Analysis
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max time kernel
147s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16/06/2022, 09:43
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 4 IoCs
resource yara_rule behavioral1/memory/1328-60-0x000000000041F2C0-mapping.dmp xloader behavioral1/memory/1328-59-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/1328-66-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral1/memory/2032-70-0x0000000000080000-0x00000000000AB000-memory.dmp xloader -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XZKDV0Q8WR = "C:\\Program Files (x86)\\Mkv1hb\\update1b7p.exe" svchost.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 824 set thread context of 1328 824 SR20220600525003,pdf.exe 27 PID 1328 set thread context of 1356 1328 cvtres.exe 15 PID 2032 set thread context of 1356 2032 svchost.exe 15 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Mkv1hb\update1b7p.exe svchost.exe -
description ioc Process Key created \Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 svchost.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1328 cvtres.exe 1328 cvtres.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 1328 cvtres.exe 1328 cvtres.exe 1328 cvtres.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe 2032 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1328 cvtres.exe Token: SeDebugPrivilege 2032 svchost.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1356 Explorer.EXE 1356 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1356 Explorer.EXE 1356 Explorer.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 824 wrote to memory of 1328 824 SR20220600525003,pdf.exe 27 PID 1356 wrote to memory of 2032 1356 Explorer.EXE 28 PID 1356 wrote to memory of 2032 1356 Explorer.EXE 28 PID 1356 wrote to memory of 2032 1356 Explorer.EXE 28 PID 1356 wrote to memory of 2032 1356 Explorer.EXE 28 PID 2032 wrote to memory of 1168 2032 svchost.exe 29 PID 2032 wrote to memory of 1168 2032 svchost.exe 29 PID 2032 wrote to memory of 1168 2032 svchost.exe 29 PID 2032 wrote to memory of 1168 2032 svchost.exe 29 PID 2032 wrote to memory of 1612 2032 svchost.exe 32 PID 2032 wrote to memory of 1612 2032 svchost.exe 32 PID 2032 wrote to memory of 1612 2032 svchost.exe 32 PID 2032 wrote to memory of 1612 2032 svchost.exe 32 PID 2032 wrote to memory of 1612 2032 svchost.exe 32
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:1356 -
C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:824 -
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:1328
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Adds policy 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:2032 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:1168
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1612
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