Analysis
- max time kernel
167s - max time network
177s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
15/02/2022, 21:07
Static task
static1
Behavioral task
behavioral1
Sample
3247f8db646f5e524df32ea6a29e33d9.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target 3247f8db646f5e524df32ea6a29e33d9.exe
- Size 801KB
- Sample220215-zyandsaca9
- SHA256 921628eeb649a7c9f45ccb4b95ccecba8a76e273a88bdf8478c7e63cef2fb10a
- MD5 3247f8db646f5e524df32ea6a29e33d9
- SHA1 2dd2157329e16150e476e058224f77bf0c2d1abc
- SHA512 c3a458a5d4500ddb609c4b475485050cb4e7bc89704976f460c60222c56b2b0ead7ea00f3ca689a8cba8089b6b7650d680759d3db911011a6ecfdc89210b4916
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
formbook
Version
-
4.1
Campaign
-
vy44
Decoy
-
csdvehgry45y.com
-
letstayhome.com
-
davidfrechen.com
-
atticusandjules.com
-
meandbond.com
-
paar-fotoshooting.com
-
twboosterhq.com
-
shivamehandiarts.com
-
typhoonlogistics.net
-
vintagevowswedding.com
-
brittanymays.com
-
dreamylineart.com
-
vimspaces.com
-
thakurmosai.com
-
88-wealth.com
-
betsycousins.com
-
nationalcsno.online
-
mobileblockchainsolution.com
-
flymetothemundo.com
-
shopsuplementos.site
-
soflojo.com
-
diy-quest.com
-
stixxgaming.com
-
rdbem.online
-
sellyourhousefastcfl.com
-
briggsev.com
-
brushycreekstudios.com
-
balistrericlearance.com
-
petrichorpus.com
-
licencepay.com
-
mouthfodder.com
-
sessionflux.xyz
-
smilesonrisas.com
-
jareware.com
-
arcoirisdulceria.com
-
sydxyxj.com
-
1o4yb6.com
-
51335o.com
-
theastralmuse.com
-
artisticgallery.net
-
cameleonproduction.com
-
iauui.com
-
dathomirlaboratories.com
-
aspanishsense.com
-
pxbpju.site
-
poxmad.online
-
competitiverangesolutions.com
-
gxklla.com
-
brick-shack.com
-
ytoy88.com
-
alrwfb.icu
-
robertfresses.com
-
plc-kyoto.com
-
shreyatadas.com
-
thetimess.com
-
eznftrade.com
-
fortiar.icu
-
snmtco.store
-
productshere.site
-
cqqsgsp.com
-
appsewalesxrecspt.com
-
hgaconsultores.net
-
tgtvi.com
-
asesorialaboralms.com
-
dronemaneuversystems.com
Signatures
- Formbook Payload 3 IoCs
resource yara_rule behavioral2/memory/3852-140-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3852-142-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/1720-148-0x0000000000EA0000-0x0000000000ECF000-memory.dmp formbook - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4052 set thread context of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 3852 set thread context of 1552 3852 vbc.exe 47 PID 1720 set thread context of 1552 1720 explorer.exe 47 - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe - Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 3852 vbc.exe 3852 vbc.exe 3852 vbc.exe 3852 vbc.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1552 Explorer.EXE - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3852 vbc.exe 3852 vbc.exe 3852 vbc.exe 1720 explorer.exe 1720 explorer.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4984 svchost.exe Token: SeCreatePagefilePrivilege 4984 svchost.exe Token: SeShutdownPrivilege 4984 svchost.exe Token: SeCreatePagefilePrivilege 4984 svchost.exe Token: SeShutdownPrivilege 4984 svchost.exe Token: SeCreatePagefilePrivilege 4984 svchost.exe Token: SeDebugPrivilege 3852 vbc.exe Token: SeDebugPrivilege 1720 explorer.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe Token: SeSecurityPrivilege 1636 TiWorker.exe Token: SeBackupPrivilege 1636 TiWorker.exe Token: SeRestorePrivilege 1636 TiWorker.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 4052 wrote to memory of 3852 4052 3247f8db646f5e524df32ea6a29e33d9.exe 93 PID 1552 wrote to memory of 1720 1552 Explorer.EXE 94 PID 1552 wrote to memory of 1720 1552 Explorer.EXE 94 PID 1552 wrote to memory of 1720 1552 Explorer.EXE 94 PID 1720 wrote to memory of 4044 1720 explorer.exe 97 PID 1720 wrote to memory of 4044 1720 explorer.exe 97 PID 1720 wrote to memory of 4044 1720 explorer.exe 97
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\3247f8db646f5e524df32ea6a29e33d9.exe"C:\Users\Admin\AppData\Local\Temp\3247f8db646f5e524df32ea6a29e33d9.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3852
-
-
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵PID:4044
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4984
-
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:1636