Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2024, 02:36

General

  • Target
    ae4ce8ea7092f64c3e2687e87340134f.exe
  • Size 455KB
  • Sample240428-c3kylaef8y
  • SHA256 709a498fea4c6839da389c04ccaaeb288e8279e9fffdaafb57f0155809f5d2e8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

C2
  • http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.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 3 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 46 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae4ce8ea7092f64c3e2687e87340134f.exe
    "C:\Users\Admin\AppData\Local\Temp\ae4ce8ea7092f64c3e2687e87340134f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Local\Temp\ufg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ufg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 2364
        3⤵
        • Program crash
        PID:1180
    • C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\ufg.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:3112
      • 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:4860
        • 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:4708
    • C:\Users\Admin\AppData\Local\Temp\ufg.3.exe
      "C:\Users\Admin\AppData\Local\Temp\ufg.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:4312
      • 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:5028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 1544
      2⤵
      • Program crash
      PID:4640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 556 -ip 556
    1⤵
      PID:2764
    • 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=3748 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:3568
      • 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=5148 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:948
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2340 -ip 2340
          1⤵
            PID:4588

          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

                37efb539

                • Path C:\Users\Admin\AppData\Local\Temp\37efb539
                • Size 1.4MB
                • SHA256 9784eeea52aafd8fae4c0306a5bb7bd8d254ccacfb290a5c30fec445cd45376f
                • MD5 SHA1 SHA512 SSDEEP

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 2KB
                • SHA256 b320685b2bdf85ab19730c2e8f8890dda5eb4edf14086ee7a400cf0193e64556
                • MD5 SHA1 SHA512

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 3KB
                • SHA256 361cbff480f1f8491ea270fd5cbbe37ffc49f6ffaeed921862d251d52967964d
                • MD5 SHA1 SHA512

                tmp12C4.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmp12C4.tmp
                • Size 20KB
                • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
                • MD5 SHA1 SHA512 SSDEEP

                tmp1325.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmp1325.tmp
                • Size 20KB
                • SHA256 0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
                • MD5 SHA1 SHA512 SSDEEP

                ufg.0.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.0.exe
                • Size 226KB
                • SHA256 eeaa177b0bc2d85cf8b416c2ed3b85fd50bd7c811bf41a32d161a10a767c2fda
                • MD5 SHA1 SHA512 SSDEEP

                ufg.1.zip

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.1.zip
                • Size 3.7MB
                • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
                • MD5 SHA1 SHA512 SSDEEP

                UIxMarketPlugin.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.2\UIxMarketPlugin.dll
                • Size 1.6MB
                • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
                • MD5 SHA1 SHA512 SSDEEP

                bunch.dat

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.2\bunch.dat
                • Size 1.3MB
                • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
                • MD5 SHA1 SHA512 SSDEEP

                relay.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.2\relay.dll
                • Size 1.5MB
                • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
                • MD5 SHA1 SHA512 SSDEEP

                run.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe
                • Size 2.4MB
                • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
                • MD5 SHA1 SHA512 SSDEEP

                whale.dbf

                • Path C:\Users\Admin\AppData\Local\Temp\ufg.2\whale.dbf
                • Size 85KB
                • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
                • MD5 SHA1 SHA512 SSDEEP

                ufg.3.exe

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

                memory/556-95-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/556-130-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/556-157-0x00000000036A0000-0x000000000370D000-memory.dmp

                memory/556-5-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/556-3-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/556-1-0x0000000001D00000-0x0000000001E00000-memory.dmp

                memory/556-2-0x00000000036A0000-0x000000000370D000-memory.dmp

                memory/2340-133-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                memory/2340-129-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

                memory/2340-253-0x0000000000400000-0x000000000083A000-memory.dmp

                memory/2340-190-0x0000000000400000-0x000000000083A000-memory.dmp

                memory/2340-275-0x0000000000400000-0x000000000083A000-memory.dmp

                memory/2340-217-0x0000000000400000-0x000000000083A000-memory.dmp

                memory/3112-100-0x0000000072810000-0x000000007298B000-memory.dmp

                memory/3112-102-0x00007FFEF6070000-0x00007FFEF6265000-memory.dmp

                memory/3112-122-0x0000000072810000-0x000000007298B000-memory.dmp

                memory/4312-219-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/4312-218-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/4312-174-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/4708-288-0x0000000005B00000-0x0000000005B76000-memory.dmp

                memory/4708-290-0x0000000005A90000-0x0000000005A9A000-memory.dmp

                memory/4708-289-0x0000000005BC0000-0x0000000005C10000-memory.dmp

                memory/4708-287-0x0000000005D90000-0x0000000005F52000-memory.dmp

                memory/4708-285-0x0000000006030000-0x00000000065D4000-memory.dmp

                memory/4708-291-0x0000000006C10000-0x000000000713C000-memory.dmp

                memory/4708-284-0x00000000059E0000-0x0000000005A72000-memory.dmp

                memory/4708-292-0x0000000006780000-0x000000000679E000-memory.dmp

                memory/4708-283-0x0000000001320000-0x00000000013E6000-memory.dmp

                memory/4708-293-0x0000000006830000-0x0000000006896000-memory.dmp

                memory/4708-258-0x0000000070FF0000-0x0000000072244000-memory.dmp

                memory/4860-226-0x0000000072810000-0x000000007298B000-memory.dmp

                memory/4860-131-0x00007FFEF6070000-0x00007FFEF6265000-memory.dmp

                memory/5028-224-0x000001F470E90000-0x000001F470EA4000-memory.dmp

                memory/5028-272-0x000001F4783E0000-0x000001F4783E8000-memory.dmp

                memory/5028-273-0x000001F477D20000-0x000001F477D58000-memory.dmp

                memory/5028-274-0x000001F477CF0000-0x000001F477CFE000-memory.dmp

                memory/5028-263-0x000001F473A10000-0x000001F473D10000-memory.dmp

                memory/5028-276-0x000001F478BF0000-0x000001F478BFA000-memory.dmp

                memory/5028-277-0x000001F478C20000-0x000001F478C42000-memory.dmp

                memory/5028-278-0x000001F479170000-0x000001F479698000-memory.dmp

                memory/5028-281-0x000001F478C90000-0x000001F478CE0000-memory.dmp

                memory/5028-282-0x000001F478C00000-0x000001F478C0C000-memory.dmp

                memory/5028-259-0x000001F470E70000-0x000001F470E7A000-memory.dmp

                memory/5028-246-0x000001F473990000-0x000001F473A06000-memory.dmp

                memory/5028-240-0x000001F4738B0000-0x000001F473912000-memory.dmp

                memory/5028-286-0x000001F478F60000-0x000001F478F82000-memory.dmp

                memory/5028-236-0x000001F473830000-0x000001F4738AA000-memory.dmp

                memory/5028-233-0x000001F472800000-0x000001F47280A000-memory.dmp

                memory/5028-234-0x000001F4734F0000-0x000001F47351A000-memory.dmp

                memory/5028-235-0x000001F473520000-0x000001F4735D2000-memory.dmp

                memory/5028-225-0x000001F470F10000-0x000001F470F34000-memory.dmp

                memory/5028-223-0x000001F470EA0000-0x000001F470EAC000-memory.dmp

                memory/5028-222-0x000001F470E50000-0x000001F470E60000-memory.dmp

                memory/5028-294-0x000001F478C70000-0x000001F478C8E000-memory.dmp

                memory/5028-221-0x000001F4735E0000-0x000001F4736F0000-memory.dmp

                memory/5028-220-0x000001F46D130000-0x000001F470A28000-memory.dmp