Analysis

  • max time kernel
    147s
  • 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
    29/04/2024, 13:11

General

  • Target
    ed95a84c31c965f436ae8ccaa9712fd9.exe
  • Size 347KB
  • Sample240429-qext5sbc79
  • SHA256 f069178921c8a21f98bd6a1011e7943fa49e067c7112506f4c90036b82862d3e
  • 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 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 51 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 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed95a84c31c965f436ae8ccaa9712fd9.exe
    "C:\Users\Admin\AppData\Local\Temp\ed95a84c31c965f436ae8ccaa9712fd9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\uww.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uww.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 2140
        3⤵
        • Program crash
        PID:3892
    • C:\Users\Admin\AppData\Local\Temp\uww.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\uww.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:3296
      • 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:1892
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1408
    • C:\Users\Admin\AppData\Local\Temp\uww.3.exe
      "C:\Users\Admin\AppData\Local\Temp\uww.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:1972
      • 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:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 1628
      2⤵
      • Program crash
      PID:4060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1184 -ip 1184
    1⤵
      PID:3896
    • 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=3552 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:4576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2084 -ip 2084
        1⤵
          PID:2516
        • 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=4016 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:2856

          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

                Network Persistent State

                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                • Size 1KB
                • SHA256 7ecf42abf4d0c050f844f33635e185f33622b405b563e90f0671c8d88f3c2e4e
                • MD5 SHA1 SHA512

                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

                2accf6a9

                • Path C:\Users\Admin\AppData\Local\Temp\2accf6a9
                • Size 1.4MB
                • SHA256 3819b7149d4dbbcc1b0ab1c3da0d6fb8fa2f5b28365de6c9eb3c9663cd3b456d
                • MD5 SHA1 SHA512 SSDEEP

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 2KB
                • SHA256 3cb0b4c47366822f2da70e1ecc53fbf0dc6d6066c8c98a8e43c9122136e2ecca
                • MD5 SHA1 SHA512

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 3KB
                • SHA256 2dd6d47a24fc87ab6b6bb10c7f49dad264c4fbaab38876e8cbe778fdf329316f
                • MD5 SHA1 SHA512

                tmpB3BC.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmpB3BC.tmp
                • Size 20KB
                • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
                • MD5 SHA1 SHA512 SSDEEP

                tmpB42C.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmpB42C.tmp
                • Size 20KB
                • SHA256 0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
                • MD5 SHA1 SHA512 SSDEEP

                uww.0.exe

                • Path C:\Users\Admin\AppData\Local\Temp\uww.0.exe
                • Size 203KB
                • SHA256 d37f54aa31485a49ae8d66d29e1d235cad52c576403da0785b82df6dab97db29
                • MD5 SHA1 SHA512 SSDEEP

                uww.1.zip

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

                UIxMarketPlugin.dll

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

                bunch.dat

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

                relay.dll

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

                run.exe

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

                whale.dbf

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

                uww.3.exe

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

                memory/1184-2-0x0000000002F90000-0x0000000002FFD000-memory.dmp

                memory/1184-154-0x0000000002C40000-0x0000000002D40000-memory.dmp

                memory/1184-175-0x0000000000400000-0x0000000002B15000-memory.dmp

                memory/1184-106-0x0000000000400000-0x0000000002B15000-memory.dmp

                memory/1184-3-0x0000000000400000-0x0000000002B15000-memory.dmp

                memory/1184-1-0x0000000002C40000-0x0000000002D40000-memory.dmp

                memory/1184-5-0x0000000000400000-0x0000000002B15000-memory.dmp

                memory/1184-171-0x0000000002F90000-0x0000000002FFD000-memory.dmp

                memory/1408-288-0x0000000006610000-0x0000000006B3C000-memory.dmp

                memory/1408-285-0x00000000054A0000-0x00000000054F0000-memory.dmp

                memory/1408-260-0x00000000715A0000-0x00000000727F4000-memory.dmp

                memory/1408-280-0x00000000053E0000-0x0000000005472000-memory.dmp

                memory/1408-281-0x0000000005A30000-0x0000000005FD4000-memory.dmp

                memory/1408-283-0x0000000005650000-0x0000000005812000-memory.dmp

                memory/1408-284-0x0000000005500000-0x0000000005576000-memory.dmp

                memory/1408-286-0x00000000053A0000-0x00000000053AA000-memory.dmp

                memory/1408-312-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

                memory/1408-289-0x0000000006120000-0x000000000613E000-memory.dmp

                memory/1408-290-0x00000000061B0000-0x0000000006216000-memory.dmp

                memory/1408-279-0x0000000000D00000-0x0000000000DC6000-memory.dmp

                memory/1892-247-0x0000000072800000-0x000000007297B000-memory.dmp

                memory/1892-226-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp

                memory/1972-245-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/2084-182-0x0000000000400000-0x0000000002AF0000-memory.dmp

                memory/2084-244-0x0000000000400000-0x0000000002AF0000-memory.dmp

                memory/2084-118-0x0000000002E90000-0x0000000002F90000-memory.dmp

                memory/2084-123-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                memory/3296-100-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp

                memory/3296-179-0x0000000072800000-0x000000007297B000-memory.dmp

                memory/3296-99-0x0000000072800000-0x000000007297B000-memory.dmp

                memory/3712-250-0x00000149D46A0000-0x00000149D46AC000-memory.dmp

                memory/3712-270-0x00000149F32D0000-0x00000149F3308000-memory.dmp

                memory/3712-271-0x00000149F32A0000-0x00000149F32AE000-memory.dmp

                memory/3712-272-0x00000149F43F0000-0x00000149F43FA000-memory.dmp

                memory/3712-273-0x00000149F4400000-0x00000149F4422000-memory.dmp

                memory/3712-274-0x00000149F4950000-0x00000149F4E78000-memory.dmp

                memory/3712-277-0x00000149F39C0000-0x00000149F3A10000-memory.dmp

                memory/3712-278-0x00000149F3970000-0x00000149F397C000-memory.dmp

                memory/3712-269-0x00000149F3950000-0x00000149F3958000-memory.dmp

                memory/3712-265-0x00000149EEF90000-0x00000149EF290000-memory.dmp

                memory/3712-261-0x00000149D4670000-0x00000149D467A000-memory.dmp

                memory/3712-282-0x00000149F3A40000-0x00000149F3A62000-memory.dmp

                memory/3712-258-0x00000149EEF10000-0x00000149EEF86000-memory.dmp

                memory/3712-257-0x00000149EEE30000-0x00000149EEE92000-memory.dmp

                memory/3712-256-0x00000149EEDB0000-0x00000149EEE2A000-memory.dmp

                memory/3712-255-0x00000149EED80000-0x00000149EEDAA000-memory.dmp

                memory/3712-287-0x00000149F3980000-0x00000149F39B0000-memory.dmp

                memory/3712-254-0x00000149EEA70000-0x00000149EEB22000-memory.dmp

                memory/3712-253-0x00000149EE790000-0x00000149EE79A000-memory.dmp

                memory/3712-252-0x00000149EE7B0000-0x00000149EE7D4000-memory.dmp

                memory/3712-291-0x00000149F3A70000-0x00000149F3A8E000-memory.dmp

                memory/3712-251-0x00000149D4690000-0x00000149D46A4000-memory.dmp

                memory/3712-249-0x00000149D4650000-0x00000149D4660000-memory.dmp

                memory/3712-248-0x00000149EEB30000-0x00000149EEC40000-memory.dmp

                memory/3712-246-0x00000149D0920000-0x00000149D4218000-memory.dmp