Analysis
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max time kernel
151s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16/06/2022, 09:47
Static task
static1
Behavioral task
behavioral1
Sample
SR20220600525003,pdf.exe
Resource
win7-20220414-en
General
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Target
SR20220600525003,pdf.exe
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Size
236KB
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MD5
9bb6e1be7a871997359c19c8559cabf3
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SHA1
a3aff540f8c1af33ea7a215e303bdbe0a131c7c6
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SHA256
00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421
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SHA512
ef65c69b16f636ba4ea8c48a51778643a6a4b437d36d481ba31e723b7c1d8645983ca83a91fdfca805a715300f1d42374ccf1c72fec93552a39a5dc408e0d23a
Malware Config
Extracted
xloader
2.6
tn61
ryliehorrall.art
mesdco.net
street-art-ink.com
sepetcin.com
stilghar.com
hawaiipooltiles.com
fuerst-von-falkennest.com
totalvirtue.com
xdk0blc0tqy6a7.life
zootowngravel.com
kreditkarten-optionde.com
6888tlbb.xyz
albertakleekai.com
travelnurseinfofinder3.life
valleyinnswat.com
secure-remove-devices.com
digitalswamy.com
www112casinova.com
medifasttrd.com
distritoxermar.com
ebwagner.com
biworker.com
0571kt.net
mjuelaw.com
buildlimitlesswealth.com
wbclips.com
session.care
museatthemill.com
pjhxsl.com
momentums6.com
electricbike.energy
accommodations.network
libroskolibris.com
sejintech.net
parkchestergardens.info
gndgame.info
arcwarp.com
aboveallonline.com
dinotacker.com
ufc188livestreamfree.com
saulomar.com
atmworldexpo.com
chooox.com
admissium.com
dacdem.com
oneruk-chandeliercleaning.com
oyster-iot.cloud
mutinybrewworks.com
yaoih.com
dmitchellpropertiesllc.com
nuoicaymosaigon.com
peacockgotv.com
nextr.xyz
bidvastil.com
shahanhan.com
goodlordy.net
banlyeojob.com
tasteatlus.com
ecotone-os.xyz
urbanartco.com
drecibo.com
davegwatkin.com
pharmiva.net
accordingtopreston.com
blizzardboy.net
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Xloader Payload 5 IoCs
resource yara_rule behavioral1/memory/984-60-0x000000000041F2C0-mapping.dmp xloader behavioral1/memory/984-59-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/984-62-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/1396-69-0x0000000000080000-0x00000000000AB000-memory.dmp xloader behavioral1/memory/1396-74-0x0000000000080000-0x00000000000AB000-memory.dmp xloader -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run msdt.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\KRHXNHWH5L = "C:\\Program Files (x86)\\Yobcdu\\mfccd2.exe" msdt.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1972 set thread context of 984 1972 SR20220600525003,pdf.exe 28 PID 984 set thread context of 1364 984 cvtres.exe 15 PID 1396 set thread context of 1364 1396 msdt.exe 15 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Yobcdu\mfccd2.exe msdt.exe -
description ioc Process Key created \Registry\User\S-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 msdt.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1972 SR20220600525003,pdf.exe 984 cvtres.exe 984 cvtres.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 984 cvtres.exe 984 cvtres.exe 984 cvtres.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe 1396 msdt.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1972 SR20220600525003,pdf.exe Token: SeDebugPrivilege 984 cvtres.exe Token: SeDebugPrivilege 1396 msdt.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1364 Explorer.EXE 1364 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1364 Explorer.EXE 1364 Explorer.EXE -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1516 1972 SR20220600525003,pdf.exe 27 PID 1972 wrote to memory of 1516 1972 SR20220600525003,pdf.exe 27 PID 1972 wrote to memory of 1516 1972 SR20220600525003,pdf.exe 27 PID 1972 wrote to memory of 1516 1972 SR20220600525003,pdf.exe 27 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1972 wrote to memory of 984 1972 SR20220600525003,pdf.exe 28 PID 1364 wrote to memory of 1396 1364 Explorer.EXE 29 PID 1364 wrote to memory of 1396 1364 Explorer.EXE 29 PID 1364 wrote to memory of 1396 1364 Explorer.EXE 29 PID 1364 wrote to memory of 1396 1364 Explorer.EXE 29 PID 1396 wrote to memory of 1284 1396 msdt.exe 30 PID 1396 wrote to memory of 1284 1396 msdt.exe 30 PID 1396 wrote to memory of 1284 1396 msdt.exe 30 PID 1396 wrote to memory of 1284 1396 msdt.exe 30 PID 1396 wrote to memory of 1204 1396 msdt.exe 33 PID 1396 wrote to memory of 1204 1396 msdt.exe 33 PID 1396 wrote to memory of 1204 1396 msdt.exe 33 PID 1396 wrote to memory of 1204 1396 msdt.exe 33 PID 1396 wrote to memory of 1204 1396 msdt.exe 33
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:1364 -
C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:1516
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:984
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C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:1284
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1204
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