Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 13:10

General

  • Target
    142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe
  • Size 455KB
  • Sample240503-qeb8fabb65
  • SHA256 142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec
  • MD5 SHA1 SHA512 SSDEEP

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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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).

  • 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 64 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 WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe
    "C:\Users\Admin\AppData\Local\Temp\142211569886d0615e4f7464784b14acfce17cbab3eb432ab10d25eb44afc6ec.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\u1ss.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ss.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1988
        3⤵
        • Program crash
        PID:2384
    • C:\Users\Admin\AppData\Local\Temp\u1ss.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ss.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3724
        • 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:2340
    • C:\Users\Admin\AppData\Local\Temp\u1ss.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ss.3.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:3220
      • 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:3460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 1192
      2⤵
      • Program crash
      PID:2544
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3528 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:4488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2332 -ip 2332
      1⤵
        PID:2132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5024 -ip 5024
        1⤵
          PID:3632
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3548 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:4640

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                Are.docx

                • Path C:\ProgramData\Are.docx
                • Size 11KB
                • SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
                • MD5 SHA1 SHA512 SSDEEP

                mozglue.dll

                • Path C:\ProgramData\mozglue.dll
                • Size 593KB
                • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
                • MD5 SHA1 SHA512 SSDEEP

                nss3.dll

                • Path C:\ProgramData\nss3.dll
                • Size 2.0MB
                • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
                • MD5 SHA1 SHA512 SSDEEP

                SCT Auditing Pending Reports

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                • Size 2B
                • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                • MD5 SHA1 SHA512

                Sdch Dictionaries

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                • Size 40B
                • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                • MD5 SHA1 SHA512

                375844fe

                • Path C:\Users\Admin\AppData\Local\Temp\375844fe
                • Size 1.4MB
                • SHA256 5c38a0c1fcd1f7eb240580c28c4480bc0f29f352003e9d607bbd65a32ef4dc1e
                • MD5 SHA1 SHA512 SSDEEP

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 3KB
                • SHA256 2b4d26222a0dec15c1f9a910716a57805bc5359bcbeaba4bdd4ce745470ca1ca
                • MD5 SHA1 SHA512

                tmpEBA4.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmpEBA4.tmp
                • Size 20KB
                • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
                • MD5 SHA1 SHA512 SSDEEP

                tmpEC82.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmpEC82.tmp
                • Size 20KB
                • SHA256 0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
                • MD5 SHA1 SHA512 SSDEEP

                u1ss.0.exe

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.0.exe
                • Size 311KB
                • SHA256 291b4748345069a37dc7d4d5f3f7ae3ddcdfd1194685e6afaf7abdb6904b9797
                • MD5 SHA1 SHA512 SSDEEP

                u1ss.1.zip

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.1.zip
                • Size 1.6MB
                • SHA256 44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded
                • MD5 SHA1 SHA512 SSDEEP

                ASUS_WMI.dll

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\ASUS_WMI.dll
                • Size 224KB
                • SHA256 6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5
                • MD5 SHA1 SHA512 SSDEEP

                ATKEX.dll

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\ATKEX.dll
                • Size 84KB
                • SHA256 c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb
                • MD5 SHA1 SHA512 SSDEEP

                AsIO.dll

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\AsIO.dll
                • Size 120KB
                • SHA256 03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d
                • MD5 SHA1 SHA512 SSDEEP

                doubled.doc

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\doubled.doc
                • Size 1.2MB
                • SHA256 3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235
                • MD5 SHA1 SHA512 SSDEEP

                protactinium.log

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\protactinium.log
                • Size 84KB
                • SHA256 6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8
                • MD5 SHA1 SHA512 SSDEEP

                run.exe

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.2\run.exe
                • Size 446KB
                • SHA256 12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
                • MD5 SHA1 SHA512 SSDEEP

                u1ss.3.exe

                • Path C:\Users\Admin\AppData\Local\Temp\u1ss.3.exe
                • Size 4.6MB
                • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
                • MD5 SHA1 SHA512 SSDEEP

                memory/792-151-0x0000000072860000-0x00000000729DB000-memory.dmp

                memory/792-162-0x00007FFEF6070000-0x00007FFEF6265000-memory.dmp

                memory/792-226-0x0000000072860000-0x00000000729DB000-memory.dmp

                memory/2332-200-0x0000000000400000-0x0000000001A3C000-memory.dmp

                memory/2332-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

                memory/2332-2-0x00000000037E0000-0x000000000384D000-memory.dmp

                memory/2332-3-0x0000000000400000-0x0000000000470000-memory.dmp

                memory/2332-5-0x0000000000400000-0x0000000001A3C000-memory.dmp

                memory/2332-235-0x0000000000400000-0x0000000001A3C000-memory.dmp

                memory/2332-237-0x0000000000400000-0x0000000000470000-memory.dmp

                memory/2332-236-0x00000000037E0000-0x000000000384D000-memory.dmp

                memory/2340-278-0x0000000073120000-0x0000000074374000-memory.dmp

                memory/2340-312-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

                memory/2340-317-0x0000000005A90000-0x0000000005AF6000-memory.dmp

                memory/2340-316-0x00000000059E0000-0x00000000059FE000-memory.dmp

                memory/2340-309-0x0000000004D50000-0x0000000004DA0000-memory.dmp

                memory/2340-308-0x0000000004DB0000-0x0000000004E26000-memory.dmp

                memory/2340-298-0x0000000000580000-0x0000000000646000-memory.dmp

                memory/2340-315-0x0000000005EB0000-0x00000000063DC000-memory.dmp

                memory/2340-307-0x0000000004F80000-0x0000000005142000-memory.dmp

                memory/2340-303-0x00000000052D0000-0x0000000005874000-memory.dmp

                memory/2340-302-0x0000000004C10000-0x0000000004CA2000-memory.dmp

                memory/3220-262-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/3220-274-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/3460-281-0x0000023BFDCE0000-0x0000023BFDDF0000-memory.dmp

                memory/3460-305-0x0000023B9AD50000-0x0000023B9AD72000-memory.dmp

                memory/3460-287-0x0000023BFDF70000-0x0000023BFDF9A000-memory.dmp

                memory/3460-288-0x0000023BFDFA0000-0x0000023BFE052000-memory.dmp

                memory/3460-289-0x0000023BFE050000-0x0000023BFE0CA000-memory.dmp

                memory/3460-290-0x0000023BFE0D0000-0x0000023BFE132000-memory.dmp

                memory/3460-291-0x0000023BFE1B0000-0x0000023BFE226000-memory.dmp

                memory/3460-292-0x0000023BFCF50000-0x0000023BFCF5A000-memory.dmp

                memory/3460-296-0x0000023BFE230000-0x0000023BFE530000-memory.dmp

                memory/3460-285-0x0000023BFDCB0000-0x0000023BFDCD4000-memory.dmp

                memory/3460-299-0x0000023BFFE50000-0x0000023BFFE58000-memory.dmp

                memory/3460-300-0x0000023BFFEA0000-0x0000023BFFED8000-memory.dmp

                memory/3460-301-0x0000023BFFE60000-0x0000023BFFE6E000-memory.dmp

                memory/3460-284-0x0000023BFDC40000-0x0000023BFDC54000-memory.dmp

                memory/3460-282-0x0000023BFD0F0000-0x0000023BFD100000-memory.dmp

                memory/3460-286-0x0000023BFDF40000-0x0000023BFDF4A000-memory.dmp

                memory/3460-304-0x0000023B9AD30000-0x0000023B9AD3A000-memory.dmp

                memory/3460-306-0x0000023B9BD90000-0x0000023B9C2B8000-memory.dmp

                memory/3460-283-0x0000023BFDC50000-0x0000023BFDC5C000-memory.dmp

                memory/3460-337-0x0000023BFFF10000-0x0000023BFFF2E000-memory.dmp

                memory/3460-275-0x0000023BF7950000-0x0000023BFB248000-memory.dmp

                memory/3460-336-0x0000023BFFEE0000-0x0000023BFFF02000-memory.dmp

                memory/3460-313-0x0000023BFFF30000-0x0000023BFFF80000-memory.dmp

                memory/3460-314-0x0000023B9AD80000-0x0000023B9AD8C000-memory.dmp

                memory/3724-239-0x00007FFEF6070000-0x00007FFEF6265000-memory.dmp

                memory/3724-276-0x0000000072860000-0x00000000729DB000-memory.dmp

                memory/5024-234-0x0000000000400000-0x0000000001A18000-memory.dmp

                memory/5024-106-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                memory/5024-19-0x0000000000400000-0x0000000001A18000-memory.dmp

                memory/5024-18-0x0000000000400000-0x0000000001A18000-memory.dmp

                memory/5024-17-0x0000000000400000-0x0000000001A18000-memory.dmp