Analysis
- max time kernel
151s - max time network
150s - platform
windows10_x64 - resource
win10v20210408 - submitted
20/09/2021, 04:19
Static task
static1
Behavioral task
behavioral1
Sample
t0ID2yWRERNRIz4.exe
Resource
win7-en-20210916
General
- Target t0ID2yWRERNRIz4.exe
- Size 818KB
- Sample210920-exhmdsfdhr
- SHA256 7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
- MD5 2fa809111f6953a10bcae39ef3f57aa7
- SHA1 9415a9c252e39776162749c9131d96274cd6cac9
- SHA512 adb6b340237a62af5fced4c819bfa92317e15a4062dab379d97a1b2ecd9e5ace9fca9330872f7d4f01c2a0b96035d9a69a376d7f7c812fece8584326447933b9
- MD5 SHA1 SHA512
Malware Config
Extracted
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xloader
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2.5
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gjeh
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http://www.getaudionow.com/gjeh/
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carmator.com
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bsbqrp.com
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siemens-mp.com
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dunnfloorcoverings.com
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cpassminimedicalschools.info
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howtodesignyourhomeoffice.com
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famliytaste.com
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freesocialmarketing.com
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jejuhaenyeo.net
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tradebot.icu
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arzug.com
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carrefour-solucoes.online
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ladyom.com
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aoironote.com
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newmexicocarwreckattorney.com
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wealthpatternsllc.net
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thinkpinkalicous.com
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prajapati.company
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bjhwky.com
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jsdigitalekuns.com
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hada-kirara.xyz
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cryptochatr.com
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ehao5ahhl6.com
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i8news-sv.website
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12sky2limitless.online
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royalknightent.store
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dualvisionproductions.com
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nextgenerationracingleague.com
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1dy17.xyz
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vineethnekuri.com
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offlces.com
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mmpluk.com
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4kwallpapers.online
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yakyu-eiga.com
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advertisingresult.com
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ktshandymanservices.com
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reyizz.com
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ethics.tools
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cyberbesttechnology.com
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glopik.com
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claybycollins.com
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buythedamnbike.com
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7q3qq3.com
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normanwagers.com
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editoramandacaia.com
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fscmyc.com
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contactosasi.com
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brightpretty.com
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glavins.net
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demoxyz.online
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apnagas.com
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drdavesea.com
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wholeheartedfounder.com
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gunpowderz.com
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thegliderguy.com
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drawcen.com
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7777wns.com
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tecmovco.com
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a3chic.com
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alattarherbs.com
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tracks-clicks.com
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appioservice.com
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matthewwesco.club
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lampshadefish.com
Signatures
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
resource yara_rule behavioral2/memory/3840-125-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/3840-126-0x000000000041D460-mapping.dmp xloader behavioral2/memory/496-133-0x0000000000620000-0x0000000000649000-memory.dmp xloader - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 904 set thread context of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 3840 set thread context of 2644 3840 MSBuild.exe 32 PID 496 set thread context of 2644 496 systray.exe 32 - Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\Shell t0ID2yWRERNRIz4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\Shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\t0ID2yWRERNRIz4.exe\" \"%1\"" t0ID2yWRERNRIz4.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.gmkasm t0ID2yWRERNRIz4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.gmkasm\ = "GMKAssembler.Project" t0ID2yWRERNRIz4.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project t0ID2yWRERNRIz4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\t0ID2yWRERNRIz4.exe" t0ID2yWRERNRIz4.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\Shell\open\command t0ID2yWRERNRIz4.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\Shell\open t0ID2yWRERNRIz4.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\GMKAssembler.Project\DefaultIcon t0ID2yWRERNRIz4.exe - Suspicious behavior: EnumeratesProcesses 46 IoCs
pid Process 904 t0ID2yWRERNRIz4.exe 904 t0ID2yWRERNRIz4.exe 3840 MSBuild.exe 3840 MSBuild.exe 3840 MSBuild.exe 3840 MSBuild.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe 496 systray.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 Explorer.EXE - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3840 MSBuild.exe 3840 MSBuild.exe 3840 MSBuild.exe 496 systray.exe 496 systray.exe - Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 904 t0ID2yWRERNRIz4.exe Token: SeDebugPrivilege 3840 MSBuild.exe Token: SeDebugPrivilege 496 systray.exe Token: SeShutdownPrivilege 2644 Explorer.EXE Token: SeCreatePagefilePrivilege 2644 Explorer.EXE Token: SeShutdownPrivilege 2644 Explorer.EXE Token: SeCreatePagefilePrivilege 2644 Explorer.EXE Token: SeShutdownPrivilege 2644 Explorer.EXE Token: SeCreatePagefilePrivilege 2644 Explorer.EXE - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 904 wrote to memory of 3840 904 t0ID2yWRERNRIz4.exe 76 PID 2644 wrote to memory of 496 2644 Explorer.EXE 77 PID 2644 wrote to memory of 496 2644 Explorer.EXE 77 PID 2644 wrote to memory of 496 2644 Explorer.EXE 77 PID 496 wrote to memory of 1764 496 systray.exe 78 PID 496 wrote to memory of 1764 496 systray.exe 78 PID 496 wrote to memory of 1764 496 systray.exe 78
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\t0ID2yWRERNRIz4.exe"C:\Users\Admin\AppData\Local\Temp\t0ID2yWRERNRIz4.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3840
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵PID:1764
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