Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
04/07/2024, 14:33
Static task
static1
Behavioral task
behavioral1
Sample
tYEY1UeurGz0Mjb.exe
Resource
win7-20240508-en
General
- Target tYEY1UeurGz0Mjb.exe
- Size 606KB
- Sample240704-rwva1szerc
- SHA256 76650fb8aeaf679cd204ca347026a67767ab8d9c27f65597b275d8d57327e096
- MD5 a9c37f81cd9a181dab2262d2f8456a76
- SHA1 549e7a8c8e998d3b7f85e61a7171685af231e780
- SHA512 9f6c03d6c08eab4c6cf9504fa5402436bc783a9cf95ab9419f1f18f26e605bd66c44fb3a4ab7489bf6a1fcebdc9cb2a65e8a77e5f81744704ebe29c6dfe05002
- SSDEEP 12288:i15ofC1PsZKuN8TsFLtm9FTXJWhnVwVEhkG2jbZVv1XDSXGMvu:i1n1sfSTshg9FwnV3mj9Xd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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formbook
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4.1
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dy13
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manga-house.com
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kjsdhklssk51.xyz
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b0ba138.xyz
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bt365033.com
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ccbsinc.net
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mrwine.xyz
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nrxkrd527o.xyz
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hoshi.social
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1912ai.com
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serco2020.com
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byfchfyr.xyz
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imuschestvostorgov.online
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austinheafey.com
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mrdfa.club
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883106.photos
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profitablefxmarkets.com
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taini00.net
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brye.top
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ginsm.com
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sportglid.com
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hdretailllc.com
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umeshraja.com
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bum-arch.com
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carefulapp.com
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kjqlq.top
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3dsciagames.com
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520yhy.com
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magahatinu.com
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freedompopo.com
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directgaragedoor.com
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tyupok.xyz
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thecrystore.com
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camperelektrikde.shop
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soloparentconnect.com
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sonderfullcoaching.com
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jesuscrewofficial.com
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oioc.xyz
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assineunitv.com
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whysco.com
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484844.vip
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gdctus840t.top
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acc-pay.top
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bdsmnutzbar.info
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sdplat.media
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cioncarp4213.com
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facecasino2.top
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bankablebark.com
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gulerweb.online
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radheyranidailyproduct.com
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fin4d-sl.com
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northshorehousekeeping.com
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femmeteefatale.com
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d0ge6or54x07cfn.xyz
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craftwhirl.com
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kgfna.biz
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real-estate-96841.bond
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cfuhtkwo.xyz
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nestormediaproduction.com
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txglobedev.com
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kermoal.dev
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yr8gl32.vip
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bathroomremodelnearyou.today
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nearmeacupuncture.com
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chicstop.store
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cpuk-finance.com
Signatures
- Formbook payload 3 IoCs
resource yara_rule behavioral2/memory/3876-11-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3876-16-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4140-21-0x00000000012B0000-0x00000000012DF000-memory.dmp formbook - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4368 set thread context of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 3876 set thread context of 3432 3876 tYEY1UeurGz0Mjb.exe 56 PID 4140 set thread context of 3432 4140 chkdsk.exe 56 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe - Suspicious behavior: EnumeratesProcesses 58 IoCs
pid Process 3876 tYEY1UeurGz0Mjb.exe 3876 tYEY1UeurGz0Mjb.exe 3876 tYEY1UeurGz0Mjb.exe 3876 tYEY1UeurGz0Mjb.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe 4140 chkdsk.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3876 tYEY1UeurGz0Mjb.exe 3876 tYEY1UeurGz0Mjb.exe 3876 tYEY1UeurGz0Mjb.exe 4140 chkdsk.exe 4140 chkdsk.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3876 tYEY1UeurGz0Mjb.exe Token: SeDebugPrivilege 4140 chkdsk.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3432 Explorer.EXE 3432 Explorer.EXE 3432 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3432 Explorer.EXE 3432 Explorer.EXE 3432 Explorer.EXE - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 4368 wrote to memory of 3876 4368 tYEY1UeurGz0Mjb.exe 81 PID 3432 wrote to memory of 4140 3432 Explorer.EXE 82 PID 3432 wrote to memory of 4140 3432 Explorer.EXE 82 PID 3432 wrote to memory of 4140 3432 Explorer.EXE 82 PID 4140 wrote to memory of 2728 4140 chkdsk.exe 83 PID 4140 wrote to memory of 2728 4140 chkdsk.exe 83 PID 4140 wrote to memory of 2728 4140 chkdsk.exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3876
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"3⤵PID:2728
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