory.dmp
    Filesize

    488KB

  • memory/2820-283-0x00000000057D0000-0x0000000005832000-memory.dmp
    Filesize

    392KB

  • memory/2820-284-0x00000000001F0000-0x00000000001FA000-memory.dmp
    Filesize

    40KB

  • memory/2820-288-0x0000000020090000-0x0000000020390000-memory.dmp
    Filesize

    3.0MB

  • memory/2820-291-0x0000000000290000-0x000000000029A000-memory.dmp
    Filesize

    40KB

  • memory/2820-290-0x0000000000290000-0x000000000029A000-memory.dmp
    Filesize

    40KB

  • memory/2820-293-0x0000000005920000-0x0000000005942000-memory.dmp
    Filesize

    136KB

  • memory/2820-292-0x0000000003F00000-0x0000000003F0A000-memory.dmp
    Filesize

    40KB

  • memory/2820-296-0x0000000005940000-0x000000000594C000-memory.dmp
    Filesize

    48KB

  • memory/2820-300-0x0000000000290000-0x000000000029A000-memory.dmp
    Filesize

    40KB

  • memory/2820-276-0x0000000003F90000-0x0000000003F9C000-memory.dmp
    Filesize

    48KB

  • memory/2820-275-0x00000000002C0000-0x00000000002D0000-memory.dmp
    Filesize

    64KB

  • memory/2820-274-0x000000001F000000-0x000000001F110000-memory.dmp
    Filesize

    1.1MB

  • memory/2888-212-0x00000000744A0000-0x0000000074614000-memory.dmp
    Filesize

    1.5MB

  • memory/2888-167-0x0000000077800000-0x00000000779A9000-memory.dmp
    Filesize

    1.7MB

  • memory/2888-166-0x00000000744A0000-0x0000000074614000-memory.dmp
    Filesize

    1.5MB