Analysis
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max time kernel
186s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2022 13:07
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20221111-en
General
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Target
tmp.exe
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Size
2.1MB
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MD5
dc86d8c67a66d23d6cba86036dacd475
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SHA1
3c803edc8f87f3c69c460ccf1255ed8c9c1651f6
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SHA256
a8d97304d740bb44b27e40303d72326a34d30973e801161f4bf026fff552c1a8
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SHA512
941b380f3c393ebb776b0d181b290550b528534f50b6bb55ada418f3639d8ccd07587303a7b680937c0b641e838cc2f98265d93f56d7bbcd9419e7a2512a69f3
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SSDEEP
24576:MuOolI+AqJiMqbPf8/cEnn8jrO+jfn2QaRgRBmjb+Ba56r19EvAI3eQFZ:x3Aq0U/cbjjL2Q+gRBKyq6r19mAI3RF
Malware Config
Extracted
formbook
4.1
do25
nickifarina.site
nfptrwge.bar
nobreemporio.com
split-acres.com
sharingservice-act.com
nakedinktees.shop
zhensheng1988.com
ipiton.com
liftoffdigitalmarketing.com
karen.cool
theprotestantchurch.com
shirhadarr.com
azdtwp.com
comzestdent.com
jnsjh.com
in-heat-cool.com
dfefej.top
tumingchun.com
eisei-shouji.tokyo
sparecreeping.com
savitleather.com
dfd33.com
bolognabene.net
googlesepaisekaisekamaye.com
f219te8i5y.xyz
protocolozeropedras.online
xn--obsuga-5db.tech
delightzeffl.cloud
frenchiescoin.com
holoslifestyles.com
busonthego.com
istanblyzx.online
lexasm.com
gour.top
smallbizratetracker.com
putconcept.website
ashleighcaroe.com
fredrickamzwaro.click
tracy41myers.online
gensource.net
leggings.design
circleofinfluence1.com
shiningdot.online
muhunglong.com
jaxon-lane.com
jzlc1788.com
personalscore.net
greenpackfeedback.tech
baoshuiniao.com
hotelocioclub.com
goodtobehomeamerica.com
tlshine.com
cncndinosaurs.xyz
escalateph.com
climatehub.tech
sxtfjx.xyz
slotxoth456.com
mascotemais.shop
karnakai.net
ewqjai.xyz
currencyrates.wiki
ceruleankeep.com
okx-veri.xyz
kumamotometallic.com
pornblogsspider.com
Signatures
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Formbook payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3756-145-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3756-151-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4864-153-0x0000000000850000-0x000000000087F000-memory.dmp formbook behavioral2/memory/4864-165-0x0000000000850000-0x000000000087F000-memory.dmp formbook -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation tmp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
tmp.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gedata = "\"C:\\Users\\Admin\\AppData\\Roaming\\gedata.exe\"" tmp.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
tmp.exetmp.exerundll32.exedescription pid process target process PID 1552 set thread context of 3756 1552 tmp.exe tmp.exe PID 3756 set thread context of 1108 3756 tmp.exe Explorer.EXE PID 4864 set thread context of 1108 4864 rundll32.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 24 IoCs
Processes:
powershell.exetmp.exerundll32.exepid process 732 powershell.exe 732 powershell.exe 3756 tmp.exe 3756 tmp.exe 3756 tmp.exe 3756 tmp.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe 4864 rundll32.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
tmp.exerundll32.exepid process 3756 tmp.exe 3756 tmp.exe 3756 tmp.exe 4864 rundll32.exe 4864 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
tmp.exepowershell.exetmp.exerundll32.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1552 tmp.exe Token: SeDebugPrivilege 732 powershell.exe Token: SeDebugPrivilege 3756 tmp.exe Token: SeDebugPrivilege 4864 rundll32.exe Token: SeShutdownPrivilege 1108 Explorer.EXE Token: SeCreatePagefilePrivilege 1108 Explorer.EXE Token: SeShutdownPrivilege 1108 Explorer.EXE Token: SeCreatePagefilePrivilege 1108 Explorer.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
tmp.exeExplorer.EXErundll32.exedescription pid process target process PID 1552 wrote to memory of 732 1552 tmp.exe powershell.exe PID 1552 wrote to memory of 732 1552 tmp.exe powershell.exe PID 1552 wrote to memory of 732 1552 tmp.exe powershell.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1552 wrote to memory of 3756 1552 tmp.exe tmp.exe PID 1108 wrote to memory of 4864 1108 Explorer.EXE rundll32.exe PID 1108 wrote to memory of 4864 1108 Explorer.EXE rundll32.exe PID 1108 wrote to memory of 4864 1108 Explorer.EXE rundll32.exe PID 4864 wrote to memory of 4132 4864 rundll32.exe cmd.exe PID 4864 wrote to memory of 4132 4864 rundll32.exe cmd.exe PID 4864 wrote to memory of 4132 4864 rundll32.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:732 -
C:\Users\Admin\AppData\Local\Temp\tmp.exeC:\Users\Admin\AppData\Local\Temp\tmp.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3756 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"3⤵PID:4132
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/732-140-0x0000000005300000-0x0000000005366000-memory.dmpFilesize
408KB
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memory/732-143-0x0000000006640000-0x000000000665A000-memory.dmpFilesize
104KB
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memory/732-142-0x00000000077A0000-0x0000000007E1A000-memory.dmpFilesize
6.5MB
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memory/732-141-0x0000000006130000-0x000000000614E000-memory.dmpFilesize
120KB
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memory/732-136-0x0000000000000000-mapping.dmp
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memory/732-137-0x0000000002B00000-0x0000000002B36000-memory.dmpFilesize
216KB
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memory/732-138-0x00000000053E0000-0x0000000005A08000-memory.dmpFilesize
6.2MB
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memory/732-139-0x0000000005190000-0x00000000051F6000-memory.dmpFilesize
408KB
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memory/1108-160-0x0000000002FA0000-0x0000000002FB0000-memory.dmpFilesize
64KB
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memory/1108-156-0x0000000002FA0000-0x0000000002FB0000-memory.dmpFilesize
64KB
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memory/1108-169-0x00000000084B0000-0x00000000085A9000-memory.dmpFilesize
996KB
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memory/1108-168-0x0000000003100000-0x0000000003110000-memory.dmpFilesize
64KB
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memory/1108-167-0x0000000003100000-0x0000000003110000-memory.dmpFilesize
64KB
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memory/1108-166-0x00000000030F0000-0x0000000003100000-memory.dmpFilesize
64KB
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memory/1108-164-0x00000000084B0000-0x00000000085A9000-memory.dmpFilesize
996KB
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memory/1108-162-0x0000000003100000-0x0000000003110000-memory.dmpFilesize
64KB
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memory/1108-149-0x0000000008810000-0x0000000008938000-memory.dmpFilesize
1.2MB
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memory/1108-161-0x0000000003100000-0x0000000003110000-memory.dmpFilesize
64KB
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memory/1108-159-0x0000000002FA0000-0x0000000002FB0000-memory.dmpFilesize
64KB
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memory/1108-158-0x0000000002FA0000-0x0000000002FB0000-memory.dmpFilesize
64KB
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memory/1108-157-0x00000000030F0000-0x0000000003100000-memory.dmpFilesize
64KB
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memory/1552-132-0x0000000000B90000-0x0000000000DAA000-memory.dmpFilesize
2.1MB
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memory/1552-134-0x0000000005FE0000-0x0000000006584000-memory.dmpFilesize
5.6MB
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memory/1552-135-0x0000000005A60000-0x0000000005A82000-memory.dmpFilesize
136KB
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memory/1552-133-0x0000000005990000-0x0000000005A22000-memory.dmpFilesize
584KB
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memory/3756-145-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/3756-151-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/3756-148-0x00000000010C0000-0x00000000010D4000-memory.dmpFilesize
80KB
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memory/3756-147-0x00000000011F0000-0x000000000153A000-memory.dmpFilesize
3.3MB
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memory/3756-144-0x0000000000000000-mapping.dmp
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memory/4132-154-0x0000000000000000-mapping.dmp
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memory/4864-152-0x0000000000FC0000-0x0000000000FD4000-memory.dmpFilesize
80KB
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memory/4864-150-0x0000000000000000-mapping.dmp
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memory/4864-163-0x0000000002B50000-0x0000000002BE3000-memory.dmpFilesize
588KB
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memory/4864-165-0x0000000000850000-0x000000000087F000-memory.dmpFilesize
188KB
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memory/4864-153-0x0000000000850000-0x000000000087F000-memory.dmpFilesize
188KB
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memory/4864-155-0x0000000002760000-0x0000000002AAA000-memory.dmpFilesize
3.3MB