Analysis
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max time kernel
150s -
max time network
176s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
10-09-2021 17:42
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.exe
Resource
win7v20210408
General
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Target
triage_dropped_file.exe
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Size
514KB
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MD5
d1eee2a323fecd8a01d5f6adf16a4649
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SHA1
7a2e157e233c35cee54427e9b85cc4548b1b956a
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SHA256
6d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
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SHA512
e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
Malware Config
Extracted
formbook
4.1
m8g0
http://www.corbvalperu.com/m8g0/
exclusivecan.com
junzhesuji.com
acces-credit-mutuel.com
iknitvintage.com
solonmodelun.com
debekia.com
peanutskitchen.com
kamanantzin.com
personalmodeststyle.com
qo49.com
googman.site
maisonshahnaz.com
annaalexandrovich.com
californiacashcars.com
ncafashionboutique.com
nsu0.com
cloudfirstlender.com
allforchildren.net
vn80000.com
restroon.com
rpm555.com
yasminaaa.com
e-shopee.com
flasnlute.online
fact-about.com
laurielobdell.com
bokzer.com
digitalmarketex.com
gemmakamps.com
cbdely.com
originem.cat
sherifalleghenycounty.com
mymenageire.com
jtzaatbya.icu
akuluarabavar.com
thepartygod.com
rpf.xyz
adejareadebimpefoundation.com
meingutschein.gratis
bahisbeta131.com
xn--proteindnyam-klb.com
marketauto.uk
xn--mgbai9a7dqf7be.com
milk-espresso-bar.com
lincolnsquareseniorliving.com
tranvachthachcao2020.com
sreezna.com
sudaniamericancollective.com
iresistable.com
healthyhabitsdiary.com
tianenconsulting.com
glassicsrentals.com
maviba.net
wheelersmill.info
schnellptc.com
touch2give.com
dadandan-blog.com
sheltaco.com
ramonnunezm.com
franchisesquareliquidations.com
hotelesmotril.com
tuxedojunctionbook.com
thedognanniesct.com
mettelonhart.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/556-66-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral1/memory/556-67-0x000000000041EB70-mapping.dmp formbook behavioral1/memory/1552-73-0x0000000000080000-0x00000000000AE000-memory.dmp formbook -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 304 cmd.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
triage_dropped_file.exetriage_dropped_file.execmd.exedescription pid process target process PID 1828 set thread context of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 556 set thread context of 1204 556 triage_dropped_file.exe Explorer.EXE PID 1552 set thread context of 1204 1552 cmd.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
triage_dropped_file.execmd.exepid process 556 triage_dropped_file.exe 556 triage_dropped_file.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe 1552 cmd.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
triage_dropped_file.execmd.exepid process 556 triage_dropped_file.exe 556 triage_dropped_file.exe 556 triage_dropped_file.exe 1552 cmd.exe 1552 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
triage_dropped_file.execmd.exedescription pid process Token: SeDebugPrivilege 556 triage_dropped_file.exe Token: SeDebugPrivilege 1552 cmd.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
Explorer.EXEpid process 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
Explorer.EXEpid process 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
triage_dropped_file.exeExplorer.EXEcmd.exedescription pid process target process PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1828 wrote to memory of 556 1828 triage_dropped_file.exe triage_dropped_file.exe PID 1204 wrote to memory of 1552 1204 Explorer.EXE cmd.exe PID 1204 wrote to memory of 1552 1204 Explorer.EXE cmd.exe PID 1204 wrote to memory of 1552 1204 Explorer.EXE cmd.exe PID 1204 wrote to memory of 1552 1204 Explorer.EXE cmd.exe PID 1552 wrote to memory of 304 1552 cmd.exe cmd.exe PID 1552 wrote to memory of 304 1552 cmd.exe cmd.exe PID 1552 wrote to memory of 304 1552 cmd.exe cmd.exe PID 1552 wrote to memory of 304 1552 cmd.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/304-75-0x0000000000000000-mapping.dmp
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memory/556-69-0x0000000000110000-0x0000000000124000-memory.dmpFilesize
80KB
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memory/556-68-0x0000000000C50000-0x0000000000F53000-memory.dmpFilesize
3.0MB
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memory/556-66-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/556-67-0x000000000041EB70-mapping.dmp
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memory/1204-77-0x0000000003F60000-0x0000000004028000-memory.dmpFilesize
800KB
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memory/1204-70-0x0000000006460000-0x00000000065CD000-memory.dmpFilesize
1.4MB
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memory/1552-72-0x000000004A3E0000-0x000000004A42C000-memory.dmpFilesize
304KB
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memory/1552-71-0x0000000000000000-mapping.dmp
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memory/1552-73-0x0000000000080000-0x00000000000AE000-memory.dmpFilesize
184KB
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memory/1552-74-0x0000000002090000-0x0000000002393000-memory.dmpFilesize
3.0MB
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memory/1552-76-0x00000000023A0000-0x0000000002433000-memory.dmpFilesize
588KB
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memory/1828-65-0x0000000000B20000-0x0000000000B4F000-memory.dmpFilesize
188KB
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memory/1828-64-0x0000000005B50000-0x0000000005BB5000-memory.dmpFilesize
404KB
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memory/1828-60-0x0000000000BC0000-0x0000000000BC1000-memory.dmpFilesize
4KB
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memory/1828-63-0x0000000000330000-0x0000000000337000-memory.dmpFilesize
28KB
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memory/1828-62-0x0000000004A10000-0x0000000004A11000-memory.dmpFilesize
4KB