Analysis
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max time kernel
151s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16/06/2022, 09:49
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/1500-59-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/1500-60-0x000000000041F2C0-mapping.dmp xloader behavioral1/memory/1500-62-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/1980-69-0x00000000000C0000-0x00000000000EB000-memory.dmp xloader behavioral1/memory/1980-73-0x00000000000C0000-0x00000000000EB000-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 wininit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MRZPSJ78QZ = "C:\\Program Files (x86)\\V1b0x\\certmgrk6qliv8.exe" wininit.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 284 set thread context of 1500 284 SR20220600525003,pdf.exe 28 PID 1500 set thread context of 1300 1500 cvtres.exe 11 PID 1980 set thread context of 1300 1980 wininit.exe 11 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\V1b0x\certmgrk6qliv8.exe wininit.exe -
description ioc Process Key created \Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 wininit.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 284 SR20220600525003,pdf.exe 1500 cvtres.exe 1500 cvtres.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 1500 cvtres.exe 1500 cvtres.exe 1500 cvtres.exe 1980 wininit.exe 1980 wininit.exe 1980 wininit.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 284 SR20220600525003,pdf.exe Token: SeDebugPrivilege 1500 cvtres.exe Token: SeDebugPrivilege 1980 wininit.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1300 Explorer.EXE 1300 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1300 Explorer.EXE 1300 Explorer.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 284 wrote to memory of 2012 284 SR20220600525003,pdf.exe 27 PID 284 wrote to memory of 2012 284 SR20220600525003,pdf.exe 27 PID 284 wrote to memory of 2012 284 SR20220600525003,pdf.exe 27 PID 284 wrote to memory of 2012 284 SR20220600525003,pdf.exe 27 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 284 wrote to memory of 1500 284 SR20220600525003,pdf.exe 28 PID 1300 wrote to memory of 1980 1300 Explorer.EXE 29 PID 1300 wrote to memory of 1980 1300 Explorer.EXE 29 PID 1300 wrote to memory of 1980 1300 Explorer.EXE 29 PID 1300 wrote to memory of 1980 1300 Explorer.EXE 29 PID 1980 wrote to memory of 1956 1980 wininit.exe 30 PID 1980 wrote to memory of 1956 1980 wininit.exe 30 PID 1980 wrote to memory of 1956 1980 wininit.exe 30 PID 1980 wrote to memory of 1956 1980 wininit.exe 30 PID 1980 wrote to memory of 576 1980 wininit.exe 33 PID 1980 wrote to memory of 576 1980 wininit.exe 33 PID 1980 wrote to memory of 576 1980 wininit.exe 33 PID 1980 wrote to memory of 576 1980 wininit.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:1300 -
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:284 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:2012
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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:1500
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C:\Windows\SysWOW64\wininit.exe"C:\Windows\SysWOW64\wininit.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:1980 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:1956
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:576
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