Analysis
- max time kernel
152s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
09/02/2022, 12:57
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target triage_dropped_file.exe
- Size 265KB
- Sample220209-p6x4jsaedp
- SHA256 dbc4b30858a2fa9f7001f2347e1cb88f660b8e6651962519b78a7978c6cc2d72
- MD5 7d9ab9e5573aa8fd5402c3d023a8fb19
- SHA1 fded1868cef4f373e59db3a74e79b801afee8156
- SHA512 ea5b596b80f5afdc7da4103ea989f98d7eef19aa302614d262cb33e9aad0e784c66c91c3b822095b9b5180a8746435543eb9b6de74fe1bdc3c3302658a78429a
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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xloader
Version
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2.5
Campaign
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b0us
Decoy
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wxoi.xyz
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boss-note-to-look-today.info
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rxgmarket.com
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vyfstudio.com
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insularrofioa.xyz
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psikologtenaysude.com
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hepatitiscsignssymptoms.space
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toadvalleyfarm.com
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rhinobeds.com
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joystoreworld.com
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wethinky.com
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cucciolamores.com
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finansresultation.com
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criptodigital.online
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cave21shop.com
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ryannaat.xyz
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xn--ngbr0em.com
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olympiaapartment.com
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asrendo.com
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dashmints.com
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hampadco.com
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hoanghuong.group
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yamamoto-d-c.net
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cynthiaessential.com
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malatirada.com
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c5group-th.com
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v9ayiditq3.com
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tucows.website
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patinamedicalgroup.com
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xn--vckvb6c8f088nlxg8mqrw1d.com
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securetravel.trade
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eachallness.center
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vongquaymembersshipvn.com
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sexbattu.com
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libertymattersmost.net
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improvfilmproduction.com
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cryptohealthplan.com
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pandabearsoftware.com
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mininoheya.com
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chimichael.com
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rescueandrestoreministries.net
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alookbehindtheseams.com
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unimedplanos.net
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bobazzing.com
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cabidat.xyz
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playgroundcrew.website
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tsoharformation.com
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ninjadigital.agency
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inkedbreadcompany.com
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kirieducationschool.com
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genitalestetikbodrum.com
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agronotion.com
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bentonvillesquareartist.com
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harekrishnajapayagna.com
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fflashes.net
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stogelair.com
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stkittsaquaculture.com
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peiyaousa.com
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publicschools.fail
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bankhelpassist.xyz
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ip-sat.com
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redeyeops.com
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kavirab.com
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thefurniturepractice-btr.com
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bbyyn10.xyz
Signatures
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
resource yara_rule behavioral2/memory/4496-135-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/4496-138-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/4700-144-0x00000000006C0000-0x00000000006E9000-memory.dmp xloader - Executes dropped EXE 2 IoCs
pid Process 5048 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5048 set thread context of 4496 5048 hxhdqqfpgi.exe 82 PID 4496 set thread context of 8 4496 hxhdqqfpgi.exe 79 PID 4700 set thread context of 8 4700 chkdsk.exe 79 - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 56 IoCs
pid Process 4496 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe 4700 chkdsk.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 8 Explorer.EXE - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 4496 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe 4496 hxhdqqfpgi.exe 4700 chkdsk.exe 4700 chkdsk.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4496 hxhdqqfpgi.exe Token: SeDebugPrivilege 4700 chkdsk.exe Token: SeShutdownPrivilege 4692 svchost.exe Token: SeCreatePagefilePrivilege 4692 svchost.exe Token: SeShutdownPrivilege 4692 svchost.exe Token: SeCreatePagefilePrivilege 4692 svchost.exe Token: SeShutdownPrivilege 4692 svchost.exe Token: SeCreatePagefilePrivilege 4692 svchost.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2624 wrote to memory of 5048 2624 triage_dropped_file.exe 81 PID 2624 wrote to memory of 5048 2624 triage_dropped_file.exe 81 PID 2624 wrote to memory of 5048 2624 triage_dropped_file.exe 81 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 5048 wrote to memory of 4496 5048 hxhdqqfpgi.exe 82 PID 8 wrote to memory of 4700 8 Explorer.EXE 83 PID 8 wrote to memory of 4700 8 Explorer.EXE 83 PID 8 wrote to memory of 4700 8 Explorer.EXE 83 PID 4700 wrote to memory of 4020 4700 chkdsk.exe 86 PID 4700 wrote to memory of 4020 4700 chkdsk.exe 86 PID 4700 wrote to memory of 4020 4700 chkdsk.exe 86
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\hxhdqqfpgi.exeC:\Users\Admin\AppData\Local\Temp\hxhdqqfpgi.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Users\Admin\AppData\Local\Temp\hxhdqqfpgi.exeC:\Users\Admin\AppData\Local\Temp\hxhdqqfpgi.exe4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4496
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-
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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:4700 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\hxhdqqfpgi.exe"3⤵PID:4020
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1256