Analysis

  • max time kernel
    147s
  • 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
    29/04/2024, 01:07

General

  • Target
    1562435949a43d05963e88e6dca52df0b7510a08b28a25feff91f810e29a3cfb.exe
  • Size 455KB
  • Sample240429-bgrctaea9s
  • SHA256 1562435949a43d05963e88e6dca52df0b7510a08b28a25feff91f810e29a3cfb
  • 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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • 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 48 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\1562435949a43d05963e88e6dca52df0b7510a08b28a25feff91f810e29a3cfb.exe
    "C:\Users\Admin\AppData\Local\Temp\1562435949a43d05963e88e6dca52df0b7510a08b28a25feff91f810e29a3cfb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\uq4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uq4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 2272
        3⤵
        • Program crash
        PID:2524
    • C:\Users\Admin\AppData\Local\Temp\uq4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\uq4.2\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:2636
      • 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:4300
        • 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:1184
    • C:\Users\Admin\AppData\Local\Temp\uq4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\uq4.3.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:4060
      • 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:780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 1148
      2⤵
      • Program crash
      PID:5060
  • 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=3252 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 384 -ip 384
      1⤵
        PID:4632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 940 -ip 940
        1⤵
          PID:1120
        • 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=3880 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:3384

          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 d078e5155fe843e6b12452b0e29d38abbbc1e3fbebc82cd3ebea7e088d22fc9e
                • 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

                26da11a2

                • Path C:\Users\Admin\AppData\Local\Temp\26da11a2
                • Size 1.4MB
                • SHA256 950b036dd4ee593bc63842d8cf233c4b4c0921c01259d88dd5ad8da55f9bfd55
                • MD5 SHA1 SHA512 SSDEEP

                ioloDMLog.txt

                • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
                • Size 2KB
                • SHA256 03aa6b64d5266f4abb9765ae3bd89e60b8f42aa4eed01341ec5450ef43e9b83b
                • MD5 SHA1 SHA512

                tmp8614.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmp8614.tmp
                • Size 20KB
                • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
                • MD5 SHA1 SHA512 SSDEEP

                tmp8685.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmp8685.tmp
                • Size 20KB
                • SHA256 0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
                • MD5 SHA1 SHA512 SSDEEP

                uq4.0.exe

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.0.exe
                • Size 302KB
                • SHA256 c032e2b1c04b5e2b9bc3ae439e75b993d1e3e03163ac6e589a50cec3745fec7e
                • MD5 SHA1 SHA512 SSDEEP

                uq4.1.zip

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.1.zip
                • Size 3.7MB
                • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
                • MD5 SHA1 SHA512 SSDEEP

                UIxMarketPlugin.dll

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.2\UIxMarketPlugin.dll
                • Size 1.6MB
                • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
                • MD5 SHA1 SHA512 SSDEEP

                bunch.dat

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.2\bunch.dat
                • Size 1.3MB
                • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
                • MD5 SHA1 SHA512 SSDEEP

                relay.dll

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.2\relay.dll
                • Size 1.5MB
                • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
                • MD5 SHA1 SHA512 SSDEEP

                run.exe

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.2\run.exe
                • Size 2.4MB
                • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
                • MD5 SHA1 SHA512 SSDEEP

                whale.dbf

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.2\whale.dbf
                • Size 85KB
                • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
                • MD5 SHA1 SHA512 SSDEEP

                uq4.3.exe

                • Path C:\Users\Admin\AppData\Local\Temp\uq4.3.exe
                • Size 4.6MB
                • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
                • MD5 SHA1 SHA512 SSDEEP

                memory/384-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                memory/384-18-0x0000000000400000-0x0000000001A17000-memory.dmp

                memory/384-17-0x0000000003620000-0x0000000003647000-memory.dmp

                memory/384-16-0x0000000001A60000-0x0000000001B60000-memory.dmp

                memory/384-205-0x0000000000400000-0x0000000001A17000-memory.dmp

                memory/780-261-0x0000028BC66D0000-0x0000028BC66DC000-memory.dmp

                memory/780-280-0x0000028BCB980000-0x0000028BCB988000-memory.dmp

                memory/780-301-0x0000028BCBA90000-0x0000028BCBAAE000-memory.dmp

                memory/780-296-0x0000028BCBA60000-0x0000028BCBA82000-memory.dmp

                memory/780-289-0x0000028BCB9C0000-0x0000028BCB9CC000-memory.dmp

                memory/780-288-0x0000028BCBA10000-0x0000028BCBA60000-memory.dmp

                memory/780-285-0x0000028BCC960000-0x0000028BCCE88000-memory.dmp

                memory/780-283-0x0000028BCC420000-0x0000028BCC42A000-memory.dmp

                memory/780-284-0x0000028BCB9A0000-0x0000028BCB9C2000-memory.dmp

                memory/780-257-0x0000028BA8950000-0x0000028BAC248000-memory.dmp

                memory/780-282-0x0000028BCB290000-0x0000028BCB29E000-memory.dmp

                memory/780-259-0x0000028BC6AA0000-0x0000028BC6BB0000-memory.dmp

                memory/780-260-0x0000028BC66A0000-0x0000028BC66B0000-memory.dmp

                memory/780-281-0x0000028BCB2C0000-0x0000028BCB2F8000-memory.dmp

                memory/780-262-0x0000028BC66C0000-0x0000028BC66D4000-memory.dmp

                memory/780-263-0x0000028BC6740000-0x0000028BC6764000-memory.dmp

                memory/780-264-0x0000028BC6770000-0x0000028BC677A000-memory.dmp

                memory/780-265-0x0000028BC6CF0000-0x0000028BC6D1A000-memory.dmp

                memory/780-266-0x0000028BC6D20000-0x0000028BC6DD2000-memory.dmp

                memory/780-267-0x0000028BC6DD0000-0x0000028BC6E4A000-memory.dmp

                memory/780-268-0x0000028BC6E50000-0x0000028BC6EB2000-memory.dmp

                memory/780-269-0x0000028BC6F30000-0x0000028BC6FA6000-memory.dmp

                memory/780-270-0x0000028BADF40000-0x0000028BADF4A000-memory.dmp

                memory/780-274-0x0000028BC6FB0000-0x0000028BC72B0000-memory.dmp

                memory/940-1-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

                memory/940-224-0x0000000001CE0000-0x0000000001D4D000-memory.dmp

                memory/940-2-0x0000000001CE0000-0x0000000001D4D000-memory.dmp

                memory/940-3-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/940-51-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/940-222-0x0000000000400000-0x0000000001A3D000-memory.dmp

                memory/1184-300-0x0000000005D50000-0x0000000005DB6000-memory.dmp

                memory/1184-277-0x0000000073110000-0x0000000074364000-memory.dmp

                memory/1184-321-0x0000000007620000-0x000000000762A000-memory.dmp

                memory/1184-290-0x0000000000740000-0x0000000000806000-memory.dmp

                memory/1184-291-0x0000000004E00000-0x0000000004E92000-memory.dmp

                memory/1184-292-0x0000000005490000-0x0000000005A34000-memory.dmp

                memory/1184-293-0x0000000005230000-0x00000000053F2000-memory.dmp

                memory/1184-294-0x0000000004F60000-0x0000000004FD6000-memory.dmp

                memory/1184-295-0x0000000004FE0000-0x0000000005030000-memory.dmp

                memory/1184-299-0x0000000005400000-0x000000000541E000-memory.dmp

                memory/1184-297-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

                memory/1184-298-0x00000000061B0000-0x00000000066DC000-memory.dmp

                memory/2636-179-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp

                memory/2636-168-0x0000000072650000-0x00000000727CB000-memory.dmp

                memory/2636-210-0x0000000072650000-0x00000000727CB000-memory.dmp

                memory/4060-244-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/4060-256-0x0000000000400000-0x00000000008AD000-memory.dmp

                memory/4300-226-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp

                memory/4300-258-0x0000000072650000-0x00000000727CB000-memory.dmp